bond0: enslaved VLAN challenged slave ipvlan2. Adding VLANs will be blocked as long as ipvlan2 is part of bond bond0 INFO: trying to register non-static key. bond0: The slave device specified does not support setting the MAC address the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 18 Comm: kworker/1:0 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events l2cap_chan_timeout Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 register_lock_class+0x32b/0x1320 kernel/locking/lockdep.c:768 __lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:176 spin_lock_bh include/linux/spinlock.h:322 [inline] lock_sock_nested+0x39/0x100 net/core/sock.c:2788 l2cap_sock_teardown_cb+0x93/0x650 net/bluetooth/l2cap_sock.c:1341 l2cap_chan_del+0xaf/0x950 net/bluetooth/l2cap_core.c:599 l2cap_chan_close+0x103/0x870 net/bluetooth/l2cap_core.c:757 l2cap_chan_timeout+0x143/0x2a0 net/bluetooth/l2cap_core.c:430 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 BUG: unable to handle kernel paging request at ffffffff812462e0 IP: __write_once_size include/linux/compiler.h:210 [inline] IP: __pv_queued_spin_lock_slowpath+0x47b/0x910 kernel/locking/qspinlock.c:428 PGD 8e6b067 P4D 8e6b067 PUD 8e6c063 PMD 12001e1 Oops: 0003 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 18 Comm: kworker/1:0 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events l2cap_chan_timeout task: ffff8880b54aa4c0 task.stack: ffff8880b54b8000 RIP: 0010:__write_once_size include/linux/compiler.h:210 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x47b/0x910 kernel/locking/qspinlock.c:428 RSP: 0018:ffff8880b54bfb48 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8880ba52ae80 RCX: 1ffff110174a55d8 RDX: 1ffffffff0248c5c RSI: ffffffff87cce9c0 RDI: ffffffff88cc3dd0 RBP: ffff8880b5680908 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8880b54aa4c0 R12: ffffffff812462e0 R13: 000000000000000e R14: ffff8880ba52ae88 R15: ffffffff81246324 FS: 0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff812462e0 CR3: 0000000008e6a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:669 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:52 [inline] queued_spin_lock include/asm-generic/qspinlock.h:90 [inline] do_raw_spin_lock+0x178/0x200 kernel/locking/spinlock_debug.c:113 spin_lock_bh include/linux/spinlock.h:322 [inline] lock_sock_nested+0x39/0x100 net/core/sock.c:2788 l2cap_sock_teardown_cb+0x93/0x650 net/bluetooth/l2cap_sock.c:1341 l2cap_chan_del+0xaf/0x950 net/bluetooth/l2cap_core.c:599 l2cap_chan_close+0x103/0x870 net/bluetooth/l2cap_core.c:757 l2cap_chan_timeout+0x143/0x2a0 net/bluetooth/l2cap_core.c:430 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: 04 00 00 4e 03 24 ed 60 3d cc 88 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 0f 85 e0 03 00 00 4d 8d 7c 24 44 <49> 89 1c 24 48 b8 00 00 00 00 00 fc ff df 4d 89 fd 49 c1 ed 03 RIP: __write_once_size include/linux/compiler.h:210 [inline] RSP: ffff8880b54bfb48 RIP: __pv_queued_spin_lock_slowpath+0x47b/0x910 kernel/locking/qspinlock.c:428 RSP: ffff8880b54bfb48 CR2: ffffffff812462e0 ---[ end trace 41f10ac3b13fc41c ]---