[PATCH net 4/8] net: initialize skb->peeked when cloning

[Eric Dumazet]

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 <eduma...@google.com>
Reported-by: syzbot <syzkal...@googlegroups.com>
---
 net/core/skbuff.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 
1bca1e0fc8f70eb394f63c995e06bbc5a9261e51..345b51837ca80bb709bfffe04d58eedbba0b9907
 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -857,6 +857,7 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, 
struct sk_buff *skb)
        n->hdr_len = skb->nohdr ? skb_headroom(skb) : skb->hdr_len;
        n->cloned = 1;
        n->nohdr = 0;
+       n->peeked = 0;
        n->destructor = NULL;
        C(tail);
        C(end);
-- 
2.17.0.484.g0c8726318c-goog