syzbot


WARNING in untrack_pfn (2)

Status: public: reported C repro on 2019/04/11 08:44
Reported-by: syzbot+a3ec2d79ea91b53b171f@syzkaller.appspotmail.com
First crash: 1898d, last: 1638d
Similar bugs (9)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in untrack_pfn kernel C done error 128 65d 2137d 0/26 upstream: reported C repro on 2018/07/23 16:59
android-49 WARNING in untrack_pfn syz 35 1638d 1872d 0/3 public: reported syz repro on 2019/04/14 09:28
linux-5.15 WARNING in untrack_pfn origin:lts-only C done 7 173d 315d 0/3 upstream: reported C repro on 2023/07/19 07:05
linux-4.19 WARNING in untrack_pfn C error 24 497d 1759d 0/1 upstream: reported C repro on 2019/08/05 09:38
linux-4.14 WARNING in untrack_pfn C inconclusive 27 490d 1751d 0/1 upstream: reported C repro on 2019/08/13 08:40
android-44 WARNING in untrack_pfn C 211 1904d 2278d 0/2 closed as invalid on 2019/03/16 01:21
android-414 WARNING in untrack_pfn syz 1 1984d 1873d 0/1 public: reported syz repro on 2019/04/13 00:01
linux-6.1 WARNING in untrack_pfn (2) origin:lts-only C done 4 145d 268d 0/3 upstream: reported C repro on 2023/09/04 06:46
linux-6.1 WARNING in untrack_pfn 2 402d 410d 0/3 auto-obsoleted due to no activity on 2023/08/21 02:48

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2085 at arch/x86/mm/pat.c:1017 untrack_pfn+0x214/0x270 arch/x86/mm/pat.c:1017()
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 2085 Comm: syz-executor338 Not tainted 4.4.174+ #4
 0000000000000000 2349228cc06b04e7 ffff8800b6a6f7b8 ffffffff81aad1a1
 0000000000000000 ffffffff82835ee0 ffffffff82831440 00000000000003f9
 ffffffff810b6b24 ffff8800b6a6f898 ffffffff813a48c2 0000000041b58ab3
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff813a48c2>] panic+0x1b9/0x37b kernel/panic.c:112
 [<ffffffff813a4ab9>] warn_slowpath_common kernel/panic.c:455 [inline]
 [<ffffffff813a4ab9>] warn_slowpath_common.cold+0x20/0x20 kernel/panic.c:435
 [<ffffffff810d3aaa>] warn_slowpath_null+0x2a/0x30 kernel/panic.c:492
 [<ffffffff810b6b24>] untrack_pfn+0x214/0x270 arch/x86/mm/pat.c:1017
 [<ffffffff8143315e>] unmap_single_vma+0xe2e/0x1090 mm/memory.c:1322
 [<ffffffff81434d28>] unmap_vmas+0x48/0xa0 mm/memory.c:1373
 [<ffffffff81441689>] unmap_region+0x1a9/0x320 mm/mmap.c:2499
 [<ffffffff814455ba>] do_munmap+0x4ca/0xcf0 mm/mmap.c:2696
 [<ffffffff81450e2e>] move_vma+0x50e/0x920 mm/mremap.c:334
 [<ffffffff81451c1d>] mremap_to mm/mremap.c:453 [inline]
 [<ffffffff81451c1d>] SYSC_mremap mm/mremap.c:516 [inline]
 [<ffffffff81451c1d>] SyS_mremap+0x9dd/0xd60 mm/mremap.c:483
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (71):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/03/19 11:13 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 46264c32 .config console log report syz C ci-android-44-kasan-gce
2019/03/19 10:59 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 46264c32 .config console log report syz C ci-android-44-kasan-gce-386
2019/11/25 19:05 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 371caf77 .config console log report ci-android-44-kasan-gce
2019/09/30 02:18 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c1ad5441 .config console log report ci-android-44-kasan-gce
2019/09/22 12:07 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b d96e88f3 .config console log report ci-android-44-kasan-gce
2019/09/12 22:05 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 0b7672ee .config console log report ci-android-44-kasan-gce
2019/07/28 14:33 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c85e1c5b .config console log report ci-android-44-kasan-gce
2019/07/25 00:14 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 32329ceb .config console log report ci-android-44-kasan-gce
2019/07/21 00:56 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 1656845f .config console log report ci-android-44-kasan-gce
2019/07/20 09:29 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 1656845f .config console log report ci-android-44-kasan-gce
2019/07/01 23:53 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 907bf746 .config console log report ci-android-44-kasan-gce
2019/06/28 17:59 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 7509bf36 .config console log report ci-android-44-kasan-gce
2019/06/12 23:17 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 794a1ad7 .config console log report ci-android-44-kasan-gce
2019/06/06 22:35 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 698773cb .config console log report ci-android-44-kasan-gce
2019/04/21 19:58 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b b0e8efcb .config console log report ci-android-44-kasan-gce
2019/04/16 12:20 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 505ab413 .config console log report ci-android-44-kasan-gce
2019/04/07 15:13 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c34fde03 .config console log report ci-android-44-kasan-gce
2019/03/26 14:08 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 55684ce1 .config console log report ci-android-44-kasan-gce
2019/03/22 07:22 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b dce6e62f .config console log report ci-android-44-kasan-gce
2019/12/03 23:52 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b ae13a849 .config console log report ci-android-44-kasan-gce-386
2019/11/25 13:22 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 371caf77 .config console log report ci-android-44-kasan-gce-386
2019/11/23 16:23 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 598ca6c8 .config console log report ci-android-44-kasan-gce-386
2019/11/14 01:26 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 048f2d49 .config console log report ci-android-44-kasan-gce-386
2019/11/13 06:27 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 048f2d49 .config console log report ci-android-44-kasan-gce-386
2019/10/31 19:27 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b a41ca8fa .config console log report ci-android-44-kasan-gce-386
2019/10/25 19:33 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c2e837da .config console log report ci-android-44-kasan-gce-386
2019/10/12 13:36 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 426631dd .config console log report ci-android-44-kasan-gce-386
2019/10/10 06:59 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c4b9981b .config console log report ci-android-44-kasan-gce-386
2019/10/02 11:04 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 2e29b534 .config console log report ci-android-44-kasan-gce-386
2019/09/26 15:34 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 24d405a3 .config console log report ci-android-44-kasan-gce-386
2019/09/16 00:56 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 32d59357 .config console log report ci-android-44-kasan-gce-386
2019/09/15 13:01 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 32d59357 .config console log report ci-android-44-kasan-gce-386
2019/09/05 09:23 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 040fda58 .config console log report ci-android-44-kasan-gce-386
2019/08/21 20:31 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 4ea67ff8 .config console log report ci-android-44-kasan-gce-386
2019/08/19 10:30 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b b8ceabfc .config console log report ci-android-44-kasan-gce-386
2019/08/18 20:28 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 55bf8926 .config console log report ci-android-44-kasan-gce-386
2019/08/10 21:33 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b acb51638 .config console log report ci-android-44-kasan-gce-386
2019/08/04 01:44 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 6affd8e8 .config console log report ci-android-44-kasan-gce-386
2019/07/27 16:17 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c85e1c5b .config console log report ci-android-44-kasan-gce-386
2019/07/20 09:29 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 1656845f .config console log report ci-android-44-kasan-gce-386
2019/06/25 04:31 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 82c13b6b .config console log report ci-android-44-kasan-gce-386
2019/06/21 09:47 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 34bf9440 .config console log report ci-android-44-kasan-gce-386
2019/06/19 22:18 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 34bf9440 .config console log report ci-android-44-kasan-gce-386
2019/06/11 01:49 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 0159583c .config console log report ci-android-44-kasan-gce-386
2019/06/05 17:31 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b bfb4a51e .config console log report ci-android-44-kasan-gce-386
2019/06/01 20:59 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 53c81ea5 .config console log report ci-android-44-kasan-gce-386
2019/05/29 22:48 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 5457ef34 .config console log report ci-android-44-kasan-gce-386
2019/05/22 21:38 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 84b9d384 .config console log report ci-android-44-kasan-gce-386
2019/05/19 22:59 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 5a4461b0 .config console log report ci-android-44-kasan-gce-386
2019/05/18 03:49 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 40046286 .config console log report ci-android-44-kasan-gce-386
2019/05/09 07:22 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 1ab4c999 .config console log report ci-android-44-kasan-gce-386
2019/05/04 17:50 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b d28f4ce5 .config console log report ci-android-44-kasan-gce-386
2019/05/03 04:07 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b e9039493 .config console log report ci-android-44-kasan-gce-386
2019/04/27 18:38 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b b617407b .config console log report ci-android-44-kasan-gce-386
2019/04/26 14:18 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b b617407b .config console log report ci-android-44-kasan-gce-386
2019/04/22 02:34 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b b0e8efcb .config console log report ci-android-44-kasan-gce-386
2019/04/18 19:48 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b b0e8efcb .config console log report ci-android-44-kasan-gce-386
2019/04/16 14:03 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 505ab413 .config console log report ci-android-44-kasan-gce-386
2019/04/11 12:23 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b e955ac50 .config console log report ci-android-44-kasan-gce-386
2019/03/31 22:22 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 0c624d4d .config console log report ci-android-44-kasan-gce-386
2019/03/25 17:32 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 2c86e0a5 .config console log report ci-android-44-kasan-gce-386
2019/03/25 06:39 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 2c86e0a5 .config console log report ci-android-44-kasan-gce-386
2019/03/21 00:18 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b a664c187 .config console log report ci-android-44-kasan-gce-386
2019/03/19 10:39 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 46264c32 .config console log report ci-android-44-kasan-gce-386
* Struck through repros no longer work on HEAD.