mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-06 00:39:48 +00:00
Code Issues Releases Wiki Activity

crypto: sahara - handle zero-length aes requests

Browse source 
[ Upstream commit d1d6351e37 ]

In case of a zero-length input, exit gracefully from sahara_aes_crypt().

Fixes: 5de8875281 ("crypto: sahara - Add driver for SAHARA2 accelerator.")
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ovidiu Panait 2023-12-24 10:21:31 +02:00 committed by Greg Kroah-Hartman
parent 3262884127
commit b123af8beb
1 changed files with 3 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/crypto/sahara.c
View file

@ -676,6 +676,9 @@ static int sahara_aes_crypt(struct skcipher_request *req, unsigned long mode)
struct sahara_dev *dev = dev_ptr;
int err = 0;
if (!req->cryptlen)
return 0;
if (unlikely(ctx->keylen != AES_KEYSIZE_128))
return sahara_aes_fallback(req, mode);