kobject_add_internal failed for bonding_slave (error: -12 parent: bond7) loop0: unable to read partition table ------------[ cut here ]------------ ODEBUG: assert_init not available (active state 0) object type: timer_list hint: (null) loop0: partition table beyond EOD, truncated WARNING: CPU: 1 PID: 10159 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 10159 Comm: syz-executor.5 Not tainted 4.19.185-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/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a 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 e8 b3 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 80 e8 b3 88 48 c7 c7 a0 dc b3 88 e8 d0 6b 7a 04 <0f> 0b 83 05 c3 32 b0 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 RSP: 0018:ffff88803a0be8b8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814ddd51 RDI: ffffed1007417d09 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66305b R12: ffffffff89f90940 R13: ffffffff8152f250 R14: ffff888046938a78 R15: 1ffff11007417d22 debug_object_assert_init lib/debugobjects.c:694 [inline] debug_object_assert_init+0x1f0/0x2e0 lib/debugobjects.c:665 debug_timer_assert_init kernel/time/timer.c:733 [inline] debug_assert_init kernel/time/timer.c:785 [inline] del_timer+0x6d/0x100 kernel/time/timer.c:1210 try_to_grab_pending+0x2b6/0x6f0 kernel/workqueue.c:1223 __cancel_work_timer+0xa6/0x590 kernel/workqueue.c:2971 slave_kobj_release+0x48/0xe0 drivers/net/bonding/bond_main.c:1276 kobject_cleanup lib/kobject.c:662 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put+0x28b/0x5d0 lib/kobject.c:708 bond_alloc_slave drivers/net/bonding/bond_main.c:1321 [inline] bond_enslave+0xe53/0x5230 drivers/net/bonding/bond_main.c:1517 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2321 do_setlink+0x7ec/0x3540 net/core/rtnetlink.c:2455 rtnl_newlink+0xda9/0x15c0 net/core/rtnetlink.c:3077 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4778 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4cfd9c1188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00007f4cfd9c11d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff8bc21cdf R14: 00007f4cfd9c1300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..