diff options
author | Li RongQing <[email protected]> | 2018-08-03 15:45:21 +0800 |
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committer | David S. Miller <[email protected]> | 2018-08-05 17:24:45 -0700 |
commit | a6bcfc89694ed8cb482a82cdc8b93aae63a8b691 (patch) | |
tree | 5b4432cdf877af3ad989eb12c1d63f481dc89a8b /lib/test_overflow.c | |
parent | 0ed4229b08c13c84a3c301a08defdc9e7f4467e6 (diff) |
net: check extack._msg before print
dev_set_mtu_ext is able to fail with a valid mtu value, at that
condition, extack._msg is not set and random since it is in stack,
then kernel will crash when print it.
Fixes: 7a4c53bee3324a ("net: report invalid mtu value via netlink extack")
Signed-off-by: Zhang Yu <[email protected]>
Signed-off-by: Li RongQing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions