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| author | Willem de Bruijn <[email protected]> | 2017-08-10 16:41:58 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2017-08-10 16:52:12 +0000 |
| commit | c27927e372f0785f3303e8fad94b85945e2c97b7 (patch) | |
| tree | 3602b8aeb2cc349ba954d4ff17028d364e395c56 /drivers/iio/trigger/stm32-timer-trigger.c | |
| parent | udp: consistently apply ufo or fragmentation (diff) | |
| download | kernel-c27927e372f0785f3303e8fad94b85945e2c97b7.tar.gz kernel-c27927e372f0785f3303e8fad94b85945e2c97b7.zip | |
packet: fix tp_reserve race in packet_set_ring
Updates to tp_reserve can race with reads of the field in
packet_set_ring. Avoid this by holding the socket lock during
updates in setsockopt PACKET_RESERVE.
This bug was discovered by syzkaller.
Fixes: 8913336a7e8d ("packet: add PACKET_RESERVE sockopt")
Reported-by: Andrey Konovalov <[email protected]>
Signed-off-by: Willem de Bruijn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'drivers/iio/trigger/stm32-timer-trigger.c')
0 files changed, 0 insertions, 0 deletions