------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 0 PID: 25389 at kernel/locking/lockdep.c:1714 print_bfs_bug+0xed/0x200 kernel/locking/lockdep.c:1714 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 25389 Comm: kworker/u4:10 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bond3663 bond_alb_monitor Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1f0/0x31e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:231 __warn+0x227/0x250 kernel/panic.c:600 report_bug+0x1b1/0x2e0 lib/bug.c:198 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542 RIP: 0010:print_bfs_bug+0xed/0x200 kernel/locking/lockdep.c:1714 Code: 0f 84 29 01 00 00 48 c7 c7 d0 d4 1d 8b e8 5b 20 01 00 66 90 45 85 ff 74 13 48 c7 c7 14 a1 08 89 44 89 f6 31 c0 e8 83 09 ec ff <0f> 0b 5b 41 5e 41 5f 5d c3 e8 35 4d c3 06 85 c0 74 d8 48 c7 c0 74 RSP: 0018:ffffc90017357688 EFLAGS: 00010046 RAX: d7a90f5c9d37dd00 RBX: ffff888067dbac0c RCX: ffff888067dba340 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff815dd419 R09: ffffed1015d041c3 R10: ffffed1015d041c3 R11: 0000000000000000 R12: 1ffffffff164f729 R13: dffffc0000000000 R14: 00000000ffffffff R15: 0000000000000001 check_irq_usage kernel/locking/lockdep.c:183 [inline] check_prev_add kernel/locking/lockdep.c:2500 [inline] check_prevs_add kernel/locking/lockdep.c:2601 [inline] validate_chain+0x403c/0x8920 kernel/locking/lockdep.c:3218 __lock_acquire+0x116c/0x2c30 kernel/locking/lockdep.c:4380 lock_acquire+0x160/0x720 kernel/locking/lockdep.c:4959 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x9e/0xc0 kernel/locking/spinlock.c:159 debug_object_activate+0x62/0x5f0 lib/debugobjects.c:636 debug_timer_activate kernel/time/timer.c:713 [inline] __mod_timer+0x657/0x14a0 kernel/time/timer.c:1039 queue_delayed_work_on+0xd6/0x1b0 kernel/workqueue.c:1674 queue_delayed_work include/linux/workqueue.h:522 [inline] bond_alb_monitor+0x1072/0x1530 drivers/net/bonding/bond_alb.c:1618 process_one_work+0x789/0xfc0 kernel/workqueue.c:2269 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415 kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..