From: Andrey Ryabinin Date: Thu, 3 Sep 2015 11:32:01 +0000 (+0300) Subject: crypto: ghash-clmulni: specify context size for ghash async algorithm X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=71c6da846be478a61556717ef1ee1cea91f5d6a8;p=openwrt%2Fstaging%2Fblogic.git 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 Signed-off-by: Herbert Xu --- 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,