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WARNING: CPU: 0 PID: 3911 at kernel/rcu/tree.c:1058 rcu_irq_enter+0x19/0x20 kernel/rcu/tree.c:1059
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 3911 Comm: kworker/0:6 Not tainted 5.9.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events pwq_unbound_release_workfn
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:234
 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:rcu_irq_enter+0x19/0x20 kernel/rcu/tree.c:1059
Code: 74 f8 f0 83 a0 a0 67 03 00 fe c3 66 0f 1f 44 00 00 83 3d fd ef 64 01 00 74 0b 65 8b 05 60 b8 d7 77 85 c0 75 05 e9 07 ff ff ff <0f> 0b e9 00 ff ff ff e8 0b 05 00 00 89 c0 48 8b 04 c5 90 98 2e 89
RSP: 0018:ffffc90006407b08 EFLAGS: 00010002
RAX: 0000000000000001 RBX: 0000000000000086 RCX: ffff8880a6a74440
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff817ac004 R09: fffffbfff131e226
R10: fffffbfff131e226 R11: 0000000000000000 R12: ffffffff882cda38
R13: ffff88809f084128 R14: dffffc0000000000 R15: 0000000000000001
 rcu_irq_enter_irqson+0x80/0x110 kernel/rcu/tree.c:1073
 trace_irq_disable_rcuidle+0xc9/0x1c0 include/trace/events/preemptirq.h:36
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
 _raw_spin_lock_irqsave+0x78/0xc0 kernel/locking/spinlock.c:159
 debug_object_activate+0x62/0x5f0 lib/debugobjects.c:636
 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline]
 __call_rcu kernel/rcu/tree.c:2880 [inline]
 call_rcu+0x37/0x840 kernel/rcu/tree.c:2968
 call_rcu_zapped kernel/locking/lockdep.c:5428 [inline]
 lockdep_unregister_key+0x441/0x770 kernel/locking/lockdep.c:5686
 wq_unregister_lockdep kernel/workqueue.c:3461 [inline]
 pwq_unbound_release_workfn+0x1f6/0x240 kernel/workqueue.c:3693
 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:294
Shutting down cpus with NMI
Kernel Offset: disabled
Rebooting in 86400 seconds..