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| author |   Eric Dumazet <eric.dumazet@gmail.com> | 2011-11-02 22:47:44 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-11-03 18:02:13 -0400 |
| commit | e2e210c0238eb7073e07af503ae743fa53977120 (patch) | |
| tree | a4940a436eb0292f09a9e9c09d7bfccfc5a0d76f /net/dccp/ipv4.c | |
| parent | net: fix typo in drivers/net/ethernet/xilinx/ll_temac_main.c (diff) | |
| download | linux-dev-e2e210c0238eb7073e07af503ae743fa53977120.tar.xz linux-dev-e2e210c0238eb7073e07af503ae743fa53977120.zip | |
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 '')
0 files changed, 0 insertions, 0 deletions