rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=857/1/0x4000000000000000 softirq=153000/153001 fqs=5230 
	(t=10502 jiffies g=286765 q=2355)
NMI backtrace for cpu 1
CPU: 1 PID: 12329 Comm: syz-executor.2 Not tainted 5.14.0-rc5-next-20210809-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
 rcu_pending kernel/rcu/tree.c:3878 [inline]
 rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2597
 update_process_times+0x16d/0x200 kernel/time/timer.c:1785
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:199
Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 2e 39 2a f8 48 89 ef e8 d6 ae 2a f8 e8 21 f0 4a f8 fb bf 01 00 00 00 <e8> 36 8b 1e f8 65 8b 05 7f 10 d1 76 85 c0 74 02 5d c3 e8 cb 66 cf
RSP: 0018:ffffc90000dc0e08 EFLAGS: 00000206
RAX: 0000000000d2cc9a RBX: ffffffff87366ed0 RCX: 1ffffffff1fa381a
RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000001
RBP: ffff8880b9d20200 R08: 0000000000000001 R09: ffffffff8fce197f
R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90000dc0e98
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880b9d20200
 expire_timers kernel/time/timer.c:1465 [inline]
 __run_timers.part.0+0x665/0xa20 kernel/time/timer.c:1734
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:tomoyo_domain_quota_is_ok+0x16d/0x550 security/tomoyo/util.c:1059
Code: 00 48 8b 6d 00 48 3b 2c 24 0f 84 89 00 00 00 e8 f9 94 d7 fd 48 8d 7d 18 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 42 0f b6 04 30 <38> d0 7f 08 84 c0 0f 85 4a 03 00 00 0f b6 5d 18 31 ff 89 de e8 0a
RSP: 0018:ffffc9001f48f930 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000010 RCX: ffffc9000d780000
RDX: 0000000000000000 RSI: ffffffff839e1077 RDI: ffff88801edb6d98
RBP: ffff88801edb6d80 R08: 0000000000000000 R09: 0000000000000010
R10: ffffffff839e124a R11: 0000000000000010 R12: 0000000000000004
R13: 0000000000000030 R14: dffffc0000000000 R15: 0000000000000000
 tomoyo_supervisor+0x2f2/0xf00 security/tomoyo/common.c:2089
 tomoyo_audit_path_number_log security/tomoyo/file.c:235 [inline]
 tomoyo_path_number_perm+0x419/0x590 security/tomoyo/file.c:734
 tomoyo_path_mkdir+0x98/0xe0 security/tomoyo/tomoyo.c:166
 security_path_mkdir+0xe8/0x160 security/security.c:1139
 do_mkdirat+0x14b/0x310 fs/namei.c:3875
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f838316f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fffc6dd566f R14: 00007f838316f300 R15: 0000000000022000