diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-10-27 17:29:48 +0300 |
|---|---|---|
| committer | SecurityBot <android-nexus-securitybot@system.gserviceaccount.com> | 2017-10-31 16:35:58 -0700 |
| commit | 2dd3a0cf31b04b6b15d1f4b2e4f062597851806e (patch) | |
| tree | a5564ff7a62ab2459e414e1aa7b48e3ae47f6a6e | |
| parent | 77f55434a83825a27339c3d8f5cf94dc43d1f260 (diff) | |
| download | tegra-2dd3a0cf31b04b6b15d1f4b2e4f062597851806e.tar.gz | |
UPSTREAM: crypto: algif_skcipher - Load TX SG list after waiting
commit 4f0414e54e4d1893c6f08260693f8ef84c929293 upstream.
We need to load the TX SG list in sendmsg(2) after waiting for
incoming data, not before.
Bug: 64386293
Change-Id: Ibb0b7969ee1df314b49462ecd65ce381118d915d
Cc: stable@vger.kernel.org
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Siqi Lin <siqilin@google.com>
| -rw-r--r-- | crypto/algif_skcipher.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index c3b482bee208..31d69b7d736a 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -441,13 +441,6 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock, char __user *from = iov->iov_base; while (seglen) { - sgl = list_first_entry(&ctx->tsgl, - struct skcipher_sg_list, list); - sg = sgl->sg; - - while (!sg->length) - sg++; - used = ctx->used; if (!used) { err = skcipher_wait_for_data(sk, flags); @@ -469,6 +462,13 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock, if (!used) goto free; + sgl = list_first_entry(&ctx->tsgl, + struct skcipher_sg_list, list); + sg = sgl->sg; + + while (!sg->length) + sg++; + ablkcipher_request_set_crypt(&ctx->req, sg, ctx->rsgl.sg, used, ctx->iv); |