net: initialize skb->peeked when cloning

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commit b13dda9f9a 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: 1da177e4c3 ("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>

...

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Eric Dumazet 2018-04-07 13:42:39 -07:00 • committed by Greg Kroah-Hartman

parent ced9763b91

commit 5652aed1de

1 changed files with 1 additions and 0 deletions

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net/core/skbuff.c

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