WARNING: ODEBUG bug in netdev_run

WARNING: ODEBUG bug in netdev_run_todo
Status: upstream: reported C repro on 2020/08/04 18:37
Reported-by: syzbot+f9484b345f41843fc9a9@syzkaller.appspotmail.com
First crash: 600d, last: 1h11m

Cause bisection: failed (bisect log)

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	WARNING: ODEBUG bug in netdev_run_todo	syz			185	10h05m	587d	0/1	upstream: reported syz repro on 2020/06/16 11:21
linux-4.14	WARNING: ODEBUG bug in netdev_run_todo	syz		error	26	10d	595d	0/1	upstream: reported syz repro on 2020/06/08 15:34

Sample crash report:

bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): Released all slaves
------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:1623
WARNING: CPU: 0 PID: 1105 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Modules linked in:
CPU: 0 PID: 1105 Comm: kworker/u4:4 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 00 b8 e3 89 4c 89 ee 48 c7 c7 00 ac e3 89 e8 78 48 15 05 <0f> 0b 83 05 45 03 90 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc90004b8f8b0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffff88801c732000 RSI: ffffffff815dcf58 RDI: fffff52000971f08
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815d6cce R11: 0000000000000000 R12: ffffffff898dcea0
R13: ffffffff89e3b240 R14: ffffffff8164cc30 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007febb21a3000 CR3: 000000000b68e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __debug_check_no_obj_freed lib/debugobjects.c:992 [inline]
 debug_check_no_obj_freed+0x301/0x420 lib/debugobjects.c:1023
 kfree+0xd1/0x2c0 mm/slab.c:3802
 kvfree+0x42/0x50 mm/util.c:620
 device_release+0x9f/0x240 drivers/base/core.c:2232
 kobject_cleanup lib/kobject.c:705 [inline]
 kobject_release lib/kobject.c:736 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c8/0x540 lib/kobject.c:753
 netdev_run_todo+0x75a/0xa80 net/core/dev.c:10604
 default_device_exit_batch+0x2ff/0x3c0 net/core/dev.c:11574
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:591
 process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Crashes (3153):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-selinux-root	2021/10/24 06:47	upstream	9c0c4d24ac00	282f03fb	.config	log	report	syz	C		WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/03/25 07:24	upstream	4ee998b0ef8b	607e3baf	.config	log	report	syz	C		WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/12/09 04:51	upstream	2a987e65025e	a4a2a501	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/19 13:36	upstream	519d81956ee2	24dc29db	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/10/18 06:31	upstream	d999ade1cc86	0c5d9412	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce	2021/10/11 03:55	upstream	efb52a7d9511	838e7e2c	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/09 21:59	upstream	717478d89fe2	838e7e2c	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/02 17:00	upstream	53d5fc89d66a	db0f5787	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/06/25 10:26	upstream	4a09d388f2ab	0edbbe31	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce	2021/04/20 05:41	upstream	7af08140979a	4285c989	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce	2021/01/29 15:15	upstream	bec4c2968fce	6593fd32	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-386	2021/09/13 15:53	upstream	6880fa6c5660	3ce60af8	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-this-kasan-gce	2021/10/28 12:34	net	72f898ca0ab8	be531bb4	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-this-kasan-gce	2021/10/25 02:57	net	95a359c95533	282f03fb	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-kasan-gce	2021/10/10 11:30	net-next	7932d53162dc	838e7e2c	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-kasan-gce	2021/04/18 01:44	net-next	e7ad33fa7bc5	7e2b734b	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-linux-next-kasan-gce-root	2021/10/30 06:45	linux-next	bdcc9f6a5682	098b5d53	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-linux-next-kasan-gce-root	2021/10/09 01:39	linux-next	683f29b781ae	efe0f24d	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-linux-next-kasan-gce-root	2021/05/08 22:25	linux-next	869a85b925fc	bc5434be	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-linux-next-kasan-gce-root	2021/03/28 11:22	linux-next	931294922e65	a8529b82	.config	log	report	syz			WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2020/09/06 22:37	upstream	dd9fb9bb3340	abf9ba4f	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/08/11 13:42	upstream	00e4db51259a	bacaf5fa	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2020/08/04 18:28	upstream	c0842fbc1b18	80a06902	.config	log	report	syz
ci-upstream-kasan-gce-386	2021/01/10 02:07	upstream	996e435fd401	2c1f2513	.config	log	report	syz
ci-upstream-net-kasan-gce	2020/12/24 10:55	net-next	3db1a3fa9880	c2c1d1dd	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2022/01/25 04:17	upstream	dd81e1c7d5fb	2cbffd88	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2022/01/23 02:02	upstream	0809edbae347	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2022/01/20 16:16	upstream	fa2e1ba3e9e3	b838eb76	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce	2022/01/20 04:41	upstream	1d1df41c5a33	5da9499f	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2022/01/19 23:08	upstream	1d1df41c5a33	5da9499f	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2022/01/19 08:21	upstream	99613159ad74	0620189b	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2022/01/18 13:49	upstream	e3a8b6a1e70c	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2022/01/14 20:29	upstream	fb3b0673b7d5	53e00b45	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-qemu-upstream	2022/01/08 13:32	upstream	d1587f7bfe9a	2ca0d385	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-qemu-upstream-386	2022/01/24 18:30	upstream	dd81e1c7d5fb	2cbffd88	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-qemu-upstream-386	2021/12/22 02:55	upstream	1c3e979bf3e2	6caa12e4	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-386	2021/12/02 11:56	upstream	58e1100fdc59	61f86278	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/24 15:13	bpf	baa59504c1cd	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/24 13:18	bpf	baa59504c1cd	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/24 07:50	bpf	baa59504c1cd	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/24 06:32	bpf	baa59504c1cd	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/23 16:13	bpf	baa59504c1cd	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/23 05:10	bpf	baa59504c1cd	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/22 20:24	bpf	baa59504c1cd	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/21 02:53	bpf	baa59504c1cd	ab3d9f17	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/20 12:26	bpf	baa59504c1cd	5da9499f	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/20 01:57	bpf	baa59504c1cd	5da9499f	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/18 23:48	bpf	343e53754b21	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/18 17:06	bpf	343e53754b21	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/18 15:41	bpf	343e53754b21	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/18 10:36	bpf	343e53754b21	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/18 03:16	bpf	343e53754b21	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/18 01:03	bpf	343e53754b21	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/18 00:49	bpf	343e53754b21	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/17 04:06	bpf	343e53754b21	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/16 23:34	bpf	343e53754b21	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/16 22:15	bpf	343e53754b21	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/16 20:44	bpf	343e53754b21	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/16 19:31	bpf	343e53754b21	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2022/01/16 09:36	bpf	343e53754b21	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-this-kasan-gce	2022/01/16 06:30	net	9a9acdccdfa4	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-kasan-gce	2022/01/24 01:31	net-next	fe8152b38d3a	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/22 14:57	bpf-next	a9921ce1cae5	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/22 04:52	bpf-next	a9921ce1cae5	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/21 21:53	bpf-next	820e6e227c40	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/21 20:36	bpf-next	820e6e227c40	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/21 16:06	bpf-next	820e6e227c40	214351e1	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/21 01:36	bpf-next	4e950747ba12	b838eb76	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/20 20:03	bpf-next	4e950747ba12	b838eb76	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/20 18:43	bpf-next	4e950747ba12	b838eb76	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/20 14:55	bpf-next	4e950747ba12	b838eb76	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/20 08:05	bpf-next	d81283d27266	5da9499f	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-kasan-gce	2022/01/20 00:38	net-next	fe8152b38d3a	5da9499f	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/19 16:51	bpf-next	eaa266d83a37	0620189b	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-kasan-gce	2022/01/19 11:47	net-next	fe8152b38d3a	0620189b	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/19 06:03	bpf-next	2a1aff603518	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/17 23:00	bpf-next	e80f2a0d1946	731a2d23	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/16 14:48	bpf-next	e80f2a0d1946	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2022/01/16 10:52	bpf-next	e80f2a0d1946	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-linux-next-kasan-gce-root	2022/01/16 11:57	linux-next	70e6f1b39929	723cfaf0	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/01/17 14:07	upstream	0da0a8a0a0e1	813be542	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/06/03 10:29	upstream	1ee08de1e234	f3ba1b5b	.config	log	report