bridge: fix potential crash in __netdev_pick_tx()
authorEric Dumazet <edumazet@google.com>
Thu, 9 Jul 2015 16:56:07 +0000 (18:56 +0200)
committerDavid S. Miller <davem@davemloft.net>
Fri, 10 Jul 2015 05:48:42 +0000 (22:48 -0700)
commita7d35f9d73e9ffa74a02304b817e579eec632f67
treef368109fccd33678d6fe881b17b74d1ef20c1114
parentfcc028c106e5750aa66dc43595b3f29f88801ff0
bridge: fix potential crash in __netdev_pick_tx()

Commit c29390c6dfee ("xps: must clear sender_cpu before forwarding")
fixed an issue in normal forward path, caused by sender_cpu & napi_id
skb fields being an union.

Bridge is another point where skb can be forwarded, so we need
the same cure.

Bug triggers if packet was received on a NIC using skb_mark_napi_id()

Fixes: 2bd82484bb4c ("xps: fix xps for stacked devices")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Bob Liu <bob.liu@oracle.com>
Tested-by: Bob Liu <bob.liu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/bridge/br_forward.c