rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=f97/1/0x4000000000000000 softirq=8945/8945 fqs=5246 
	(t=10501 jiffies g=10793 q=991)
NMI backtrace for cpu 1
CPU: 1 PID: 4216 Comm: syz-executor.2 Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 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:202
Code: 51 80 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 5e 64 3b f7 48 89 df e8 36 b8 3c f7 e8 51 6f 5f f7 fb bf 01 00 00 00 <e8> 76 f4 2f f7 65 8b 05 47 02 db 75 85 c0 74 02 5b c3 e8 b4 20 d9
RSP: 0018:ffffc900043ffd70 EFLAGS: 00000282
RAX: 770536e1eecba700 RBX: ffff888022c865c0 RCX: ffffffff913eff03
RDX: dffffc0000000000 RSI: ffffffff8a8b2980 RDI: 0000000000000001
RBP: ffffc900043ffe50 R08: ffffffff8186dcf0 R09: ffffed1004590cb9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110039c4126
R13: ffff88801ce20000 R14: 0000000000000000 R15: 1ffff110039c4125
 spin_unlock_irq include/linux/spinlock.h:413 [inline]
 __set_current_blocked+0x2a5/0x2f0 kernel/signal.c:3077
 __do_sys_rt_sigreturn+0x181/0x250 arch/x86/kernel/signal.c:672
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff8e584e329
Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
RSP: 002b:00007ff8e3dfdbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000000f
RAX: ffffffffffffffda RBX: 00007ff8e59c1f88 RCX: 00007ff8e584e329
RDX: 00007ff8e3dfdbc0 RSI: 00007ff8e3dfdcf0 RDI: 0000000000000021
RBP: 00007ff8e59c1f80 R08: 00007ff8e3dfe6c0 R09: 00007ff8e3dfe6c0
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff8e59c1f8c
R13: 000000000000000b R14: 00007ffd5e09e7b0 R15: 00007ffd5e09e898
 </TASK>