rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (1 GPs behind) idle=c8a/1/0x4000000000000004 softirq=65850/65853 fqs=4 
	(t=10500 jiffies g=97925 q=366)
NMI backtrace for cpu 0
CPU: 0 PID: 3462 Comm: syz-executor.3 Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x2f8 lib/dump_stack.c:113
 nmi_cpu_backtrace+0xaf/0x1a0 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x174/0x290 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x10/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x15a/0x220 kernel/rcu/tree_stall.h:254
 print_cpu_stall kernel/rcu/tree_stall.h:455 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:529 [inline]
 rcu_pending kernel/rcu/tree.c:2795 [inline]
 rcu_sched_clock_irq+0xe22/0x1ae0 kernel/rcu/tree.c:2244
 update_process_times+0x12d/0x180 kernel/time/timer.c:1726
 tick_sched_handle kernel/time/tick-sched.c:167 [inline]
 tick_sched_timer+0x263/0x420 kernel/time/tick-sched.c:1299
 __run_hrtimer kernel/time/hrtimer.c:1514 [inline]
 __hrtimer_run_queues+0x403/0x840 kernel/time/hrtimer.c:1576
 hrtimer_interrupt+0x38c/0xda0 kernel/time/hrtimer.c:1638
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline]
 smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1135
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x5f/0x80 kernel/locking/spinlock.c:199
Code: 00 00 00 00 fc ff df 80 3c 08 00 74 0c 48 c7 c7 80 8f 8a 88 e8 d2 e3 3a fa 48 83 3d 9a 15 19 01 00 74 26 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 87 77 de f9 65 8b 05 cc 83 90 78 85 c0 74 03 5b
RSP: 0018:ffff8880aea09d98 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11151f0 RBX: ffff8880aea24a80 RCX: dffffc0000000000
RDX: 0000000000000101 RSI: ffffffff816350d6 RDI: ffff888038dd6d84
RBP: ffff8880aea09da0 R08: ffff888038dd6d98 R09: ffffed1015d44951
R10: ffffed1015d44951 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880514e5100 R14: ffff8880514e5108 R15: ffffffff8600fc80
 expire_timers kernel/time/timer.c:1448 [inline]
 __run_timers+0x7a6/0x990 kernel/time/timer.c:1773
 run_timer_softirq+0x4a/0x90 kernel/time/timer.c:1786
 __do_softirq+0x333/0x7c4 arch/x86/include/asm/paravirt.h:766
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x227/0x230 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x113/0x280 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:756 [inline]
RIP: 0010:lock_acquire+0x1b2/0x250 kernel/locking/lockdep.c:4490
Code: c1 e8 03 42 80 3c 30 00 74 0c 48 c7 c7 70 8f 8a 88 e8 22 fe 53 00 48 83 3d da 2f 32 07 00 0f 84 9c 00 00 00 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 44 89
RSP: 0018:ffff88803034f958 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11151ee RBX: 0000000000000000 RCX: 6d051119bc332348
RDX: dffffc0000000000 RSI: ffff888038dd6dd8 RDI: 0000000000000286
RBP: ffff88803034f9b0 R08: dffffc0000000000 R09: fffffbfff12bb69d
R10: fffffbfff12bb69d R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff888d3cc0
 rcu_lock_acquire+0x2e/0x40 include/linux/rcupdate.h:208
 rcu_read_lock include/linux/rcupdate.h:599 [inline]
 __d_lookup+0x66/0x6f0 fs/dcache.c:2365
 lookup_fast+0xd7/0x1020 fs/namei.c:1609
 do_last fs/namei.c:3274 [inline]
 path_openat+0x514/0x4420 fs/namei.c:3525
 do_filp_open+0x192/0x3d0 fs/namei.c:3555
 do_sys_open+0x29f/0x560 fs/open.c:1097
 __do_sys_open fs/open.c:1115 [inline]
 __se_sys_open fs/open.c:1110 [inline]
 __x64_sys_open+0x87/0x90 fs/open.c:1110
 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a29
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fbacb3d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a29
RDX: 0000000000000000 RSI: 0000000000004002 RDI: 0000000020000740
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbacb3d86d4
R13: 00000000004c6177 R14: 00000000004db050 R15: 00000000ffffffff