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(parent: 1baf9db) | patch
net: initialize skb->peeked when cloning
authorEric Dumazet <edumazet@google.com>
Sat, 7 Apr 2018 20:42:39 +0000 (13:42 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 May 2018 08:06:50 +0000 (10:06 +0200)
commitc5e0c93134455e9af7988dc1c75631ffe26da0d2
treeaf6fef65c9d72bed3eb7bf2418bcc6212b398767tree | snapshot
parent1baf9dbebac9f1295794c76668b648e6e5f3efa7commit | diff
net: initialize skb->peeked when cloning

commit b13dda9f9aa7caceeee61c080c2e544d5f5d85e5 upstream.

syzbot reported __skb_try_recv_from_queue() was using skb->peeked
while it was potentially unitialized.

We need to clear it in __skb_clone()

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/core/skbuff.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git