| commit | e2e210c0238eb7073e07af503ae743fa53977120 | [log] [tgz] |
|---|---|---|
| author | Eric Dumazet <eric.dumazet@gmail.com> | Wed Nov 02 22:47:44 2011 +0000 |
| committer | David S. Miller <davem@davemloft.net> | Thu Nov 03 18:02:13 2011 -0400 |
| tree | a4940a436eb0292f09a9e9c09d7bfccfc5a0d76f | |
| parent | 2edcd4ca43df3c1d1d392753531cc73a53e709ba [diff] |
l2tp: fix race in l2tp_recv_dequeue() Misha Labjuk reported panics occurring in l2tp_recv_dequeue() If we release reorder_q.lock, we must not keep a dangling pointer (tmp), since another thread could manipulate reorder_q. Instead we must restart the scan at beginning of list. Reported-by: Misha Labjuk <spiked.yar@gmail.com> Tested-by: Misha Labjuk <spiked.yar@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>