WARNING in __queue

WARNING in __queue_work (3)
Status: upstream: reported syz repro on 2020/08/04 00:36
Reported-by: syzbot+63bed493aebbf6872647@syzkaller.appspotmail.com
First crash: 537d, last: 10h15m

Cause bisection: failed (bisect log)

similar bugs (5):
Kernel	Title	Repro	Count	Last	Reported	Patched	Status
upstream	WARNING in __queue_work	C	1	1432d	1432d	4/22	fixed on 2018/02/26 20:04
linux-4.14	WARNING in __queue_work		3	325d	364d	0/1	auto-closed as invalid on 2021/06/28 11:00
upstream	WARNING in __queue_work (2)		1	611d	607d	0/22	auto-closed as invalid on 2020/07/17 09:16
linux-4.14	WARNING in __queue_work (2)		1	43d	43d	0/1	upstream: reported on 2021/12/07 06:42
linux-4.19	WARNING in __queue_work		13	16h53m	496d	0/1	upstream: reported on 2020/09/10 01:47

Sample crash report:

------------[ cut here ]------------
WARNING: CPU: 1 PID: 20482 at kernel/workqueue.c:1419 __queue_work+0xc00/0xc60 kernel/workqueue.c:1419
Modules linked in:
CPU: 1 PID: 20482 Comm: syz-executor.4 Not tainted 5.14.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__queue_work+0xc00/0xc60 kernel/workqueue.c:1419
Code: c7 c7 80 9c 5c 8c e8 0f b8 d6 02 e9 f5 fb ff ff e8 35 63 2d 00 eb 13 e8 2e 63 2d 00 eb 0c e8 27 63 2d 00 eb 05 e8 20 63 2d 00 <0f> 0b 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 0a 63 2d 00
RSP: 0018:ffffc9000a83f5e0 EFLAGS: 00010093
RAX: ffffffff8152d4a2 RBX: ffff888022108000 RCX: ffff888022108000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8152d2c5 R09: ffffed10024b4970
R10: ffffed10024b4970 R11: 0000000000000000 R12: 0000000000000008
R13: dffffc0000000000 R14: ffff8880125a4b78 R15: ffff88802d9c0800
FS:  00007f592cc3c700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000568000 CR3: 000000006ab1f000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 queue_work_on+0x111/0x200 kernel/workqueue.c:1525
 l2cap_chan_send+0x8d6/0x1790 net/bluetooth/l2cap_core.c:2714
 l2cap_sock_sendmsg+0x1a6/0x2b0 net/bluetooth/l2cap_sock.c:1142
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg net/socket.c:723 [inline]
 ____sys_sendmsg+0x5a2/0x900 net/socket.c:2392
 ___sys_sendmsg net/socket.c:2446 [inline]
 __sys_sendmmsg+0x500/0x790 net/socket.c:2532
 __do_sys_sendmmsg net/socket.c:2561 [inline]
 __se_sys_sendmmsg net/socket.c:2558 [inline]
 __x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2558
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f592cc3c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 04000000000000fa RSI: 0000000020003f00 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000008000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffcff63503f R14: 00007f592cc3c300 R15: 0000000000022000

Crashes (662):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	VM info	Title
ci-upstream-kasan-gce-smack-root	2021/08/25 18:06	upstream	6e764bcd1cf7	b599f2fc	.config	log	report	syz		WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2020/12/10 11:52	upstream	a68a0262abda	c090b4da	.config	log	report	syz
ci-upstream-kasan-gce-root	2020/12/09 11:47	upstream	7d8761ba27fc	40cc414d	.config	log	report	syz
ci-upstream-kasan-gce-root	2022/01/19 10:28	upstream	99613159ad74	0620189b	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/19 07:38	upstream	99613159ad74	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2022/01/18 20:51	upstream	99613159ad74	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/18 03:15	upstream	0c947b893d69	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/17 23:46	upstream	0c947b893d69	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2022/01/17 07:38	upstream	79e06c4c4950	723cfaf0	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2022/01/17 06:13	upstream	79e06c4c4950	723cfaf0	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/17 00:50	upstream	79e06c4c4950	723cfaf0	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2022/01/15 15:43	upstream	112450df61b7	723cfaf0	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/15 14:12	upstream	112450df61b7	723cfaf0	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/13 04:43	upstream	f079ab01b560	44d1319a	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/12 13:17	upstream	daadb3bd0e8d	44d1319a	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2022/01/12 10:55	upstream	daadb3bd0e8d	44d1319a	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/12 07:47	upstream	6f38be8f2ccd	44d1319a	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2022/01/11 16:06	upstream	fe8152b38d3a	1884f55a	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/11 13:17	upstream	fe8152b38d3a	1884f55a	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce	2022/01/10 13:34	upstream	df0cc57e057f	2ca0d385	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2022/01/09 15:31	upstream	4634129ad9fd	2ca0d385	.config	log	report		info	WARNING in __queue_work
ci-qemu-upstream	2022/01/08 13:25	upstream	d1587f7bfe9a	2ca0d385	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/07 17:37	upstream	ddec8ed2d490	2ca0d385	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2022/01/06 16:48	upstream	75acfdb6fd92	6acc789a	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2022/01/05 22:10	upstream	49ef78e59b07	6acc789a	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2022/01/04 17:08	upstream	c9e6606c7fe9	0a2584dd	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/04 06:52	upstream	c9e6606c7fe9	7f723fbe	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2022/01/03 07:48	upstream	c9e6606c7fe9	e1768e9c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/02 18:55	upstream	1286cc4893cf	e1768e9c	.config	log	report		info	WARNING in __queue_work
ci-qemu-upstream	2022/01/01 22:05	upstream	278218f6778b	e1768e9c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2022/01/01 10:14	upstream	800829388818	e1768e9c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/12/31 15:36	upstream	4f3d93c6eaff	36bd2e48	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/12/28 02:35	upstream	a8ad9a2434dc	6b3c5e64	.config	log	report		info	WARNING in __queue_work
ci-qemu-upstream	2021/12/26 11:40	upstream	438645193e59	e4f103c4	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/12/26 10:08	upstream	438645193e59	e4f103c4	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-386	2022/01/18 14:33	upstream	e3a8b6a1e70c	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-qemu-upstream-386	2022/01/18 12:37	upstream	e3a8b6a1e70c	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-qemu-upstream-386	2022/01/08 11:50	upstream	d1587f7bfe9a	2ca0d385	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-kasan-gce	2022/01/19 06:53	bpf	37c8d4807d1b	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-kasan-gce	2022/01/17 16:41	bpf	343e53754b21	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-kasan-gce	2022/01/17 13:46	bpf	343e53754b21	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-kasan-gce	2022/01/15 03:05	bpf	343e53754b21	723cfaf0	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-kasan-gce	2022/01/14 19:55	bpf	343e53754b21	53e00b45	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-kasan-gce	2022/01/13 20:38	bpf	343e53754b21	b8d780ab	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-kasan-gce	2022/01/12 18:12	bpf	343e53754b21	44d1319a	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-kasan-gce	2022/01/12 09:30	bpf	343e53754b21	44d1319a	.config	log	report		info	WARNING in __queue_work
ci-upstream-net-this-kasan-gce	2022/01/05 18:02	net	b3c8e0de473e	6acc789a	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-next-kasan-gce	2021/12/31 12:02	bpf-next	4b443bc1785f	36bd2e48	.config	log	report		info	WARNING in __queue_work
ci-upstream-net-kasan-gce	2021/12/06 22:40	net-next	ce83278f313c	0230ba3e	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2022/01/17 21:39	linux-next	68e0667e38d9	731a2d23	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2022/01/16 03:31	linux-next	bd8d9cef2a79	723cfaf0	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2022/01/15 06:30	linux-next	bd8d9cef2a79	723cfaf0	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2022/01/13 18:52	linux-next	27c9d5b3c24a	44d1319a	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2022/01/11 22:51	linux-next	a70bf4a85b43	44d1319a	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2022/01/11 01:09	linux-next	57c149e506d5	ddb0ab8c	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2022/01/10 16:19	linux-next	57c149e506d5	2ca0d385	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2022/01/10 12:32	linux-next	57c149e506d5	2ca0d385	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/01/14 11:47	upstream	65f0d2414b70	269d24e8	.config	log	report		info
ci-qemu-upstream-386	2020/07/31 00:25	upstream	e2c46b5762c6	8df85ed9	.config	log	report