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Commit 71c6da84 authored by Andrey Ryabinin's avatar Andrey Ryabinin Committed by Herbert Xu
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crypto: ghash-clmulni: specify context size for ghash async algorithm 



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.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarAndrey Ryabinin <aryabinin@odin.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent bf433416

arch/x86/crypto/ghash-clmulni-intel_glue.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -294,6 +294,7 @@ static struct ahash_alg ghash_async_alg = { 
			.cra_name		= "ghash",

			.cra_name		= "ghash",

			.cra_driver_name	= "ghash-clmulni",

			.cra_driver_name	= "ghash-clmulni",

			.cra_priority		= 400,

			.cra_priority		= 400,

			.cra_ctxsize		= sizeof(struct ghash_async_ctx),

			.cra_flags		= CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC,

			.cra_flags		= CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC,

			.cra_blocksize		= GHASH_BLOCK_SIZE,

			.cra_blocksize		= GHASH_BLOCK_SIZE,

			.cra_type		= &crypto_ahash_type,

			.cra_type		= &crypto_ahash_type,