[lkp] [list] 4b29978299: dmesg.WARNING:at_lib/list_debug.c:#__list_add()

From: kernel test robot
Date: Mon Nov 23 2015 - 02:35:51 EST

FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git libnvdimm-pending
commit 4b29978299ae61b278fcbc6cf393c85265d78517 ("list: introduce list_del_poison()")


[ 29.194068] Write protecting the kernel text: 7156k
[ 29.195054] Write protecting the kernel read-only data: 3856k
[ 29.202249] ------------[ cut here ]------------
[ 29.202806] WARNING: CPU: 1 PID: 79 at lib/list_debug.c:27 __list_add+0x125/0x162()
[ 29.203874] list_add attempted on force-poisoned entry
[ 29.204453] Modules linked in:
[ 29.204837] CPU: 1 PID: 79 Comm: init Not tainted 4.4.0-rc1-00027-g4b29978 #1
[ 29.205646] 00000000 00000000 50631de4 412ebc69 50631e0c 50631dfc 4107548d 4132fb1a
[ 29.206726] 50fb9768 40014460 50fb9728 50631e14 410755a2 00000009 50631e0c 41a3ef22
[ 29.207764] 50631e28 50631e34 4132fb1a 41a3ed35 0000001b 41a3ef22 50fb9760 50622380
[ 29.208885] Call Trace:
[ 29.209180] [<412ebc69>] dump_stack+0xb8/0x108
[ 29.209708] [<4107548d>] warn_slowpath_common+0xdb/0x11c
[ 29.210353] [<4132fb1a>] ? __list_add+0x125/0x162
[ 29.210921] [<410755a2>] warn_slowpath_fmt+0x42/0x54
[ 29.211520] [<4132fb1a>] __list_add+0x125/0x162
[ 29.212057] [<411ae802>] list_add+0x18/0x28
[ 29.212552] [<411ae839>] anon_vma_chain_link+0x27/0x51
[ 29.213143] [<411b0afc>] anon_vma_clone+0xda/0x1ae
[ 29.226792] [<411b0c17>] anon_vma_fork+0x47/0x1a9
[ 29.227348] [<41165c91>] dup_mmap+0x253/0x54d
[ 29.227873] [<41073296>] copy_process+0x1000/0x1da6
[ 29.228440] [<4107425a>] _do_fork+0xc4/0x4f0
[ 29.228955] [<4108d546>] ? SyS_rt_sigaction+0xd8/0x165
[ 29.229562] [<41074762>] SyS_clone+0x35/0x61
[ 29.230093] [<41001d04>] do_syscall_32_irqs_on+0x92/0xc0
[ 29.230753] [<416fab0a>] entry_INT80_32+0x2a/0x2a
[ 29.231299] ---[ end trace 28bcbeb98cb33b0e ]---
[ 29.231881] ------------[ cut here ]------------


Thanks,
Ying Huang

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