rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=6ff/1/0x4000000000000000 softirq=71991/71992 fqs=4919 
	(t=10500 jiffies g=99141 q=485)
NMI backtrace for cpu 0
CPU: 0 PID: 26061 Comm: syz-executor.3 Not tainted 5.16.0-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+0x1dc/0x2d8 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x22d/0x390 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:604 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:688 [inline]
 rcu_pending kernel/rcu/tree.c:3919 [inline]
 rcu_sched_clock_irq+0x1e33/0x2bc0 kernel/rcu/tree.c:2617
 update_process_times+0x197/0x200 kernel/time/timer.c:1785
 tick_sched_handle kernel/time/tick-sched.c:226 [inline]
 tick_sched_timer+0x27d/0x420 kernel/time/tick-sched.c:1428
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__sanitizer_cov_trace_cmp4+0x0/0xa0 kernel/kcov.c:261
Code: 54 f9 08 48 c1 e0 03 48 83 c8 18 48 89 34 01 4c 89 44 f9 18 49 ff c2 4c 89 11 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <4c> 8b 04 24 65 48 8b 14 25 80 6f 02 00 65 8b 05 94 cd 7c 7e a9 00
RSP: 0000:ffffc90000007bb8 EFLAGS: 00000202
RAX: 447cd953bf1ee700 RBX: 0000000000000101 RCX: dffffc0000000000
RDX: 1ffff92000000f60 RSI: 0000000000000101 RDI: 0000000000000101
RBP: ffffc90000007cb0 R08: dffffc0000000000 R09: fffffbfff1c02526
R10: fffffbfff1c02526 R11: 0000000000000000 R12: ffff88802cfa26f8
R13: ffffc90000007c00 R14: 0000000000000101 R15: 1ffff92000000f7c
 call_timer_fn+0x126/0x210 kernel/time/timer.c:1426
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers+0x71a/0x910 kernel/time/timer.c:1734
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1747
 __do_softirq+0x392/0x7a3 kernel/softirq.c:558
 __irq_exit_rcu+0xec/0x170 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_irq_work+0x91/0xb0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x12/0x20
RIP: 0010:finish_lock_switch+0x1c5/0x350 kernel/sched/core.c:4747
Code: be ff ff ff ff e8 5b 48 b8 08 85 c0 74 37 4d 85 e4 75 58 0f 1f 44 00 00 4c 89 ff e8 75 02 bb 08 e8 20 ff 2e 00 fb 48 83 c4 10 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 4d 85 e4 0f 85 4a ff ff ff
RSP: 0000:ffffc90004fff908 EFLAGS: 00000282
RAX: 447cd953bf1ee700 RBX: 1ffff11017347448 RCX: ffffffff90c01903
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880b9a3a240 R08: ffffffff818c43a0 R09: ffffed10173472f1
R10: ffffed10173472f1 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880b9a3a4d8 R14: dffffc0000000000 R15: ffff8880b9a39780
 finish_task_switch+0x140/0x630 kernel/sched/core.c:4864
 context_switch kernel/sched/core.c:4989 [inline]
 __schedule+0x979/0x10e0 kernel/sched/core.c:6296
 schedule+0x12b/0x1f0 kernel/sched/core.c:6369
 freezable_schedule include/linux/freezer.h:172 [inline]
 futex_wait_queue+0x159/0x330 kernel/futex/waitwake.c:355
 futex_wait+0x21b/0x5d0 kernel/futex/waitwake.c:656
 do_futex+0x3af/0x490 kernel/futex/syscalls.c:106
 __do_sys_futex kernel/futex/syscalls.c:183 [inline]
 __se_sys_futex+0x401/0x4b0 kernel/futex/syscalls.c:164
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f758cccdfe9
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:00007f758b643218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f758cde0f68 RCX: 00007f758cccdfe9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f758cde0f68
RBP: 00007f758cde0f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f758cde0f6c
R13: 00007ffc59ff811f R14: 00007f758b643300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	54                   	push   %rsp
   1:	f9                   	stc
   2:	08 48 c1             	or     %cl,-0x3f(%rax)
   5:	e0 03                	loopne 0xa
   7:	48 83 c8 18          	or     $0x18,%rax
   b:	48 89 34 01          	mov    %rsi,(%rcx,%rax,1)
   f:	4c 89 44 f9 18       	mov    %r8,0x18(%rcx,%rdi,8)
  14:	49 ff c2             	inc    %r10
  17:	4c 89 11             	mov    %r10,(%rcx)
  1a:	c3                   	retq
  1b:	66 2e 0f 1f 84 00 00 	nopw   %cs:0x0(%rax,%rax,1)
  22:	00 00 00
  25:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
* 2a:	4c 8b 04 24          	mov    (%rsp),%r8 <-- trapping instruction
  2e:	65 48 8b 14 25 80 6f 	mov    %gs:0x26f80,%rdx
  35:	02 00
  37:	65 8b 05 94 cd 7c 7e 	mov    %gs:0x7e7ccd94(%rip),%eax        # 0x7e7ccdd2
  3e:	a9                   	.byte 0xa9