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 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Algorithm testing framework and tests.
  *
  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
  * Copyright (c) 2007 Nokia Siemens Networks
  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
  * Copyright (c) 2019 Google LLC
  *
  * Updated RFC4106 AES-GCM testing.
  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
  *             Adrian Hoban <adrian.hoban@intel.com>
  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
  *             Tadeusz Struk (tadeusz.struk@intel.com)
  *    Copyright (c) 2010, Intel Corporation.
  */
 
 #include <crypto/aead.h>
 #include <crypto/hash.h>
 #include <crypto/skcipher.h>
 #include <linux/err.h>
 #include <linux/fips.h>
 #include <linux/module.h>
 #include <linux/once.h>
 #include <linux/random.h>
 #include <linux/scatterlist.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/uio.h>
 #include <crypto/rng.h>
 #include <crypto/drbg.h>
 #include <crypto/akcipher.h>
 #include <crypto/kpp.h>
 #include <crypto/acompress.h>
 #include <crypto/internal/cipher.h>
 #include <crypto/internal/simd.h>
 
 #include "internal.h"
 
 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
 
 static bool notests;
 module_param(notests, bool, 0644);
 MODULE_PARM_DESC(notests, "disable crypto self-tests");
 
 static bool panic_on_fail;
 module_param(panic_on_fail, bool, 0444);
 
 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 static bool noextratests;
 module_param(noextratests, bool, 0644);
 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
 
 static unsigned int fuzz_iterations = 100;
 module_param(fuzz_iterations, uint, 0644);
 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
 #endif
 
 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
 
 /* a perfect nop */
 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
 {
     return 0;
 }
 
 #else
 
 #include "testmgr.h"
 
 /*
  * Need slab memory for testing (size in number of pages).
  */
 #define XBUFSIZE    8
 
 /*
 * Used by test_cipher()
 */
 #define ENCRYPT 1
 #define DECRYPT 0
 
 struct aead_test_suite {
     const struct aead_testvec *vecs;
     unsigned int count;
 
     /*
      * Set if trying to decrypt an inauthentic ciphertext with this
      * algorithm might result in EINVAL rather than EBADMSG, due to other
      * validation the algorithm does on the inputs such as length checks.
      */
     unsigned int einval_allowed : 1;
 
     /*
      * Set if this algorithm requires that the IV be located at the end of
      * the AAD buffer, in addition to being given in the normal way.  The
      * behavior when the two IV copies differ is implementation-defined.
      */
     unsigned int aad_iv : 1;
 };
 
 struct cipher_test_suite {
     const struct cipher_testvec *vecs;
     unsigned int count;
 };
 
 struct comp_test_suite {
     struct {
         const struct comp_testvec *vecs;
         unsigned int count;
     } comp, decomp;
 };
 
 struct hash_test_suite {
     const struct hash_testvec *vecs;
     unsigned int count;
 };
 
 struct cprng_test_suite {
     const struct cprng_testvec *vecs;
     unsigned int count;
 };
 
 struct drbg_test_suite {
     const struct drbg_testvec *vecs;
     unsigned int count;
 };
 
 struct akcipher_test_suite {
     const struct akcipher_testvec *vecs;
     unsigned int count;
 };
 
 struct kpp_test_suite {
     const struct kpp_testvec *vecs;
     unsigned int count;
 };
 
 struct alg_test_desc {
     const char *alg;
     const char *generic_driver;
     int (*test)(const struct alg_test_desc *desc, const char *driver,
             u32 type, u32 mask);
     int fips_allowed;   /* set if alg is allowed in fips mode */
 
     union {
         struct aead_test_suite aead;
         struct cipher_test_suite cipher;
         struct comp_test_suite comp;
         struct hash_test_suite hash;
         struct cprng_test_suite cprng;
         struct drbg_test_suite drbg;
         struct akcipher_test_suite akcipher;
         struct kpp_test_suite kpp;
     } suite;
 };
 
 static void hexdump(unsigned char *buf, unsigned int len)
 {
     print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
             16, 1,
             buf, len, false);
 }
 
 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
 {
     int i;
 
     for (i = 0; i < XBUFSIZE; i++) {
         buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
         if (!buf[i])
             goto err_free_buf;
     }
 
     return 0;
 
 err_free_buf:
     while (i-- > 0)
         free_pages((unsigned long)buf[i], order);
 
     return -ENOMEM;
 }
 
 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
 {
     return __testmgr_alloc_buf(buf, 0);
 }
 
 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
 {
     int i;
 
     for (i = 0; i < XBUFSIZE; i++)
         free_pages((unsigned long)buf[i], order);
 }
 
 static void testmgr_free_buf(char *buf[XBUFSIZE])
 {
     __testmgr_free_buf(buf, 0);
 }
 
 #define TESTMGR_POISON_BYTE 0xfe
 #define TESTMGR_POISON_LEN  16
 
 static inline void testmgr_poison(void *addr, size_t len)
 {
     memset(addr, TESTMGR_POISON_BYTE, len);
 }
 
 /* Is the memory region still fully poisoned? */
 static inline bool testmgr_is_poison(const void *addr, size_t len)
 {
     return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
 }
 
 /* flush type for hash algorithms */
 enum flush_type {
     /* merge with update of previous buffer(s) */
     FLUSH_TYPE_NONE = 0,
 
     /* update with previous buffer(s) before doing this one */
     FLUSH_TYPE_FLUSH,
 
     /* likewise, but also export and re-import the intermediate state */
     FLUSH_TYPE_REIMPORT,
 };
 
 /* finalization function for hash algorithms */
 enum finalization_type {
     FINALIZATION_TYPE_FINAL,    /* use final() */
     FINALIZATION_TYPE_FINUP,    /* use finup() */
     FINALIZATION_TYPE_DIGEST,   /* use digest() */
 };
 
 /*
  * Whether the crypto operation will occur in-place, and if so whether the
  * source and destination scatterlist pointers will coincide (req->src ==
  * req->dst), or whether they'll merely point to two separate scatterlists
  * (req->src != req->dst) that reference the same underlying memory.
  *
  * This is only relevant for algorithm types that support in-place operation.
  */
 enum inplace_mode {
     OUT_OF_PLACE,
     INPLACE_ONE_SGLIST,
     INPLACE_TWO_SGLISTS,
 };
 
 #define TEST_SG_TOTAL   10000
 
 /**
  * struct test_sg_division - description of a scatterlist entry
  *
  * This struct describes one entry of a scatterlist being constructed to check a
  * crypto test vector.
  *
  * @proportion_of_total: length of this chunk relative to the total length,
  *           given as a proportion out of TEST_SG_TOTAL so that it
  *           scales to fit any test vector
  * @offset: byte offset into a 2-page buffer at which this chunk will start
  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
  *                @offset
  * @flush_type: for hashes, whether an update() should be done now vs.
  *      continuing to accumulate data
  * @nosimd: if doing the pending update(), do it with SIMD disabled?
  */
 struct test_sg_division {
     unsigned int proportion_of_total;
     unsigned int offset;
     bool offset_relative_to_alignmask;
     enum flush_type flush_type;
     bool nosimd;
 };
 
 /**
  * struct testvec_config - configuration for testing a crypto test vector
  *
  * This struct describes the data layout and other parameters with which each
  * crypto test vector can be tested.
  *
  * @name: name of this config, logged for debugging purposes if a test fails
  * @inplace_mode: whether and how to operate on the data in-place, if applicable
  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
  * @src_divs: description of how to arrange the source scatterlist
  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
  *        for the algorithm type.  Defaults to @src_divs if unset.
  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
  *         where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
  *                   the @iv_offset
  * @key_offset: misalignment of the key, where 0 is default alignment
  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
  *                    the @key_offset
  * @finalization_type: what finalization function to use for hashes
  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
  */
 struct testvec_config {
     const char *name;
     enum inplace_mode inplace_mode;
     u32 req_flags;
     struct test_sg_division src_divs[XBUFSIZE];
     struct test_sg_division dst_divs[XBUFSIZE];
     unsigned int iv_offset;
     unsigned int key_offset;
     bool iv_offset_relative_to_alignmask;
     bool key_offset_relative_to_alignmask;
     enum finalization_type finalization_type;
     bool nosimd;
 };
 
 #define TESTVEC_CONFIG_NAMELEN  192
 
 /*
  * The following are the lists of testvec_configs to test for each algorithm
  * type when the basic crypto self-tests are enabled, i.e. when
  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
  * coverage, while keeping the test time much shorter than the full fuzz tests
  * so that the basic tests can be enabled in a wider range of circumstances.
  */
 
 /* Configs for skciphers and aeads */
 static const struct testvec_config default_cipher_testvec_configs[] = {
     {
         .name = "in-place (one sglist)",
         .inplace_mode = INPLACE_ONE_SGLIST,
         .src_divs = { { .proportion_of_total = 10000 } },
     }, {
         .name = "in-place (two sglists)",
         .inplace_mode = INPLACE_TWO_SGLISTS,
         .src_divs = { { .proportion_of_total = 10000 } },
     }, {
         .name = "out-of-place",
         .inplace_mode = OUT_OF_PLACE,
         .src_divs = { { .proportion_of_total = 10000 } },
     }, {
         .name = "unaligned buffer, offset=1",
         .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
         .iv_offset = 1,
         .key_offset = 1,
     }, {
         .name = "buffer aligned only to alignmask",
         .src_divs = {
             {
                 .proportion_of_total = 10000,
                 .offset = 1,
                 .offset_relative_to_alignmask = true,
             },
         },
         .iv_offset = 1,
         .iv_offset_relative_to_alignmask = true,
         .key_offset = 1,
         .key_offset_relative_to_alignmask = true,
     }, {
         .name = "two even aligned splits",
         .src_divs = {
             { .proportion_of_total = 5000 },
             { .proportion_of_total = 5000 },
         },
     }, {
         .name = "uneven misaligned splits, may sleep",
         .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
         .src_divs = {
             { .proportion_of_total = 1900, .offset = 33 },
             { .proportion_of_total = 3300, .offset = 7  },
             { .proportion_of_total = 4800, .offset = 18 },
         },
         .iv_offset = 3,
         .key_offset = 3,
     }, {
         .name = "misaligned splits crossing pages, inplace",
         .inplace_mode = INPLACE_ONE_SGLIST,
         .src_divs = {
             {
                 .proportion_of_total = 7500,
                 .offset = PAGE_SIZE - 32
             }, {
                 .proportion_of_total = 2500,
                 .offset = PAGE_SIZE - 7
             },
         },
     }
 };
 
 static const struct testvec_config default_hash_testvec_configs[] = {
     {
         .name = "init+update+final aligned buffer",
         .src_divs = { { .proportion_of_total = 10000 } },
         .finalization_type = FINALIZATION_TYPE_FINAL,
     }, {
         .name = "init+finup aligned buffer",
         .src_divs = { { .proportion_of_total = 10000 } },
         .finalization_type = FINALIZATION_TYPE_FINUP,
     }, {
         .name = "digest aligned buffer",
         .src_divs = { { .proportion_of_total = 10000 } },
         .finalization_type = FINALIZATION_TYPE_DIGEST,
     }, {
         .name = "init+update+final misaligned buffer",
         .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
         .finalization_type = FINALIZATION_TYPE_FINAL,
         .key_offset = 1,
     }, {
         .name = "digest buffer aligned only to alignmask",
         .src_divs = {
             {
                 .proportion_of_total = 10000,
                 .offset = 1,
                 .offset_relative_to_alignmask = true,
             },
         },
         .finalization_type = FINALIZATION_TYPE_DIGEST,
         .key_offset = 1,
         .key_offset_relative_to_alignmask = true,
     }, {
         .name = "init+update+update+final two even splits",
         .src_divs = {
             { .proportion_of_total = 5000 },
             {
                 .proportion_of_total = 5000,
                 .flush_type = FLUSH_TYPE_FLUSH,
             },
         },
         .finalization_type = FINALIZATION_TYPE_FINAL,
     }, {
         .name = "digest uneven misaligned splits, may sleep",
         .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
         .src_divs = {
             { .proportion_of_total = 1900, .offset = 33 },
             { .proportion_of_total = 3300, .offset = 7  },
             { .proportion_of_total = 4800, .offset = 18 },
         },
         .finalization_type = FINALIZATION_TYPE_DIGEST,
     }, {
         .name = "digest misaligned splits crossing pages",
         .src_divs = {
             {
                 .proportion_of_total = 7500,
                 .offset = PAGE_SIZE - 32,
             }, {
                 .proportion_of_total = 2500,
                 .offset = PAGE_SIZE - 7,
             },
         },
         .finalization_type = FINALIZATION_TYPE_DIGEST,
     }, {
         .name = "import/export",
         .src_divs = {
             {
                 .proportion_of_total = 6500,
                 .flush_type = FLUSH_TYPE_REIMPORT,
             }, {
                 .proportion_of_total = 3500,
                 .flush_type = FLUSH_TYPE_REIMPORT,
             },
         },
         .finalization_type = FINALIZATION_TYPE_FINAL,
     }
 };
 
 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
 {
     unsigned int remaining = TEST_SG_TOTAL;
     unsigned int ndivs = 0;
 
     do {
         remaining -= divs[ndivs++].proportion_of_total;
     } while (remaining);
 
     return ndivs;
 }
 
 #define SGDIVS_HAVE_FLUSHES BIT(0)
 #define SGDIVS_HAVE_NOSIMD  BIT(1)
 
 static bool valid_sg_divisions(const struct test_sg_division *divs,
                    unsigned int count, int *flags_ret)
 {
     unsigned int total = 0;
     unsigned int i;
 
     for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
         if (divs[i].proportion_of_total <= 0 ||
             divs[i].proportion_of_total > TEST_SG_TOTAL - total)
             return false;
         total += divs[i].proportion_of_total;
         if (divs[i].flush_type != FLUSH_TYPE_NONE)
             *flags_ret |= SGDIVS_HAVE_FLUSHES;
         if (divs[i].nosimd)
             *flags_ret |= SGDIVS_HAVE_NOSIMD;
     }
     return total == TEST_SG_TOTAL &&
         memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
 }
 
 /*
  * Check whether the given testvec_config is valid.  This isn't strictly needed
  * since every testvec_config should be valid, but check anyway so that people
  * don't unknowingly add broken configs that don't do what they wanted.
  */
 static bool valid_testvec_config(const struct testvec_config *cfg)
 {
     int flags = 0;
 
     if (cfg->name == NULL)
         return false;
 
     if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
                 &flags))
         return false;
 
     if (cfg->dst_divs[0].proportion_of_total) {
         if (!valid_sg_divisions(cfg->dst_divs,
                     ARRAY_SIZE(cfg->dst_divs), &flags))
             return false;
     } else {
         if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
             return false;
         /* defaults to dst_divs=src_divs */
     }
 
     if (cfg->iv_offset +
         (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
         MAX_ALGAPI_ALIGNMASK + 1)
         return false;
 
     if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
         cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
         return false;
 
     if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
         (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
         return false;
 
     return true;
 }
 
 struct test_sglist {
     char *bufs[XBUFSIZE];
     struct scatterlist sgl[XBUFSIZE];
     struct scatterlist sgl_saved[XBUFSIZE];
     struct scatterlist *sgl_ptr;
     unsigned int nents;
 };
 
 static int init_test_sglist(struct test_sglist *tsgl)
 {
     return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
 }
 
 static void destroy_test_sglist(struct test_sglist *tsgl)
 {
     return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
 }
 
 /**
  * build_test_sglist() - build a scatterlist for a crypto test
  *
  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
  *    buffers which the scatterlist @tsgl->sgl[] will be made to point into.
  * @divs: the layout specification on which the scatterlist will be based
  * @alignmask: the algorithm's alignmask
  * @total_len: the total length of the scatterlist to build in bytes
  * @data: if non-NULL, the buffers will be filled with this data until it ends.
  *    Otherwise the buffers will be poisoned.  In both cases, some bytes
  *    past the end of each buffer will be poisoned to help detect overruns.
  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
  *        corresponds will be returned here.  This will match @divs except
  *        that divisions resolving to a length of 0 are omitted as they are
  *        not included in the scatterlist.
  *
  * Return: 0 or a -errno value
  */
 static int build_test_sglist(struct test_sglist *tsgl,
                  const struct test_sg_division *divs,
                  const unsigned int alignmask,
                  const unsigned int total_len,
                  struct iov_iter *data,
                  const struct test_sg_division *out_divs[XBUFSIZE])
 {
     struct {
         const struct test_sg_division *div;
         size_t length;
     } partitions[XBUFSIZE];
     const unsigned int ndivs = count_test_sg_divisions(divs);
     unsigned int len_remaining = total_len;
     unsigned int i;
 
     BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
     if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
         return -EINVAL;
 
     /* Calculate the (div, length) pairs */
     tsgl->nents = 0;
     for (i = 0; i < ndivs; i++) {
         unsigned int len_this_sg =
             min(len_remaining,
                 (total_len * divs[i].proportion_of_total +
                  TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
 
         if (len_this_sg != 0) {
             partitions[tsgl->nents].div = &divs[i];
             partitions[tsgl->nents].length = len_this_sg;
             tsgl->nents++;
             len_remaining -= len_this_sg;
         }
     }
     if (tsgl->nents == 0) {
         partitions[tsgl->nents].div = &divs[0];
         partitions[tsgl->nents].length = 0;
         tsgl->nents++;
     }
     partitions[tsgl->nents - 1].length += len_remaining;
 
     /* Set up the sgl entries and fill the data or poison */
     sg_init_table(tsgl->sgl, tsgl->nents);
     for (i = 0; i < tsgl->nents; i++) {
         unsigned int offset = partitions[i].div->offset;
         void *addr;
 
         if (partitions[i].div->offset_relative_to_alignmask)
             offset += alignmask;
 
         while (offset + partitions[i].length + TESTMGR_POISON_LEN >
                2 * PAGE_SIZE) {
             if (WARN_ON(offset <= 0))
                 return -EINVAL;
             offset /= 2;
         }
 
         addr = &tsgl->bufs[i][offset];
         sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
 
         if (out_divs)
             out_divs[i] = partitions[i].div;
 
         if (data) {
             size_t copy_len, copied;
 
             copy_len = min(partitions[i].length, data->count);
             copied = copy_from_iter(addr, copy_len, data);
             if (WARN_ON(copied != copy_len))
                 return -EINVAL;
             testmgr_poison(addr + copy_len, partitions[i].length +
                        TESTMGR_POISON_LEN - copy_len);
         } else {
             testmgr_poison(addr, partitions[i].length +
                        TESTMGR_POISON_LEN);
         }
     }
 
     sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
     tsgl->sgl_ptr = tsgl->sgl;
     memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
     return 0;
 }
 
 /*
  * Verify that a scatterlist crypto operation produced the correct output.
  *
  * @tsgl: scatterlist containing the actual output
  * @expected_output: buffer containing the expected output
  * @len_to_check: length of @expected_output in bytes
  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
  * @check_poison: verify that the poison bytes after each chunk are intact?
  *
  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
  */
 static int verify_correct_output(const struct test_sglist *tsgl,
                  const char *expected_output,
                  unsigned int len_to_check,
                  unsigned int unchecked_prefix_len,
                  bool check_poison)
 {
     unsigned int i;
 
     for (i = 0; i < tsgl->nents; i++) {
         struct scatterlist *sg = &tsgl->sgl_ptr[i];
         unsigned int len = sg->length;
         unsigned int offset = sg->offset;
         const char *actual_output;
 
         if (unchecked_prefix_len) {
             if (unchecked_prefix_len >= len) {
                 unchecked_prefix_len -= len;
                 continue;
             }
             offset += unchecked_prefix_len;
             len -= unchecked_prefix_len;
             unchecked_prefix_len = 0;
         }
         len = min(len, len_to_check);
         actual_output = page_address(sg_page(sg)) + offset;
         if (memcmp(expected_output, actual_output, len) != 0)
             return -EINVAL;
         if (check_poison &&
             !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
             return -EOVERFLOW;
         len_to_check -= len;
         expected_output += len;
     }
     if (WARN_ON(len_to_check != 0))
         return -EINVAL;
     return 0;
 }
 
 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
 {
     unsigned int i;
 
     for (i = 0; i < tsgl->nents; i++) {
         if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
             return true;
         if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
             return true;
         if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
             return true;
     }
     return false;
 }
 
 struct cipher_test_sglists {
     struct test_sglist src;
     struct test_sglist dst;
 };
 
 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
 {
     struct cipher_test_sglists *tsgls;
 
     tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
     if (!tsgls)
         return NULL;
 
     if (init_test_sglist(&tsgls->src) != 0)
         goto fail_kfree;
     if (init_test_sglist(&tsgls->dst) != 0)
         goto fail_destroy_src;
 
     return tsgls;
 
 fail_destroy_src:
     destroy_test_sglist(&tsgls->src);
 fail_kfree:
     kfree(tsgls);
     return NULL;
 }
 
 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
 {
     if (tsgls) {
         destroy_test_sglist(&tsgls->src);
         destroy_test_sglist(&tsgls->dst);
         kfree(tsgls);
     }
 }
 
 /* Build the src and dst scatterlists for an skcipher or AEAD test */
 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
                      const struct testvec_config *cfg,
                      unsigned int alignmask,
                      unsigned int src_total_len,
                      unsigned int dst_total_len,
                      const struct kvec *inputs,
                      unsigned int nr_inputs)
 {
     struct iov_iter input;
     int err;
 
     iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
     err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
                 cfg->inplace_mode != OUT_OF_PLACE ?
                     max(dst_total_len, src_total_len) :
                     src_total_len,
                 &input, NULL);
     if (err)
         return err;
 
     /*
      * In-place crypto operations can use the same scatterlist for both the
      * source and destination (req->src == req->dst), or can use separate
      * scatterlists (req->src != req->dst) which point to the same
      * underlying memory.  Make sure to test both cases.
      */
     if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
         tsgls->dst.sgl_ptr = tsgls->src.sgl;
         tsgls->dst.nents = tsgls->src.nents;
         return 0;
     }
     if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
         /*
          * For now we keep it simple and only test the case where the
          * two scatterlists have identical entries, rather than
          * different entries that split up the same memory differently.
          */
         memcpy(tsgls->dst.sgl, tsgls->src.sgl,
                tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
         memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
                tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
         tsgls->dst.sgl_ptr = tsgls->dst.sgl;
         tsgls->dst.nents = tsgls->src.nents;
         return 0;
     }
     /* Out of place */
     return build_test_sglist(&tsgls->dst,
                  cfg->dst_divs[0].proportion_of_total ?
                     cfg->dst_divs : cfg->src_divs,
                  alignmask, dst_total_len, NULL, NULL);
 }
 
 /*
  * Support for testing passing a misaligned key to setkey():
  *
  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
  * optionally adding alignmask.  Else, just use the key directly.
  */
 static int prepare_keybuf(const u8 *key, unsigned int ksize,
               const struct testvec_config *cfg,
               unsigned int alignmask,
               const u8 **keybuf_ret, const u8 **keyptr_ret)
 {
     unsigned int key_offset = cfg->key_offset;
     u8 *keybuf = NULL, *keyptr = (u8 *)key;
 
     if (key_offset != 0) {
         if (cfg->key_offset_relative_to_alignmask)
             key_offset += alignmask;
         keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
         if (!keybuf)
             return -ENOMEM;
         keyptr = keybuf + key_offset;
         memcpy(keyptr, key, ksize);
     }
     *keybuf_ret = keybuf;
     *keyptr_ret = keyptr;
     return 0;
 }
 
 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)        \
 ({                                  \
     const u8 *keybuf, *keyptr;                  \
     int err;                            \
                                     \
     err = prepare_keybuf((key), (ksize), (cfg), (alignmask),    \
                  &keybuf, &keyptr);             \
     if (err == 0) {                         \
         err = setkey_f((tfm), keyptr, (ksize));         \
         kfree(keybuf);                      \
     }                               \
     err;                                \
 })
 
 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 
 /* Generate a random length in range [0, max_len], but prefer smaller values */
 static unsigned int generate_random_length(unsigned int max_len)
 {
     unsigned int len = prandom_u32() % (max_len + 1);
 
     switch (prandom_u32() % 4) {
     case 0:
         return len % 64;
     case 1:
         return len % 256;
     case 2:
         return len % 1024;
     default:
         return len;
     }
 }
 
 /* Flip a random bit in the given nonempty data buffer */
 static void flip_random_bit(u8 *buf, size_t size)
 {
     size_t bitpos;
 
     bitpos = prandom_u32() % (size * 8);
     buf[bitpos / 8] ^= 1 << (bitpos % 8);
 }
 
 /* Flip a random byte in the given nonempty data buffer */
 static void flip_random_byte(u8 *buf, size_t size)
 {
     buf[prandom_u32() % size] ^= 0xff;
 }
 
 /* Sometimes make some random changes to the given nonempty data buffer */
 static void mutate_buffer(u8 *buf, size_t size)
 {
     size_t num_flips;
     size_t i;
 
     /* Sometimes flip some bits */
     if (prandom_u32() % 4 == 0) {
         num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size * 8);
         for (i = 0; i < num_flips; i++)
             flip_random_bit(buf, size);
     }
 
     /* Sometimes flip some bytes */
     if (prandom_u32() % 4 == 0) {
         num_flips = min_t(size_t, 1 << (prandom_u32() % 8), size);
         for (i = 0; i < num_flips; i++)
             flip_random_byte(buf, size);
     }
 }
 
 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
 static void generate_random_bytes(u8 *buf, size_t count)
 {
     u8 b;
     u8 increment;
     size_t i;
 
     if (count == 0)
         return;
 
     switch (prandom_u32() % 8) { /* Choose a generation strategy */
     case 0:
     case 1:
         /* All the same byte, plus optional mutations */
         switch (prandom_u32() % 4) {
         case 0:
             b = 0x00;
             break;
         case 1:
             b = 0xff;
             break;
         default:
             b = (u8)prandom_u32();
             break;
         }
         memset(buf, b, count);
         mutate_buffer(buf, count);
         break;
     case 2:
         /* Ascending or descending bytes, plus optional mutations */
         increment = (u8)prandom_u32();
         b = (u8)prandom_u32();
         for (i = 0; i < count; i++, b += increment)
             buf[i] = b;
         mutate_buffer(buf, count);
         break;
     default:
         /* Fully random bytes */
         for (i = 0; i < count; i++)
             buf[i] = (u8)prandom_u32();
     }
 }
 
 static char *generate_random_sgl_divisions(struct test_sg_division *divs,
                        size_t max_divs, char *p, char *end,
                        bool gen_flushes, u32 req_flags)
 {
     struct test_sg_division *div = divs;
     unsigned int remaining = TEST_SG_TOTAL;
 
     do {
         unsigned int this_len;
         const char *flushtype_str;
 
         if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0)
             this_len = remaining;
         else
             this_len = 1 + (prandom_u32() % remaining);
         div->proportion_of_total = this_len;
 
         if (prandom_u32() % 4 == 0)
             div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128);
         else if (prandom_u32() % 2 == 0)
             div->offset = prandom_u32() % 32;
         else
             div->offset = prandom_u32() % PAGE_SIZE;
         if (prandom_u32() % 8 == 0)
             div->offset_relative_to_alignmask = true;
 
         div->flush_type = FLUSH_TYPE_NONE;
         if (gen_flushes) {
             switch (prandom_u32() % 4) {
             case 0:
                 div->flush_type = FLUSH_TYPE_REIMPORT;
                 break;
             case 1:
                 div->flush_type = FLUSH_TYPE_FLUSH;
                 break;
             }
         }
 
         if (div->flush_type != FLUSH_TYPE_NONE &&
             !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
             prandom_u32() % 2 == 0)
             div->nosimd = true;
 
         switch (div->flush_type) {
         case FLUSH_TYPE_FLUSH:
             if (div->nosimd)
                 flushtype_str = "<flush,nosimd>";
             else
                 flushtype_str = "<flush>";
             break;
         case FLUSH_TYPE_REIMPORT:
             if (div->nosimd)
                 flushtype_str = "<reimport,nosimd>";
             else
                 flushtype_str = "<reimport>";
             break;
         default:
             flushtype_str = "";
             break;
         }
 
         BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
         p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
                    this_len / 100, this_len % 100,
                    div->offset_relative_to_alignmask ?
                     "alignmask" : "",
                    div->offset, this_len == remaining ? "" : ", ");
         remaining -= this_len;
         div++;
     } while (remaining);
 
     return p;
 }
 
 /* Generate a random testvec_config for fuzz testing */
 static void generate_random_testvec_config(struct testvec_config *cfg,
                        char *name, size_t max_namelen)
 {
     char *p = name;
     char * const end = name + max_namelen;
 
     memset(cfg, 0, sizeof(*cfg));
 
     cfg->name = name;
 
     p += scnprintf(p, end - p, "random:");
 
     switch (prandom_u32() % 4) {
     case 0:
     case 1:
         cfg->inplace_mode = OUT_OF_PLACE;
         break;
     case 2:
         cfg->inplace_mode = INPLACE_ONE_SGLIST;
         p += scnprintf(p, end - p, " inplace_one_sglist");
         break;
     default:
         cfg->inplace_mode = INPLACE_TWO_SGLISTS;
         p += scnprintf(p, end - p, " inplace_two_sglists");
         break;
     }
 
     if (prandom_u32() % 2 == 0) {
         cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
         p += scnprintf(p, end - p, " may_sleep");
     }
 
     switch (prandom_u32() % 4) {
     case 0:
         cfg->finalization_type = FINALIZATION_TYPE_FINAL;
         p += scnprintf(p, end - p, " use_final");
         break;
     case 1:
         cfg->finalization_type = FINALIZATION_TYPE_FINUP;
         p += scnprintf(p, end - p, " use_finup");
         break;
     default:
         cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
         p += scnprintf(p, end - p, " use_digest");
         break;
     }
 
     if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
         prandom_u32() % 2 == 0) {
         cfg->nosimd = true;
         p += scnprintf(p, end - p, " nosimd");
     }
 
     p += scnprintf(p, end - p, " src_divs=[");
     p = generate_random_sgl_divisions(cfg->src_divs,
                       ARRAY_SIZE(cfg->src_divs), p, end,
                       (cfg->finalization_type !=
                        FINALIZATION_TYPE_DIGEST),
                       cfg->req_flags);
     p += scnprintf(p, end - p, "]");
 
     if (cfg->inplace_mode == OUT_OF_PLACE && prandom_u32() % 2 == 0) {
         p += scnprintf(p, end - p, " dst_divs=[");
         p = generate_random_sgl_divisions(cfg->dst_divs,
                           ARRAY_SIZE(cfg->dst_divs),
                           p, end, false,
                           cfg->req_flags);
         p += scnprintf(p, end - p, "]");
     }
 
     if (prandom_u32() % 2 == 0) {
         cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
         p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
     }
 
     if (prandom_u32() % 2 == 0) {
         cfg->key_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
         p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
     }
 
     WARN_ON_ONCE(!valid_testvec_config(cfg));
 }
 
 static void crypto_disable_simd_for_test(void)
 {
     migrate_disable();
     __this_cpu_write(crypto_simd_disabled_for_test, true);
 }
 
 static void crypto_reenable_simd_for_test(void)
 {
     __this_cpu_write(crypto_simd_disabled_for_test, false);
     migrate_enable();
 }
 
 /*
  * Given an algorithm name, build the name of the generic implementation of that
  * algorithm, assuming the usual naming convention.  Specifically, this appends
  * "-generic" to every part of the name that is not a template name.  Examples:
  *
  *  aes => aes-generic
  *  cbc(aes) => cbc(aes-generic)
  *  cts(cbc(aes)) => cts(cbc(aes-generic))
  *  rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
  *
  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
  */
 static int build_generic_driver_name(const char *algname,
                      char driver_name[CRYPTO_MAX_ALG_NAME])
 {
     const char *in = algname;
     char *out = driver_name;
     size_t len = strlen(algname);
 
     if (len >= CRYPTO_MAX_ALG_NAME)
         goto too_long;
     do {
         const char *in_saved = in;
 
         while (*in && *in != '(' && *in != ')' && *in != ',')
             *out++ = *in++;
         if (*in != '(' && in > in_saved) {
             len += 8;
             if (len >= CRYPTO_MAX_ALG_NAME)
                 goto too_long;
             memcpy(out, "-generic", 8);
             out += 8;
         }
     } while ((*out++ = *in++) != '\0');
     return 0;
 
 too_long:
     pr_err("alg: generic driver name for \"%s\" would be too long\n",
            algname);
     return -ENAMETOOLONG;
 }
 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
 static void crypto_disable_simd_for_test(void)
 {
 }
 
 static void crypto_reenable_simd_for_test(void)
 {
 }
 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
 
 static int build_hash_sglist(struct test_sglist *tsgl,
                  const struct hash_testvec *vec,
                  const struct testvec_config *cfg,
                  unsigned int alignmask,
                  const struct test_sg_division *divs[XBUFSIZE])
 {
     struct kvec kv;
     struct iov_iter input;
 
     kv.iov_base = (void *)vec->plaintext;
     kv.iov_len = vec->psize;
     iov_iter_kvec(&input, WRITE, &kv, 1, vec->psize);
     return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
                  &input, divs);
 }
 
 static int check_hash_result(const char *type,
                  const u8 *result, unsigned int digestsize,
                  const struct hash_testvec *vec,
                  const char *vec_name,
                  const char *driver,
                  const struct testvec_config *cfg)
 {
     if (memcmp(result, vec->digest, digestsize) != 0) {
         pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
                type, driver, vec_name, cfg->name);
         return -EINVAL;
     }
     if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
         pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
                type, driver, vec_name, cfg->name);
         return -EOVERFLOW;
     }
     return 0;
 }
 
 static inline int check_shash_op(const char *op, int err,
                  const char *driver, const char *vec_name,
                  const struct testvec_config *cfg)
 {
     if (err)
         pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
                driver, op, err, vec_name, cfg->name);
     return err;
 }
 
 /* Test one hash test vector in one configuration, using the shash API */
 static int test_shash_vec_cfg(const struct hash_testvec *vec,
                   const char *vec_name,
                   const struct testvec_config *cfg,
                   struct shash_desc *desc,
                   struct test_sglist *tsgl,
                   u8 *hashstate)
 {
     struct crypto_shash *tfm = desc->tfm;
     const unsigned int alignmask = crypto_shash_alignmask(tfm);
     const unsigned int digestsize = crypto_shash_digestsize(tfm);
     const unsigned int statesize = crypto_shash_statesize(tfm);
     const char *driver = crypto_shash_driver_name(tfm);
     const struct test_sg_division *divs[XBUFSIZE];
     unsigned int i;
     u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
     int err;
 
     /* Set the key, if specified */
     if (vec->ksize) {
         err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
                 cfg, alignmask);
         if (err) {
             if (err == vec->setkey_error)
                 return 0;
             pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
                    driver, vec_name, vec->setkey_error, err,
                    crypto_shash_get_flags(tfm));
             return err;
         }
         if (vec->setkey_error) {
             pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
                    driver, vec_name, vec->setkey_error);
             return -EINVAL;
         }
     }
 
     /* Build the scatterlist for the source data */
     err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
     if (err) {
         pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
                driver, vec_name, cfg->name);
         return err;
     }
 
     /* Do the actual hashing */
 
     testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
     testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
 
     if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
         vec->digest_error) {
         /* Just using digest() */
         if (tsgl->nents != 1)
             return 0;
         if (cfg->nosimd)
             crypto_disable_simd_for_test();
         err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
                       tsgl->sgl[0].length, result);
         if (cfg->nosimd)
             crypto_reenable_simd_for_test();
         if (err) {
             if (err == vec->digest_error)
                 return 0;
             pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
                    driver, vec_name, vec->digest_error, err,
                    cfg->name);
             return err;
         }
         if (vec->digest_error) {
             pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
                    driver, vec_name, vec->digest_error, cfg->name);
             return -EINVAL;
         }
         goto result_ready;
     }
 
     /* Using init(), zero or more update(), then final() or finup() */
 
     if (cfg->nosimd)
         crypto_disable_simd_for_test();
     err = crypto_shash_init(desc);
     if (cfg->nosimd)
         crypto_reenable_simd_for_test();
     err = check_shash_op("init", err, driver, vec_name, cfg);
     if (err)
         return err;
 
     for (i = 0; i < tsgl->nents; i++) {
         if (i + 1 == tsgl->nents &&
             cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
             if (divs[i]->nosimd)
                 crypto_disable_simd_for_test();
             err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
                          tsgl->sgl[i].length, result);
             if (divs[i]->nosimd)
                 crypto_reenable_simd_for_test();
             err = check_shash_op("finup", err, driver, vec_name,
                          cfg);
             if (err)
                 return err;
             goto result_ready;
         }
         if (divs[i]->nosimd)
             crypto_disable_simd_for_test();
         err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
                       tsgl->sgl[i].length);
         if (divs[i]->nosimd)
             crypto_reenable_simd_for_test();
         err = check_shash_op("update", err, driver, vec_name, cfg);
         if (err)
             return err;
         if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
             /* Test ->export() and ->import() */
             testmgr_poison(hashstate + statesize,
                        TESTMGR_POISON_LEN);
             err = crypto_shash_export(desc, hashstate);
             err = check_shash_op("export", err, driver, vec_name,
                          cfg);
             if (err)
                 return err;
             if (!testmgr_is_poison(hashstate + statesize,
                            TESTMGR_POISON_LEN)) {
                 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
                        driver, vec_name, cfg->name);
                 return -EOVERFLOW;
             }
             testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
             err = crypto_shash_import(desc, hashstate);
             err = check_shash_op("import", err, driver, vec_name,
                          cfg);
             if (err)
                 return err;
         }
     }
 
     if (cfg->nosimd)
         crypto_disable_simd_for_test();
     err = crypto_shash_final(desc, result);
     if (cfg->nosimd)
         crypto_reenable_simd_for_test();
     err = check_shash_op("final", err, driver, vec_name, cfg);
     if (err)
         return err;
 result_ready:
     return check_hash_result("shash", result, digestsize, vec, vec_name,
                  driver, cfg);
 }
 
 static int do_ahash_op(int (*op)(struct ahash_request *req),
                struct ahash_request *req,
                struct crypto_wait *wait, bool nosimd)
 {
     int err;
 
     if (nosimd)
         crypto_disable_simd_for_test();
 
     err = op(req);
 
     if (nosimd)
         crypto_reenable_simd_for_test();
 
     return crypto_wait_req(err, wait);
 }
 
 static int check_nonfinal_ahash_op(const char *op, int err,
                    u8 *result, unsigned int digestsize,
                    const char *driver, const char *vec_name,
                    const struct testvec_config *cfg)
 {
     if (err) {
         pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
                driver, op, err, vec_name, cfg->name);
         return err;
     }
     if (!testmgr_is_poison(result, digestsize)) {
         pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return -EINVAL;
     }
     return 0;
 }
 
 /* Test one hash test vector in one configuration, using the ahash API */
 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
                   const char *vec_name,
                   const struct testvec_config *cfg,
                   struct ahash_request *req,
                   struct test_sglist *tsgl,
                   u8 *hashstate)
 {
     struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
     const unsigned int alignmask = crypto_ahash_alignmask(tfm);
     const unsigned int digestsize = crypto_ahash_digestsize(tfm);
     const unsigned int statesize = crypto_ahash_statesize(tfm);
     const char *driver = crypto_ahash_driver_name(tfm);
     const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
     const struct test_sg_division *divs[XBUFSIZE];
     DECLARE_CRYPTO_WAIT(wait);
     unsigned int i;
     struct scatterlist *pending_sgl;
     unsigned int pending_len;
     u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
     int err;
 
     /* Set the key, if specified */
     if (vec->ksize) {
         err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
                 cfg, alignmask);
         if (err) {
             if (err == vec->setkey_error)
                 return 0;
             pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
                    driver, vec_name, vec->setkey_error, err,
                    crypto_ahash_get_flags(tfm));
             return err;
         }
         if (vec->setkey_error) {
             pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
                    driver, vec_name, vec->setkey_error);
             return -EINVAL;
         }
     }
 
     /* Build the scatterlist for the source data */
     err = build_hash_sglist(tsgl, vec, cfg, alignmask, divs);
     if (err) {
         pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
                driver, vec_name, cfg->name);
         return err;
     }
 
     /* Do the actual hashing */
 
     testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
     testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
 
     if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
         vec->digest_error) {
         /* Just using digest() */
         ahash_request_set_callback(req, req_flags, crypto_req_done,
                        &wait);
         ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
         err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
         if (err) {
             if (err == vec->digest_error)
                 return 0;
             pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
                    driver, vec_name, vec->digest_error, err,
                    cfg->name);
             return err;
         }
         if (vec->digest_error) {
             pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
                    driver, vec_name, vec->digest_error, cfg->name);
             return -EINVAL;
         }
         goto result_ready;
     }
 
     /* Using init(), zero or more update(), then final() or finup() */
 
     ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
     ahash_request_set_crypt(req, NULL, result, 0);
     err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
     err = check_nonfinal_ahash_op("init", err, result, digestsize,
                       driver, vec_name, cfg);
     if (err)
         return err;
 
     pending_sgl = NULL;
     pending_len = 0;
     for (i = 0; i < tsgl->nents; i++) {
         if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
             pending_sgl != NULL) {
             /* update() with the pending data */
             ahash_request_set_callback(req, req_flags,
                            crypto_req_done, &wait);
             ahash_request_set_crypt(req, pending_sgl, result,
                         pending_len);
             err = do_ahash_op(crypto_ahash_update, req, &wait,
                       divs[i]->nosimd);
             err = check_nonfinal_ahash_op("update", err,
                               result, digestsize,
                               driver, vec_name, cfg);
             if (err)
                 return err;
             pending_sgl = NULL;
             pending_len = 0;
         }
         if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
             /* Test ->export() and ->import() */
             testmgr_poison(hashstate + statesize,
                        TESTMGR_POISON_LEN);
             err = crypto_ahash_export(req, hashstate);
             err = check_nonfinal_ahash_op("export", err,
                               result, digestsize,
                               driver, vec_name, cfg);
             if (err)
                 return err;
             if (!testmgr_is_poison(hashstate + statesize,
                            TESTMGR_POISON_LEN)) {
                 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
                        driver, vec_name, cfg->name);
                 return -EOVERFLOW;
             }
 
             testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
             err = crypto_ahash_import(req, hashstate);
             err = check_nonfinal_ahash_op("import", err,
                               result, digestsize,
                               driver, vec_name, cfg);
             if (err)
                 return err;
         }
         if (pending_sgl == NULL)
             pending_sgl = &tsgl->sgl[i];
         pending_len += tsgl->sgl[i].length;
     }
 
     ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
     ahash_request_set_crypt(req, pending_sgl, result, pending_len);
     if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
         /* finish with update() and final() */
         err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
         err = check_nonfinal_ahash_op("update", err, result, digestsize,
                           driver, vec_name, cfg);
         if (err)
             return err;
         err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
         if (err) {
             pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
                    driver, err, vec_name, cfg->name);
             return err;
         }
     } else {
         /* finish with finup() */
         err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
         if (err) {
             pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
                    driver, err, vec_name, cfg->name);
             return err;
         }
     }
 
 result_ready:
     return check_hash_result("ahash", result, digestsize, vec, vec_name,
                  driver, cfg);
 }
 
 static int test_hash_vec_cfg(const struct hash_testvec *vec,
                  const char *vec_name,
                  const struct testvec_config *cfg,
                  struct ahash_request *req,
                  struct shash_desc *desc,
                  struct test_sglist *tsgl,
                  u8 *hashstate)
 {
     int err;
 
     /*
      * For algorithms implemented as "shash", most bugs will be detected by
      * both the shash and ahash tests.  Test the shash API first so that the
      * failures involve less indirection, so are easier to debug.
      */
 
     if (desc) {
         err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
                      hashstate);
         if (err)
             return err;
     }
 
     return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
 }
 
 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
              struct ahash_request *req, struct shash_desc *desc,
              struct test_sglist *tsgl, u8 *hashstate)
 {
     char vec_name[16];
     unsigned int i;
     int err;
 
     sprintf(vec_name, "%u", vec_num);
 
     for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
         err = test_hash_vec_cfg(vec, vec_name,
                     &default_hash_testvec_configs[i],
                     req, desc, tsgl, hashstate);
         if (err)
             return err;
     }
 
 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
     if (!noextratests) {
         struct testvec_config cfg;
         char cfgname[TESTVEC_CONFIG_NAMELEN];
 
         for (i = 0; i < fuzz_iterations; i++) {
             generate_random_testvec_config(&cfg, cfgname,
                                sizeof(cfgname));
             err = test_hash_vec_cfg(vec, vec_name, &cfg,
                         req, desc, tsgl, hashstate);
             if (err)
                 return err;
             cond_resched();
         }
     }
 #endif
     return 0;
 }
 
 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 /*
  * Generate a hash test vector from the given implementation.
  * Assumes the buffers in 'vec' were already allocated.
  */
 static void generate_random_hash_testvec(struct shash_desc *desc,
                      struct hash_testvec *vec,
                      unsigned int maxkeysize,
                      unsigned int maxdatasize,
                      char *name, size_t max_namelen)
 {
     /* Data */
     vec->psize = generate_random_length(maxdatasize);
     generate_random_bytes((u8 *)vec->plaintext, vec->psize);
 
     /*
      * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
      * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
      */
     vec->setkey_error = 0;
     vec->ksize = 0;
     if (maxkeysize) {
         vec->ksize = maxkeysize;
         if (prandom_u32() % 4 == 0)
             vec->ksize = 1 + (prandom_u32() % maxkeysize);
         generate_random_bytes((u8 *)vec->key, vec->ksize);
 
         vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
                             vec->ksize);
         /* If the key couldn't be set, no need to continue to digest. */
         if (vec->setkey_error)
             goto done;
     }
 
     /* Digest */
     vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
                         vec->psize, (u8 *)vec->digest);
 done:
     snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
          vec->psize, vec->ksize);
 }
 
 /*
  * Test the hash algorithm represented by @req against the corresponding generic
  * implementation, if one is available.
  */
 static int test_hash_vs_generic_impl(const char *generic_driver,
                      unsigned int maxkeysize,
                      struct ahash_request *req,
                      struct shash_desc *desc,
                      struct test_sglist *tsgl,
                      u8 *hashstate)
 {
     struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
     const unsigned int digestsize = crypto_ahash_digestsize(tfm);
     const unsigned int blocksize = crypto_ahash_blocksize(tfm);
     const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
     const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
     const char *driver = crypto_ahash_driver_name(tfm);
     char _generic_driver[CRYPTO_MAX_ALG_NAME];
     struct crypto_shash *generic_tfm = NULL;
     struct shash_desc *generic_desc = NULL;
     unsigned int i;
     struct hash_testvec vec = { 0 };
     char vec_name[64];
     struct testvec_config *cfg;
     char cfgname[TESTVEC_CONFIG_NAMELEN];
     int err;
 
     if (noextratests)
         return 0;
 
     if (!generic_driver) { /* Use default naming convention? */
         err = build_generic_driver_name(algname, _generic_driver);
         if (err)
             return err;
         generic_driver = _generic_driver;
     }
 
     if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
         return 0;
 
     generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
     if (IS_ERR(generic_tfm)) {
         err = PTR_ERR(generic_tfm);
         if (err == -ENOENT) {
             pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
                 driver, generic_driver);
             return 0;
         }
         pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
                generic_driver, algname, err);
         return err;
     }
 
     cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
     if (!cfg) {
         err = -ENOMEM;
         goto out;
     }
 
     generic_desc = kzalloc(sizeof(*desc) +
                    crypto_shash_descsize(generic_tfm), GFP_KERNEL);
     if (!generic_desc) {
         err = -ENOMEM;
         goto out;
     }
     generic_desc->tfm = generic_tfm;
 
     /* Check the algorithm properties for consistency. */
 
     if (digestsize != crypto_shash_digestsize(generic_tfm)) {
         pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
                driver, digestsize,
                crypto_shash_digestsize(generic_tfm));
         err = -EINVAL;
         goto out;
     }
 
     if (blocksize != crypto_shash_blocksize(generic_tfm)) {
         pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
                driver, blocksize, crypto_shash_blocksize(generic_tfm));
         err = -EINVAL;
         goto out;
     }
 
     /*
      * Now generate test vectors using the generic implementation, and test
      * the other implementation against them.
      */
 
     vec.key = kmalloc(maxkeysize, GFP_KERNEL);
     vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
     vec.digest = kmalloc(digestsize, GFP_KERNEL);
     if (!vec.key || !vec.plaintext || !vec.digest) {
         err = -ENOMEM;
         goto out;
     }
 
     for (i = 0; i < fuzz_iterations * 8; i++) {
         generate_random_hash_testvec(generic_desc, &vec,
                          maxkeysize, maxdatasize,
                          vec_name, sizeof(vec_name));
         generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
 
         err = test_hash_vec_cfg(&vec, vec_name, cfg,
                     req, desc, tsgl, hashstate);
         if (err)
             goto out;
         cond_resched();
     }
     err = 0;
 out:
     kfree(cfg);
     kfree(vec.key);
     kfree(vec.plaintext);
     kfree(vec.digest);
     crypto_free_shash(generic_tfm);
     kfree_sensitive(generic_desc);
     return err;
 }
 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
 static int test_hash_vs_generic_impl(const char *generic_driver,
                      unsigned int maxkeysize,
                      struct ahash_request *req,
                      struct shash_desc *desc,
                      struct test_sglist *tsgl,
                      u8 *hashstate)
 {
     return 0;
 }
 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
 
 static int alloc_shash(const char *driver, u32 type, u32 mask,
                struct crypto_shash **tfm_ret,
                struct shash_desc **desc_ret)
 {
     struct crypto_shash *tfm;
     struct shash_desc *desc;
 
     tfm = crypto_alloc_shash(driver, type, mask);
     if (IS_ERR(tfm)) {
         if (PTR_ERR(tfm) == -ENOENT) {
             /*
              * This algorithm is only available through the ahash
              * API, not the shash API, so skip the shash tests.
              */
             return 0;
         }
         pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
                driver, PTR_ERR(tfm));
         return PTR_ERR(tfm);
     }
 
     desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
     if (!desc) {
         crypto_free_shash(tfm);
         return -ENOMEM;
     }
     desc->tfm = tfm;
 
     *tfm_ret = tfm;
     *desc_ret = desc;
     return 0;
 }
 
 static int __alg_test_hash(const struct hash_testvec *vecs,
                unsigned int num_vecs, const char *driver,
                u32 type, u32 mask,
                const char *generic_driver, unsigned int maxkeysize)
 {
     struct crypto_ahash *atfm = NULL;
     struct ahash_request *req = NULL;
     struct crypto_shash *stfm = NULL;
     struct shash_desc *desc = NULL;
     struct test_sglist *tsgl = NULL;
     u8 *hashstate = NULL;
     unsigned int statesize;
     unsigned int i;
     int err;
 
     /*
      * Always test the ahash API.  This works regardless of whether the
      * algorithm is implemented as ahash or shash.
      */
 
     atfm = crypto_alloc_ahash(driver, type, mask);
     if (IS_ERR(atfm)) {
         pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
                driver, PTR_ERR(atfm));
         return PTR_ERR(atfm);
     }
     driver = crypto_ahash_driver_name(atfm);
 
     req = ahash_request_alloc(atfm, GFP_KERNEL);
     if (!req) {
         pr_err("alg: hash: failed to allocate request for %s\n",
                driver);
         err = -ENOMEM;
         goto out;
     }
 
     /*
      * If available also test the shash API, to cover corner cases that may
      * be missed by testing the ahash API only.
      */
     err = alloc_shash(driver, type, mask, &stfm, &desc);
     if (err)
         goto out;
 
     tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
     if (!tsgl || init_test_sglist(tsgl) != 0) {
         pr_err("alg: hash: failed to allocate test buffers for %s\n",
                driver);
         kfree(tsgl);
         tsgl = NULL;
         err = -ENOMEM;
         goto out;
     }
 
     statesize = crypto_ahash_statesize(atfm);
     if (stfm)
         statesize = max(statesize, crypto_shash_statesize(stfm));
     hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
     if (!hashstate) {
         pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
                driver);
         err = -ENOMEM;
         goto out;
     }
 
     for (i = 0; i < num_vecs; i++) {
         if (fips_enabled && vecs[i].fips_skip)
             continue;
 
         err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
         if (err)
             goto out;
         cond_resched();
     }
     err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
                     desc, tsgl, hashstate);
 out:
     kfree(hashstate);
     if (tsgl) {
         destroy_test_sglist(tsgl);
         kfree(tsgl);
     }
     kfree(desc);
     crypto_free_shash(stfm);
     ahash_request_free(req);
     crypto_free_ahash(atfm);
     return err;
 }
 
 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
              u32 type, u32 mask)
 {
     const struct hash_testvec *template = desc->suite.hash.vecs;
     unsigned int tcount = desc->suite.hash.count;
     unsigned int nr_unkeyed, nr_keyed;
     unsigned int maxkeysize = 0;
     int err;
 
     /*
      * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
      * first, before setting a key on the tfm.  To make this easier, we
      * require that the unkeyed test vectors (if any) are listed first.
      */
 
     for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
         if (template[nr_unkeyed].ksize)
             break;
     }
     for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
         if (!template[nr_unkeyed + nr_keyed].ksize) {
             pr_err("alg: hash: test vectors for %s out of order, "
                    "unkeyed ones must come first\n", desc->alg);
             return -EINVAL;
         }
         maxkeysize = max_t(unsigned int, maxkeysize,
                    template[nr_unkeyed + nr_keyed].ksize);
     }
 
     err = 0;
     if (nr_unkeyed) {
         err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
                       desc->generic_driver, maxkeysize);
         template += nr_unkeyed;
     }
 
     if (!err && nr_keyed)
         err = __alg_test_hash(template, nr_keyed, driver, type, mask,
                       desc->generic_driver, maxkeysize);
 
     return err;
 }
 
 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
                  const char *vec_name,
                  const struct testvec_config *cfg,
                  struct aead_request *req,
                  struct cipher_test_sglists *tsgls)
 {
     struct crypto_aead *tfm = crypto_aead_reqtfm(req);
     const unsigned int alignmask = crypto_aead_alignmask(tfm);
     const unsigned int ivsize = crypto_aead_ivsize(tfm);
     const unsigned int authsize = vec->clen - vec->plen;
     const char *driver = crypto_aead_driver_name(tfm);
     const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
     const char *op = enc ? "encryption" : "decryption";
     DECLARE_CRYPTO_WAIT(wait);
     u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
     u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
          cfg->iv_offset +
          (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
     struct kvec input[2];
     int err;
 
     /* Set the key */
     if (vec->wk)
         crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
     else
         crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
 
     err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
             cfg, alignmask);
     if (err && err != vec->setkey_error) {
         pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
                driver, vec_name, vec->setkey_error, err,
                crypto_aead_get_flags(tfm));
         return err;
     }
     if (!err && vec->setkey_error) {
         pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
                driver, vec_name, vec->setkey_error);
         return -EINVAL;
     }
 
     /* Set the authentication tag size */
     err = crypto_aead_setauthsize(tfm, authsize);
     if (err && err != vec->setauthsize_error) {
         pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
                driver, vec_name, vec->setauthsize_error, err);
         return err;
     }
     if (!err && vec->setauthsize_error) {
         pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
                driver, vec_name, vec->setauthsize_error);
         return -EINVAL;
     }
 
     if (vec->setkey_error || vec->setauthsize_error)
         return 0;
 
     /* The IV must be copied to a buffer, as the algorithm may modify it */
     if (WARN_ON(ivsize > MAX_IVLEN))
         return -EINVAL;
     if (vec->iv)
         memcpy(iv, vec->iv, ivsize);
     else
         memset(iv, 0, ivsize);
 
     /* Build the src/dst scatterlists */
     input[0].iov_base = (void *)vec->assoc;
     input[0].iov_len = vec->alen;
     input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
     input[1].iov_len = enc ? vec->plen : vec->clen;
     err = build_cipher_test_sglists(tsgls, cfg, alignmask,
                     vec->alen + (enc ? vec->plen :
                              vec->clen),
                     vec->alen + (enc ? vec->clen :
                              vec->plen),
                     input, 2);
     if (err) {
         pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return err;
     }
 
     /* Do the actual encryption or decryption */
     testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
     aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
     aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
                    enc ? vec->plen : vec->clen, iv);
     aead_request_set_ad(req, vec->alen);
     if (cfg->nosimd)
         crypto_disable_simd_for_test();
     err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
     if (cfg->nosimd)
         crypto_reenable_simd_for_test();
     err = crypto_wait_req(err, &wait);
 
     /* Check that the algorithm didn't overwrite things it shouldn't have */
     if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
         req->assoclen != vec->alen ||
         req->iv != iv ||
         req->src != tsgls->src.sgl_ptr ||
         req->dst != tsgls->dst.sgl_ptr ||
         crypto_aead_reqtfm(req) != tfm ||
         req->base.complete != crypto_req_done ||
         req->base.flags != req_flags ||
         req->base.data != &wait) {
         pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         if (req->cryptlen != (enc ? vec->plen : vec->clen))
             pr_err("alg: aead: changed 'req->cryptlen'\n");
         if (req->assoclen != vec->alen)
             pr_err("alg: aead: changed 'req->assoclen'\n");
         if (req->iv != iv)
             pr_err("alg: aead: changed 'req->iv'\n");
         if (req->src != tsgls->src.sgl_ptr)
             pr_err("alg: aead: changed 'req->src'\n");
         if (req->dst != tsgls->dst.sgl_ptr)
             pr_err("alg: aead: changed 'req->dst'\n");
         if (crypto_aead_reqtfm(req) != tfm)
             pr_err("alg: aead: changed 'req->base.tfm'\n");
         if (req->base.complete != crypto_req_done)
             pr_err("alg: aead: changed 'req->base.complete'\n");
         if (req->base.flags != req_flags)
             pr_err("alg: aead: changed 'req->base.flags'\n");
         if (req->base.data != &wait)
             pr_err("alg: aead: changed 'req->base.data'\n");
         return -EINVAL;
     }
     if (is_test_sglist_corrupted(&tsgls->src)) {
         pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return -EINVAL;
     }
     if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
         is_test_sglist_corrupted(&tsgls->dst)) {
         pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return -EINVAL;
     }
 
     /* Check for unexpected success or failure, or wrong error code */
     if ((err == 0 && vec->novrfy) ||
         (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
         char expected_error[32];
 
         if (vec->novrfy &&
             vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
             sprintf(expected_error, "-EBADMSG or %d",
                 vec->crypt_error);
         else if (vec->novrfy)
             sprintf(expected_error, "-EBADMSG");
         else
             sprintf(expected_error, "%d", vec->crypt_error);
         if (err) {
             pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
                    driver, op, vec_name, expected_error, err,
                    cfg->name);
             return err;
         }
         pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
                driver, op, vec_name, expected_error, cfg->name);
         return -EINVAL;
     }
     if (err) /* Expectedly failed. */
         return 0;
 
     /* Check for the correct output (ciphertext or plaintext) */
     err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
                     enc ? vec->clen : vec->plen,
                     vec->alen,
                     enc || cfg->inplace_mode == OUT_OF_PLACE);
     if (err == -EOVERFLOW) {
         pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return err;
     }
     if (err) {
         pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return err;
     }
 
     return 0;
 }
 
 static int test_aead_vec(int enc, const struct aead_testvec *vec,
              unsigned int vec_num, struct aead_request *req,
              struct cipher_test_sglists *tsgls)
 {
     char vec_name[16];
     unsigned int i;
     int err;
 
     if (enc && vec->novrfy)
         return 0;
 
     sprintf(vec_name, "%u", vec_num);
 
     for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
         err = test_aead_vec_cfg(enc, vec, vec_name,
                     &default_cipher_testvec_configs[i],
                     req, tsgls);
         if (err)
             return err;
     }
 
 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
     if (!noextratests) {
         struct testvec_config cfg;
         char cfgname[TESTVEC_CONFIG_NAMELEN];
 
         for (i = 0; i < fuzz_iterations; i++) {
             generate_random_testvec_config(&cfg, cfgname,
                                sizeof(cfgname));
             err = test_aead_vec_cfg(enc, vec, vec_name,
                         &cfg, req, tsgls);
             if (err)
                 return err;
             cond_resched();
         }
     }
 #endif
     return 0;
 }
 
 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 
 struct aead_extra_tests_ctx {
     struct aead_request *req;
     struct crypto_aead *tfm;
     const struct alg_test_desc *test_desc;
     struct cipher_test_sglists *tsgls;
     unsigned int maxdatasize;
     unsigned int maxkeysize;
 
     struct aead_testvec vec;
     char vec_name[64];
     char cfgname[TESTVEC_CONFIG_NAMELEN];
     struct testvec_config cfg;
 };
 
 /*
  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
  * here means the full ciphertext including the authentication tag.  The
  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
  */
 static void mutate_aead_message(struct aead_testvec *vec, bool aad_iv,
                 unsigned int ivsize)
 {
     const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
     const unsigned int authsize = vec->clen - vec->plen;
 
     if (prandom_u32() % 2 == 0 && vec->alen > aad_tail_size) {
          /* Mutate the AAD */
         flip_random_bit((u8 *)vec->assoc, vec->alen - aad_tail_size);
         if (prandom_u32() % 2 == 0)
             return;
     }
     if (prandom_u32() % 2 == 0) {
         /* Mutate auth tag (assuming it's at the end of ciphertext) */
         flip_random_bit((u8 *)vec->ctext + vec->plen, authsize);
     } else {
         /* Mutate any part of the ciphertext */
         flip_random_bit((u8 *)vec->ctext, vec->clen);
     }
 }
 
 /*
  * Minimum authentication tag size in bytes at which we assume that we can
  * reliably generate inauthentic messages, i.e. not generate an authentic
  * message by chance.
  */
 #define MIN_COLLISION_FREE_AUTHSIZE 8
 
 static void generate_aead_message(struct aead_request *req,
                   const struct aead_test_suite *suite,
                   struct aead_testvec *vec,
                   bool prefer_inauthentic)
 {
     struct crypto_aead *tfm = crypto_aead_reqtfm(req);
     const unsigned int ivsize = crypto_aead_ivsize(tfm);
     const unsigned int authsize = vec->clen - vec->plen;
     const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
                  (prefer_inauthentic || prandom_u32() % 4 == 0);
 
     /* Generate the AAD. */
     generate_random_bytes((u8 *)vec->assoc, vec->alen);
     if (suite->aad_iv && vec->alen >= ivsize)
         /* Avoid implementation-defined behavior. */
         memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
 
     if (inauthentic && prandom_u32() % 2 == 0) {
         /* Generate a random ciphertext. */
         generate_random_bytes((u8 *)vec->ctext, vec->clen);
     } else {
         int i = 0;
         struct scatterlist src[2], dst;
         u8 iv[MAX_IVLEN];
         DECLARE_CRYPTO_WAIT(wait);
 
         /* Generate a random plaintext and encrypt it. */
         sg_init_table(src, 2);
         if (vec->alen)
             sg_set_buf(&src[i++], vec->assoc, vec->alen);
         if (vec->plen) {
             generate_random_bytes((u8 *)vec->ptext, vec->plen);
             sg_set_buf(&src[i++], vec->ptext, vec->plen);
         }
         sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
         memcpy(iv, vec->iv, ivsize);
         aead_request_set_callback(req, 0, crypto_req_done, &wait);
         aead_request_set_crypt(req, src, &dst, vec->plen, iv);
         aead_request_set_ad(req, vec->alen);
         vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
                            &wait);
         /* If encryption failed, we're done. */
         if (vec->crypt_error != 0)
             return;
         memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
         if (!inauthentic)
             return;
         /*
          * Mutate the authentic (ciphertext, AAD) pair to get an
          * inauthentic one.
          */
         mutate_aead_message(vec, suite->aad_iv, ivsize);
     }
     vec->novrfy = 1;
     if (suite->einval_allowed)
         vec->crypt_error = -EINVAL;
 }
 
 /*
  * Generate an AEAD test vector 'vec' using the implementation specified by
  * 'req'.  The buffers in 'vec' must already be allocated.
  *
  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
  */
 static void generate_random_aead_testvec(struct aead_request *req,
                      struct aead_testvec *vec,
                      const struct aead_test_suite *suite,
                      unsigned int maxkeysize,
                      unsigned int maxdatasize,
                      char *name, size_t max_namelen,
                      bool prefer_inauthentic)
 {
     struct crypto_aead *tfm = crypto_aead_reqtfm(req);
     const unsigned int ivsize = crypto_aead_ivsize(tfm);
     const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
     unsigned int authsize;
     unsigned int total_len;
 
     /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
     vec->klen = maxkeysize;
     if (prandom_u32() % 4 == 0)
         vec->klen = prandom_u32() % (maxkeysize + 1);
     generate_random_bytes((u8 *)vec->key, vec->klen);
     vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
 
     /* IV */
     generate_random_bytes((u8 *)vec->iv, ivsize);
 
     /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
     authsize = maxauthsize;
     if (prandom_u32() % 4 == 0)
         authsize = prandom_u32() % (maxauthsize + 1);
     if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
         authsize = MIN_COLLISION_FREE_AUTHSIZE;
     if (WARN_ON(authsize > maxdatasize))
         authsize = maxdatasize;
     maxdatasize -= authsize;
     vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
 
     /* AAD, plaintext, and ciphertext lengths */
     total_len = generate_random_length(maxdatasize);
     if (prandom_u32() % 4 == 0)
         vec->alen = 0;
     else
         vec->alen = generate_random_length(total_len);
     vec->plen = total_len - vec->alen;
     vec->clen = vec->plen + authsize;
 
     /*
      * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
      * key or the authentication tag size couldn't be set.
      */
     vec->novrfy = 0;
     vec->crypt_error = 0;
     if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
         generate_aead_message(req, suite, vec, prefer_inauthentic);
     snprintf(name, max_namelen,
          "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
          vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
 }
 
 static void try_to_generate_inauthentic_testvec(
                     struct aead_extra_tests_ctx *ctx)
 {
     int i;
 
     for (i = 0; i < 10; i++) {
         generate_random_aead_testvec(ctx->req, &ctx->vec,
                          &ctx->test_desc->suite.aead,
                          ctx->maxkeysize, ctx->maxdatasize,
                          ctx->vec_name,
                          sizeof(ctx->vec_name), true);
         if (ctx->vec.novrfy)
             return;
     }
 }
 
 /*
  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
  * result of an encryption with the key) and verify that decryption fails.
  */
 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
 {
     unsigned int i;
     int err;
 
     for (i = 0; i < fuzz_iterations * 8; i++) {
         /*
          * Since this part of the tests isn't comparing the
          * implementation to another, there's no point in testing any
          * test vectors other than inauthentic ones (vec.novrfy=1) here.
          *
          * If we're having trouble generating such a test vector, e.g.
          * if the algorithm keeps rejecting the generated keys, don't
          * retry forever; just continue on.
          */
         try_to_generate_inauthentic_testvec(ctx);
         if (ctx->vec.novrfy) {
             generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
                                sizeof(ctx->cfgname));
             err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
                         ctx->vec_name, &ctx->cfg,
                         ctx->req, ctx->tsgls);
             if (err)
                 return err;
         }
         cond_resched();
     }
     return 0;
 }
 
 /*
  * Test the AEAD algorithm against the corresponding generic implementation, if
  * one is available.
  */
 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
 {
     struct crypto_aead *tfm = ctx->tfm;
     const char *algname = crypto_aead_alg(tfm)->base.cra_name;
     const char *driver = crypto_aead_driver_name(tfm);
     const char *generic_driver = ctx->test_desc->generic_driver;
     char _generic_driver[CRYPTO_MAX_ALG_NAME];
     struct crypto_aead *generic_tfm = NULL;
     struct aead_request *generic_req = NULL;
     unsigned int i;
     int err;
 
     if (!generic_driver) { /* Use default naming convention? */
         err = build_generic_driver_name(algname, _generic_driver);
         if (err)
             return err;
         generic_driver = _generic_driver;
     }
 
     if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
         return 0;
 
     generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
     if (IS_ERR(generic_tfm)) {
         err = PTR_ERR(generic_tfm);
         if (err == -ENOENT) {
             pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
                 driver, generic_driver);
             return 0;
         }
         pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
                generic_driver, algname, err);
         return err;
     }
 
     generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
     if (!generic_req) {
         err = -ENOMEM;
         goto out;
     }
 
     /* Check the algorithm properties for consistency. */
 
     if (crypto_aead_maxauthsize(tfm) !=
         crypto_aead_maxauthsize(generic_tfm)) {
         pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
                driver, crypto_aead_maxauthsize(tfm),
                crypto_aead_maxauthsize(generic_tfm));
         err = -EINVAL;
         goto out;
     }
 
     if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
         pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
                driver, crypto_aead_ivsize(tfm),
                crypto_aead_ivsize(generic_tfm));
         err = -EINVAL;
         goto out;
     }
 
     if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
         pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
                driver, crypto_aead_blocksize(tfm),
                crypto_aead_blocksize(generic_tfm));
         err = -EINVAL;
         goto out;
     }
 
     /*
      * Now generate test vectors using the generic implementation, and test
      * the other implementation against them.
      */
     for (i = 0; i < fuzz_iterations * 8; i++) {
         generate_random_aead_testvec(generic_req, &ctx->vec,
                          &ctx->test_desc->suite.aead,
                          ctx->maxkeysize, ctx->maxdatasize,
                          ctx->vec_name,
                          sizeof(ctx->vec_name), false);
         generate_random_testvec_config(&ctx->cfg, ctx->cfgname,
                            sizeof(ctx->cfgname));
         if (!ctx->vec.novrfy) {
             err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
                         ctx->vec_name, &ctx->cfg,
                         ctx->req, ctx->tsgls);
             if (err)
                 goto out;
         }
         if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
             err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
                         ctx->vec_name, &ctx->cfg,
                         ctx->req, ctx->tsgls);
             if (err)
                 goto out;
         }
         cond_resched();
     }
     err = 0;
 out:
     crypto_free_aead(generic_tfm);
     aead_request_free(generic_req);
     return err;
 }
 
 static int test_aead_extra(const struct alg_test_desc *test_desc,
                struct aead_request *req,
                struct cipher_test_sglists *tsgls)
 {
     struct aead_extra_tests_ctx *ctx;
     unsigned int i;
     int err;
 
     if (noextratests)
         return 0;
 
     ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
     if (!ctx)
         return -ENOMEM;
     ctx->req = req;
     ctx->tfm = crypto_aead_reqtfm(req);
     ctx->test_desc = test_desc;
     ctx->tsgls = tsgls;
     ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
     ctx->maxkeysize = 0;
     for (i = 0; i < test_desc->suite.aead.count; i++)
         ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
                     test_desc->suite.aead.vecs[i].klen);
 
     ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
     ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
     ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
     ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
     ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
     if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
         !ctx->vec.ptext || !ctx->vec.ctext) {
         err = -ENOMEM;
         goto out;
     }
 
     err = test_aead_vs_generic_impl(ctx);
     if (err)
         goto out;
 
     err = test_aead_inauthentic_inputs(ctx);
 out:
     kfree(ctx->vec.key);
     kfree(ctx->vec.iv);
     kfree(ctx->vec.assoc);
     kfree(ctx->vec.ptext);
     kfree(ctx->vec.ctext);
     kfree(ctx);
     return err;
 }
 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
 static int test_aead_extra(const struct alg_test_desc *test_desc,
                struct aead_request *req,
                struct cipher_test_sglists *tsgls)
 {
     return 0;
 }
 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
 
 static int test_aead(int enc, const struct aead_test_suite *suite,
              struct aead_request *req,
              struct cipher_test_sglists *tsgls)
 {
     unsigned int i;
     int err;
 
     for (i = 0; i < suite->count; i++) {
         err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
         if (err)
             return err;
         cond_resched();
     }
     return 0;
 }
 
 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
              u32 type, u32 mask)
 {
     const struct aead_test_suite *suite = &desc->suite.aead;
     struct crypto_aead *tfm;
     struct aead_request *req = NULL;
     struct cipher_test_sglists *tsgls = NULL;
     int err;
 
     if (suite->count <= 0) {
         pr_err("alg: aead: empty test suite for %s\n", driver);
         return -EINVAL;
     }
 
     tfm = crypto_alloc_aead(driver, type, mask);
     if (IS_ERR(tfm)) {
         pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
                driver, PTR_ERR(tfm));
         return PTR_ERR(tfm);
     }
     driver = crypto_aead_driver_name(tfm);
 
     req = aead_request_alloc(tfm, GFP_KERNEL);
     if (!req) {
         pr_err("alg: aead: failed to allocate request for %s\n",
                driver);
         err = -ENOMEM;
         goto out;
     }
 
     tsgls = alloc_cipher_test_sglists();
     if (!tsgls) {
         pr_err("alg: aead: failed to allocate test buffers for %s\n",
                driver);
         err = -ENOMEM;
         goto out;
     }
 
     err = test_aead(ENCRYPT, suite, req, tsgls);
     if (err)
         goto out;
 
     err = test_aead(DECRYPT, suite, req, tsgls);
     if (err)
         goto out;
 
     err = test_aead_extra(desc, req, tsgls);
 out:
     free_cipher_test_sglists(tsgls);
     aead_request_free(req);
     crypto_free_aead(tfm);
     return err;
 }
 
 static int test_cipher(struct crypto_cipher *tfm, int enc,
                const struct cipher_testvec *template,
                unsigned int tcount)
 {
     const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
     unsigned int i, j, k;
     char *q;
     const char *e;
     const char *input, *result;
     void *data;
     char *xbuf[XBUFSIZE];
     int ret = -ENOMEM;
 
     if (testmgr_alloc_buf(xbuf))
         goto out_nobuf;
 
     if (enc == ENCRYPT)
             e = "encryption";
     else
         e = "decryption";
 
     j = 0;
     for (i = 0; i < tcount; i++) {
 
         if (fips_enabled && template[i].fips_skip)
             continue;
 
         input  = enc ? template[i].ptext : template[i].ctext;
         result = enc ? template[i].ctext : template[i].ptext;
         j++;
 
         ret = -EINVAL;
         if (WARN_ON(template[i].len > PAGE_SIZE))
             goto out;
 
         data = xbuf[0];
         memcpy(data, input, template[i].len);
 
         crypto_cipher_clear_flags(tfm, ~0);
         if (template[i].wk)
             crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
 
         ret = crypto_cipher_setkey(tfm, template[i].key,
                        template[i].klen);
         if (ret) {
             if (ret == template[i].setkey_error)
                 continue;
             pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
                    algo, j, template[i].setkey_error, ret,
                    crypto_cipher_get_flags(tfm));
             goto out;
         }
         if (template[i].setkey_error) {
             pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
                    algo, j, template[i].setkey_error);
             ret = -EINVAL;
             goto out;
         }
 
         for (k = 0; k < template[i].len;
              k += crypto_cipher_blocksize(tfm)) {
             if (enc)
                 crypto_cipher_encrypt_one(tfm, data + k,
                               data + k);
             else
                 crypto_cipher_decrypt_one(tfm, data + k,
                               data + k);
         }
 
         q = data;
         if (memcmp(q, result, template[i].len)) {
             printk(KERN_ERR "alg: cipher: Test %d failed "
                    "on %s for %s\n", j, e, algo);
             hexdump(q, template[i].len);
             ret = -EINVAL;
             goto out;
         }
     }
 
     ret = 0;
 
 out:
     testmgr_free_buf(xbuf);
 out_nobuf:
     return ret;
 }
 
 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
                  const char *vec_name,
                  const struct testvec_config *cfg,
                  struct skcipher_request *req,
                  struct cipher_test_sglists *tsgls)
 {
     struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
     const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
     const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
     const char *driver = crypto_skcipher_driver_name(tfm);
     const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
     const char *op = enc ? "encryption" : "decryption";
     DECLARE_CRYPTO_WAIT(wait);
     u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
     u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
          cfg->iv_offset +
          (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
     struct kvec input;
     int err;
 
     /* Set the key */
     if (vec->wk)
         crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
     else
         crypto_skcipher_clear_flags(tfm,
                         CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
     err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
             cfg, alignmask);
     if (err) {
         if (err == vec->setkey_error)
             return 0;
         pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
                driver, vec_name, vec->setkey_error, err,
                crypto_skcipher_get_flags(tfm));
         return err;
     }
     if (vec->setkey_error) {
         pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
                driver, vec_name, vec->setkey_error);
         return -EINVAL;
     }
 
     /* The IV must be copied to a buffer, as the algorithm may modify it */
     if (ivsize) {
         if (WARN_ON(ivsize > MAX_IVLEN))
             return -EINVAL;
         if (vec->generates_iv && !enc)
             memcpy(iv, vec->iv_out, ivsize);
         else if (vec->iv)
             memcpy(iv, vec->iv, ivsize);
         else
             memset(iv, 0, ivsize);
     } else {
         if (vec->generates_iv) {
             pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
                    driver, vec_name);
             return -EINVAL;
         }
         iv = NULL;
     }
 
     /* Build the src/dst scatterlists */
     input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
     input.iov_len = vec->len;
     err = build_cipher_test_sglists(tsgls, cfg, alignmask,
                     vec->len, vec->len, &input, 1);
     if (err) {
         pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return err;
     }
 
     /* Do the actual encryption or decryption */
     testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
     skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
     skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
                    vec->len, iv);
     if (cfg->nosimd)
         crypto_disable_simd_for_test();
     err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
     if (cfg->nosimd)
         crypto_reenable_simd_for_test();
     err = crypto_wait_req(err, &wait);
 
     /* Check that the algorithm didn't overwrite things it shouldn't have */
     if (req->cryptlen != vec->len ||
         req->iv != iv ||
         req->src != tsgls->src.sgl_ptr ||
         req->dst != tsgls->dst.sgl_ptr ||
         crypto_skcipher_reqtfm(req) != tfm ||
         req->base.complete != crypto_req_done ||
         req->base.flags != req_flags ||
         req->base.data != &wait) {
         pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         if (req->cryptlen != vec->len)
             pr_err("alg: skcipher: changed 'req->cryptlen'\n");
         if (req->iv != iv)
             pr_err("alg: skcipher: changed 'req->iv'\n");
         if (req->src != tsgls->src.sgl_ptr)
             pr_err("alg: skcipher: changed 'req->src'\n");
         if (req->dst != tsgls->dst.sgl_ptr)
             pr_err("alg: skcipher: changed 'req->dst'\n");
         if (crypto_skcipher_reqtfm(req) != tfm)
             pr_err("alg: skcipher: changed 'req->base.tfm'\n");
         if (req->base.complete != crypto_req_done)
             pr_err("alg: skcipher: changed 'req->base.complete'\n");
         if (req->base.flags != req_flags)
             pr_err("alg: skcipher: changed 'req->base.flags'\n");
         if (req->base.data != &wait)
             pr_err("alg: skcipher: changed 'req->base.data'\n");
         return -EINVAL;
     }
     if (is_test_sglist_corrupted(&tsgls->src)) {
         pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return -EINVAL;
     }
     if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
         is_test_sglist_corrupted(&tsgls->dst)) {
         pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return -EINVAL;
     }
 
     /* Check for success or failure */
     if (err) {
         if (err == vec->crypt_error)
             return 0;
         pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
                driver, op, vec_name, vec->crypt_error, err, cfg->name);
         return err;
     }
     if (vec->crypt_error) {
         pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
                driver, op, vec_name, vec->crypt_error, cfg->name);
         return -EINVAL;
     }
 
     /* Check for the correct output (ciphertext or plaintext) */
     err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
                     vec->len, 0, true);
     if (err == -EOVERFLOW) {
         pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return err;
     }
     if (err) {
         pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         return err;
     }
 
     /* If applicable, check that the algorithm generated the correct IV */
     if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
         pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
                driver, op, vec_name, cfg->name);
         hexdump(iv, ivsize);
         return -EINVAL;
     }
 
     return 0;
 }
 
 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
                  unsigned int vec_num,
                  struct skcipher_request *req,
                  struct cipher_test_sglists *tsgls)
 {
     char vec_name[16];
     unsigned int i;
     int err;
 
     if (fips_enabled && vec->fips_skip)
         return 0;
 
     sprintf(vec_name, "%u", vec_num);
 
     for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
         err = test_skcipher_vec_cfg(enc, vec, vec_name,
                         &default_cipher_testvec_configs[i],
                         req, tsgls);
         if (err)
             return err;
     }
 
 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
     if (!noextratests) {
         struct testvec_config cfg;
         char cfgname[TESTVEC_CONFIG_NAMELEN];
 
         for (i = 0; i < fuzz_iterations; i++) {
             generate_random_testvec_config(&cfg, cfgname,
                                sizeof(cfgname));
             err = test_skcipher_vec_cfg(enc, vec, vec_name,
                             &cfg, req, tsgls);
             if (err)
                 return err;
             cond_resched();
         }
     }
 #endif
     return 0;
 }
 
 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 /*
  * Generate a symmetric cipher test vector from the given implementation.
  * Assumes the buffers in 'vec' were already allocated.
  */
 static void generate_random_cipher_testvec(struct skcipher_request *req,
                        struct cipher_testvec *vec,
                        unsigned int maxdatasize,
                        char *name, size_t max_namelen)
 {
     struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
     const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
     const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
     struct scatterlist src, dst;
     u8 iv[MAX_IVLEN];
     DECLARE_CRYPTO_WAIT(wait);
 
     /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
     vec->klen = maxkeysize;
     if (prandom_u32() % 4 == 0)
         vec->klen = prandom_u32() % (maxkeysize + 1);
     generate_random_bytes((u8 *)vec->key, vec->klen);
     vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
 
     /* IV */
     generate_random_bytes((u8 *)vec->iv, ivsize);
 
     /* Plaintext */
     vec->len = generate_random_length(maxdatasize);
     generate_random_bytes((u8 *)vec->ptext, vec->len);
 
     /* If the key couldn't be set, no need to continue to encrypt. */
     if (vec->setkey_error)
         goto done;
 
     /* Ciphertext */
     sg_init_one(&src, vec->ptext, vec->len);
     sg_init_one(&dst, vec->ctext, vec->len);
     memcpy(iv, vec->iv, ivsize);
     skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
     skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
     vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
     if (vec->crypt_error != 0) {
         /*
          * The only acceptable error here is for an invalid length, so
          * skcipher decryption should fail with the same error too.
          * We'll test for this.  But to keep the API usage well-defined,
          * explicitly initialize the ciphertext buffer too.
          */
         memset((u8 *)vec->ctext, 0, vec->len);
     }
 done:
     snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
          vec->len, vec->klen);
 }
 
 /*
  * Test the skcipher algorithm represented by @req against the corresponding
  * generic implementation, if one is available.
  */
 static int test_skcipher_vs_generic_impl(const char *generic_driver,
                      struct skcipher_request *req,
                      struct cipher_test_sglists *tsgls)
 {
     struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
     const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
     const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
     const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
     const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
     const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
     const char *driver = crypto_skcipher_driver_name(tfm);
     char _generic_driver[CRYPTO_MAX_ALG_NAME];
     struct crypto_skcipher *generic_tfm = NULL;
     struct skcipher_request *generic_req = NULL;
     unsigned int i;
     struct cipher_testvec vec = { 0 };
     char vec_name[64];
     struct testvec_config *cfg;
     char cfgname[TESTVEC_CONFIG_NAMELEN];
     int err;
 
     if (noextratests)
         return 0;
 
     /* Keywrap isn't supported here yet as it handles its IV differently. */
     if (strncmp(algname, "kw(", 3) == 0)
         return 0;
 
     if (!generic_driver) { /* Use default naming convention? */
         err = build_generic_driver_name(algname, _generic_driver);
         if (err)
             return err;
         generic_driver = _generic_driver;
     }
 
     if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
         return 0;
 
     generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
     if (IS_ERR(generic_tfm)) {
         err = PTR_ERR(generic_tfm);
         if (err == -ENOENT) {
             pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
                 driver, generic_driver);
             return 0;
         }
         pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
                generic_driver, algname, err);
         return err;
     }
 
     cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
     if (!cfg) {
         err = -ENOMEM;
         goto out;
     }
 
     generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
     if (!generic_req) {
         err = -ENOMEM;
         goto out;
     }
 
     /* Check the algorithm properties for consistency. */
 
     if (crypto_skcipher_min_keysize(tfm) !=
         crypto_skcipher_min_keysize(generic_tfm)) {
         pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
                driver, crypto_skcipher_min_keysize(tfm),
                crypto_skcipher_min_keysize(generic_tfm));
         err = -EINVAL;
         goto out;
     }
 
     if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
         pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
                driver, maxkeysize,
                crypto_skcipher_max_keysize(generic_tfm));
         err = -EINVAL;
         goto out;
     }
 
     if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
         pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
                driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
         err = -EINVAL;
         goto out;
     }
 
     if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
         pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
                driver, blocksize,
                crypto_skcipher_blocksize(generic_tfm));
         err = -EINVAL;
         goto out;
     }
 
     /*
      * Now generate test vectors using the generic implementation, and test
      * the other implementation against them.
      */
 
     vec.key = kmalloc(maxkeysize, GFP_KERNEL);
     vec.iv = kmalloc(ivsize, GFP_KERNEL);
     vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
     vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
     if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
         err = -ENOMEM;
         goto out;
     }
 
     for (i = 0; i < fuzz_iterations * 8; i++) {
         generate_random_cipher_testvec(generic_req, &vec, maxdatasize,
                            vec_name, sizeof(vec_name));
         generate_random_testvec_config(cfg, cfgname, sizeof(cfgname));
 
         err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
                         cfg, req, tsgls);
         if (err)
             goto out;
         err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
                         cfg, req, tsgls);
         if (err)
             goto out;
         cond_resched();
     }
     err = 0;
 out:
     kfree(cfg);
     kfree(vec.key);
     kfree(vec.iv);
     kfree(vec.ptext);
     kfree(vec.ctext);
     crypto_free_skcipher(generic_tfm);
     skcipher_request_free(generic_req);
     return err;
 }
 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
 static int test_skcipher_vs_generic_impl(const char *generic_driver,
                      struct skcipher_request *req,
                      struct cipher_test_sglists *tsgls)
 {
     return 0;
 }
 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
 
 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
              struct skcipher_request *req,
              struct cipher_test_sglists *tsgls)
 {
     unsigned int i;
     int err;
 
     for (i = 0; i < suite->count; i++) {
         err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
         if (err)
             return err;
         cond_resched();
     }
     return 0;
 }
 
 static int alg_test_skcipher(const struct alg_test_desc *desc,
                  const char *driver, u32 type, u32 mask)
 {
     const struct cipher_test_suite *suite = &desc->suite.cipher;
     struct crypto_skcipher *tfm;
     struct skcipher_request *req = NULL;
     struct cipher_test_sglists *tsgls = NULL;
     int err;
 
     if (suite->count <= 0) {
         pr_err("alg: skcipher: empty test suite for %s\n", driver);
         return -EINVAL;
     }
 
     tfm = crypto_alloc_skcipher(driver, type, mask);
     if (IS_ERR(tfm)) {
         pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
                driver, PTR_ERR(tfm));
         return PTR_ERR(tfm);
     }
     driver = crypto_skcipher_driver_name(tfm);
 
     req = skcipher_request_alloc(tfm, GFP_KERNEL);
     if (!req) {
         pr_err("alg: skcipher: failed to allocate request for %s\n",
                driver);
         err = -ENOMEM;
         goto out;
     }
 
     tsgls = alloc_cipher_test_sglists();
     if (!tsgls) {
         pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
                driver);
         err = -ENOMEM;
         goto out;
     }
 
     err = test_skcipher(ENCRYPT, suite, req, tsgls);
     if (err)
         goto out;
 
     err = test_skcipher(DECRYPT, suite, req, tsgls);
     if (err)
         goto out;
 
     err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
 out:
     free_cipher_test_sglists(tsgls);
     skcipher_request_free(req);
     crypto_free_skcipher(tfm);
     return err;
 }
 
 static int test_comp(struct crypto_comp *tfm,
              const struct comp_testvec *ctemplate,
              const struct comp_testvec *dtemplate,
              int ctcount, int dtcount)
 {
     const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
     char *output, *decomp_output;
     unsigned int i;
     int ret;
 
     output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
     if (!output)
         return -ENOMEM;
 
     decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
     if (!decomp_output) {
         kfree(output);
         return -ENOMEM;
     }
 
     for (i = 0; i < ctcount; i++) {
         int ilen;
         unsigned int dlen = COMP_BUF_SIZE;
 
         memset(output, 0, COMP_BUF_SIZE);
         memset(decomp_output, 0, COMP_BUF_SIZE);
 
         ilen = ctemplate[i].inlen;
         ret = crypto_comp_compress(tfm, ctemplate[i].input,
                        ilen, output, &dlen);
         if (ret) {
             printk(KERN_ERR "alg: comp: compression failed "
                    "on test %d for %s: ret=%d\n", i + 1, algo,
                    -ret);
             goto out;
         }
 
         ilen = dlen;
         dlen = COMP_BUF_SIZE;
         ret = crypto_comp_decompress(tfm, output,
                          ilen, decomp_output, &dlen);
         if (ret) {
             pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
                    i + 1, algo, -ret);
             goto out;
         }
 
         if (dlen != ctemplate[i].inlen) {
             printk(KERN_ERR "alg: comp: Compression test %d "
                    "failed for %s: output len = %d\n", i + 1, algo,
                    dlen);
             ret = -EINVAL;
             goto out;
         }
 
         if (memcmp(decomp_output, ctemplate[i].input,
                ctemplate[i].inlen)) {
             pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
                    i + 1, algo);
             hexdump(decomp_output, dlen);
             ret = -EINVAL;
             goto out;
         }
     }
 
     for (i = 0; i < dtcount; i++) {
         int ilen;
         unsigned int dlen = COMP_BUF_SIZE;
 
         memset(decomp_output, 0, COMP_BUF_SIZE);
 
         ilen = dtemplate[i].inlen;
         ret = crypto_comp_decompress(tfm, dtemplate[i].input,
                          ilen, decomp_output, &dlen);
         if (ret) {
             printk(KERN_ERR "alg: comp: decompression failed "
                    "on test %d for %s: ret=%d\n", i + 1, algo,
                    -ret);
             goto out;
         }
 
         if (dlen != dtemplate[i].outlen) {
             printk(KERN_ERR "alg: comp: Decompression test %d "
                    "failed for %s: output len = %d\n", i + 1, algo,
                    dlen);
             ret = -EINVAL;
             goto out;
         }
 
         if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
             printk(KERN_ERR "alg: comp: Decompression test %d "
                    "failed for %s\n", i + 1, algo);
             hexdump(decomp_output, dlen);
             ret = -EINVAL;
             goto out;
         }
     }
 
     ret = 0;
 
 out:
     kfree(decomp_output);
     kfree(output);
     return ret;
 }
 
 static int test_acomp(struct crypto_acomp *tfm,
                   const struct comp_testvec *ctemplate,
               const struct comp_testvec *dtemplate,
               int ctcount, int dtcount)
 {
     const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
     unsigned int i;
     char *output, *decomp_out;
     int ret;
     struct scatterlist src, dst;
     struct acomp_req *req;
     struct crypto_wait wait;
 
     output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
     if (!output)
         return -ENOMEM;
 
     decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
     if (!decomp_out) {
         kfree(output);
         return -ENOMEM;
     }
 
     for (i = 0; i < ctcount; i++) {
         unsigned int dlen = COMP_BUF_SIZE;
         int ilen = ctemplate[i].inlen;
         void *input_vec;
 
         input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
         if (!input_vec) {
             ret = -ENOMEM;
             goto out;
         }
 
         memset(output, 0, dlen);
         crypto_init_wait(&wait);
         sg_init_one(&src, input_vec, ilen);
         sg_init_one(&dst, output, dlen);
 
         req = acomp_request_alloc(tfm);
         if (!req) {
             pr_err("alg: acomp: request alloc failed for %s\n",
                    algo);
             kfree(input_vec);
             ret = -ENOMEM;
             goto out;
         }
 
         acomp_request_set_params(req, &src, &dst, ilen, dlen);
         acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
                        crypto_req_done, &wait);
 
         ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
         if (ret) {
             pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
                    i + 1, algo, -ret);
             kfree(input_vec);
             acomp_request_free(req);
             goto out;
         }
 
         ilen = req->dlen;
         dlen = COMP_BUF_SIZE;
         sg_init_one(&src, output, ilen);
         sg_init_one(&dst, decomp_out, dlen);
         crypto_init_wait(&wait);
         acomp_request_set_params(req, &src, &dst, ilen, dlen);
 
         ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
         if (ret) {
             pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
                    i + 1, algo, -ret);
             kfree(input_vec);
             acomp_request_free(req);
             goto out;
         }
 
         if (req->dlen != ctemplate[i].inlen) {
             pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
                    i + 1, algo, req->dlen);
             ret = -EINVAL;
             kfree(input_vec);
             acomp_request_free(req);
             goto out;
         }
 
         if (memcmp(input_vec, decomp_out, req->dlen)) {
             pr_err("alg: acomp: Compression test %d failed for %s\n",
                    i + 1, algo);
             hexdump(output, req->dlen);
             ret = -EINVAL;
             kfree(input_vec);
             acomp_request_free(req);
             goto out;
         }
 
         kfree(input_vec);
         acomp_request_free(req);
     }
 
     for (i = 0; i < dtcount; i++) {
         unsigned int dlen = COMP_BUF_SIZE;
         int ilen = dtemplate[i].inlen;
         void *input_vec;
 
         input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
         if (!input_vec) {
             ret = -ENOMEM;
             goto out;
         }
 
         memset(output, 0, dlen);
         crypto_init_wait(&wait);
         sg_init_one(&src, input_vec, ilen);
         sg_init_one(&dst, output, dlen);
 
         req = acomp_request_alloc(tfm);
         if (!req) {
             pr_err("alg: acomp: request alloc failed for %s\n",
                    algo);
             kfree(input_vec);
             ret = -ENOMEM;
             goto out;
         }
 
         acomp_request_set_params(req, &src, &dst, ilen, dlen);
         acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
                        crypto_req_done, &wait);
 
         ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
         if (ret) {
             pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
                    i + 1, algo, -ret);
             kfree(input_vec);
             acomp_request_free(req);
             goto out;
         }
 
         if (req->dlen != dtemplate[i].outlen) {
             pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
                    i + 1, algo, req->dlen);
             ret = -EINVAL;
             kfree(input_vec);
             acomp_request_free(req);
             goto out;
         }
 
         if (memcmp(output, dtemplate[i].output, req->dlen)) {
             pr_err("alg: acomp: Decompression test %d failed for %s\n",
                    i + 1, algo);
             hexdump(output, req->dlen);
             ret = -EINVAL;
             kfree(input_vec);
             acomp_request_free(req);
             goto out;
         }
 
         kfree(input_vec);
         acomp_request_free(req);
     }
 
     ret = 0;
 
 out:
     kfree(decomp_out);
     kfree(output);
     return ret;
 }
 
 static int test_cprng(struct crypto_rng *tfm,
               const struct cprng_testvec *template,
               unsigned int tcount)
 {
     const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
     int err = 0, i, j, seedsize;
     u8 *seed;
     char result[32];
 
     seedsize = crypto_rng_seedsize(tfm);
 
     seed = kmalloc(seedsize, GFP_KERNEL);
     if (!seed) {
         printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
                "for %s\n", algo);
         return -ENOMEM;
     }
 
     for (i = 0; i < tcount; i++) {
         memset(result, 0, 32);
 
         memcpy(seed, template[i].v, template[i].vlen);
         memcpy(seed + template[i].vlen, template[i].key,
                template[i].klen);
         memcpy(seed + template[i].vlen + template[i].klen,
                template[i].dt, template[i].dtlen);
 
         err = crypto_rng_reset(tfm, seed, seedsize);
         if (err) {
             printk(KERN_ERR "alg: cprng: Failed to reset rng "
                    "for %s\n", algo);
             goto out;
         }
 
         for (j = 0; j < template[i].loops; j++) {
             err = crypto_rng_get_bytes(tfm, result,
                            template[i].rlen);
             if (err < 0) {
                 printk(KERN_ERR "alg: cprng: Failed to obtain "
                        "the correct amount of random data for "
                        "%s (requested %d)\n", algo,
                        template[i].rlen);
                 goto out;
             }
         }
 
         err = memcmp(result, template[i].result,
                  template[i].rlen);
         if (err) {
             printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
                    i, algo);
             hexdump(result, template[i].rlen);
             err = -EINVAL;
             goto out;
         }
     }
 
 out:
     kfree(seed);
     return err;
 }
 
 static int alg_test_cipher(const struct alg_test_desc *desc,
                const char *driver, u32 type, u32 mask)
 {
     const struct cipher_test_suite *suite = &desc->suite.cipher;
     struct crypto_cipher *tfm;
     int err;
 
     tfm = crypto_alloc_cipher(driver, type, mask);
     if (IS_ERR(tfm)) {
         printk(KERN_ERR "alg: cipher: Failed to load transform for "
                "%s: %ld\n", driver, PTR_ERR(tfm));
         return PTR_ERR(tfm);
     }
 
     err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
     if (!err)
         err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
 
     crypto_free_cipher(tfm);
     return err;
 }
 
 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
              u32 type, u32 mask)
 {
     struct crypto_comp *comp;
     struct crypto_acomp *acomp;
     int err;
     u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
 
     if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
         acomp = crypto_alloc_acomp(driver, type, mask);
         if (IS_ERR(acomp)) {
             pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
                    driver, PTR_ERR(acomp));
             return PTR_ERR(acomp);
         }
         err = test_acomp(acomp, desc->suite.comp.comp.vecs,
                  desc->suite.comp.decomp.vecs,
                  desc->suite.comp.comp.count,
                  desc->suite.comp.decomp.count);
         crypto_free_acomp(acomp);
     } else {
         comp = crypto_alloc_comp(driver, type, mask);
         if (IS_ERR(comp)) {
             pr_err("alg: comp: Failed to load transform for %s: %ld\n",
                    driver, PTR_ERR(comp));
             return PTR_ERR(comp);
         }
 
         err = test_comp(comp, desc->suite.comp.comp.vecs,
                 desc->suite.comp.decomp.vecs,
                 desc->suite.comp.comp.count,
                 desc->suite.comp.decomp.count);
 
         crypto_free_comp(comp);
     }
     return err;
 }
 
 static int alg_test_crc32c(const struct alg_test_desc *desc,
                const char *driver, u32 type, u32 mask)
 {
     struct crypto_shash *tfm;
     __le32 val;
     int err;
 
     err = alg_test_hash(desc, driver, type, mask);
     if (err)
         return err;
 
     tfm = crypto_alloc_shash(driver, type, mask);
     if (IS_ERR(tfm)) {
         if (PTR_ERR(tfm) == -ENOENT) {
             /*
              * This crc32c implementation is only available through
              * ahash API, not the shash API, so the remaining part
              * of the test is not applicable to it.
              */
             return 0;
         }
         printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
                "%ld\n", driver, PTR_ERR(tfm));
         return PTR_ERR(tfm);
     }
     driver = crypto_shash_driver_name(tfm);
 
     do {
         SHASH_DESC_ON_STACK(shash, tfm);
         u32 *ctx = (u32 *)shash_desc_ctx(shash);
 
         shash->tfm = tfm;
 
         *ctx = 420553207;
         err = crypto_shash_final(shash, (u8 *)&val);
         if (err) {
             printk(KERN_ERR "alg: crc32c: Operation failed for "
                    "%s: %d\n", driver, err);
             break;
         }
 
         if (val != cpu_to_le32(~420553207)) {
             pr_err("alg: crc32c: Test failed for %s: %u\n",
                    driver, le32_to_cpu(val));
             err = -EINVAL;
         }
     } while (0);
 
     crypto_free_shash(tfm);
 
     return err;
 }
 
 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
               u32 type, u32 mask)
 {
     struct crypto_rng *rng;
     int err;
 
     rng = crypto_alloc_rng(driver, type, mask);
     if (IS_ERR(rng)) {
         printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
                "%ld\n", driver, PTR_ERR(rng));
         return PTR_ERR(rng);
     }
 
     err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
 
     crypto_free_rng(rng);
 
     return err;
 }
 
 
 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
               const char *driver, u32 type, u32 mask)
 {
     int ret = -EAGAIN;
     struct crypto_rng *drng;
     struct drbg_test_data test_data;
     struct drbg_string addtl, pers, testentropy;
     unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
 
     if (!buf)
         return -ENOMEM;
 
     drng = crypto_alloc_rng(driver, type, mask);
     if (IS_ERR(drng)) {
         printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
                "%s\n", driver);
         kfree_sensitive(buf);
         return -ENOMEM;
     }
 
     test_data.testentropy = &testentropy;
     drbg_string_fill(&testentropy, test->entropy, test->entropylen);
     drbg_string_fill(&pers, test->pers, test->perslen);
     ret = crypto_drbg_reset_test(drng, &pers, &test_data);
     if (ret) {
         printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
         goto outbuf;
     }
 
     drbg_string_fill(&addtl, test->addtla, test->addtllen);
     if (pr) {
         drbg_string_fill(&testentropy, test->entpra, test->entprlen);
         ret = crypto_drbg_get_bytes_addtl_test(drng,
             buf, test->expectedlen, &addtl, &test_data);
     } else {
         ret = crypto_drbg_get_bytes_addtl(drng,
             buf, test->expectedlen, &addtl);
     }
     if (ret < 0) {
         printk(KERN_ERR "alg: drbg: could not obtain random data for "
                "driver %s\n", driver);
         goto outbuf;
     }
 
     drbg_string_fill(&addtl, test->addtlb, test->addtllen);
     if (pr) {
         drbg_string_fill(&testentropy, test->entprb, test->entprlen);
         ret = crypto_drbg_get_bytes_addtl_test(drng,
             buf, test->expectedlen, &addtl, &test_data);
     } else {
         ret = crypto_drbg_get_bytes_addtl(drng,
             buf, test->expectedlen, &addtl);
     }
     if (ret < 0) {
         printk(KERN_ERR "alg: drbg: could not obtain random data for "
                "driver %s\n", driver);
         goto outbuf;
     }
 
     ret = memcmp(test->expected, buf, test->expectedlen);
 
 outbuf:
     crypto_free_rng(drng);
     kfree_sensitive(buf);
     return ret;
 }
 
 
 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
              u32 type, u32 mask)
 {
     int err = 0;
     int pr = 0;
     int i = 0;
     const struct drbg_testvec *template = desc->suite.drbg.vecs;
     unsigned int tcount = desc->suite.drbg.count;
 
     if (0 == memcmp(driver, "drbg_pr_", 8))
         pr = 1;
 
     for (i = 0; i < tcount; i++) {
         err = drbg_cavs_test(&template[i], pr, driver, type, mask);
         if (err) {
             printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
                    i, driver);
             err = -EINVAL;
             break;
         }
     }
     return err;
 
 }
 
 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
                const char *alg)
 {
     struct kpp_request *req;
     void *input_buf = NULL;
     void *output_buf = NULL;
     void *a_public = NULL;
     void *a_ss = NULL;
     void *shared_secret = NULL;
     struct crypto_wait wait;
     unsigned int out_len_max;
     int err = -ENOMEM;
     struct scatterlist src, dst;
 
     req = kpp_request_alloc(tfm, GFP_KERNEL);
     if (!req)
         return err;
 
     crypto_init_wait(&wait);
 
     err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
     if (err < 0)
         goto free_req;
 
     out_len_max = crypto_kpp_maxsize(tfm);
     output_buf = kzalloc(out_len_max, GFP_KERNEL);
     if (!output_buf) {
         err = -ENOMEM;
         goto free_req;
     }
 
     /* Use appropriate parameter as base */
     kpp_request_set_input(req, NULL, 0);
     sg_init_one(&dst, output_buf, out_len_max);
     kpp_request_set_output(req, &dst, out_len_max);
     kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
                  crypto_req_done, &wait);
 
     /* Compute party A's public key */
     err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
     if (err) {
         pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
                alg, err);
         goto free_output;
     }
 
     if (vec->genkey) {
         /* Save party A's public key */
         a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
         if (!a_public) {
             err = -ENOMEM;
             goto free_output;
         }
     } else {
         /* Verify calculated public key */
         if (memcmp(vec->expected_a_public, sg_virt(req->dst),
                vec->expected_a_public_size)) {
             pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
                    alg);
             err = -EINVAL;
             goto free_output;
         }
     }
 
     /* Calculate shared secret key by using counter part (b) public key. */
     input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
     if (!input_buf) {
         err = -ENOMEM;
         goto free_output;
     }
 
     sg_init_one(&src, input_buf, vec->b_public_size);
     sg_init_one(&dst, output_buf, out_len_max);
     kpp_request_set_input(req, &src, vec->b_public_size);
     kpp_request_set_output(req, &dst, out_len_max);
     kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
                  crypto_req_done, &wait);
     err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
     if (err) {
         pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
                alg, err);
         goto free_all;
     }
 
     if (vec->genkey) {
         /* Save the shared secret obtained by party A */
         a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
         if (!a_ss) {
             err = -ENOMEM;
             goto free_all;
         }
 
         /*
          * Calculate party B's shared secret by using party A's
          * public key.
          */
         err = crypto_kpp_set_secret(tfm, vec->b_secret,
                         vec->b_secret_size);
         if (err < 0)
             goto free_all;
 
         sg_init_one(&src, a_public, vec->expected_a_public_size);
         sg_init_one(&dst, output_buf, out_len_max);
         kpp_request_set_input(req, &src, vec->expected_a_public_size);
         kpp_request_set_output(req, &dst, out_len_max);
         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
                      crypto_req_done, &wait);
         err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
                       &wait);
         if (err) {
             pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
                    alg, err);
             goto free_all;
         }
 
         shared_secret = a_ss;
     } else {
         shared_secret = (void *)vec->expected_ss;
     }
 
     /*
      * verify shared secret from which the user will derive
      * secret key by executing whatever hash it has chosen
      */
     if (memcmp(shared_secret, sg_virt(req->dst),
            vec->expected_ss_size)) {
         pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
                alg);
         err = -EINVAL;
     }
 
 free_all:
     kfree(a_ss);
     kfree(input_buf);
 free_output:
     kfree(a_public);
     kfree(output_buf);
 free_req:
     kpp_request_free(req);
     return err;
 }
 
 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
             const struct kpp_testvec *vecs, unsigned int tcount)
 {
     int ret, i;
 
     for (i = 0; i < tcount; i++) {
         ret = do_test_kpp(tfm, vecs++, alg);
         if (ret) {
             pr_err("alg: %s: test failed on vector %d, err=%d\n",
                    alg, i + 1, ret);
             return ret;
         }
     }
     return 0;
 }
 
 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
             u32 type, u32 mask)
 {
     struct crypto_kpp *tfm;
     int err = 0;
 
     tfm = crypto_alloc_kpp(driver, type, mask);
     if (IS_ERR(tfm)) {
         pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
                driver, PTR_ERR(tfm));
         return PTR_ERR(tfm);
     }
     if (desc->suite.kpp.vecs)
         err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
                    desc->suite.kpp.count);
 
     crypto_free_kpp(tfm);
     return err;
 }
 
 static u8 *test_pack_u32(u8 *dst, u32 val)
 {
     memcpy(dst, &val, sizeof(val));
     return dst + sizeof(val);
 }
 
 static int test_akcipher_one(struct crypto_akcipher *tfm,
                  const struct akcipher_testvec *vecs)
 {
     char *xbuf[XBUFSIZE];
     struct akcipher_request *req;
     void *outbuf_enc = NULL;
     void *outbuf_dec = NULL;
     struct crypto_wait wait;
     unsigned int out_len_max, out_len = 0;
     int err = -ENOMEM;
     struct scatterlist src, dst, src_tab[3];
     const char *m, *c;
     unsigned int m_size, c_size;
     const char *op;
     u8 *key, *ptr;
 
     if (testmgr_alloc_buf(xbuf))
         return err;
 
     req = akcipher_request_alloc(tfm, GFP_KERNEL);
     if (!req)
         goto free_xbuf;
 
     crypto_init_wait(&wait);
 
     key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
               GFP_KERNEL);
     if (!key)
         goto free_req;
     memcpy(key, vecs->key, vecs->key_len);
     ptr = key + vecs->key_len;
     ptr = test_pack_u32(ptr, vecs->algo);
     ptr = test_pack_u32(ptr, vecs->param_len);
     memcpy(ptr, vecs->params, vecs->param_len);
 
     if (vecs->public_key_vec)
         err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
     else
         err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
     if (err)
         goto free_key;
 
     /*
      * First run test which do not require a private key, such as
      * encrypt or verify.
      */
     err = -ENOMEM;
     out_len_max = crypto_akcipher_maxsize(tfm);
     outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
     if (!outbuf_enc)
         goto free_key;
 
     if (!vecs->siggen_sigver_test) {
         m = vecs->m;
         m_size = vecs->m_size;
         c = vecs->c;
         c_size = vecs->c_size;
         op = "encrypt";
     } else {
         /* Swap args so we could keep plaintext (digest)
          * in vecs->m, and cooked signature in vecs->c.
          */
         m = vecs->c; /* signature */
         m_size = vecs->c_size;
         c = vecs->m; /* digest */
         c_size = vecs->m_size;
         op = "verify";
     }
 
     err = -E2BIG;
     if (WARN_ON(m_size > PAGE_SIZE))
         goto free_all;
     memcpy(xbuf[0], m, m_size);
 
     sg_init_table(src_tab, 3);
     sg_set_buf(&src_tab[0], xbuf[0], 8);
     sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
     if (vecs->siggen_sigver_test) {
         if (WARN_ON(c_size > PAGE_SIZE))
             goto free_all;
         memcpy(xbuf[1], c, c_size);
         sg_set_buf(&src_tab[2], xbuf[1], c_size);
         akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
     } else {
         sg_init_one(&dst, outbuf_enc, out_len_max);
         akcipher_request_set_crypt(req, src_tab, &dst, m_size,
                        out_len_max);
     }
     akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
                       crypto_req_done, &wait);
 
     err = crypto_wait_req(vecs->siggen_sigver_test ?
                   /* Run asymmetric signature verification */
                   crypto_akcipher_verify(req) :
                   /* Run asymmetric encrypt */
                   crypto_akcipher_encrypt(req), &wait);
     if (err) {
         pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
         goto free_all;
     }
     if (!vecs->siggen_sigver_test && c) {
         if (req->dst_len != c_size) {
             pr_err("alg: akcipher: %s test failed. Invalid output len\n",
                    op);
             err = -EINVAL;
             goto free_all;
         }
         /* verify that encrypted message is equal to expected */
         if (memcmp(c, outbuf_enc, c_size) != 0) {
             pr_err("alg: akcipher: %s test failed. Invalid output\n",
                    op);
             hexdump(outbuf_enc, c_size);
             err = -EINVAL;
             goto free_all;
         }
     }
 
     /*
      * Don't invoke (decrypt or sign) test which require a private key
      * for vectors with only a public key.
      */
     if (vecs->public_key_vec) {
         err = 0;
         goto free_all;
     }
     outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
     if (!outbuf_dec) {
         err = -ENOMEM;
         goto free_all;
     }
 
     if (!vecs->siggen_sigver_test && !c) {
         c = outbuf_enc;
         c_size = req->dst_len;
     }
 
     err = -E2BIG;
     op = vecs->siggen_sigver_test ? "sign" : "decrypt";
     if (WARN_ON(c_size > PAGE_SIZE))
         goto free_all;
     memcpy(xbuf[0], c, c_size);
 
     sg_init_one(&src, xbuf[0], c_size);
     sg_init_one(&dst, outbuf_dec, out_len_max);
     crypto_init_wait(&wait);
     akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
 
     err = crypto_wait_req(vecs->siggen_sigver_test ?
                   /* Run asymmetric signature generation */
                   crypto_akcipher_sign(req) :
                   /* Run asymmetric decrypt */
                   crypto_akcipher_decrypt(req), &wait);
     if (err) {
         pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
         goto free_all;
     }
     out_len = req->dst_len;
     if (out_len < m_size) {
         pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
                op, out_len);
         err = -EINVAL;
         goto free_all;
     }
     /* verify that decrypted message is equal to the original msg */
     if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
         memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
         pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
         hexdump(outbuf_dec, out_len);
         err = -EINVAL;
     }
 free_all:
     kfree(outbuf_dec);
     kfree(outbuf_enc);
 free_key:
     kfree(key);
 free_req:
     akcipher_request_free(req);
 free_xbuf:
     testmgr_free_buf(xbuf);
     return err;
 }
 
 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
              const struct akcipher_testvec *vecs,
              unsigned int tcount)
 {
     const char *algo =
         crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
     int ret, i;
 
     for (i = 0; i < tcount; i++) {
         ret = test_akcipher_one(tfm, vecs++);
         if (!ret)
             continue;
 
         pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
                i + 1, algo, ret);
         return ret;
     }
     return 0;
 }
 
 static int alg_test_akcipher(const struct alg_test_desc *desc,
                  const char *driver, u32 type, u32 mask)
 {
     struct crypto_akcipher *tfm;
     int err = 0;
 
     tfm = crypto_alloc_akcipher(driver, type, mask);
     if (IS_ERR(tfm)) {
         pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
                driver, PTR_ERR(tfm));
         return PTR_ERR(tfm);
     }
     if (desc->suite.akcipher.vecs)
         err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
                     desc->suite.akcipher.count);
 
     crypto_free_akcipher(tfm);
     return err;
 }
 
 static int alg_test_null(const struct alg_test_desc *desc,
                  const char *driver, u32 type, u32 mask)
 {
     return 0;
 }
 
 #define ____VECS(tv)    .vecs = tv, .count = ARRAY_SIZE(tv)
 #define __VECS(tv)  { ____VECS(tv) }
 
 /* Please keep this list sorted by algorithm name. */
 static const struct alg_test_desc alg_test_descs[] = {
     {
         .alg = "adiantum(xchacha12,aes)",
         .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
         },
     }, {
         .alg = "adiantum(xchacha20,aes)",
         .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
         },
     }, {
         .alg = "aegis128",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(aegis128_tv_template)
         }
     }, {
         .alg = "ansi_cprng",
         .test = alg_test_cprng,
         .suite = {
             .cprng = __VECS(ansi_cprng_aes_tv_template)
         }
     }, {
         .alg = "authenc(hmac(md5),ecb(cipher_null))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
         }
     }, {
         .alg = "authenc(hmac(sha1),cbc(aes))",
         .test = alg_test_aead,
         .fips_allowed = 1,
         .suite = {
             .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha1),cbc(des))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha1),cbc(des3_ede))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha1),ctr(aes))",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "authenc(hmac(sha1),ecb(cipher_null))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "authenc(hmac(sha224),cbc(des))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha224),cbc(des3_ede))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha256),cbc(aes))",
         .test = alg_test_aead,
         .fips_allowed = 1,
         .suite = {
             .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha256),cbc(des))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha256),cbc(des3_ede))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha256),ctr(aes))",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "authenc(hmac(sha384),cbc(des))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha384),cbc(des3_ede))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha384),ctr(aes))",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "authenc(hmac(sha512),cbc(aes))",
         .fips_allowed = 1,
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha512),cbc(des))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha512),cbc(des3_ede))",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
         }
     }, {
         .alg = "authenc(hmac(sha512),ctr(aes))",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "blake2b-160",
         .test = alg_test_hash,
         .fips_allowed = 0,
         .suite = {
             .hash = __VECS(blake2b_160_tv_template)
         }
     }, {
         .alg = "blake2b-256",
         .test = alg_test_hash,
         .fips_allowed = 0,
         .suite = {
             .hash = __VECS(blake2b_256_tv_template)
         }
     }, {
         .alg = "blake2b-384",
         .test = alg_test_hash,
         .fips_allowed = 0,
         .suite = {
             .hash = __VECS(blake2b_384_tv_template)
         }
     }, {
         .alg = "blake2b-512",
         .test = alg_test_hash,
         .fips_allowed = 0,
         .suite = {
             .hash = __VECS(blake2b_512_tv_template)
         }
     }, {
         .alg = "cbc(aes)",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(aes_cbc_tv_template)
         },
     }, {
         .alg = "cbc(anubis)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(anubis_cbc_tv_template)
         },
     }, {
         .alg = "cbc(aria)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aria_cbc_tv_template)
         },
     }, {
         .alg = "cbc(blowfish)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(bf_cbc_tv_template)
         },
     }, {
         .alg = "cbc(camellia)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(camellia_cbc_tv_template)
         },
     }, {
         .alg = "cbc(cast5)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(cast5_cbc_tv_template)
         },
     }, {
         .alg = "cbc(cast6)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(cast6_cbc_tv_template)
         },
     }, {
         .alg = "cbc(des)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(des_cbc_tv_template)
         },
     }, {
         .alg = "cbc(des3_ede)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(des3_ede_cbc_tv_template)
         },
     }, {
         /* Same as cbc(aes) except the key is stored in
          * hardware secure memory which we reference by index
          */
         .alg = "cbc(paes)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         /* Same as cbc(sm4) except the key is stored in
          * hardware secure memory which we reference by index
          */
         .alg = "cbc(psm4)",
         .test = alg_test_null,
     }, {
         .alg = "cbc(serpent)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(serpent_cbc_tv_template)
         },
     }, {
         .alg = "cbc(sm4)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(sm4_cbc_tv_template)
         }
     }, {
         .alg = "cbc(twofish)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(tf_cbc_tv_template)
         },
     }, {
 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
         .alg = "cbc-paes-s390",
         .fips_allowed = 1,
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aes_cbc_tv_template)
         }
     }, {
 #endif
         .alg = "cbcmac(aes)",
         .fips_allowed = 1,
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(aes_cbcmac_tv_template)
         }
     }, {
         .alg = "cbcmac(sm4)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(sm4_cbcmac_tv_template)
         }
     }, {
         .alg = "ccm(aes)",
         .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
         .test = alg_test_aead,
         .fips_allowed = 1,
         .suite = {
             .aead = {
                 ____VECS(aes_ccm_tv_template),
                 .einval_allowed = 1,
             }
         }
     }, {
         .alg = "ccm(sm4)",
         .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
         .test = alg_test_aead,
         .suite = {
             .aead = {
                 ____VECS(sm4_ccm_tv_template),
                 .einval_allowed = 1,
             }
         }
     }, {
         .alg = "cfb(aes)",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(aes_cfb_tv_template)
         },
     }, {
         .alg = "cfb(aria)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aria_cfb_tv_template)
         },
     }, {
         .alg = "cfb(sm4)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(sm4_cfb_tv_template)
         }
     }, {
         .alg = "chacha20",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(chacha20_tv_template)
         },
     }, {
         .alg = "cmac(aes)",
         .fips_allowed = 1,
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(aes_cmac128_tv_template)
         }
     }, {
         .alg = "cmac(des3_ede)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(des3_ede_cmac64_tv_template)
         }
     }, {
         .alg = "cmac(sm4)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(sm4_cmac128_tv_template)
         }
     }, {
         .alg = "compress_null",
         .test = alg_test_null,
     }, {
         .alg = "crc32",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(crc32_tv_template)
         }
     }, {
         .alg = "crc32c",
         .test = alg_test_crc32c,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(crc32c_tv_template)
         }
     }, {
         .alg = "crc64-rocksoft",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(crc64_rocksoft_tv_template)
         }
     }, {
         .alg = "crct10dif",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(crct10dif_tv_template)
         }
     }, {
         .alg = "ctr(aes)",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(aes_ctr_tv_template)
         }
     }, {
         .alg = "ctr(aria)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aria_ctr_tv_template)
         }
     }, {
         .alg = "ctr(blowfish)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(bf_ctr_tv_template)
         }
     }, {
         .alg = "ctr(camellia)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(camellia_ctr_tv_template)
         }
     }, {
         .alg = "ctr(cast5)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(cast5_ctr_tv_template)
         }
     }, {
         .alg = "ctr(cast6)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(cast6_ctr_tv_template)
         }
     }, {
         .alg = "ctr(des)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(des_ctr_tv_template)
         }
     }, {
         .alg = "ctr(des3_ede)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(des3_ede_ctr_tv_template)
         }
     }, {
         /* Same as ctr(aes) except the key is stored in
          * hardware secure memory which we reference by index
          */
         .alg = "ctr(paes)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
 
         /* Same as ctr(sm4) except the key is stored in
          * hardware secure memory which we reference by index
          */
         .alg = "ctr(psm4)",
         .test = alg_test_null,
     }, {
         .alg = "ctr(serpent)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(serpent_ctr_tv_template)
         }
     }, {
         .alg = "ctr(sm4)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(sm4_ctr_tv_template)
         }
     }, {
         .alg = "ctr(twofish)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(tf_ctr_tv_template)
         }
     }, {
 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
         .alg = "ctr-paes-s390",
         .fips_allowed = 1,
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aes_ctr_tv_template)
         }
     }, {
 #endif
         .alg = "cts(cbc(aes))",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(cts_mode_tv_template)
         }
     }, {
         /* Same as cts(cbc((aes)) except the key is stored in
          * hardware secure memory which we reference by index
          */
         .alg = "cts(cbc(paes))",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "curve25519",
         .test = alg_test_kpp,
         .suite = {
             .kpp = __VECS(curve25519_tv_template)
         }
     }, {
         .alg = "deflate",
         .test = alg_test_comp,
         .fips_allowed = 1,
         .suite = {
             .comp = {
                 .comp = __VECS(deflate_comp_tv_template),
                 .decomp = __VECS(deflate_decomp_tv_template)
             }
         }
     }, {
         .alg = "dh",
         .test = alg_test_kpp,
         .suite = {
             .kpp = __VECS(dh_tv_template)
         }
     }, {
         .alg = "digest_null",
         .test = alg_test_null,
     }, {
         .alg = "drbg_nopr_ctr_aes128",
         .test = alg_test_drbg,
         .fips_allowed = 1,
         .suite = {
             .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
         }
     }, {
         .alg = "drbg_nopr_ctr_aes192",
         .test = alg_test_drbg,
         .fips_allowed = 1,
         .suite = {
             .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
         }
     }, {
         .alg = "drbg_nopr_ctr_aes256",
         .test = alg_test_drbg,
         .fips_allowed = 1,
         .suite = {
             .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
         }
     }, {
         /*
          * There is no need to specifically test the DRBG with every
          * backend cipher -- covered by drbg_nopr_hmac_sha256 test
          */
         .alg = "drbg_nopr_hmac_sha1",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_nopr_hmac_sha256",
         .test = alg_test_drbg,
         .fips_allowed = 1,
         .suite = {
             .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
         }
     }, {
         /* covered by drbg_nopr_hmac_sha256 test */
         .alg = "drbg_nopr_hmac_sha384",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_nopr_hmac_sha512",
         .test = alg_test_drbg,
         .fips_allowed = 1,
         .suite = {
             .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
         }
     }, {
         .alg = "drbg_nopr_sha1",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_nopr_sha256",
         .test = alg_test_drbg,
         .fips_allowed = 1,
         .suite = {
             .drbg = __VECS(drbg_nopr_sha256_tv_template)
         }
     }, {
         /* covered by drbg_nopr_sha256 test */
         .alg = "drbg_nopr_sha384",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_nopr_sha512",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_pr_ctr_aes128",
         .test = alg_test_drbg,
         .fips_allowed = 1,
         .suite = {
             .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
         }
     }, {
         /* covered by drbg_pr_ctr_aes128 test */
         .alg = "drbg_pr_ctr_aes192",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_pr_ctr_aes256",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_pr_hmac_sha1",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_pr_hmac_sha256",
         .test = alg_test_drbg,
         .fips_allowed = 1,
         .suite = {
             .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
         }
     }, {
         /* covered by drbg_pr_hmac_sha256 test */
         .alg = "drbg_pr_hmac_sha384",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_pr_hmac_sha512",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "drbg_pr_sha1",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_pr_sha256",
         .test = alg_test_drbg,
         .fips_allowed = 1,
         .suite = {
             .drbg = __VECS(drbg_pr_sha256_tv_template)
         }
     }, {
         /* covered by drbg_pr_sha256 test */
         .alg = "drbg_pr_sha384",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "drbg_pr_sha512",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "ecb(aes)",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(aes_tv_template)
         }
     }, {
         .alg = "ecb(anubis)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(anubis_tv_template)
         }
     }, {
         .alg = "ecb(arc4)",
         .generic_driver = "ecb(arc4)-generic",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(arc4_tv_template)
         }
     }, {
         .alg = "ecb(aria)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aria_tv_template)
         }
     }, {
         .alg = "ecb(blowfish)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(bf_tv_template)
         }
     }, {
         .alg = "ecb(camellia)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(camellia_tv_template)
         }
     }, {
         .alg = "ecb(cast5)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(cast5_tv_template)
         }
     }, {
         .alg = "ecb(cast6)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(cast6_tv_template)
         }
     }, {
         .alg = "ecb(cipher_null)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "ecb(des)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(des_tv_template)
         }
     }, {
         .alg = "ecb(des3_ede)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(des3_ede_tv_template)
         }
     }, {
         .alg = "ecb(fcrypt)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = {
                 .vecs = fcrypt_pcbc_tv_template,
                 .count = 1
             }
         }
     }, {
         .alg = "ecb(khazad)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(khazad_tv_template)
         }
     }, {
         /* Same as ecb(aes) except the key is stored in
          * hardware secure memory which we reference by index
          */
         .alg = "ecb(paes)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "ecb(seed)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(seed_tv_template)
         }
     }, {
         .alg = "ecb(serpent)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(serpent_tv_template)
         }
     }, {
         .alg = "ecb(sm4)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(sm4_tv_template)
         }
     }, {
         .alg = "ecb(tea)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(tea_tv_template)
         }
     }, {
         .alg = "ecb(twofish)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(tf_tv_template)
         }
     }, {
         .alg = "ecb(xeta)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(xeta_tv_template)
         }
     }, {
         .alg = "ecb(xtea)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(xtea_tv_template)
         }
     }, {
 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
         .alg = "ecb-paes-s390",
         .fips_allowed = 1,
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aes_tv_template)
         }
     }, {
 #endif
         .alg = "ecdh-nist-p192",
         .test = alg_test_kpp,
         .suite = {
             .kpp = __VECS(ecdh_p192_tv_template)
         }
     }, {
         .alg = "ecdh-nist-p256",
         .test = alg_test_kpp,
         .fips_allowed = 1,
         .suite = {
             .kpp = __VECS(ecdh_p256_tv_template)
         }
     }, {
         .alg = "ecdh-nist-p384",
         .test = alg_test_kpp,
         .fips_allowed = 1,
         .suite = {
             .kpp = __VECS(ecdh_p384_tv_template)
         }
     }, {
         .alg = "ecdsa-nist-p192",
         .test = alg_test_akcipher,
         .suite = {
             .akcipher = __VECS(ecdsa_nist_p192_tv_template)
         }
     }, {
         .alg = "ecdsa-nist-p256",
         .test = alg_test_akcipher,
         .suite = {
             .akcipher = __VECS(ecdsa_nist_p256_tv_template)
         }
     }, {
         .alg = "ecdsa-nist-p384",
         .test = alg_test_akcipher,
         .suite = {
             .akcipher = __VECS(ecdsa_nist_p384_tv_template)
         }
     }, {
         .alg = "ecrdsa",
         .test = alg_test_akcipher,
         .suite = {
             .akcipher = __VECS(ecrdsa_tv_template)
         }
     }, {
         .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
         .test = alg_test_aead,
         .fips_allowed = 1,
         .suite = {
             .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
         }
     }, {
         .alg = "essiv(cbc(aes),sha256)",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(essiv_aes_cbc_tv_template)
         }
     }, {
 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
         .alg = "ffdhe2048(dh)",
         .test = alg_test_kpp,
         .fips_allowed = 1,
         .suite = {
             .kpp = __VECS(ffdhe2048_dh_tv_template)
         }
     }, {
         .alg = "ffdhe3072(dh)",
         .test = alg_test_kpp,
         .fips_allowed = 1,
         .suite = {
             .kpp = __VECS(ffdhe3072_dh_tv_template)
         }
     }, {
         .alg = "ffdhe4096(dh)",
         .test = alg_test_kpp,
         .fips_allowed = 1,
         .suite = {
             .kpp = __VECS(ffdhe4096_dh_tv_template)
         }
     }, {
         .alg = "ffdhe6144(dh)",
         .test = alg_test_kpp,
         .fips_allowed = 1,
         .suite = {
             .kpp = __VECS(ffdhe6144_dh_tv_template)
         }
     }, {
         .alg = "ffdhe8192(dh)",
         .test = alg_test_kpp,
         .fips_allowed = 1,
         .suite = {
             .kpp = __VECS(ffdhe8192_dh_tv_template)
         }
     }, {
 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
         .alg = "gcm(aes)",
         .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
         .test = alg_test_aead,
         .fips_allowed = 1,
         .suite = {
             .aead = __VECS(aes_gcm_tv_template)
         }
     }, {
         .alg = "gcm(aria)",
         .generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(aria_gcm_tv_template)
         }
     }, {
         .alg = "gcm(sm4)",
         .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(sm4_gcm_tv_template)
         }
     }, {
         .alg = "ghash",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(ghash_tv_template)
         }
     }, {
         .alg = "hctr2(aes)",
         .generic_driver =
             "hctr2_base(xctr(aes-generic),polyval-generic)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aes_hctr2_tv_template)
         }
     }, {
         .alg = "hmac(md5)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(hmac_md5_tv_template)
         }
     }, {
         .alg = "hmac(rmd160)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(hmac_rmd160_tv_template)
         }
     }, {
         .alg = "hmac(sha1)",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(hmac_sha1_tv_template)
         }
     }, {
         .alg = "hmac(sha224)",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(hmac_sha224_tv_template)
         }
     }, {
         .alg = "hmac(sha256)",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(hmac_sha256_tv_template)
         }
     }, {
         .alg = "hmac(sha3-224)",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(hmac_sha3_224_tv_template)
         }
     }, {
         .alg = "hmac(sha3-256)",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(hmac_sha3_256_tv_template)
         }
     }, {
         .alg = "hmac(sha3-384)",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(hmac_sha3_384_tv_template)
         }
     }, {
         .alg = "hmac(sha3-512)",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(hmac_sha3_512_tv_template)
         }
     }, {
         .alg = "hmac(sha384)",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(hmac_sha384_tv_template)
         }
     }, {
         .alg = "hmac(sha512)",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(hmac_sha512_tv_template)
         }
     }, {
         .alg = "hmac(sm3)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(hmac_sm3_tv_template)
         }
     }, {
         .alg = "hmac(streebog256)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(hmac_streebog256_tv_template)
         }
     }, {
         .alg = "hmac(streebog512)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(hmac_streebog512_tv_template)
         }
     }, {
         .alg = "jitterentropy_rng",
         .fips_allowed = 1,
         .test = alg_test_null,
     }, {
         .alg = "kw(aes)",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(aes_kw_tv_template)
         }
     }, {
         .alg = "lrw(aes)",
         .generic_driver = "lrw(ecb(aes-generic))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aes_lrw_tv_template)
         }
     }, {
         .alg = "lrw(camellia)",
         .generic_driver = "lrw(ecb(camellia-generic))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(camellia_lrw_tv_template)
         }
     }, {
         .alg = "lrw(cast6)",
         .generic_driver = "lrw(ecb(cast6-generic))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(cast6_lrw_tv_template)
         }
     }, {
         .alg = "lrw(serpent)",
         .generic_driver = "lrw(ecb(serpent-generic))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(serpent_lrw_tv_template)
         }
     }, {
         .alg = "lrw(twofish)",
         .generic_driver = "lrw(ecb(twofish-generic))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(tf_lrw_tv_template)
         }
     }, {
         .alg = "lz4",
         .test = alg_test_comp,
         .fips_allowed = 1,
         .suite = {
             .comp = {
                 .comp = __VECS(lz4_comp_tv_template),
                 .decomp = __VECS(lz4_decomp_tv_template)
             }
         }
     }, {
         .alg = "lz4hc",
         .test = alg_test_comp,
         .fips_allowed = 1,
         .suite = {
             .comp = {
                 .comp = __VECS(lz4hc_comp_tv_template),
                 .decomp = __VECS(lz4hc_decomp_tv_template)
             }
         }
     }, {
         .alg = "lzo",
         .test = alg_test_comp,
         .fips_allowed = 1,
         .suite = {
             .comp = {
                 .comp = __VECS(lzo_comp_tv_template),
                 .decomp = __VECS(lzo_decomp_tv_template)
             }
         }
     }, {
         .alg = "lzo-rle",
         .test = alg_test_comp,
         .fips_allowed = 1,
         .suite = {
             .comp = {
                 .comp = __VECS(lzorle_comp_tv_template),
                 .decomp = __VECS(lzorle_decomp_tv_template)
             }
         }
     }, {
         .alg = "md4",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(md4_tv_template)
         }
     }, {
         .alg = "md5",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(md5_tv_template)
         }
     }, {
         .alg = "michael_mic",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(michael_mic_tv_template)
         }
     }, {
         .alg = "nhpoly1305",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(nhpoly1305_tv_template)
         }
     }, {
         .alg = "ofb(aes)",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(aes_ofb_tv_template)
         }
     }, {
         /* Same as ofb(aes) except the key is stored in
          * hardware secure memory which we reference by index
          */
         .alg = "ofb(paes)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "ofb(sm4)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(sm4_ofb_tv_template)
         }
     }, {
         .alg = "pcbc(fcrypt)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(fcrypt_pcbc_tv_template)
         }
     }, {
         .alg = "pkcs1pad(rsa,sha224)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "pkcs1pad(rsa,sha256)",
         .test = alg_test_akcipher,
         .fips_allowed = 1,
         .suite = {
             .akcipher = __VECS(pkcs1pad_rsa_tv_template)
         }
     }, {
         .alg = "pkcs1pad(rsa,sha384)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "pkcs1pad(rsa,sha512)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "poly1305",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(poly1305_tv_template)
         }
     }, {
         .alg = "polyval",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(polyval_tv_template)
         }
     }, {
         .alg = "rfc3686(ctr(aes))",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(aes_ctr_rfc3686_tv_template)
         }
     }, {
         .alg = "rfc3686(ctr(sm4))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
         }
     }, {
         .alg = "rfc4106(gcm(aes))",
         .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
         .test = alg_test_aead,
         .fips_allowed = 1,
         .suite = {
             .aead = {
                 ____VECS(aes_gcm_rfc4106_tv_template),
                 .einval_allowed = 1,
                 .aad_iv = 1,
             }
         }
     }, {
         .alg = "rfc4309(ccm(aes))",
         .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
         .test = alg_test_aead,
         .fips_allowed = 1,
         .suite = {
             .aead = {
                 ____VECS(aes_ccm_rfc4309_tv_template),
                 .einval_allowed = 1,
                 .aad_iv = 1,
             }
         }
     }, {
         .alg = "rfc4543(gcm(aes))",
         .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
         .test = alg_test_aead,
         .suite = {
             .aead = {
                 ____VECS(aes_gcm_rfc4543_tv_template),
                 .einval_allowed = 1,
                 .aad_iv = 1,
             }
         }
     }, {
         .alg = "rfc7539(chacha20,poly1305)",
         .test = alg_test_aead,
         .suite = {
             .aead = __VECS(rfc7539_tv_template)
         }
     }, {
         .alg = "rfc7539esp(chacha20,poly1305)",
         .test = alg_test_aead,
         .suite = {
             .aead = {
                 ____VECS(rfc7539esp_tv_template),
                 .einval_allowed = 1,
                 .aad_iv = 1,
             }
         }
     }, {
         .alg = "rmd160",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(rmd160_tv_template)
         }
     }, {
         .alg = "rsa",
         .test = alg_test_akcipher,
         .fips_allowed = 1,
         .suite = {
             .akcipher = __VECS(rsa_tv_template)
         }
     }, {
         .alg = "sha1",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(sha1_tv_template)
         }
     }, {
         .alg = "sha224",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(sha224_tv_template)
         }
     }, {
         .alg = "sha256",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(sha256_tv_template)
         }
     }, {
         .alg = "sha3-224",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(sha3_224_tv_template)
         }
     }, {
         .alg = "sha3-256",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(sha3_256_tv_template)
         }
     }, {
         .alg = "sha3-384",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(sha3_384_tv_template)
         }
     }, {
         .alg = "sha3-512",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(sha3_512_tv_template)
         }
     }, {
         .alg = "sha384",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(sha384_tv_template)
         }
     }, {
         .alg = "sha512",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(sha512_tv_template)
         }
     }, {
         .alg = "sm2",
         .test = alg_test_akcipher,
         .suite = {
             .akcipher = __VECS(sm2_tv_template)
         }
     }, {
         .alg = "sm3",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(sm3_tv_template)
         }
     }, {
         .alg = "streebog256",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(streebog256_tv_template)
         }
     }, {
         .alg = "streebog512",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(streebog512_tv_template)
         }
     }, {
         .alg = "vmac64(aes)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(vmac64_aes_tv_template)
         }
     }, {
         .alg = "wp256",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(wp256_tv_template)
         }
     }, {
         .alg = "wp384",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(wp384_tv_template)
         }
     }, {
         .alg = "wp512",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(wp512_tv_template)
         }
     }, {
         .alg = "xcbc(aes)",
         .test = alg_test_hash,
         .suite = {
             .hash = __VECS(aes_xcbc128_tv_template)
         }
     }, {
         .alg = "xchacha12",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(xchacha12_tv_template)
         },
     }, {
         .alg = "xchacha20",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(xchacha20_tv_template)
         },
     }, {
         .alg = "xctr(aes)",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aes_xctr_tv_template)
         }
     }, {
         .alg = "xts(aes)",
         .generic_driver = "xts(ecb(aes-generic))",
         .test = alg_test_skcipher,
         .fips_allowed = 1,
         .suite = {
             .cipher = __VECS(aes_xts_tv_template)
         }
     }, {
         .alg = "xts(camellia)",
         .generic_driver = "xts(ecb(camellia-generic))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(camellia_xts_tv_template)
         }
     }, {
         .alg = "xts(cast6)",
         .generic_driver = "xts(ecb(cast6-generic))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(cast6_xts_tv_template)
         }
     }, {
         /* Same as xts(aes) except the key is stored in
          * hardware secure memory which we reference by index
          */
         .alg = "xts(paes)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "xts(serpent)",
         .generic_driver = "xts(ecb(serpent-generic))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(serpent_xts_tv_template)
         }
     }, {
         .alg = "xts(twofish)",
         .generic_driver = "xts(ecb(twofish-generic))",
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(tf_xts_tv_template)
         }
     }, {
 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
         .alg = "xts-paes-s390",
         .fips_allowed = 1,
         .test = alg_test_skcipher,
         .suite = {
             .cipher = __VECS(aes_xts_tv_template)
         }
     }, {
 #endif
         .alg = "xts4096(paes)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "xts512(paes)",
         .test = alg_test_null,
         .fips_allowed = 1,
     }, {
         .alg = "xxhash64",
         .test = alg_test_hash,
         .fips_allowed = 1,
         .suite = {
             .hash = __VECS(xxhash64_tv_template)
         }
     }, {
         .alg = "zlib-deflate",
         .test = alg_test_comp,
         .fips_allowed = 1,
         .suite = {
             .comp = {
                 .comp = __VECS(zlib_deflate_comp_tv_template),
                 .decomp = __VECS(zlib_deflate_decomp_tv_template)
             }
         }
     }, {
         .alg = "zstd",
         .test = alg_test_comp,
         .fips_allowed = 1,
         .suite = {
             .comp = {
                 .comp = __VECS(zstd_comp_tv_template),
                 .decomp = __VECS(zstd_decomp_tv_template)
             }
         }
     }
 };
 
 static void alg_check_test_descs_order(void)
 {
     int i;
 
     for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
         int diff = strcmp(alg_test_descs[i - 1].alg,
                   alg_test_descs[i].alg);
 
         if (WARN_ON(diff > 0)) {
             pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
                 alg_test_descs[i - 1].alg,
                 alg_test_descs[i].alg);
         }
 
         if (WARN_ON(diff == 0)) {
             pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
                 alg_test_descs[i].alg);
         }
     }
 }
 
 static void alg_check_testvec_configs(void)
 {
     int i;
 
     for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
         WARN_ON(!valid_testvec_config(
                 &default_cipher_testvec_configs[i]));
 
     for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
         WARN_ON(!valid_testvec_config(
                 &default_hash_testvec_configs[i]));
 }
 
 static void testmgr_onetime_init(void)
 {
     alg_check_test_descs_order();
     alg_check_testvec_configs();
 
 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
     pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
 #endif
 }
 
 static int alg_find_test(const char *alg)
 {
     int start = 0;
     int end = ARRAY_SIZE(alg_test_descs);
 
     while (start < end) {
         int i = (start + end) / 2;
         int diff = strcmp(alg_test_descs[i].alg, alg);
 
         if (diff > 0) {
             end = i;
             continue;
         }
 
         if (diff < 0) {
             start = i + 1;
             continue;
         }
 
         return i;
     }
 
     return -1;
 }
 
 static int alg_fips_disabled(const char *driver, const char *alg)
 {
     pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
 
     return -ECANCELED;
 }
 
 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
 {
     int i;
     int j;
     int rc;
 
     if (!fips_enabled && notests) {
         printk_once(KERN_INFO "alg: self-tests disabled\n");
         return 0;
     }
 
     DO_ONCE(testmgr_onetime_init);
 
     if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
         char nalg[CRYPTO_MAX_ALG_NAME];
 
         if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
             sizeof(nalg))
             return -ENAMETOOLONG;
 
         i = alg_find_test(nalg);
         if (i < 0)
             goto notest;
 
         if (fips_enabled && !alg_test_descs[i].fips_allowed)
             goto non_fips_alg;
 
         rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
         goto test_done;
     }
 
     i = alg_find_test(alg);
     j = alg_find_test(driver);
     if (i < 0 && j < 0)
         goto notest;
 
     if (fips_enabled) {
         if (j >= 0 && !alg_test_descs[j].fips_allowed)
             return -EINVAL;
 
         if (i >= 0 && !alg_test_descs[i].fips_allowed)
             goto non_fips_alg;
     }
 
     rc = 0;
     if (i >= 0)
         rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
                          type, mask);
     if (j >= 0 && j != i)
         rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
                          type, mask);
 
 test_done:
     if (rc) {
         if (fips_enabled || panic_on_fail) {
             fips_fail_notify();
             panic("alg: self-tests for %s (%s) failed in %s mode!\n",
                   driver, alg,
                   fips_enabled ? "fips" : "panic_on_fail");
         }
         WARN(1, "alg: self-tests for %s (%s) failed (rc=%d)",
              driver, alg, rc);
     } else {
         if (fips_enabled)
             pr_info("alg: self-tests for %s (%s) passed\n",
                 driver, alg);
     }
 
     return rc;
 
 notest:
     printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
 
     if (type & CRYPTO_ALG_FIPS_INTERNAL)
         return alg_fips_disabled(driver, alg);
 
     return 0;
 non_fips_alg:
     return alg_fips_disabled(driver, alg);
 }
 
 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
 
 EXPORT_SYMBOL_GPL(alg_test);