Commit eade1e0a authored by Ayush Sawal's avatar Ayush Sawal Committed by Jakub Kicinski

chtls: Added a check to avoid NULL pointer dereference

In case of server removal lookup_stid() may return NULL pointer, which
is used as listen_ctx. So added a check before accessing this pointer.

Fixes: cc35c88a ("crypto : chtls - CPL handler definition")
Signed-off-by: default avatarVinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: default avatarAyush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent a84b2c0d
......@@ -1597,6 +1597,11 @@ static int chtls_pass_establish(struct chtls_dev *cdev, struct sk_buff *skb)
sk_wake_async(sk, 0, POLL_OUT);
data = lookup_stid(cdev->tids, stid);
if (!data) {
/* listening server close */
kfree_skb(skb);
goto unlock;
}
lsk = ((struct listen_ctx *)data)->lsk;
bh_lock_sock(lsk);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment