diff options
author | Zefan Li <lizefan@huawei.com> | 2013-06-26 11:31:58 +0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-06-27 02:36:42 +0400 |
commit | 578a1310f2592ba90c5674bca21c1dbd1adf3f0a (patch) | |
tree | a8596ba1eeb67cfe8cd317822b83a76205b9ae6b /Documentation/trace | |
parent | 11eb2645cbf38a08ae491bf6c602eea900ec0bb5 (diff) | |
download | linux-578a1310f2592ba90c5674bca21c1dbd1adf3f0a.tar.xz |
dlci: validate the net device in dlci_del()
We triggered an oops while running trinity with 3.4 kernel:
BUG: unable to handle kernel paging request at 0000000100000d07
IP: [<ffffffffa0109738>] dlci_ioctl+0xd8/0x2d4 [dlci]
PGD 640c0d067 PUD 0
Oops: 0000 [#1] PREEMPT SMP
CPU 3
...
Pid: 7302, comm: trinity-child3 Not tainted 3.4.24.09+ 40 Huawei Technologies Co., Ltd. Tecal RH2285 /BC11BTSA
RIP: 0010:[<ffffffffa0109738>] [<ffffffffa0109738>] dlci_ioctl+0xd8/0x2d4 [dlci]
...
Call Trace:
[<ffffffff8137c5c3>] sock_ioctl+0x153/0x280
[<ffffffff81195494>] do_vfs_ioctl+0xa4/0x5e0
[<ffffffff8118354a>] ? fget_light+0x3ea/0x490
[<ffffffff81195a1f>] sys_ioctl+0x4f/0x80
[<ffffffff81478b69>] system_call_fastpath+0x16/0x1b
...
It's because the net device is not a dlci device.
Reported-by: Li Jinyue <lijinyue@huawei.com>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/trace')
0 files changed, 0 insertions, 0 deletions