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Commit 873017af authored by Hangbin Liu's avatar Hangbin Liu Committed by David S. Miller
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vlan: disable SIOCSHWTSTAMP in container



With NET_ADMIN enabled in container, a normal user could be mapped to
root and is able to change the real device's rx filter via ioctl on
vlan, which would affect the other ptp process on host. Fix it by
disabling SIOCSHWTSTAMP in container.

Fixes: a6111d3c ("vlan: Pass SIOC[SG]HWTSTAMP ioctls to real device")
Signed-off-by: default avatarHangbin Liu <liuhangbin@gmail.com>
Acked-by: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6c2ea9eb
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