3.8.13.1 -stable review patch. If anyone has any objections, please let me know.
------------------ From: Eric Dumazet <[email protected]> commit 093162553c33e9479283e107b4431378271c735d upstream. Before escaping RCU protected section and adding packet into prequeue, make sure the dst is refcounted. Reported-by: Mike Galbraith <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]> [ luis: adjust context ] Signed-off-by: Luis Henriques <[email protected]> Signed-off-by: Kamal Mostafa <[email protected]> --- include/net/tcp.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/net/tcp.h b/include/net/tcp.h index aed42c7..4da2167 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1045,6 +1045,7 @@ static inline bool tcp_prequeue(struct sock *sk, struct sk_buff *skb) if (sysctl_tcp_low_latency || !tp->ucopy.task) return false; + skb_dst_force(skb); __skb_queue_tail(&tp->ucopy.prequeue, skb); tp->ucopy.memory += skb->truesize; if (tp->ucopy.memory > sk->sk_rcvbuf) { -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
