diff options
| author | Neil Horman <nhorman@tuxdriver.com> | 2012-02-10 05:43:36 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-10 15:08:56 -0500 |
| commit | a87dfe14a78501c931a4d5481efff6a809aa907d (patch) | |
| tree | cecc481e2daed8dcd4fafabab04f51796dcbf945 /fs | |
| parent | 027a3b617c5490b5287d98921675abcbebeb32df (diff) | |
netprio_cgroup: fix an off-by-one bug
# mount -t cgroup xxx /mnt
# mkdir /mnt/tmp
# cat /mnt/tmp/net_prio.ifpriomap
lo 0
eth0 0
virbr0 0
# echo 'lo 999' > /mnt/tmp/net_prio.ifpriomap
# cat /mnt/tmp/net_prio.ifpriomap
lo 999
eth0 0
virbr0 4101267344
We got weired output, because we exceeded the boundary of the array.
We may even crash the kernel..
Origionally-authored-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions