------------[ cut here ]------------
lockdep bfs error:-1
WARNING: CPU: 0 PID: 28180 at kernel/locking/lockdep.c:1714 print_bfs_bug+0x130/0x1e0 kernel/locking/lockdep.c:1714
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 28180 Comm: kworker/u4:0 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bond927 bond_netdev_notify_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x4a kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:print_bfs_bug+0x130/0x1e0 kernel/locking/lockdep.c:1714
Code: 5c 08 00 74 2c 48 c7 c7 c0 9f 92 8c e8 49 71 01 00 66 90 85 db 75 05 5b 5d 41 5c c3 89 ee 48 c7 c7 c0 a9 4b 88 e8 12 ca eb ff <0f> 0b 5b 5d 41 5c c3 0f 0b e8 92 04 99 06 85 c0 74 d7 48 c7 c0 f8
RSP: 0018:ffffc90021277538 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff8881fc6ea380 RSI: ffffffff815dafc7 RDI: fffff5200424ee99
RBP: 00000000ffffffff R08: 0000000000000001 R09: ffff8880ae620f8b
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8881fc6ea380
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200424eeb6
 check_irq_usage+0x5fe/0xb40 kernel/locking/lockdep.c:2261
 check_prev_add kernel/locking/lockdep.c:2500 [inline]
 check_prevs_add kernel/locking/lockdep.c:2601 [inline]
 validate_chain kernel/locking/lockdep.c:3218 [inline]
 __lock_acquire+0x2a81/0x5640 kernel/locking/lockdep.c:4426
 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:5005
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:159
 debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:636
 debug_timer_activate kernel/time/timer.c:727 [inline]
 __mod_timer+0x76b/0xd90 kernel/time/timer.c:1051
 __queue_delayed_work+0x1a7/0x270 kernel/workqueue.c:1649
 queue_delayed_work_on+0x1a2/0x210 kernel/workqueue.c:1674
 queue_delayed_work include/linux/workqueue.h:522 [inline]
 bond_netdev_notify_work drivers/net/bonding/bond_main.c:1520 [inline]
 bond_netdev_notify_work+0x235/0x290 drivers/net/bonding/bond_main.c:1507
 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Shutting down cpus with NMI
Kernel Offset: disabled
Rebooting in 86400 seconds..