rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=63677, q=34 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4295059914-4295049411), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g63677 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R  running task     stack:26712 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0x132c/0x4330 kernel/sched/core.c:6554
 schedule+0xbf/0x180 kernel/sched/core.c:6630
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1935
 rcu_gp_fqs_loop+0x2c2/0x1010 kernel/rcu/tree.c:1661
 rcu_gp_kthread+0xa3/0x3a0 kernel/rcu/tree.c:1860
 kthread+0x26e/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 15598 Comm: syz-executor.2 Not tainted 6.1.49-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:lock_release+0x60b/0xa20 kernel/locking/lockdep.c:5692
Code: 4c 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 e9 7b 76 00 48 c7 84 24 90 00 00 00 00 00 00 00 9c 8f 84 24 90 00 00 00 <42> 80 3c 3b 00 74 08 4c 89 f7 e8 46 7b 76 00 f6 84 24 91 00 00 00
RSP: 0018:ffffc900001e0c60 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff9200003c19e RCX: ffffc900001e0c03
RDX: 0000000000000001 RSI: ffffffff8aebf420 RDI: ffffffff8b3ceaa0
RBP: ffffc900001e0d90 R08: dffffc0000000000 R09: fffffbfff1ce7066
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200003c198
R13: 0000000000000046 R14: ffffc900001e0cf0 R15: dffffc0000000000
FS:  0000555556f5d480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002006b000 CR3: 0000000078356000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 seqcount_lockdep_reader_access+0x10b/0x220 include/linux/seqlock.h:101
 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline]
 timekeeping_get_ns kernel/time/timekeeping.c:388 [inline]
 ktime_get_update_offsets_now+0x89/0x420 kernel/time/timekeeping.c:2320
 hrtimer_update_base kernel/time/hrtimer.c:631 [inline]
 hrtimer_interrupt+0x12f/0x980 kernel/time/hrtimer.c:1793
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 71 14 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ce 21 db f6 48 89 df e8 e6 5e dc f6 e8 e1 c1 01 f7 fb bf 01 00 00 00 <e8> 66 13 cf f6 65 8b 05 27 7e 73 75 85 c0 74 02 5b c3 e8 a4 9c 71
RSP: 0018:ffffc9000340fb30 EFLAGS: 00000286
RAX: e68a97c73d7a2700 RBX: ffff88807df6ae40 RCX: ffffffff91c92103
RDX: dffffc0000000000 RSI: ffffffff8aebe2a0 RDI: 0000000000000001
RBP: ffffc9000340fc70 R08: dffffc0000000000 R09: ffffed100fbed5c9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100fbed65b
R13: 000000001c000004 R14: 0000000000000021 R15: ffff88807df6b2d8
 spin_unlock_irq include/linux/spinlock.h:400 [inline]
 get_signal+0x154b/0x17d0 kernel/signal.c:2865
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f749067cae9
Code: 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 01 48
RSP: 002b:00007ffe93277398 EFLAGS: 00000246
RAX: fffffffffffffffc RBX: 0000000000112212 RCX: 00007f749067cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f749079c05c
RBP: 0000000000000032 R08: 00007f749079c05c R09: 00007f749079c05c
R10: 00007ffe932774d0 R11: 0000000000000246 R12: 00007f749079c05c
R13: 0000000000112244 R14: 00007ffe932774f0 R15: 00007ffe932774d0
 </TASK>