syzbot


WARNING in untrack_pfn

Status: upstream: reported C repro on 2018/07/23 16:59
Reported-by: syzbot+e1a4f80c370d2381e49f@syzkaller.appspotmail.com
First crash: 1658d, last: 2d20h

Cause bisection: introduced by (bisect log) :
commit c68729119f4d2993bec3c9cb999ad76de5aeddba
Author: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Sat Jul 15 09:58:19 2017 +0000

  leds: tlc591xx: add missing of_node_put

Crash: WARNING in untrack_pfn (log)
Repro: syz .config

Fix bisection: failed (bisect log)
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 WARNING in untrack_pfn syz 35 1160d 1393d 0/3 public: reported syz repro on 2019/04/14 09:28
linux-4.19 WARNING in untrack_pfn C error 24 19d 1280d 0/1 upstream: reported C repro on 2019/08/05 09:38
linux-4.14 WARNING in untrack_pfn C inconclusive 27 11d 1272d 0/1 upstream: reported C repro on 2019/08/13 08:40
android-44 WARNING in untrack_pfn C 211 1426d 1799d 0/2 closed as invalid on 2019/03/16 01:21
android-414 WARNING in untrack_pfn syz 1 1506d 1395d 0/1 public: reported syz repro on 2019/04/13 00:01
android-44 WARNING in untrack_pfn (2) C 71 1160d 1396d 0/2 public: reported C repro on 2019/04/11 08:44

Sample crash report:
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5073 at arch/x86/mm/pat/memtype.c:1061 untrack_pfn+0x24b/0x290 arch/x86/mm/pat/memtype.c:1061
Modules linked in:
CPU: 0 PID: 5073 Comm: syz-executor956 Not tainted 6.2.0-rc4-syzkaller-00031-g6e50979a9c87 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:untrack_pfn+0x24b/0x290 arch/x86/mm/pat/memtype.c:1061
Code: 85 6c ff ff ff e8 c5 fb 46 00 4c 89 ee 4c 89 e7 e8 fa e1 ff ff e8 b5 fb 46 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 a5 fb 46 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 26 00 95 00 e9 98 fe ff ff e8 9c
RSP: 0018:ffffc90003c4f740 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802b18cee0 RCX: 0000000000000000
RDX: ffff888029a60000 RSI: ffffffff813a66cb RDI: 0000000000000005
RBP: 1ffff92000789ee8 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000000 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802b18cf00
FS:  000055555733f300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62c1242fd0 CR3: 000000001c619000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1b4/0x2a0 mm/memory.c:1624
 unmap_vmas+0x226/0x370 mm/memory.c:1685
 exit_mmap+0x18d/0x7b0 mm/mmap.c:3089
 __mmput+0x128/0x4c0 kernel/fork.c:1207
 mmput+0x60/0x70 kernel/fork.c:1229
 dup_mm kernel/fork.c:1564 [inline]
 copy_mm kernel/fork.c:1597 [inline]
 copy_process+0x4623/0x7520 kernel/fork.c:2266
 kernel_clone+0xeb/0x990 kernel/fork.c:2681
 __do_sys_clone+0xba/0x100 kernel/fork.c:2822
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f62c1213699
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffddbc4a9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f62c1213699
RDX: 0000000000000000 RSI: 0000000000000060 RDI: 0000000000000000
RBP: 00007ffddbc4aa10 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Crashes (105):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce 2023/01/18 00:31 upstream 6e50979a9c87 aedf5331 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/12/28 00:19 upstream 1b929c02afd3 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/12/27 04:25 upstream 1b929c02afd3 9da18ae8 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in untrack_pfn
ci-upstream-kasan-gce-selinux-root 2022/10/20 08:55 upstream 55be6084c8e0 b31320fc .config strace log report syz C [disk image] [vmlinux] WARNING in untrack_pfn
ci-upstream-kasan-gce-root 2022/10/17 11:37 upstream 55be6084c8e0 67cb024c .config strace log report syz C [disk image] [vmlinux] WARNING in untrack_pfn
ci-upstream-kasan-gce-selinux-root 2022/10/17 11:05 upstream 55be6084c8e0 67cb024c .config strace log report syz C [disk image] [vmlinux] WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/10/09 05:23 upstream a6afa4199d3d aea5da89 .config strace log report syz C [disk image] [vmlinux] WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/09/24 03:08 upstream 1707c39ae309 0042f2b4 .config strace log report syz C [disk image] [vmlinux] WARNING in untrack_pfn
ci-upstream-kasan-gce-selinux-root 2022/09/23 14:35 upstream bf682942cd26 0042f2b4 .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-selinux-root 2022/09/21 08:28 upstream 60891ec99e14 c4b8ccfd .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/08/27 09:24 upstream 3e5c673f0d75 07177916 .config console log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/08/23 22:13 upstream 072e51356cd5 cea8b0f7 .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-root 2022/07/28 01:08 upstream 6e7765cb477a fb95c74d .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-root 2022/07/25 17:40 upstream e0dccc3b76fb 664c519c .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-root 2022/07/07 23:53 upstream e8a4e1c1bb69 bff65f44 .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-root 2022/07/07 08:01 upstream 9f09069cde34 bff65f44 .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/06/18 13:42 upstream 4b35035bcf80 8f633d84 .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/06/16 06:51 upstream 979086f5e006 1719ee24 .config console log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/06/16 04:04 upstream 979086f5e006 1719ee24 .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/05/21 09:43 upstream 3b5e1590a267 7268fa62 .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce 2021/12/17 01:28 upstream fa36bbe6d43f 8dd6a5e3 .config console log report syz C WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/09/06 07:07 linux-next e47eb90a0a9a 9dcd38fc .config strace log report syz C WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/09/04 15:08 linux-next e47eb90a0a9a 28811d0a .config strace log report syz C WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/08/14 21:25 linux-next 6c8f479764eb 8dfcaa3d .config strace log report syz C WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/08/14 12:35 linux-next 6c8f479764eb 8dfcaa3d .config console log report syz C WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/08/14 05:02 linux-next 6c8f479764eb 8dfcaa3d .config console log report syz C WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/06/12 02:49 linux-next 6d0c80680317 0d5abf15 .config console log report syz C WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/13 00:07 linux-next 187b9ac8c348 9ad6612a .config strace log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2019/08/13 10:55 upstream d45331b00ddb 8620c2c2 .config console log report syz C
ci-upstream-kasan-gce-selinux-root 2018/12/23 00:34 upstream 23203e3f34c9 e3bd7ab8 .config console log report syz
ci-upstream-kasan-gce-smack-root 2018/10/13 11:40 upstream bab5c80b2110 caf12900 .config console log report syz
ci-upstream-kasan-gce-root 2018/09/02 05:15 upstream 360bd62dc494 a4718693 .config console log report syz
ci-upstream-kasan-gce-386 2018/08/31 00:37 upstream 58c3f14f86c9 938220fd .config console log report syz
ci-upstream-linux-next-kasan-gce-root 2018/07/23 10:56 linux-next 89cf55353308 f69c5fcd .config console log report syz
ci-upstream-kasan-gce 2022/12/28 15:00 upstream 1b929c02afd3 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/11/21 06:33 upstream 77c51ba552a1 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/11/17 06:08 upstream 59d0d52c30d4 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/10/10 19:01 upstream 4899a36f91a9 aea5da89 .config console log report info [disk image] [vmlinux] WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/09/11 10:31 upstream b96fbd602d35 356d8217 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-selinux-root 2022/09/04 01:05 upstream d895ec7938c4 28811d0a .config console log report info [disk image] [vmlinux] WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/08/31 07:38 upstream dcf8e5633e2e 4a380809 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-selinux-root 2022/08/28 12:42 upstream 10d4879f9ef0 07177916 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/08/26 00:35 upstream 3f5c20055a64 9b5bf4cd .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/07/21 00:52 upstream 353f7988dd84 88cb1383 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/07/02 19:16 upstream 089866061428 1434eec0 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-root 2022/06/24 21:07 upstream 92f20ff72066 a5dbd430 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/06/10 01:13 upstream 6bfb56e93bce 0d5abf15 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/06/06 08:46 upstream 952923ddc011 c8857892 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/06/01 20:42 upstream 700170bf6b4d 3666edfe .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/05/31 07:47 upstream 2c5ca23f7414 af70c3a9 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/05/23 05:20 upstream 4b0986a3613c 7268fa62 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-root 2022/05/20 06:13 upstream b015dcd62b86 cb1ac2e7 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/04/23 16:13 upstream c00c5e1d157b 131df97d .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/03/28 07:25 upstream f82da161ea75 89bc8608 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/01/17 01:34 upstream 79e06c4c4950 723cfaf0 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/01/11 15:41 upstream fe8152b38d3a 1884f55a .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2021/11/13 17:26 upstream 66f4beaa6c1d 83f5c9b5 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-386 2022/12/25 20:47 upstream 72a85e2b0a1e 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2023/02/03 05:09 linux-next ea4dabbb4ad7 16d19e30 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/09/30 07:30 linux-next aaa11ce2ffc8 1d385642 .config console log report info [disk image] [vmlinux] WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/08/30 07:58 linux-next b27a3ca08ba7 5b44472d .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/20 03:47 linux-next 3f7bdc402fb0 cb1ac2e7 .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/19 09:13 linux-next 3f7bdc402fb0 50c53f39 .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/18 18:56 linux-next 3f7bdc402fb0 50c53f39 .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/17 18:01 linux-next 3f7bdc402fb0 744a39e2 .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/17 06:49 linux-next 3f7bdc402fb0 744a39e2 .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/17 03:56 linux-next 3f7bdc402fb0 744a39e2 .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/17 01:34 linux-next 3f7bdc402fb0 744a39e2 .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/14 14:29 linux-next 1e1b28b936ae 744a39e2 .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/12 23:53 linux-next 187b9ac8c348 9ad6612a .config console log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/04/29 04:31 linux-next bdc61aad77fa e9076525 .config console log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2019/10/07 03:27 upstream b212921b13bd f3f7d9c8 .config console log report
ci-upstream-kasan-gce-smack-root 2019/09/19 04:42 upstream d013cc800a2a 46c0be24 .config console log report
ci-upstream-kasan-gce 2019/09/18 05:22 upstream 7f2444d38f6b 03e0d245 .config console log report
ci-upstream-kasan-gce-root 2019/09/14 17:32 upstream a7f89616b737 32d59357 .config console log report
ci-upstream-kasan-gce-smack-root 2019/09/14 17:31 upstream a7f89616b737 32d59357 .config console log report
ci-upstream-kasan-gce-smack-root 2019/09/11 11:15 upstream 3120b9a6a3f7 a60cb4cd .config console log report
ci-upstream-kasan-gce-selinux-root 2019/09/09 00:04 upstream 950b07c14e8c a60cb4cd .config console log report
ci-upstream-kasan-gce-smack-root 2019/09/05 11:11 upstream 3b47fd5ca9ea 040fda58 .config console log report
ci-upstream-kasan-gce-selinux-root 2019/09/03 23:07 upstream 089cf7f6ecb2 48448e71 .config console log report
ci-upstream-kasan-gce-root 2019/09/03 13:35 upstream 089cf7f6ecb2 48448e71 .config console log report
* Struck through repros no longer work on HEAD.