kobject_add_internal failed for bonding_slave (error: -12 parent: bridge31) ------------[ cut here ]------------ ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 16114 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 1 PID: 16114 Comm: syz-executor.5 Not tainted 5.11.0-rc1-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 a0 83 9e 89 4c 89 ee 48 c7 c7 a0 77 9e 89 e8 89 d4 f2 04 <0f> 0b 83 05 d5 88 2f 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc90017f1e980 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815b2a45 RDI: fffff52002fe3d22 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815abc1e R11: 0000000000000000 R12: ffffffff894d7f80 R13: ffffffff899e7e20 R14: ffffffff81617f90 R15: 1ffff92002fe3d3b FS: 0000000000000000(0000) GS:ffff8880b9f00000(0063) knlGS:00000000f556db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000008baafe4 CR3: 0000000023659000 CR4: 00000000001506e0 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+0xa6/0x520 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+0x917/0x3a70 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+0x44e/0xad0 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+0x856/0xd90 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:2345 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2432 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline] __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:137 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f73549 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f556d0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000080 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000