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: 443d, last: 6h00m

Cause bisection: failed (bisect log)

similar bugs (4):
Kernel	Title	Repro	Count	Last	Reported	Patched	Status
upstream	WARNING in __queue_work	C	1	1338d	1338d	4/22	fixed on 2018/02/26 20:04
linux-4.14	WARNING in __queue_work		3	230d	269d	0/1	auto-closed as invalid on 2021/06/28 11:00
upstream	WARNING in __queue_work (2)		1	517d	513d	0/22	auto-closed as invalid on 2020/07/17 09:16
linux-4.19	WARNING in __queue_work		10	31d	402d	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 (352):
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-smack-root	2021/10/17 03:38	upstream	304040fb4909	0c5d9412	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/10/16 03:42	upstream	8fe31e0995f0	0c5d9412	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/16 01:26	upstream	ec681c53f8d2	0c5d9412	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/15 11:57	upstream	ec681c53f8d2	0c5d9412	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/15 09:52	upstream	ec681c53f8d2	0c5d9412	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/15 07:38	upstream	ec681c53f8d2	aab7690b	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/10/14 13:11	upstream	348949d9a444	5462d470	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/13 21:46	upstream	348949d9a444	5462d470	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/12 15:33	upstream	fa5878760579	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/12 07:06	upstream	fa5878760579	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/11 09:04	upstream	efb52a7d9511	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/11 07:30	upstream	efb52a7d9511	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/11 04:33	upstream	efb52a7d9511	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/11 01:29	upstream	efb52a7d9511	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/10 23:58	upstream	efb52a7d9511	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/10/10 10:16	upstream	7fd2bf83d59a	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/10 04:27	upstream	717478d89fe2	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/09 12:15	upstream	5d6ab0bb408f	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/10/08 20:48	upstream	741668ef7832	efe0f24d	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/10/08 11:54	upstream	1da38549dd64	efe0f24d	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/10/07 17:38	upstream	5af4055fa813	efe0f24d	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/07 17:14	upstream	5af4055fa813	efe0f24d	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/10/07 09:41	upstream	5af4055fa813	62ee0987	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/07 05:50	upstream	5af4055fa813	62ee0987	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/07 03:05	upstream	5af4055fa813	62ee0987	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/06 23:17	upstream	60a9483534ed	62ee0987	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/06 20:41	upstream	60a9483534ed	62ee0987	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce	2021/10/06 19:16	upstream	60a9483534ed	62ee0987	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/10/06 15:00	upstream	60a9483534ed	0a63fd36	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/05 16:46	upstream	f6274b06e326	0a63fd36	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/04 22:36	upstream	84b3e42564ac	ce697b49	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/10/04 20:09	upstream	84b3e42564ac	ce697b49	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/03 22:51	upstream	6761a0ae9895	db0f5787	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/03 21:47	upstream	6761a0ae9895	db0f5787	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/03 19:36	upstream	7b66f4393ad4	db0f5787	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/03 17:02	upstream	7b66f4393ad4	db0f5787	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/03 06:56	upstream	ab2a7a35c4e7	db0f5787	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/02 17:37	upstream	53d5fc89d66a	db0f5787	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/10/02 07:33	upstream	53d5fc89d66a	db0f5787	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/10/01 17:47	upstream	4de593fb965f	cc80db95	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-smack-root	2021/09/28 15:35	upstream	d33bec7b3dfa	d82cb927	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-selinux-root	2021/09/27 11:25	upstream	5816b3e6577e	78494d16	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-root	2021/09/27 08:57	upstream	996148ee05d0	78494d16	.config	log	report		info	WARNING in __queue_work
ci-qemu-upstream	2021/05/31 20:41	upstream	c2131f7e73c9	032639db	.config	log	report		info	WARNING in __queue_work
ci-qemu-upstream-386	2021/10/16 06:24	upstream	8fe31e0995f0	0c5d9412	.config	log	report		info	WARNING in __queue_work
ci-upstream-kasan-gce-386	2021/10/07 00:23	upstream	60a9483534ed	62ee0987	.config	log	report		info	WARNING in __queue_work
ci-upstream-net-this-kasan-gce	2021/10/14 22:27	net	1fcd794518b7	7aa5fe41	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-kasan-gce	2021/10/14 01:04	bpf	732b74d64704	5462d470	.config	log	report		info	WARNING in __queue_work
ci-upstream-net-kasan-gce	2021/10/10 05:31	net-next	7932d53162dc	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-net-kasan-gce	2021/10/09 02:45	net-next	e761523d0b40	efe0f24d	.config	log	report		info	WARNING in __queue_work
ci-upstream-net-kasan-gce	2021/09/27 21:19	net-next	b69c99463d41	78494d16	.config	log	report		info	WARNING in __queue_work
ci-upstream-bpf-next-kasan-gce	2021/09/16 02:21	bpf-next	4c24483e247f	07e953c1	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2021/10/12 05:13	linux-next	d3134eb5de85	838e7e2c	.config	log	report		info	WARNING in __queue_work
ci-upstream-linux-next-kasan-gce-root	2021/09/29 15:41	linux-next	bf5b1e621a51	be530f6c	.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