diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-10 18:41:31 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-27 11:07:06 +0100 |
| commit | 78ea1ff6cb413a03ff6f7af4e28e24b4461a0965 (patch) | |
| tree | 13ce9b6446f7fa10b5c06be2f03e8c45f39d7ec0 /drivers/crypto | |
| parent | ef8909abe3af3a391ebd9cf9322fad38711d30b1 (diff) | |
crypto: marvell/cesa - Handle zero-length skcipher requests
[ Upstream commit 8a4e047c6cc07676f637608a9dd675349b5de0a7 ]
Do not access random memory for zero-length skcipher requests.
Just return 0.
Fixes: f63601fd616a ("crypto: marvell/cesa - add a new driver for Marvell's CESA")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/marvell/cesa/cipher.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/crypto/marvell/cesa/cipher.c b/drivers/crypto/marvell/cesa/cipher.c index 0f37dfd42d85..3876e3ce822f 100644 --- a/drivers/crypto/marvell/cesa/cipher.c +++ b/drivers/crypto/marvell/cesa/cipher.c @@ -459,6 +459,9 @@ static int mv_cesa_skcipher_queue_req(struct skcipher_request *req, struct mv_cesa_skcipher_req *creq = skcipher_request_ctx(req); struct mv_cesa_engine *engine; + if (!req->cryptlen) + return 0; + ret = mv_cesa_skcipher_req_init(req, tmpl); if (ret) return ret; |