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WARNING: CPU: 0 PID: 8178 at kernel/rcu/tree.c:1058 rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1058
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 8178 Comm: kworker/0:5 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient neigh_periodic_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x31e/0x797 kernel/panic.c:231
 __warn.cold+0x20/0x4f 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:rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1058
Code: e0 06 8a e8 9d 84 b2 fb e9 6a ff ff ff 0f 1f 84 00 00 00 00 00 8b 05 a6 fc 34 03 85 c0 74 0d 65 8b 05 5b 97 dd 77 85 c0 74 02 <0f> 0b e9 04 ff ff ff 0f 1f 40 00 55 53 48 c7 c3 40 6c 03 00 e8 52
RSP: 0018:ffffc90001797880 EFLAGS: 00010002
RAX: 0000000000000001 RBX: 0000000000000082 RCX: ffffffff817c45c7
RDX: ffff8880a7c484c0 RSI: ffffffff8163f5f1 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000000 R09: ffffffff8b593f8f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000082
R13: ffffffff81341b68 R14: 0000000000000001 R15: ffff8880ae436bc0
 rcu_irq_enter_irqson+0x76/0x140 kernel/rcu/tree.c:1073
 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline]
 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline]
 trace_hardirqs_off kernel/trace/trace_preemptirq.c:82 [inline]
 trace_hardirqs_off+0x114/0x210 kernel/trace/trace_preemptirq.c:74
 kvm_wait arch/x86/kernel/kvm.c:817 [inline]
 kvm_wait+0x88/0x240 arch/x86/kernel/kvm.c:810
 pv_wait arch/x86/include/asm/paravirt.h:666 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x8b8/0xb40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:656 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 lockdep_lock+0x214/0x280 kernel/locking/lockdep.c:94
 graph_lock kernel/locking/lockdep.c:119 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3150 [inline]
 validate_chain kernel/locking/lockdep.c:3183 [inline]
 __lock_acquire+0x17b8/0x5850 kernel/locking/lockdep.c:4426
 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:5005
 __raw_write_lock include/linux/rwlock_api_smp.h:210 [inline]
 _raw_write_lock+0x2a/0x40 kernel/locking/spinlock.c:295
 neigh_periodic_work+0x2bb/0xa00 net/core/neighbour.c:921
 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
Kernel Offset: disabled
Rebooting in 86400 seconds..