rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (10500 ticks this GP) idle=37d/1/0x4000000000000000 softirq=24922/24922 fqs=0 
	(t=10500 jiffies g=37609 q=15)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g37609 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=23264
rcu: rcu_preempt kthread starved for 10500 jiffies! g37609 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:27000 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
 rcu_gp_fqs_loop+0x2af/0xf70 kernel/rcu/tree.c:1959
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2132
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 8985 Comm: syz-executor.0 Not tainted 5.15.133-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb 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_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:481
 print_cpu_stall kernel/rcu/tree_stall.h:625 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
 rcu_pending kernel/rcu/tree.c:3911 [inline]
 rcu_sched_clock_irq+0xf21/0x1770 kernel/rcu/tree.c:2606
 update_process_times+0x196/0x200 kernel/time/timer.c:1788
 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:1685 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 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:debug_lockdep_rcu_enabled+0x25/0x30 kernel/rcu/update.c:281
Code: cc cc cc cc cc 31 c0 83 3d 3b ff c7 03 00 74 1d 83 3d b2 31 c8 03 00 74 14 65 48 8b 0d 64 61 e6 75 31 c0 83 b9 ec 0a 00 00 00 <0f> 94 c0 c3 cc cc cc cc cc cc cc 41 56 53 89 fb e8 e6 0d 00 00 41
RSP: 0018:ffffc9000351f9f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880237e5940 RCX: ffff8880237e5940
RDX: 0000000000000000 RSI: 00000000000000dc RDI: ffffffff8a92e094
RBP: ffffc9000351fb20 R08: ffffffff81b953cc R09: ffffc9000351fc00
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff920006a3f48
 ___might_sleep+0x8d/0x6a0 kernel/sched/core.c:9586
 __might_fault+0x6b/0x110 mm/memory.c:5321
 clear_rseq_cs kernel/rseq.c:220 [inline]
 rseq_ip_fixup kernel/rseq.c:254 [inline]
 __rseq_handle_notify_resume+0x5de/0x1250 kernel/rseq.c:292
 rseq_handle_notify_resume include/linux/sched.h:2208 [inline]
 rseq_signal_deliver include/linux/sched.h:2217 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:769 [inline]
 handle_signal arch/x86/kernel/signal.c:824 [inline]
 arch_do_signal_or_restart+0x27d/0x1890 arch/x86/kernel/signal.c:869
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7ffb9d24bae7
Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89
RSP: 002b:00007ffb9b7cd178 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007ffb9d36af88 RCX: 00007ffb9d24bae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ffb9d36af88
RBP: 00007ffb9d36af80 R08: 00007ffb9b7cd6c0 R09: 00007ffb9b7cd6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9d36af8c
R13: 000000000000000b R14: 00007ffef4675d90 R15: 00007ffef4675e78
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 8985 Comm: syz-executor.0 Not tainted 5.15.133-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb 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: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:3911 [inline]
 rcu_sched_clock_irq+0xf26/0x1770 kernel/rcu/tree.c:2606
 update_process_times+0x196/0x200 kernel/time/timer.c:1788
 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:1685 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 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:debug_lockdep_rcu_enabled+0x25/0x30 kernel/rcu/update.c:281
Code: cc cc cc cc cc 31 c0 83 3d 3b ff c7 03 00 74 1d 83 3d b2 31 c8 03 00 74 14 65 48 8b 0d 64 61 e6 75 31 c0 83 b9 ec 0a 00 00 00 <0f> 94 c0 c3 cc cc cc cc cc cc cc 41 56 53 89 fb e8 e6 0d 00 00 41
RSP: 0018:ffffc9000351f9f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880237e5940 RCX: ffff8880237e5940
RDX: 0000000000000000 RSI: 00000000000000dc RDI: ffffffff8a92e094
RBP: ffffc9000351fb20 R08: ffffffff81b953cc R09: ffffc9000351fc00
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff920006a3f48
 ___might_sleep+0x8d/0x6a0 kernel/sched/core.c:9586
 __might_fault+0x6b/0x110 mm/memory.c:5321
 clear_rseq_cs kernel/rseq.c:220 [inline]
 rseq_ip_fixup kernel/rseq.c:254 [inline]
 __rseq_handle_notify_resume+0x5de/0x1250 kernel/rseq.c:292
 rseq_handle_notify_resume include/linux/sched.h:2208 [inline]
 rseq_signal_deliver include/linux/sched.h:2217 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:769 [inline]
 handle_signal arch/x86/kernel/signal.c:824 [inline]
 arch_do_signal_or_restart+0x27d/0x1890 arch/x86/kernel/signal.c:869
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7ffb9d24bae7
Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89
RSP: 002b:00007ffb9b7cd178 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007ffb9d36af88 RCX: 00007ffb9d24bae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ffb9d36af88
RBP: 00007ffb9d36af80 R08: 00007ffb9b7cd6c0 R09: 00007ffb9b7cd6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9d36af8c
R13: 000000000000000b R14: 00007ffef4675d90 R15: 00007ffef4675e78
 </TASK>