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Date: Wed, 13 Jan 2016 08:36:19 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Baozeng Ding <sploving1@...il.com>
CC: 0day robot <fengguang.wu@...el.com>
Subject: [lkp] [netlink] 54fd0f3336: WARNING: CPU: 0 PID: 126 at
net/netlink/af_netlink.c:1579 netlink_bind+0x237/0x240()
FYI, we noticed the below changes on
https://github.com/0day-ci/linux Baozeng-Ding/netlink-fix-null-pointer-dereference-on-nlk-groups/20160112-191519
commit 54fd0f3336b00065f775f6686fad980bb51274ae ("netlink: fix null pointer dereference on nlk->groups")
Please wait: booting...
Starting udev
[ 13.203952] ------------[ cut here ]------------
[ 13.204449] WARNING: CPU: 0 PID: 126 at net/netlink/af_netlink.c:1579 netlink_bind+0x237/0x240()
[ 13.205522] Modules linked in:
[ 13.205855] CPU: 0 PID: 126 Comm: udevd Not tainted 4.4.0-rc8-01516-g54fd0f3 #1
[ 13.206588] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 13.207484] 00000000 00000000 9055fdf0 81211a4f 00000000 9055fe20 81085e03 81782028
[ 13.208375] 00000000 0000007e 817eee2c 0000062b 814915f7 814915f7 00000000 0000000c
[ 13.209293] 92745000 9055fe30 81085ebb 00000009 00000000 9055fe54 814915f7 9055fe64
[ 13.210178] Call Trace:
[ 13.210433] [<81211a4f>] dump_stack+0x48/0x69
[ 13.210878] [<81085e03>] warn_slowpath_common+0x83/0xc0
[ 13.211411] [<814915f7>] ? netlink_bind+0x237/0x240
[ 13.211906] [<814915f7>] ? netlink_bind+0x237/0x240
[ 13.212411] [<81085ebb>] warn_slowpath_null+0x1b/0x20
[ 13.212924] [<814915f7>] netlink_bind+0x237/0x240
[ 13.213439] [<81436e28>] SyS_bind+0x68/0xb0
[ 13.213874] [<8117c5bb>] ? __fd_install+0x8b/0x180
[ 13.214373] [<810a6051>] ? __might_sleep+0x31/0xa0
[ 13.214860] [<810a6051>] ? __might_sleep+0x31/0xa0
[ 13.215357] [<8117c6cb>] ? fd_install+0x1b/0x20
[ 13.215822] [<81438112>] SyS_socketcall+0x2e2/0x320
[ 13.216330] [<81161f69>] ? __sb_end_write+0x19/0x20
[ 13.216830] [<810c5a69>] ? percpu_up_read+0x19/0x70
[ 13.217368] [<81161f69>] ? __sb_end_write+0x19/0x20
[ 13.217866] [<8116033d>] ? vfs_write+0x15d/0x1b0
[ 13.218345] [<81001213>] do_syscall_32_irqs_on+0x53/0xb0
[ 13.218886] [<815c3c2d>] entry_INT80_32+0x31/0x31
[ 13.219370] ---[ end trace 3c7305e80c53fb83 ]---
[ 13.223734] ------------[ cut here ]------------
Thanks,
Kernel Test Robot
View attachment "config-4.4.0-rc8-01516-g54fd0f3" of type "text/plain" (90656 bytes)
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