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crypto: ghash-clmulni: specify context size for ghash async algorithm

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commit 71c6da846be478a61556717ef1ee1cea91f5d6a8 upstream.

Currently context size (cra_ctxsize) doesn't specified for
ghash_async_alg. Which means it's zero. Thus crypto_create_tfm()
doesn't allocate needed space for ghash_async_ctx, so any
read/write to ctx (e.g. in ghash_async_init_tfm()) is not valid.

Signed-off-by: Andrey Ryabinin <aryabinin@odin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Zefan Li <lizefan@huawei.com>
This commit is contained in:
Andrey Ryabinin 2015-09-03 14:32:01 +03:00 committed by Zefan Li
parent 7ac8dba7a1
commit 7646c507f1
1 changed files with 1 additions and 0 deletions
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arch/x86/crypto/ghash-clmulni-intel_glue.c
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@ -292,6 +292,7 @@ static struct ahash_alg ghash_async_alg = {
.cra_name = "ghash",
.cra_driver_name = "ghash-clmulni",
.cra_priority = 400,
.cra_ctxsize = sizeof(struct ghash_async_ctx),
.cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC,
.cra_blocksize = GHASH_BLOCK_SIZE,
.cra_type = &crypto_ahash_type,