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由 Eric Dumazet 提交于
When dev_pick_tx() caches tx queue_index on a socket, we must check socket dst_entry matches skb one, or risk a crash later, as reported by Denys Fedorysychenko, if old packets are in flight during a route change, involving devices with different number of queues. Bug introduced by commit a4ee3ce3 (net: Use sk_tx_queue_mapping for connected sockets) Reported-by: NDenys Fedorysychenko <nuclearcat@nuclearcat.com> Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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