syzbot


WARNING in untrack_pfn

Status: closed as invalid on 2019/03/16 01:21
First crash: 2471d, last: 2098d
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 258d 2330d 0/28 auto-obsoleted due to no activity on 2024/07/03 15:42
android-49 WARNING in untrack_pfn syz 35 1832d 2066d 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 38d 509d 0/3 upstream: reported C repro on 2023/07/19 07:05
linux-4.19 WARNING in untrack_pfn C error 24 691d 1953d 0/1 upstream: reported C repro on 2019/08/05 09:38
linux-4.14 WARNING in untrack_pfn C inconclusive 27 684d 1945d 0/1 upstream: reported C repro on 2019/08/13 08:40
android-414 WARNING in untrack_pfn syz 1 2178d 2067d 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 338d 462d 0/3 upstream: reported C repro on 2023/09/04 06:46
linux-6.1 WARNING in untrack_pfn 2 596d 604d 0/3 auto-obsoleted due to no activity on 2023/08/21 02:48
android-44 WARNING in untrack_pfn (2) C 71 1832d 2069d 0/2 public: reported C repro on 2019/04/11 08:44

Sample crash report:
random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available)
random: sshd: uninitialized urandom read (32 bytes read, 120 bits of entropy available)
random: sshd: uninitialized urandom read (32 bytes read, 124 bits of entropy available)
random: nonblocking pool is initialized
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3780 at arch/x86/mm/pat.c:1003 untrack_pfn+0x204/0x2a0 arch/x86/mm/pat.c:1003()
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 3780 Comm: syzkaller934269 Not tainted 4.4.119-g855ea74 #27
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 6de82625fc974cdd ffff8801d908f778 ffffffff81d0402d
 ffffffff83843b40 ffff8801d908f850 ffffffff8383da60 0000000000000009
 00000000000003eb ffff8801d908f840 ffffffff8141aaea 0000000041b58ab3
Call Trace:
 [<ffffffff81d0402d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d0402d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff8141aaea>] panic+0x1aa/0x388 kernel/panic.c:112
 [<ffffffff8112d885>] warn_slowpath_common+0x125/0x140 kernel/panic.c:455
 [<ffffffff8112dae9>] warn_slowpath_null+0x29/0x30 kernel/panic.c:492
 [<ffffffff810e8c44>] untrack_pfn+0x204/0x2a0 arch/x86/mm/pat.c:1003
 [<ffffffff8149a581>] unmap_single_vma+0xf81/0x12a0 mm/memory.c:1331
 [<ffffffff8149c201>] unmap_vmas+0x81/0xd0 mm/memory.c:1382
 [<ffffffff814a933d>] unmap_region+0x1ad/0x330 mm/mmap.c:2467
 [<ffffffff814ad63f>] do_munmap+0x70f/0xec0 mm/mmap.c:2664
 [<ffffffff814b9281>] move_vma+0x511/0x9b0 mm/mremap.c:323
 [<ffffffff814ba2ab>] mremap_to mm/mremap.c:442 [inline]
 [<ffffffff814ba2ab>] SYSC_mremap mm/mremap.c:505 [inline]
 [<ffffffff814ba2ab>] SyS_mremap+0xb8b/0xe60 mm/mremap.c:472
 [<ffffffff8377365f>] entry_SYSCALL_64_fastpath+0x1c/0x98
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (211):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/03/04 19:13 https://android.googlesource.com/kernel/common android-4.4 855ea747806b 2c6f473e .config console log report syz C ci-android-44-kasan-gce
2018/12/23 01:03 https://android.googlesource.com/kernel/common android-4.4 dfca92bab267 e3bd7ab8 .config console log report syz ci-android-44-kasan-gce
2018/12/23 01:09 https://android.googlesource.com/kernel/common android-4.4 dfca92bab267 e3bd7ab8 .config console log report syz ci-android-44-kasan-gce-386
2018/03/04 19:26 https://android.googlesource.com/kernel/common android-4.4 855ea747806b 2c6f473e .config console log report syz ci-android-44-kasan-gce-386
2019/03/13 00:03 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b a71bfb62 .config console log report ci-android-44-kasan-gce
2019/03/08 07:41 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 4b69c3cb .config console log report ci-android-44-kasan-gce
2019/03/07 07:34 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 18215b8d .config console log report ci-android-44-kasan-gce
2019/02/24 17:31 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 7a06e792 .config console log report ci-android-44-kasan-gce
2019/02/22 22:54 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 6a5fcca4 .config console log report ci-android-44-kasan-gce
2019/02/20 21:18 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b c95f0707 .config console log report ci-android-44-kasan-gce
2019/02/06 00:11 https://android.googlesource.com/kernel/common android-4.4 6d1e42fb1a28 d672172c .config console log report ci-android-44-kasan-gce
2019/02/04 10:26 https://android.googlesource.com/kernel/common android-4.4 b3e9e81ee068 c198d5dd .config console log report ci-android-44-kasan-gce
2019/01/30 17:24 https://android.googlesource.com/kernel/common android-4.4 b3e9e81ee068 aa432daf .config console log report ci-android-44-kasan-gce
2019/01/30 03:22 https://android.googlesource.com/kernel/common android-4.4 b3e9e81ee068 aa432daf .config console log report ci-android-44-kasan-gce
2019/01/28 20:38 https://android.googlesource.com/kernel/common android-4.4 b3e9e81ee068 629c2a27 .config console log report ci-android-44-kasan-gce
2019/01/25 23:53 https://android.googlesource.com/kernel/common android-4.4 d0c3914ffbe4 ebf7a37c .config console log report ci-android-44-kasan-gce
2019/01/17 23:11 https://android.googlesource.com/kernel/common android-4.4 b355d4f7ce55 769e75ed .config console log report ci-android-44-kasan-gce
2019/01/15 07:40 https://android.googlesource.com/kernel/common android-4.4 c69bfa0ff38e ebacf5cb .config console log report ci-android-44-kasan-gce
2019/01/11 23:00 https://android.googlesource.com/kernel/common android-4.4 a956c6a16374 c3f3344c .config console log report ci-android-44-kasan-gce
2019/01/10 14:40 https://android.googlesource.com/kernel/common android-4.4 d08574b6f0ae db9b6579 .config console log report ci-android-44-kasan-gce
2019/01/08 10:04 https://android.googlesource.com/kernel/common android-4.4 d08574b6f0ae 37dd2683 .config console log report ci-android-44-kasan-gce
2019/01/06 17:15 https://android.googlesource.com/kernel/common android-4.4 d08574b6f0ae 94f8adb5 .config console log report ci-android-44-kasan-gce
2018/12/09 17:12 https://android.googlesource.com/kernel/common android-4.4 0d71150b2638 979179d6 .config console log report ci-android-44-kasan-gce
2018/03/04 18:57 https://android.googlesource.com/kernel/common android-4.4 855ea747806b 2c6f473e .config console log report ci-android-44-kasan-gce
2019/03/09 15:32 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 12365b99 .config console log report ci-android-44-kasan-gce-386
2019/03/09 03:53 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 12365b99 .config console log report ci-android-44-kasan-gce-386
2019/03/08 16:12 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 12365b99 .config console log report ci-android-44-kasan-gce-386
2019/03/07 20:08 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 8c085c5e .config console log report ci-android-44-kasan-gce-386
2019/02/23 13:28 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b 18107ce0 .config console log report ci-android-44-kasan-gce-386
2019/02/09 06:38 https://android.googlesource.com/kernel/common android-4.4 62872f952d6b fa6c7b70 .config console log report ci-android-44-kasan-gce-386
2019/02/06 04:42 https://android.googlesource.com/kernel/common android-4.4 6d1e42fb1a28 d672172c .config console log report ci-android-44-kasan-gce-386
2019/02/05 06:10 https://android.googlesource.com/kernel/common android-4.4 f38b204f76a9 d672172c .config console log report ci-android-44-kasan-gce-386
2019/02/04 06:16 https://android.googlesource.com/kernel/common android-4.4 b3e9e81ee068 c198d5dd .config console log report ci-android-44-kasan-gce-386
2019/01/27 06:46 https://android.googlesource.com/kernel/common android-4.4 d0c3914ffbe4 c73f090a .config console log report ci-android-44-kasan-gce-386
2019/01/20 14:38 https://android.googlesource.com/kernel/common android-4.4 24189101975d 353f32ea .config console log report ci-android-44-kasan-gce-386
2019/01/17 23:11 https://android.googlesource.com/kernel/common android-4.4 b355d4f7ce55 769e75ed .config console log report ci-android-44-kasan-gce-386
2019/01/11 17:23 https://android.googlesource.com/kernel/common android-4.4 a956c6a16374 c3f3344c .config console log report ci-android-44-kasan-gce-386
2019/01/10 14:40 https://android.googlesource.com/kernel/common android-4.4 d08574b6f0ae db9b6579 .config console log report ci-android-44-kasan-gce-386
2018/12/30 02:39 https://android.googlesource.com/kernel/common android-4.4 dfca92bab267 35e3f847 .config console log report ci-android-44-kasan-gce-386
2018/12/24 15:24 https://android.googlesource.com/kernel/common android-4.4 dfca92bab267 be79df56 .config console log report ci-android-44-kasan-gce-386
2018/12/19 04:09 https://android.googlesource.com/kernel/common android-4.4 b95a8c048a28 4edaba93 .config console log report ci-android-44-kasan-gce-386
2018/12/18 06:52 https://android.googlesource.com/kernel/common android-4.4 b95a8c048a28 def91db3 .config console log report ci-android-44-kasan-gce-386
2018/12/16 08:49 https://android.googlesource.com/kernel/common android-4.4 b95a8c048a28 def91db3 .config console log report ci-android-44-kasan-gce-386
2018/12/12 01:29 https://android.googlesource.com/kernel/common android-4.4 c680c9a47272 7795ae03 .config console log report ci-android-44-kasan-gce-386
2018/11/24 12:32 https://android.googlesource.com/kernel/common android-4.4 564ce1b48436 ecc7c870 .config console log report ci-android-44-kasan-gce-386
2018/11/24 09:59 https://android.googlesource.com/kernel/common android-4.4 564ce1b48436 ecc7c870 .config console log report ci-android-44-kasan-gce-386
2018/11/14 12:46 https://android.googlesource.com/kernel/common android-4.4 498bf61266f1 5f5f6d14 .config console log report ci-android-44-kasan-gce-386
* Struck through repros no longer work on HEAD.