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authorEric Dumazet <eric.dumazet@gmail.com>2011-11-02 18:47:44 -0400
committerDavid S. Miller <davem@davemloft.net>2011-11-03 18:02:13 -0400
commite2e210c0238eb7073e07af503ae743fa53977120 (patch)
treea4940a436eb0292f09a9e9c09d7bfccfc5a0d76f /fs/ufs
parent2edcd4ca43df3c1d1d392753531cc73a53e709ba (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>
Diffstat (limited to 'fs/ufs')
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