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authorAndrey Ryabinin <aryabinin@odin.com>2015-09-03 13:32:01 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2015-09-04 17:21:07 +0200
commit71c6da846be478a61556717ef1ee1cea91f5d6a8 (patch)
treeb17b4f9fbad4e03945672f161b49a46398db36c5 /arch/x86/crypto/ghash-clmulni-intel_glue.c
parentcrypto: algif_aead - fix for multiple operations on AF_ALG sockets (diff)
downloadlinux-71c6da846be478a61556717ef1ee1cea91f5d6a8.tar.xz
linux-71c6da846be478a61556717ef1ee1cea91f5d6a8.zip
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: Andrey Ryabinin <aryabinin@odin.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto/ghash-clmulni-intel_glue.c')
-rw-r--r--arch/x86/crypto/ghash-clmulni-intel_glue.c1
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 64d7cf1b50e1..440df0c7a2ee 100644
--- a/arch/x86/crypto/ghash-clmulni-intel_glue.c
+++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c
@@ -294,6 +294,7 @@ 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,