From: Dave Jones <davej@redhat.com>
To: linux-mm@kvack.org
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: unused swap offset / bad page map.
Date: Wed, 7 Aug 2013 01:51:57 -0400 [thread overview]
Message-ID: <20130807055157.GA32278@redhat.com> (raw)
Seen while fuzzing with lots of child processes.
swap_free: Unused swap offset entry 001263f5
BUG: Bad page map in process trinity-child29 pte:24c7ea00 pmd:09fec067
addr:00007f9db958d000 vm_flags:00100073 anon_vma:ffff88022c004ba0 mapping: (null) index:f99
Modules linked in: fuse ipt_ULOG snd_seq_dummy tun sctp scsi_transport_iscsi can_raw can_bcm rfcomm bnep nfnetlink hidp appletalk bluetooth rose can af_802154 phonet x25 af_rxrpc llc2 nfc rfkill af_key pppoe rds pppox ppp_generic slhc caif_socket caif irda crc_ccitt atm netrom ax25 ipx p8023 psnap p8022 llc snd_hda_codec_realtek pcspkr usb_debug snd_seq snd_seq_device snd_hda_intel snd_hda_codec snd_hwdep e1000e snd_pcm ptp pps_core snd_page_alloc snd_timer snd soundcore xfs libcrc32c
CPU: 1 PID: 2624 Comm: trinity-child29 Not tainted 3.11.0-rc4+ #1
0000000000000000 ffff8801fd7ddc90 ffffffff81700f2c 00007f9db958d000
ffff8801fd7ddcd8 ffffffff8117cba7 0000000024c7ea00 0000000000000f99
00007f9db9600000 ffff880009fecc68 0000000024c7ea00 ffff8801fd7dde00
Call Trace:
[<ffffffff81700f2c>] dump_stack+0x4e/0x82
[<ffffffff8117cba7>] print_bad_pte+0x187/0x220
[<ffffffff8117e415>] unmap_single_vma+0x535/0x890
[<ffffffff8117f719>] unmap_vmas+0x49/0x90
[<ffffffff81187ef1>] exit_mmap+0xc1/0x170
[<ffffffff810510ef>] mmput+0x6f/0x100
[<ffffffff81055818>] do_exit+0x288/0xcd0
[<ffffffff810c1da5>] ? trace_hardirqs_on_caller+0x115/0x1e0
[<ffffffff810c1e7d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff810575dc>] do_group_exit+0x4c/0xc0
[<ffffffff81057664>] SyS_exit_group+0x14/0x20
[<ffffffff81713dd4>] tracesys+0xdd/0xe2
There were a slew of these. same trace, different addr/anon_vma/index.
mapping always null.
Dave
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Dave Jones <davej@redhat.com>
To: linux-mm@kvack.org
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: unused swap offset / bad page map.
Date: Wed, 7 Aug 2013 01:51:57 -0400 [thread overview]
Message-ID: <20130807055157.GA32278@redhat.com> (raw)
Seen while fuzzing with lots of child processes.
swap_free: Unused swap offset entry 001263f5
BUG: Bad page map in process trinity-child29 pte:24c7ea00 pmd:09fec067
addr:00007f9db958d000 vm_flags:00100073 anon_vma:ffff88022c004ba0 mapping: (null) index:f99
Modules linked in: fuse ipt_ULOG snd_seq_dummy tun sctp scsi_transport_iscsi can_raw can_bcm rfcomm bnep nfnetlink hidp appletalk bluetooth rose can af_802154 phonet x25 af_rxrpc llc2 nfc rfkill af_key pppoe rds pppox ppp_generic slhc caif_socket caif irda crc_ccitt atm netrom ax25 ipx p8023 psnap p8022 llc snd_hda_codec_realtek pcspkr usb_debug snd_seq snd_seq_device snd_hda_intel snd_hda_codec snd_hwdep e1000e snd_pcm ptp pps_core snd_page_alloc snd_timer snd soundcore xfs libcrc32c
CPU: 1 PID: 2624 Comm: trinity-child29 Not tainted 3.11.0-rc4+ #1
0000000000000000 ffff8801fd7ddc90 ffffffff81700f2c 00007f9db958d000
ffff8801fd7ddcd8 ffffffff8117cba7 0000000024c7ea00 0000000000000f99
00007f9db9600000 ffff880009fecc68 0000000024c7ea00 ffff8801fd7dde00
Call Trace:
[<ffffffff81700f2c>] dump_stack+0x4e/0x82
[<ffffffff8117cba7>] print_bad_pte+0x187/0x220
[<ffffffff8117e415>] unmap_single_vma+0x535/0x890
[<ffffffff8117f719>] unmap_vmas+0x49/0x90
[<ffffffff81187ef1>] exit_mmap+0xc1/0x170
[<ffffffff810510ef>] mmput+0x6f/0x100
[<ffffffff81055818>] do_exit+0x288/0xcd0
[<ffffffff810c1da5>] ? trace_hardirqs_on_caller+0x115/0x1e0
[<ffffffff810c1e7d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff810575dc>] do_group_exit+0x4c/0xc0
[<ffffffff81057664>] SyS_exit_group+0x14/0x20
[<ffffffff81713dd4>] tracesys+0xdd/0xe2
There were a slew of these. same trace, different addr/anon_vma/index.
mapping always null.
Dave
next reply other threads:[~2013-08-07 5:52 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-07 5:51 Dave Jones [this message]
2013-08-07 5:51 ` unused swap offset / bad page map Dave Jones
2013-08-07 10:04 ` Hillf Danton
2013-08-07 10:04 ` Hillf Danton
2013-08-07 15:30 ` Dave Jones
2013-08-07 15:30 ` Dave Jones
2013-08-08 15:20 ` Hillf Danton
2013-08-08 15:20 ` Hillf Danton
2013-08-08 15:36 ` Dave Jones
2013-08-08 15:36 ` Dave Jones
2013-08-19 23:18 ` Dave Jones
2013-08-19 23:18 ` Dave Jones
2013-08-20 4:39 ` Hillf Danton
2013-08-20 4:39 ` Hillf Danton
2013-08-21 20:49 ` Dave Jones
2013-08-21 20:49 ` Dave Jones
2013-08-22 0:35 ` Hillf Danton
2013-08-22 0:35 ` Hillf Danton
2013-08-22 3:21 ` Hillf Danton
2013-08-22 3:21 ` Hillf Danton
2013-08-23 3:21 ` Dave Jones
2013-08-23 3:21 ` Dave Jones
2013-08-23 3:27 ` Hillf Danton
2013-08-23 3:53 ` Dave Jones
2013-08-23 3:53 ` Dave Jones
2013-08-26 3:45 ` Hillf Danton
2013-08-26 3:45 ` Hillf Danton
2013-08-26 19:08 ` Dave Jones
2013-08-26 19:08 ` Dave Jones
2013-08-26 20:15 ` Linus Torvalds
2013-08-26 20:15 ` Linus Torvalds
2013-08-26 20:46 ` Linus Torvalds
2013-08-26 20:46 ` Linus Torvalds
2013-08-26 22:08 ` Hugh Dickins
2013-08-26 22:08 ` Hugh Dickins
2013-08-26 22:28 ` Dave Jones
2013-08-26 22:28 ` Dave Jones
2013-08-27 8:37 ` Cyrill Gorcunov
2013-08-27 8:37 ` Cyrill Gorcunov
2013-08-27 16:24 ` Dave Jones
2013-08-27 16:24 ` Dave Jones
2013-08-27 16:32 ` Cyrill Gorcunov
2013-08-27 16:32 ` Cyrill Gorcunov
2013-08-26 23:15 ` Linus Torvalds
2013-08-26 23:15 ` Linus Torvalds
2013-08-27 5:44 ` Cyrill Gorcunov
2013-08-27 5:44 ` Cyrill Gorcunov
2013-08-26 20:18 ` Cyrill Gorcunov
2013-08-26 20:18 ` Cyrill Gorcunov
2013-08-26 20:37 ` Dave Jones
2013-08-26 20:37 ` Dave Jones
2013-08-26 20:42 ` Cyrill Gorcunov
2013-08-26 20:42 ` Cyrill Gorcunov
2013-08-26 21:37 ` Cyrill Gorcunov
2013-08-26 21:37 ` Cyrill Gorcunov
2013-08-26 21:42 ` Dave Jones
2013-08-26 21:42 ` Dave Jones
2013-08-26 21:49 ` Cyrill Gorcunov
2013-08-26 21:49 ` Cyrill Gorcunov
2013-08-26 21:59 ` Dave Jones
2013-08-26 21:59 ` Dave Jones
2013-08-07 15:54 ` Dave Jones
2013-08-07 15:54 ` Dave Jones
-- strict thread matches above, loose matches on Subject: below --
2013-08-23 9:08 Hillf Danton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130807055157.GA32278@redhat.com \
--to=davej@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.