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: 500d, last: 5m

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			114	9m	487d	0/1	upstream: reported syz repro on 2020/06/16 11:21
linux-4.14	WARNING: ODEBUG bug in netdev_run_todo	syz		error	25	176d	495d	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:1601
WARNING: CPU: 0 PID: 25 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Modules linked in:
CPU: 0 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-rc4-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 60 97 c1 89 4c 89 ee 48 c7 c7 60 8b c1 89 e8 68 c4 f8 04 <0f> 0b 83 05 45 f1 f9 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc90000e17898 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffff8880118b22c0 RSI: ffffffff815b80e5 RDI: fffff520001c2f05
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815b0e4e R11: 0000000000000000 R12: ffffffff896d69a0
R13: ffffffff89c191a0 R14: ffffffff81621150 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562596db1338 CR3: 000000000bc8e000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __debug_check_no_obj_freed lib/debugobjects.c:987 [inline]
 debug_check_no_obj_freed+0x301/0x420 lib/debugobjects.c:1018
 kfree+0xd1/0x2b0 mm/slab.c:3795
 kvfree+0x42/0x50 mm/util.c:616
 device_release+0x9f/0x240 drivers/base/core.c:2108
 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+0x96a/0xdd0 net/core/dev.c:10475
 default_device_exit_batch+0x2ff/0x3c0 net/core/dev.c:11426
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:178
 cleanup_net+0x4ea/0xb10 net/core/net_namespace.c:595
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Crashes (2419):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
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	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-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	2021/10/09 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-smack-root	2021/10/17 09:21	upstream	d999ade1cc86	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/16 21:43	upstream	304040fb4909	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/16 01:23	upstream	ec681c53f8d2	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/15 19:38	upstream	ec681c53f8d2	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/15 17:30	upstream	ec681c53f8d2	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/15 12:02	upstream	ec681c53f8d2	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/15 09:53	upstream	ec681c53f8d2	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/14 21:17	upstream	26d657410983	7aa5fe41	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/10/14 19:06	upstream	26d657410983	7aa5fe41	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/14 13:11	upstream	348949d9a444	5462d470	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/10/14 07:33	upstream	348949d9a444	5462d470	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/13 22:44	upstream	348949d9a444	5462d470	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/13 21:38	upstream	348949d9a444	5462d470	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/11 06:31	upstream	efb52a7d9511	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/10 22:47	upstream	efb52a7d9511	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/09 12:52	upstream	5d6ab0bb408f	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce	2021/10/09 09:37	upstream	5d6ab0bb408f	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/10/08 15:16	upstream	1da38549dd64	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/08 09:39	upstream	1da38549dd64	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/10/08 08:05	upstream	1da38549dd64	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce	2021/10/08 04:12	upstream	4a16df549d23	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/08 02:16	upstream	4a16df549d23	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/07 23:18	upstream	4a16df549d23	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/07 18:40	upstream	4a16df549d23	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce	2021/10/07 15:39	upstream	5af4055fa813	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/10/07 14:34	upstream	5af4055fa813	62ee0987	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-root	2021/10/07 10:05	upstream	5af4055fa813	62ee0987	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-selinux-root	2021/10/07 08:01	upstream	5af4055fa813	62ee0987	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-smack-root	2021/10/06 13:14	upstream	60a9483534ed	0a63fd36	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-qemu-upstream	2021/07/19 20:47	upstream	2734d6c1b1a0	e6a17580	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-kasan-gce-386	2021/10/07 12:16	upstream	5af4055fa813	62ee0987	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-qemu-upstream-386	2021/07/22 23:50	upstream	9bead1b58c4c	bc5f1d88	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-this-kasan-gce	2021/10/16 13:44	net	4884ddba7f12	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/16 09:23	bpf	732b74d64704	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/14 23:21	bpf	732b74d64704	7aa5fe41	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/14 10:47	bpf	732b74d64704	5462d470	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/12 10:21	bpf	732b74d64704	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/12 07:08	bpf	732b74d64704	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-net-this-kasan-gce	2021/10/11 18:43	net	732b74d64704	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/10 02:43	bpf	8d6c414cd2fb	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/09 23:29	bpf	8d6c414cd2fb	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/09 06:22	bpf	8d6c414cd2fb	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/08 13:13	bpf	8d6c414cd2fb	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-kasan-gce	2021/10/07 05:30	bpf	d0c6416bd709	62ee0987	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/17 07:28	bpf-next	431bfb9ee3e2	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/17 00:31	bpf-next	431bfb9ee3e2	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/16 19:04	bpf-next	431bfb9ee3e2	0c5d9412	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/12 14:30	bpf-next	431bfb9ee3e2	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/12 03:26	bpf-next	431bfb9ee3e2	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/11 08:41	bpf-next	5319255b8df9	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/10 21:27	bpf-next	5319255b8df9	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/10 18:44	bpf-next	5319255b8df9	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/10 12:32	bpf-next	5319255b8df9	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/10 00:52	bpf-next	5319255b8df9	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/09 20:00	bpf-next	5319255b8df9	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/09 11:18	bpf-next	5319255b8df9	838e7e2c	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/08 20:59	bpf-next	dd65acf72d0e	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/08 06:39	bpf-next	af4bb50d4647	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/07 20:34	bpf-next	af4bb50d4647	efe0f24d	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-bpf-next-kasan-gce	2021/10/07 00:06	bpf-next	9d0578722391	62ee0987	.config	log	report			info	WARNING: ODEBUG bug in netdev_run_todo
ci-upstream-linux-next-kasan-gce-root	2021/10/10 09:31	linux-next	683f29b781ae	838e7e2c	.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