rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=c59/1/0x4000000000000000 softirq=164405/164406 fqs=3368 
	(t=10502 jiffies g=325101 q=10930)
NMI backtrace for cpu 1
CPU: 1 PID: 28900 Comm: syz-executor.1 Not tainted 5.15.0-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:106
 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:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:kfree_skbmem+0xf0/0x1b0 net/core/skbuff.c:722
Code: d6 aa 5b fa 85 db 0f 84 a4 00 00 00 5b 5d 41 5c e9 a5 a8 5b fa e8 a0 a8 5b fa 48 8b 3d 69 4c 1a 04 48 89 ee e8 41 9b a1 fa 5b <5d> 41 5c e9 88 a8 5b fa e8 83 a8 5b fa 4c 8d a5 d0 01 00 00 be 04
RSP: 0018:ffffc90000fd8b08 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffff888090232980 R08: 0000000000000001 R09: ffffffff8fd60aef
R10: 0000000000000001 R11: 000000000008608a R12: 0000000000000001
R13: ffff888076291f00 R14: 0000000000004e2c R15: ffff888090232980
 __kfree_skb net/core/skbuff.c:757 [inline]
 kfree_skb net/core/skbuff.c:774 [inline]
 kfree_skb+0x140/0x3f0 net/core/skbuff.c:768
 hsr_forward_skb+0xb7d/0x1bf0 net/hsr/hsr_forward.c:629
 send_hsr_supervision_frame+0x60b/0x8d0 net/hsr/hsr_device.c:324
 hsr_announce+0x109/0x330 net/hsr/hsr_device.c:382
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers.part.0+0x675/0xa20 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+0x123/0x180 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:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__sanitizer_cov_trace_pc+0x4c/0x60 kernel/kcov.c:205
Code: 0e 85 c9 74 35 8b 82 a4 15 00 00 85 c0 74 2b 8b 82 80 15 00 00 83 f8 02 75 20 48 8b 8a 88 15 00 00 8b 92 84 15 00 00 48 8b 01 <48> 83 c0 01 48 39 c2 76 07 48 89 34 c1 48 89 01 c3 0f 1f 00 41 55
RSP: 0018:ffffc90018d8fa38 EFLAGS: 00000246
RAX: 00000000000052f5 RBX: 000000000000000f RCX: ffffc9000b67c000
RDX: 0000000000040000 RSI: ffffffff83aa315a RDI: 0000000000000003
RBP: ffff88801a7a6a80 R08: 0000000000000000 R09: 000000000000000f
R10: ffffffff83aa3147 R11: 0000000000000010 R12: 00000000000000a0
R13: 000000000000012b R14: dffffc0000000000 R15: 0000000000000000
 tomoyo_domain_quota_is_ok+0x31a/0x550 security/tomoyo/util.c:1092
 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
 security_file_ioctl+0x50/0xb0 security/security.c:1541
 __do_sys_ioctl fs/ioctl.c:868 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0xb3/0x200 fs/ioctl.c:860
 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: 0033:0x7fca19532ae9
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:00007fca16a87188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca19646020 RCX: 00007fca19532ae9
RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
RBP: 00007fca1958cf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd7daa52df R14: 00007fca16a87300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	aa                   	stos   %al,%es:(%rdi)
   1:	5b                   	pop    %rbx
   2:	fa                   	cli
   3:	85 db                	test   %ebx,%ebx
   5:	0f 84 a4 00 00 00    	je     0xaf
   b:	5b                   	pop    %rbx
   c:	5d                   	pop    %rbp
   d:	41 5c                	pop    %r12
   f:	e9 a5 a8 5b fa       	jmpq   0xfa5ba8b9
  14:	e8 a0 a8 5b fa       	callq  0xfa5ba8b9
  19:	48 8b 3d 69 4c 1a 04 	mov    0x41a4c69(%rip),%rdi        # 0x41a4c89
  20:	48 89 ee             	mov    %rbp,%rsi
  23:	e8 41 9b a1 fa       	callq  0xfaa19b69
  28:	5b                   	pop    %rbx
* 29:	5d                   	pop    %rbp <-- trapping instruction
  2a:	41 5c                	pop    %r12
  2c:	e9 88 a8 5b fa       	jmpq   0xfa5ba8b9
  31:	e8 83 a8 5b fa       	callq  0xfa5ba8b9
  36:	4c 8d a5 d0 01 00 00 	lea    0x1d0(%rbp),%r12
  3d:	be                   	.byte 0xbe
  3e:	04                   	.byte 0x4