WARNING: ODEBUG bug in slave_kobj

WARNING: ODEBUG bug in slave_kobj_release
Status: upstream: reported on 2020/12/07 12:52
Reported-by: syzbot+7bce4c2f7e1768ec3fe0@syzkaller.appspotmail.com
First crash: 52d, last: 26d

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	WARNING: ODEBUG bug in slave_kobj_release	C			14	2d02h	42d	0/1	upstream: reported C repro on 2020/12/14 00:48
linux-4.14	WARNING: ODEBUG bug in slave_kobj_release	C			12	4d09h	36d	0/1	upstream: reported C repro on 2020/12/19 23:35

Sample crash report:

kobject_add_internal failed for bonding_slave (error: -12 parent: veth153)
------------[ cut here ]------------
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 0 PID: 15031 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Modules linked in:
CPU: 0 PID: 15031 Comm: syz-executor.0 Not tainted 5.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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 20 54 bf 89 4c 89 ee 48 c7 c7 20 48 bf 89 e8 94 84 02 05 <0f> 0b 83 05 d5 18 bb 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc9001c8069a0 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815a6785 RDI: fffff52003900d26
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815a4bab R11: 0000000000000000 R12: ffffffff896d7b60
R13: ffffffff89bf4ea0 R14: ffffffff8160cdc0 R15: 1ffff92003900d3f
FS:  00007f008da48700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000778000 CR3: 0000000163aa1000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 debug_object_assert_init lib/debugobjects.c:890 [inline]
 debug_object_assert_init+0x1f4/0x2e0 lib/debugobjects.c:861
 debug_timer_assert_init kernel/time/timer.c:737 [inline]
 debug_assert_init kernel/time/timer.c:782 [inline]
 del_timer+0x6d/0x110 kernel/time/timer.c:1202
 try_to_grab_pending+0x6d/0xd0 kernel/workqueue.c:1252
 __cancel_work_timer+0xa6/0x540 kernel/workqueue.c:3098
 slave_kobj_release+0x48/0xe0 drivers/net/bonding/bond_main.c:1467
 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
 bond_kobj_init drivers/net/bonding/bond_main.c:1488 [inline]
 bond_alloc_slave drivers/net/bonding/bond_main.c:1505 [inline]
 bond_enslave+0x2488/0x4bf0 drivers/net/bonding/bond_main.c:1707
 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2519
 do_setlink+0x917/0x3ab0 net/core/rtnetlink.c:2715
 __rtnl_newlink+0xc1c/0x1750 net/core/rtnetlink.c:3376
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3502
 rtnetlink_rcv_msg+0x498/0xb80 net/core/rtnetlink.c:5564
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x907/0xe40 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2336
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2390
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2423
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e149
Code: 0d 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f008da47c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00007f008da47ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
R13: 00000000016afb7f R14: 00007f008da489c0 R15: 000000000119c034

Crashes (3):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Maintainers
ci-upstream-kasan-gce	2020/12/17 08:14	upstream	5e60366d	04201c06	.config	log	report	info	andy@greyhouse.net, davem@davemloft.net, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, vfalico@gmail.com
ci-upstream-kasan-gce-root	2020/12/03 12:32	upstream	34816d20	e6b0d314	.config	log	report	info	andy@greyhouse.net, davem@davemloft.net, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, vfalico@gmail.com
ci-upstream-kasan-gce-386	2020/12/30 07:02	upstream	139711f0	0fa352f2	.config	log	report	info	andy@greyhouse.net, davem@davemloft.net, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, vfalico@gmail.com