WARNING in reiserfs_put

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: 391d, last: 49d

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

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	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