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| author | Andrey Ryabinin <aryabinin@odin.com> | 2015-09-03 14:32:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-09-21 10:02:18 -0700 |
| commit | 4b861eb7618b07e9de223cb786862e18ac266efa (patch) | |
| tree | c0b0613b4e6eea70fcd6c9b6a81e023bcea7f090 | |
| parent | 4d025a21c7e6c3262ed9a093227df8d4c9a937d6 (diff) | |
| download | lwn-4b861eb7618b07e9de223cb786862e18ac266efa.tar.gz lwn-4b861eb7618b07e9de223cb786862e18ac266efa.zip | |
crypto: ghash-clmulni: specify context size for ghash async algorithm
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 a8d6f69f92a3..4bcf841e4701 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, |