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| author | Andrey Ryabinin <aryabinin@odin.com> | 2015-09-03 14:32:01 +0300 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-10-27 22:14:44 -0400 |
| commit | fb45b15c8e0666eb5500d7867394a5ddc9865655 (patch) | |
| tree | 94d732cd5c8aba3f22103cfe2509f025d859f7ac | |
| parent | d7c4784332a67cf9af2e9d9b96e8ef1caf3d5e8f (diff) | |
| download | lwn-fb45b15c8e0666eb5500d7867394a5ddc9865655.tar.gz lwn-fb45b15c8e0666eb5500d7867394a5ddc9865655.zip | |
crypto: ghash-clmulni: specify context size for ghash async algorithm
[ Upstream commit 71c6da846be478a61556717ef1ee1cea91f5d6a8 ]
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: Andrey Ryabinin <aryabinin@odin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| -rw-r--r-- | arch/x86/crypto/ghash-clmulni-intel_glue.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/crypto/ghash-clmulni-intel_glue.c b/arch/x86/crypto/ghash-clmulni-intel_glue.c index 8253d85aa165..de1d72e3ec59 100644 --- a/arch/x86/crypto/ghash-clmulni-intel_glue.c +++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c @@ -291,6 +291,7 @@ 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, |