bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state ------------[ cut here ]------------ bridge0: port 1(bridge_slave_0) entered forwarding state ODEBUG: assert_init not available (active state 0) object type: timer_list hint: (null) WARNING: CPU: 1 PID: 5583 at lib/debugobjects.c:329 debug_print_object+0x16a/0x210 lib/debugobjects.c:326 device bridge0 entered promiscuous mode Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 5583 Comm: syz-executor7 Not tainted 4.17.0-rc4+ #44 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+0x1b9/0x294 lib/dump_stack.c:113 IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready panic+0x22f/0x4de kernel/panic.c:184 __warn.cold.8+0x163/0x1b3 kernel/panic.c:536 IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1de/0x490 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:debug_print_object+0x16a/0x210 lib/debugobjects.c:326 RSP: 0018:ffff8801bd12f880 EFLAGS: 00010086 RAX: 0000000000000061 RBX: 0000000000000005 RCX: ffffc90005f00000 RDX: 0000000000008a3a RSI: ffffffff8160f6f1 RDI: ffff8801ad93cdc0 RBP: ffff8801bd12f8c0 R08: ffff8801ad93c5c0 R09: fffffbfff11b0948 R10: fffffbfff11b0948 R11: ffffffff88d84a43 R12: 0000000000000001 R13: ffffffff88d96980 R14: ffffffff87fa19a0 R15: ffffffff81666ec0 debug_object_assert_init+0x309/0x500 lib/debugobjects.c:692 debug_timer_assert_init kernel/time/timer.c:724 [inline] debug_assert_init kernel/time/timer.c:776 [inline] del_timer+0x74/0x140 kernel/time/timer.c:1198 try_to_grab_pending+0x439/0x9a0 kernel/workqueue.c:1223 mod_delayed_work_on+0x91/0x250 kernel/workqueue.c:1592 mod_delayed_work include/linux/workqueue.h:541 [inline] smc_setsockopt+0x33d/0x630 net/smc/af_smc.c:1357 __sys_setsockopt+0x1bd/0x390 net/socket.c:1903 __do_sys_setsockopt net/socket.c:1914 [inline] __se_sys_setsockopt net/socket.c:1911 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1911 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455a09 RSP: 002b:00007fbb8a5a2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fbb8a5a36d4 RCX: 0000000000455a09 RDX: 0000000000000001 RSI: 0000000000000006 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 00000000000002aa R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000689 R14: 00000000006fdd78 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..