rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=109953, q=34 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4295110024-4295099524), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10500 jiffies! g109953 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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+0x143f/0x4570 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965
 rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18340 Comm: syz.3.3124 Not tainted 6.1.128-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:hrtimer_interrupt+0x506/0x980 kernel/time/hrtimer.c:1823
Code: 6c 24 40 74 08 48 89 ef e8 07 6f 68 00 48 89 5d 00 eb 08 e8 8c db 10 00 49 89 dc 48 8b 6c 24 30 48 8b 44 24 78 42 80 3c 30 00 <48> 8b 5c 24 70 74 08 48 89 df e8 db 6e 68 00 4c 89 23 48 8b 44 24
RSP: 0018:ffffc90000007eb8 EFLAGS: 00000046
RAX: 1ffff110171c54a4 RBX: 0000019292380d80 RCX: ffff88805d6cd940
RDX: 0000000000010000 RSI: 7fffffffffffffff RDI: 0000019292380d80
RBP: ffff8880b8e2a6a8 R08: ffffffff8179c0cc R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000019292380d80
R13: ffff8880b8e2a4c0 R14: dffffc0000000000 R15: ffff8880b8e2a8a8
FS:  000055558b860500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2a7688 CR3: 0000000062444000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x158/0x5b0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
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: a1 95 f5 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8e 87 ad f6 48 89 df e8 86 c5 ae f6 e8 11 1d d4 f6 fb bf 01 00 00 00 <e8> 76 4f a1 f6 65 8b 05 17 2f 45 75 85 c0 74 02 5b c3 e8 c4 52 43
RSP: 0018:ffffc90003567b30 EFLAGS: 00000286
RAX: de99f7014a92e700 RBX: ffff888060681280 RCX: ffffffff97357103
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: 0000000000000001
RBP: ffffc90003567c70 R08: dffffc0000000000 R09: ffffed100c0d0251
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100c0d02e3
R13: 000000001c000004 R14: 0000000000000021 R15: ffff888060681718
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x154b/0x17d0 kernel/signal.c:2874
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f539004c9b0
Code: 74 28 48 85 c9 74 29 45 38 1c 10 75 23 83 c0 01 44 39 d0 75 dc 48 89 f0 25 ff 1f 00 00 49 89 34 c1 41 88 3c 00 31 c0 c3 66 90 <41> 38 3c 10 74 0b 41 88 3c 10 31 c0 49 89 34 d1 c3 b8 01 00 00 00
RSP: 002b:00007ffe127f6138 EFLAGS: 00000246
RAX: 00000000817e3553 RBX: 00007f5390ed5720 RCX: ffffffff817e3553
RDX: 0000000000001553 RSI: ffffffff817e3553 RDI: 0000000000000003
RBP: ffffffff817e3553 R08: 00007f5390390000 R09: 00007f5390392000
R10: 00000000817e3557 R11: 0000000000000003 R12: 0000000000000003
R13: 0000000000000000 R14: ffffffff817e3fd3 R15: 000000000004b587
 </TASK>