syzbot


WARNING in reiserfs_put_super

Status: upstream: reported syz repro on 2020/09/24 09:27
Reported-by: syzbot+fcdd69a8426baab36109@syzkaller.appspotmail.com
First crash: 735d, last: 393d

Cause bisection: introduced by (bisect log) :
commit f902b02600028dfc0c9df811eb711ac7d7fca09f
Author: Christoph Hellwig <hch@lst.de>
Date: Thu Nov 14 14:34:32 2019 +0000

  block: refactor rescan_partitions

Crash: WARNING in reiserfs_put_super (log)
Repro: syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in reiserfs_put_super 1 71d 71d 0/1 upstream: reported on 2022/07/18 21:50

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8499 at kernel/workqueue.c:4413 destroy_workqueue.cold+0x5/0x71 kernel/workqueue.c:4413
Modules linked in:
CPU: 1 PID: 8499 Comm: syz-executor.5 Not tainted 5.14.0-rc2-next-20210723-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:destroy_workqueue.cold+0x5/0x71 kernel/workqueue.c:4413
Code: c5 3d 7a f8 b9 e8 03 00 00 31 d2 48 c7 c7 e0 ff 8a 89 f7 f1 89 c6 e8 fc 87 00 00 c6 44 24 2f 01 e9 e7 56 62 f8 e8 6f c4 8b f8 <0f> 0b 48 c7 c6 e0 04 8b 89 48 c7 c7 20 00 8b 89 49 8d 96 60 01 00
RSP: 0018:ffffc90001b3fcd0 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff88801bedd580 RSI: ffffffff88e9fd31 RDI: 0000000000000003
RBP: 000000000000000f R08: 0000000000000001 R09: 0000000000000003
R10: ffffffff814c5ab3 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffe8ffffd91a00 R14: ffff88802a9d2400 R15: 0000000000000000
FS:  000000000290e400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffef18ce720 CR3: 00000000370a3000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 reiserfs_put_super+0x234/0x5c0 fs/reiserfs/super.c:631
 generic_shutdown_super+0x14c/0x370 fs/super.c:465
 kill_block_super+0x97/0xf0 fs/super.c:1395
 deactivate_locked_super+0x94/0x160 fs/super.c:335
 deactivate_super+0xad/0xd0 fs/super.c:366
 cleanup_mnt+0x3a2/0x540 fs/namespace.c:1136
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x467a47
Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffca786e4d8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a47
RDX: 00007ffca786e5a9 RSI: 0000000000000002 RDI: 00007ffca786e5a0
RBP: 00007ffca786e5a0 R08: 00000000ffffffff R09: 00007ffca786e370
R10: 000000000290f8e3 R11: 0000000000000246 R12: 00000000004bee90
R13: 00007ffca786f670 R14: 000000000290f810 R15: 00007ffca786f6b0

Crashes (64):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/07/25 13:43 linux-next 90d856e71443 4d1b57d4 .config log report syz WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/08/30 15:35 upstream 7d2a07b76933 8f58a0ef .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/08/30 04:16 upstream 90ac80dcd313 be2c130d .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/08/29 03:26 upstream 3f5ad13cb012 be2c130d .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/08/26 12:11 upstream 73f3af7b4611 b599f2fc .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/08/17 15:36 upstream 794c7931a242 a2fe1cb5 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/08/10 10:54 upstream 9a73fa375d58 6972b106 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/07/31 10:26 upstream c7d102232649 6c236867 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/07/31 02:26 upstream 764a5bc89b12 6c236867 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/07/29 13:04 upstream 4010a528219e b44001ce .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/07/28 21:52 upstream 4010a528219e 9a4781d4 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/07/28 20:19 upstream 4010a528219e 9a4781d4 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/07/25 22:33 upstream d8079fac1681 4d1b57d4 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-root 2021/07/23 14:57 upstream 9bead1b58c4c bc5f1d88 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/07/17 06:22 upstream d980cc0620ae f115ae98 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/06/28 01:41 upstream b4b27b9eed8e 9d2ab5df .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/06/21 17:50 upstream 13311e74253f aba2b2fb .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/06/20 22:48 upstream cba5e97280f5 aba2b2fb .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/06/17 00:26 upstream 6b00bc639f1f aba2b2fb .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream 2021/06/16 21:43 upstream 6b00bc639f1f aba2b2fb .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream 2021/06/12 21:44 upstream 141415d7379a 1ba81399 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/06/05 04:13 upstream 16f0596fc1d7 500c2339 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/06/04 14:41 upstream f88cd3fb9df2 966a236b .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-root 2021/06/02 11:32 upstream 231bc5390667 0740de69 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/05/31 06:49 upstream 8124c8a6b353 325a8dab .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/05/17 11:05 upstream d07f6ca923ea a2eb125d .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream 2021/05/17 01:24 upstream d07f6ca923ea f54a5c09 .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream 2021/05/17 01:07 upstream d07f6ca923ea f54a5c09 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/05/15 12:14 upstream 25a1298726e9 93f844de .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/05/12 12:44 upstream 88b06399c9c7 da958a4d .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/05/10 23:20 upstream 0aa099a312b6 ca873091 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/05/10 01:49 upstream 6efb943b8616 bc5434be .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream 2021/05/09 23:45 upstream 9819f682e48c bc5434be .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/05/03 18:29 upstream d2b6f8a17919 ad61f371 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/04/16 15:35 upstream 7e25f40eab52 7e2b734b .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-root 2021/04/15 22:30 upstream 7e25f40eab52 c59079a6 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/04/08 03:46 upstream 3a22981230f9 6a81331a .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/03/29 22:43 upstream 1e43c377a79f 6a81331a .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/03/21 19:55 upstream 5ee96fa9dd78 bea32f74 .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/03/20 06:02 upstream 1c273e10bc0c 3d01c4de .config log report info WARNING in reiserfs_put_super
ci-upstream-kasan-gce-selinux-root 2021/02/21 06:26 upstream e767b3530acb 3e5ed8b4 .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream 2021/02/20 22:59 upstream f40ddce88593 3e5ed8b4 .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream-386 2021/05/31 18:19 upstream c2131f7e73c9 032639db .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream-386 2021/05/26 22:46 upstream 7ac3a1c1ae51 858ea628 .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream-386 2021/05/10 12:28 upstream 6efb943b8616 ca873091 .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream-386 2021/04/19 08:49 upstream bf05bf16c76b 50f523d7 .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream-386 2021/04/18 10:19 upstream c98ff1d013d2 7e2b734b .config log report info WARNING in reiserfs_put_super
ci-upstream-linux-next-kasan-gce-root 2021/08/05 20:22 linux-next 8d4b477da1a8 d2d6e680 .config log report info WARNING in reiserfs_put_super
ci-upstream-linux-next-kasan-gce-root 2021/07/27 00:48 linux-next 2265c5286967 fd511809 .config log report info WARNING in reiserfs_put_super
ci-upstream-linux-next-kasan-gce-root 2021/07/25 13:16 linux-next 90d856e71443 4d1b57d4 .config log report info WARNING in reiserfs_put_super
ci-upstream-linux-next-kasan-gce-root 2021/07/24 21:33 linux-next 90d856e71443 4d1b57d4 .config log report info WARNING in reiserfs_put_super
ci-upstream-linux-next-kasan-gce-root 2021/07/12 19:31 linux-next db503865b9ba f415556d .config log report info WARNING in reiserfs_put_super
ci-upstream-linux-next-kasan-gce-root 2021/06/10 03:59 linux-next a1f92694393a 1ba81399 .config log report info WARNING in reiserfs_put_super
ci-upstream-linux-next-kasan-gce-root 2021/05/31 16:26 linux-next a1f92694393a 032639db .config log report info WARNING in reiserfs_put_super
ci-upstream-linux-next-kasan-gce-root 2021/05/05 00:04 linux-next 9a9aa07ae18b 06c27ff5 .config log report info WARNING in reiserfs_put_super
ci-qemu-upstream 2020/12/04 19:08 upstream e87297fa080a 20366b87 .config log report info
ci-qemu-upstream 2020/11/27 21:06 upstream 99c710c46dfc 5018c946 .config log report info
ci-qemu-upstream 2020/11/26 15:51 upstream fa02fcd94b0c 5018c946 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/24 21:46 upstream 80145ac2f739 e34b696c .config log report info
ci-qemu-upstream 2020/11/13 23:35 upstream 9e6a39eae450 1bf9a662 .config log report info
ci-qemu-upstream 2020/11/02 07:36 upstream 3cea11cd5e3b 8bc4594f .config log report info
ci-qemu-upstream 2020/09/27 21:42 upstream 16bc1d5432eb 5dd8aee8 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/22 15:51 upstream 98477740630f 3e8f6c27 .config log report info
* Struck through repros no longer work on HEAD.