rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=b5f/1/0x4000000000000000 softirq=146052/146054 fqs=5 
	(detected by 1, t=10502 jiffies, g=240481, q=941)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 16782 Comm: syz-executor.4 Not tainted 5.15.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:35 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:106 [inline]
RIP: 0010:lock_is_held_type+0x65/0x180 kernel/locking/lockdep.c:5661
Code: 00 00 65 4c 8b 2d cb 85 eb 75 41 83 bd 1c 0a 00 00 00 0f 85 db 00 00 00 41 89 f6 49 89 ff 48 c7 04 24 00 00 00 00 9c 8f 04 24 <4c> 8b 24 24 fa 48 c7 c7 e0 fe 8a 8a e8 0a 12 00 00 65 ff 05 d3 8e
RSP: 0018:ffffc90000007d18 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888018d08000
RDX: ffff888018d08000 RSI: 00000000ffffffff RDI: ffff8880b9a2a218
RBP: 00000000ffffffff R08: ffffffff816ee81b R09: ffff888040747340
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b9a2a200
R13: ffff888018d08000 R14: 00000000ffffffff R15: ffff8880b9a2a218
FS:  00007fb16a13c700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555712848 CR3: 000000002ae3a000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 lock_is_held include/linux/lockdep.h:287 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1651 [inline]
 __hrtimer_run_queues+0x2f1/0xcf0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 72 c6 a8 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 67 b4 36 f7 65 8b 05 88 33 e2 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc9000326f920 EFLAGS: 00000206
RAX: 21611c23c209ec00 RBX: 1ffff9200064df28 RCX: ffffffff8162a4d8
RDX: dffffc0000000000 RSI: ffffffff8a8af0e0 RDI: 0000000000000001
RBP: ffffc9000326f9b0 R08: dffffc0000000000 R09: fffffbfff1f76e15
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200064df24 R14: ffffc9000326f940 R15: 0000000000000246
 clock_was_set+0x67d/0x880 kernel/time/hrtimer.c:970
 timekeeping_inject_offset+0x65f/0x710 kernel/time/timekeeping.c:1378
 do_adjtimex+0x511/0xaa0 kernel/time/timekeeping.c:2427
 do_clock_adjtime kernel/time/posix-timers.c:1118 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1130 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1121 [inline]
 __x64_sys_clock_adjtime+0x1dc/0x290 kernel/time/posix-timers.c:1121
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb16bbca169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb16a13c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007fb16bce9f80 RCX: 00007fb16bbca169
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fb16bc25ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7547518f R14: 00007fb16a13c300 R15: 0000000000022000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10464 jiffies! g240481 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=222834
rcu: rcu_preempt kthread starved for 10465 jiffies! g240481 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:26784 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:1958
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2131
 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: 16743 Comm: syz-executor.1 Not tainted 5.15.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
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_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:586
 check_cpu_stall kernel/rcu/tree_stall.h:729 [inline]
 rcu_pending kernel/rcu/tree.c:3887 [inline]
 rcu_sched_clock_irq+0x94f/0x1770 kernel/rcu/tree.c:2605
 update_process_times+0x196/0x200 kernel/time/timer.c:1788
 tick_sched_handle kernel/time/tick-sched.c:226 [inline]
 tick_sched_timer+0x22d/0x3c0 kernel/time/tick-sched.c:1420
 __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:1086 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xa93/0xd90 kernel/smp.c:969
Code: 04 03 84 c0 0f 85 84 00 00 00 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 cc b2 0b 00 41 83 e7 01 75 07 e8 61 af 0b 00 eb 41 f3 90 <48> b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 75 11 41 f7 45 00
RSP: 0018:ffffc9000317fa40 EFLAGS: 00000293
RAX: ffffffff81740b74 RBX: 1ffff11017348371 RCX: ffff888018fc1d00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000317fb80 R08: ffffffff81740b44 R09: fffffbfff1f76e15
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8880b9a41b88 R14: ffff8880b9b3a700 R15: 0000000000000001
 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1183 [inline]
 text_poke_bp_batch+0x2ad/0x830 arch/x86/kernel/alternative.c:1374
 text_poke_flush arch/x86/kernel/alternative.c:1542 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1549
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
 __static_key_slow_dec_cpuslocked+0x107/0x160 kernel/jump_label.c:248
 __static_key_slow_dec kernel/jump_label.c:255 [inline]
 static_key_slow_dec+0x4d/0x90 kernel/jump_label.c:270
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1240 [inline]
 kvm_put_kvm+0x13de/0x1840 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1265
 kvm_vm_release+0x42/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1288
 __fput+0x3bf/0x890 fs/file_table.c:280
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175
 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: 0033:0x7f3b7816c01b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffc8b0b07f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f3b7816c01b
RDX: 0000000000000000 RSI: 0000001b2de209a4 RDI: 0000000000000004
RBP: 00007f3b782db980 R08: 0000000000000000 R09: 00000000f57ca1ca
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000348b74
R13: 00007ffc8b0b08f0 R14: 00007f3b782da050 R15: 0000000000000032
 </TASK>