From: Harsh Jain <harsh@chelsio.com>
To: smueller@chronox.de, herbert@gondor.apana.org.au,
atul.gupta@chelsio.com, harshjain.prof@gmail.com,
linux-crypto@vger.kernel.org
Cc: Harsh Jain <harsh@chelsio.com>
Subject: [PATCH 1/1] crypto:algif_aead - Fix kernel panic on list_del
Date: Wed, 1 Feb 2017 21:10:28 +0530 [thread overview]
Message-ID: <3368ebb31bd1670b8ea8ff45c81807c8c0e6bc3b.1485948732.git.harsh@chelsio.com> (raw)
Kernel panics when userspace program try to access AEAD interface.
Remove node from Linked List before freeing its memory.
Signed-off-by: Harsh Jain <harsh@chelsio.com>
---
crypto/algif_aead.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index f849311..533265f 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);
--
1.8.2.3
next reply other threads:[~2017-02-01 15:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-01 15:40 Harsh Jain [this message]
2017-02-01 15:47 ` [PATCH 1/1] crypto:algif_aead - Fix kernel panic on list_del Stephan Müller
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