WARNING: ODEBUG bug in put

WARNING: ODEBUG bug in put_device
Status: upstream: reported syz repro on 2020/07/06 01:29
Reported-by: syzbot+6980d71802c6b28c6cce@syzkaller.appspotmail.com
First crash: 113d, last: 10d

similar bugs (1):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING: ODEBUG bug in put_device	syz	done	error	1	81d	80d	0/17	upstream: reported syz repro on 2020/08/07 07:16

Sample crash report:

------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: tun_flow_cleanup+0x0/0x350 include/net/xdp.h:117
WARNING: CPU: 0 PID: 22801 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 22801 Comm: syz-executor.2 Not tainted 4.19.144-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x61 kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325
Code: dd 80 1b cb 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 80 1b cb 87 48 c7 c7 00 11 cb 87 e8 eb df dc fd <0f> 0b 83 05 b3 18 4e 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
RSP: 0018:ffff88806e84fa30 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8154d001 RDI: ffffed100dd09f38
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: ffffffff8ad3a01b R12: ffffffff88da0de0
R13: ffffffff815a2c30 R14: ffff88812c2aae70 R15: dffffc0000000000
 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline]
 debug_check_no_obj_freed+0x271/0x482 lib/debugobjects.c:817
 kfree+0xb9/0x210 mm/slab.c:3821
 kvfree+0x59/0x60 mm/util.c:452
 device_release+0x76/0x210 drivers/base/core.c:1061
 kobject_cleanup lib/kobject.c:662 [inline]
 kobject_release lib/kobject.c:691 [inline]
 kref_put include/linux/kref.h:70 [inline]
 kobject_put+0x22d/0x350 lib/kobject.c:708
 put_device+0x1c/0x30 drivers/base/core.c:2251
 free_netdev+0x309/0x410 net/core/dev.c:9251
 __tun_chr_ioctl.isra.0+0x2ead/0x3bd0 drivers/net/tun.c:2704
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d5b9
Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f47fa9f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000019f80 RCX: 000000000045d5b9
RDX: 0000000020000100 RSI: 00000000400454ca RDI: 0000000000000003
RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffdc1c485ef R14: 00007f47fa9f79c0 R15: 000000000118cf4c

======================================================

Crashes (96):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	VM info	Maintainers
ci2-linux-4-19	2020/09/12 04:37	linux-4.19.y	67957f12	79fb24e2	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/06 08:59	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/05 00:58	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/04 17:04	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/31 06:48	linux-4.19.y	f6d5cb9e	d5a3ae1f	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/27 16:46	linux-4.19.y	f6d5cb9e	816e0689	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/26 00:50	linux-4.19.y	d18b78ab	344da168	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/21 21:46	linux-4.19.y	d18b78ab	6436ce4b	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/19 19:49	linux-4.19.y	a834132b	db787902	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/17 03:05	linux-4.19.y	c14d30dc	5ce13532	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/01 19:30	linux-4.19.y	13af6c74	8df85ed9	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/07/08 22:31	linux-4.19.y	399849e4	9f9845eb	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/07/06 01:29	linux-4.19.y	399849e4	22f87567	.config	log	report	syz		gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/10/16 06:51	linux-4.19.y	a1b977b4	6e262c73	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/10/13 12:56	linux-4.19.y	a1b977b4	bd69ee0d	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/10/12 05:31	linux-4.19.y	a1b977b4	4a77ae0b	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/10/10 10:50	linux-4.19.y	a1b977b4	b74c49a6	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/10/07 15:07	linux-4.19.y	a1b977b4	1880b4a9	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/10/06 05:39	linux-4.19.y	b09c3451	1880b4a9	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/10/04 20:01	linux-4.19.y	b09c3451	5ef9c291	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/10/01 14:45	linux-4.19.y	b09c3451	4103fce0	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/28 12:05	linux-4.19.y	10ad6cfd	6bfdbe89	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/28 07:21	linux-4.19.y	10ad6cfd	5dd8aee8	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/22 06:50	linux-4.19.y	015e94d0	9e1fa68e	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/20 07:52	linux-4.19.y	015e94d0	53ce8104	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/18 20:21	linux-4.19.y	015e94d0	53ce8104	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/17 12:45	linux-4.19.y	a87f9628	8247808b	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/16 20:00	linux-4.19.y	a87f9628	77507d02	.config	log	report		info	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/12 07:17	linux-4.19.y	67957f12	79fb24e2	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/09 05:42	linux-4.19.y	c37da90e	0ea7a887	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/09 01:46	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/08 11:19	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/08 01:09	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/07 14:18	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/06 20:56	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/05 23:33	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/05 11:31	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/04 23:46	linux-4.19.y	c37da90e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/03 00:03	linux-4.19.y	f6d5cb9e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/02 15:03	linux-4.19.y	f6d5cb9e	abf9ba4f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/01 13:43	linux-4.19.y	f6d5cb9e	d5a3ae1f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/09/01 09:32	linux-4.19.y	f6d5cb9e	d5a3ae1f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/31 08:03	linux-4.19.y	f6d5cb9e	d5a3ae1f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/30 19:12	linux-4.19.y	f6d5cb9e	d5a3ae1f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/30 18:11	linux-4.19.y	f6d5cb9e	d5a3ae1f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/29 16:01	linux-4.19.y	f6d5cb9e	d5a3ae1f	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/26 20:47	linux-4.19.y	f6d5cb9e	318430cb	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/24 22:57	linux-4.19.y	d18b78ab	67b599d1	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/23 02:52	linux-4.19.y	d18b78ab	1da71ab0	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/22 22:53	linux-4.19.y	d18b78ab	1da71ab0	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/21 23:25	linux-4.19.y	d18b78ab	6436ce4b	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/17 01:27	linux-4.19.y	c14d30dc	5ce13532	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/16 18:25	linux-4.19.y	c14d30dc	5ce13532	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/15 09:53	linux-4.19.y	c14d30dc	5ce13532	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/14 21:07	linux-4.19.y	c14d30dc	5ce13532	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/14 20:07	linux-4.19.y	c14d30dc	5ce13532	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/14 05:16	linux-4.19.y	c14d30dc	54ce1ed6	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/13 17:24	linux-4.19.y	c14d30dc	ee7cb8b6	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci2-linux-4-19	2020/08/13 03:03	linux-4.19.y	c14d30dc	bc15f7db	.config	log	report			gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org