From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Huang Ying <ying.huang@intel.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
LKML <linux-kernel@vger.kernel.org>, LKP ML <lkp@01.org>
Subject: Re: [LKP] [mm] WARNING: CPU: 0 PID: 117 at mm/mmap.c:2858 exit_mmap+0x151/0x160()
Date: Mon, 26 Jan 2015 14:03:29 +0200 [thread overview]
Message-ID: <20150126120329.GC25833@node.dhcp.inet.fi> (raw)
In-Reply-To: <1422242257.24875.19.camel@intel.com>
On Mon, Jan 26, 2015 at 11:17:37AM +0800, Huang Ying wrote:
> FYI, we noticed the below changes on
>
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> commit f7a7b53a90f7a489c4e435d1300db121f6b42776 ("mm: account pmd page tables to the process")
>
>
> +-----------------------------------+------------+------------+
> | | fe888c1f62 | f7a7b53a90 |
> +-----------------------------------+------------+------------+
> | boot_successes | 102 | 6 |
> | boot_failures | 2 | 20 |
> | BUG:kernel_boot_hang | 2 | |
> | WARNING:at_mm/mmap.c:#exit_mmap() | 0 | 20 |
> | backtrace:do_execveat_common | 0 | 20 |
> | backtrace:SyS_execve | 0 | 20 |
> | backtrace:do_group_exit | 0 | 20 |
> | backtrace:SyS_exit_group | 0 | 20 |
> +-----------------------------------+------------+------------+
>
>
> [ 5.178599] NX-protecting the kernel data: 5340k
> [ 5.182110] random: init urandom read with 0 bits of entropy available
> [ 5.183522] ------------[ cut here ]------------
> [ 5.184275] WARNING: CPU: 0 PID: 117 at mm/mmap.c:2858 exit_mmap+0x151/0x160()
> [ 5.185664] CPU: 0 PID: 117 Comm: init Not tainted 3.19.0-rc5-next-20150123-gde3d2c5 #144
> [ 5.186988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
> [ 5.187838] 00000000 00000000 d5d23d34 c16bf243 d5d23d68 c1055ae3 c186e81c 00000000
> [ 5.189610] 00000075 c187dabf 00000b2a c111da01 00000b2a c111da01 00000000 d5d611c0
> [ 5.191397] 0000005e d5d23d78 c1055be2 00000009 00000000 d5d23dd4 c111da01 00000000
> [ 5.193161] Call Trace:
> [ 5.193708] [<c16bf243>] dump_stack+0x16/0x18
> [ 5.194434] [<c1055ae3>] warn_slowpath_common+0x83/0xb0
> [ 5.195243] [<c111da01>] ? exit_mmap+0x151/0x160
> [ 5.195988] [<c111da01>] ? exit_mmap+0x151/0x160
> [ 5.196754] [<c1055be2>] warn_slowpath_null+0x22/0x30
> [ 5.197575] [<c111da01>] exit_mmap+0x151/0x160
> [ 5.198308] [<c10533d3>] mmput+0x43/0xd0
> [ 5.198990] [<c114335d>] flush_old_exec+0x35d/0x7b0
> [ 5.199800] [<c1185fb8>] load_elf_binary+0x2a8/0xce0
> [ 5.200599] [<c1176e8e>] ? __fsnotify_parent+0xe/0x100
> [ 5.201407] [<c113dd02>] ? vfs_read+0xe2/0x100
> [ 5.202137] [<c1143b4f>] search_binary_handler+0x5f/0x110
> [ 5.202964] [<c1184979>] load_script+0x209/0x240
> [ 5.203734] [<c1070068>] ? atomic_notifier_chain_register+0xa8/0xb0
> [ 5.204649] [<c130269b>] ? __copy_from_user_ll+0xb/0xe0
> [ 5.205463] [<c1302a84>] ? _copy_from_user+0x54/0x60
> [ 5.206248] [<c10fa218>] ? put_page+0x8/0x40
> [ 5.206973] [<c1142709>] ? copy_strings+0x259/0x2b0
> [ 5.207756] [<c1075d80>] ? preempt_count_sub+0xa0/0x100
> [ 5.208569] [<c1143b4f>] search_binary_handler+0x5f/0x110
> [ 5.209392] [<c1144104>] do_execveat_common+0x504/0x690
> [ 5.210205] [<c1146585>] ? getname_flags+0x25/0x110
> [ 5.210981] [<c1144534>] SyS_execve+0x34/0x40
> [ 5.211709] [<c16c6a22>] sysenter_do_call+0x12/0x12
> [ 5.212484] ---[ end trace 863af1d202a59fb4 ]---
> [ 5.214592] ------------[ cut here ]------------
http://lkml.kernel.org/r/20150126115612.GA25833@node.dhcp.inet.fi
--
Kirill A. Shutemov
prev parent reply other threads:[~2015-01-26 12:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-26 3:17 [LKP] [mm] WARNING: CPU: 0 PID: 117 at mm/mmap.c:2858 exit_mmap+0x151/0x160() Huang Ying
2015-01-26 12:03 ` Kirill A. Shutemov [this message]
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