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: 1405d, last: 5d18h

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 907d 1140d 0/3 public: reported syz repro on 2019/04/14 09:28
linux-4.19 WARNING in untrack_pfn C error 13 112d 1027d 0/1 upstream: reported C repro on 2019/08/05 09:38
linux-4.14 WARNING in untrack_pfn syz inconclusive 24 76d 1019d 0/1 upstream: reported syz repro on 2019/08/13 08:40
android-44 WARNING in untrack_pfn C 211 1173d 1546d 0/2 closed as invalid on 2019/03/16 01:21
android-414 WARNING in untrack_pfn syz 1 1252d 1142d 0/1 public: reported syz repro on 2019/04/13 00:01
android-44 WARNING in untrack_pfn (2) C 71 907d 1143d 0/2 public: reported C repro on 2019/04/11 08:44

Sample crash report:
RBP: 0000000000000000 R08: 0000000000000002 R09: 00007f591e003832
R10: 00007ffdd548d310 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffdd548d460 R14: 00007ffdd548d470 R15: 00007ffdd548d430
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3614 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290 arch/x86/mm/pat/memtype.c:1099
Modules linked in:
CPU: 1 PID: 3614 Comm: syz-executor411 Not tainted 5.18.0-rc7-syzkaller-00136-g3b5e1590a267 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:untrack_pfn+0x247/0x290 arch/x86/mm/pat/memtype.c:1099
Code: 84 6c ff ff ff e8 39 98 42 00 4c 89 ee 4c 89 e7 e8 ae dd ff ff e8 29 98 42 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 19 98 42 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 fa 28 8e 00 e9 98 fe ff ff e8 10
RSP: 0018:ffffc900030ff678 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801c701d68 RCX: 0000000000000000
RDX: ffff88801b1b0000 RSI: ffffffff8136a8d7 RDI: 0000000000000003
RBP: 1ffff9200061fecf R08: 0000000000000000 R09: ffffc900030ff600
R10: ffffffff8136a7a6 R11: 0000000000000000 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801c701db8
FS:  0000555556bc8400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f591e6e7c98 CR3: 000000007a0f5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1bc/0x310 mm/memory.c:1592
 unmap_vmas+0x16b/0x2f0 mm/memory.c:1645
 exit_mmap+0x1c4/0x4a0 mm/mmap.c:3140
 __mmput+0x122/0x4b0 kernel/fork.c:1184
 mmput+0x56/0x60 kernel/fork.c:1205
 dup_mm+0xd73/0x13d0 kernel/fork.c:1537
 copy_mm kernel/fork.c:1573 [inline]
 copy_process+0x3b14/0x6fe0 kernel/fork.c:2234
 kernel_clone+0xe7/0xab0 kernel/fork.c:2639
 __do_sys_clone3+0x1dd/0x2f0 kernel/fork.c:2914
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f591e692a49
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdd548d2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f591e692a49
RDX: 0000000000000300 RSI: 0000000000000058 RDI: 00007ffdd548d310
RBP: 0000000000000000 R08: 0000000000000002 R09: 00007f591e003832
R10: 00007ffdd548d310 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffdd548d460 R14: 00007ffdd548d470 R15: 00007ffdd548d430
 </TASK>

Crashes (59):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2022/05/21 09:43 upstream 3b5e1590a267 7268fa62 .config log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce 2021/12/17 01:28 upstream fa36bbe6d43f 8dd6a5e3 .config 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 log report syz C WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2019/08/13 10:55 upstream d45331b00ddb 8620c2c2 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2018/12/23 00:34 upstream 23203e3f34c9 e3bd7ab8 .config log report syz
ci-upstream-kasan-gce-smack-root 2018/10/13 11:40 upstream bab5c80b2110 caf12900 .config log report syz
ci-upstream-kasan-gce-root 2018/09/02 05:15 upstream 360bd62dc494 a4718693 .config log report syz
ci-upstream-kasan-gce-386 2018/08/31 00:37 upstream 58c3f14f86c9 938220fd .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/07/23 10:56 linux-next 89cf55353308 f69c5fcd .config log report syz
ci-upstream-kasan-gce-smack-root 2022/05/23 05:20 upstream 4b0986a3613c 7268fa62 .config log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-root 2022/05/20 06:13 upstream b015dcd62b86 cb1ac2e7 .config log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/04/23 16:13 upstream c00c5e1d157b 131df97d .config log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/03/28 07:25 upstream f82da161ea75 89bc8608 .config log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2022/01/17 01:34 upstream 79e06c4c4950 723cfaf0 .config log report info WARNING in untrack_pfn
ci-upstream-kasan-gce 2022/01/11 15:41 upstream fe8152b38d3a 1884f55a .config log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2021/11/13 17:26 upstream 66f4beaa6c1d 83f5c9b5 .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/20 03:47 linux-next 3f7bdc402fb0 cb1ac2e7 .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/19 09:13 linux-next 3f7bdc402fb0 50c53f39 .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/18 18:56 linux-next 3f7bdc402fb0 50c53f39 .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/17 18:01 linux-next 3f7bdc402fb0 744a39e2 .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/17 06:49 linux-next 3f7bdc402fb0 744a39e2 .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/17 03:56 linux-next 3f7bdc402fb0 744a39e2 .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/17 01:34 linux-next 3f7bdc402fb0 744a39e2 .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/14 14:29 linux-next 1e1b28b936ae 744a39e2 .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/05/12 23:53 linux-next 187b9ac8c348 9ad6612a .config log report info WARNING in untrack_pfn
ci-upstream-linux-next-kasan-gce-root 2022/04/29 04:31 linux-next bdc61aad77fa e9076525 .config log report info WARNING in untrack_pfn
ci-upstream-kasan-gce-smack-root 2019/10/07 03:27 upstream b212921b13bd f3f7d9c8 .config log report
ci-upstream-kasan-gce-smack-root 2019/09/19 04:42 upstream d013cc800a2a 46c0be24 .config log report
ci-upstream-kasan-gce 2019/09/18 05:22 upstream 7f2444d38f6b 03e0d245 .config log report
ci-upstream-kasan-gce-root 2019/09/14 17:32 upstream a7f89616b737 32d59357 .config log report
ci-upstream-kasan-gce-smack-root 2019/09/14 17:31 upstream a7f89616b737 32d59357 .config log report
ci-upstream-kasan-gce-smack-root 2019/09/11 11:15 upstream 3120b9a6a3f7 a60cb4cd .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/09 00:04 upstream 950b07c14e8c a60cb4cd .config log report
ci-upstream-kasan-gce-smack-root 2019/09/05 11:11 upstream 3b47fd5ca9ea 040fda58 .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/03 23:07 upstream 089cf7f6ecb2 48448e71 .config log report
ci-upstream-kasan-gce-root 2019/09/03 13:35 upstream 089cf7f6ecb2 48448e71 .config log report
ci-upstream-kasan-gce-root 2019/09/02 13:35 upstream 9f159ae07f07 db7c31ca .config log report
ci-upstream-kasan-gce-smack-root 2019/08/29 13:57 upstream 6525771f58cb fd37b39e .config log report
ci-upstream-kasan-gce-selinux-root 2019/08/29 04:47 upstream 6525771f58cb fd37b39e .config log report
ci-upstream-kasan-gce-smack-root 2019/08/21 18:04 upstream 15d90b242290 4ea67ff8 .config log report
ci-upstream-kasan-gce-root 2019/08/21 11:28 upstream 15d90b242290 4ea67ff8 .config log report
ci-upstream-kasan-gce-smack-root 2019/08/20 17:01 upstream 5f97cbe22b76 cfc9868f .config log report
ci-upstream-kasan-gce-selinux-root 2019/08/20 06:09 upstream 06821504fd47 ee12860b .config log report
ci-upstream-kasan-gce-smack-root 2019/08/19 19:37 upstream d1abaeb3be7b ee12860b .config log report
ci-upstream-kasan-gce-root 2019/08/17 15:17 upstream 6e625a1a3f47 8fd428a1 .config log report
ci-upstream-kasan-gce-root 2019/08/16 23:33 upstream 2d63ba3e41db 8fd428a1 .config log report
ci-upstream-kasan-gce-selinux-root 2019/08/16 11:24 upstream 329120423947 8fd428a1 .config log report
ci-upstream-kasan-gce-smack-root 2019/08/14 10:05 upstream ee1c7bd33e66 5576551b .config log report
ci-upstream-kasan-gce-smack-root 2019/08/14 05:01 upstream ee1c7bd33e66 ef801a3e .config log report
ci-upstream-kasan-gce-smack-root 2019/08/13 10:16 upstream d45331b00ddb 8620c2c2 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/06 07:38 upstream 8834f5600cf3 d672172c .config log report
ci-upstream-kasan-gce 2019/01/21 20:31 upstream 49a57857aeea badbbeee .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/02 08:51 upstream 28e8c4bc8eb4 3d85f48c .config log report
ci-upstream-kasan-gce-smack-root 2018/10/13 07:23 upstream bab5c80b2110 caf12900 .config log report
ci-upstream-kasan-gce-selinux-root 2018/09/21 18:43 upstream 234b69e3e089 37079712 .config log report
ci-upstream-kasan-gce-root 2018/09/02 00:35 upstream 360bd62dc494 a4718693 .config log report
ci-upstream-kasan-gce-386 2019/08/22 06:38 upstream bb7ba8069de9 984250d5 .config log report
ci-upstream-kasan-gce-386 2018/08/30 22:04 upstream 58c3f14f86c9 938220fd .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/23 10:11 linux-next 89cf55353308 f69c5fcd .config log report