diff options
| author | Harsh Jain <harsh@chelsio.com> | 2017-02-01 21:10:28 +0530 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-02-03 17:45:48 +0800 |
| commit | 0b529f143e8baad441a5aac9ad55ec2434d8fb46 (patch) | |
| tree | fd816e548e12745d4776ad0bd661bec142d3ea06 /crypto | |
| parent | c26819900036f5b91608051a0fc7c76f6b4ffc7b (diff) | |
| download | lwn-0b529f143e8baad441a5aac9ad55ec2434d8fb46.tar.gz lwn-0b529f143e8baad441a5aac9ad55ec2434d8fb46.zip | |
crypto: algif_aead - Fix kernel panic on list_del
Kernel panics when userspace program try to access AEAD interface.
Remove node from Linked List before freeing its memory.
Cc: <stable@vger.kernel.org>
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Reviewed-by: Stephan Müller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/algif_aead.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index f849311e9fd4..533265f110e0 100644 --- a/crypto/algif_aead.c +++ b/crypto/algif_aead.c @@ -661,9 +661,9 @@ static int aead_recvmsg_sync(struct socket *sock, struct msghdr *msg, int flags) unlock: list_for_each_entry_safe(rsgl, tmp, &ctx->list, list) { af_alg_free_sg(&rsgl->sgl); + list_del(&rsgl->list); if (rsgl != &ctx->first_rsgl) sock_kfree_s(sk, rsgl, sizeof(*rsgl)); - list_del(&rsgl->list); } INIT_LIST_HEAD(&ctx->list); aead_wmem_wakeup(sk); |