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| author | Li RongQing <lirongqing@baidu.com> | 2018-08-03 09:45:21 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-06 02:24:45 +0200 |
| commit | a6bcfc89694ed8cb482a82cdc8b93aae63a8b691 (patch) | |
| tree | 5b4432cdf877af3ad989eb12c1d63f481dc89a8b /net/sched | |
| parent | ipv6: defrag: drop non-last frags smaller than min mtu (diff) | |
| download | linux-a6bcfc89694ed8cb482a82cdc8b93aae63a8b691.tar.xz linux-a6bcfc89694ed8cb482a82cdc8b93aae63a8b691.zip | |
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 <zhangyu31@baidu.com>
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
0 files changed, 0 insertions, 0 deletions