rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=86705, q=24 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4295033185-4295022682), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g86705 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:27424 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0xedb/0x5af0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6778
 schedule_timeout+0x137/0x290 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x1ec/0xb10 kernel/rcu/tree.c:1631
 rcu_gp_kthread+0x24b/0x380 kernel/rcu/tree.c:1830
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </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: 24484 Comm: syz-executor.0 Not tainted 6.7.0-rc3-syzkaller-00033-g3b47bc037bd4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:native_apic_mem_write+0xc/0x10 arch/x86/include/asm/apic.h:95
Code: bf 30 08 00 00 e8 b4 11 5a 03 48 89 d8 5b c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f3 0f 1e fa 89 ff 89 b7 00 c0 5f ff <c3> 0f 1f 00 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48
RSP: 0018:ffffc90000007ec0 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff8880b9828240 RCX: 0000000000000020
RDX: 1ffff11017305049 RSI: 00000000000429ec RDI: 0000000000000380
RBP: 00000000000429ec R08: 0000000000000005 R09: 000000000000003f
R10: 0000000000000020 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000020 R14: 0000000000000000 R15: 000000df9f9c3a0f
FS:  00007f9be16546c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9be1653f00 CR3: 00000000163de000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:403 [inline]
 lapic_next_event+0x10/0x20 arch/x86/kernel/apic/apic.c:448
 clockevents_program_event+0x262/0x370 kernel/time/clockevents.c:334
 tick_program_event+0xa5/0x130 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x36d/0x800 kernel/time/hrtimer.c:1827
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 4a e7 e4 f6 48 89 df e8 b2 5e e5 f6 e8 fd 1d 0b f7 fb bf 01 00 00 00 <e8> d2 17 d7 f6 65 8b 05 a3 97 80 75 85 c0 74 02 5b c3 e8 70 5b 7d
RSP: 0018:ffffc90015e6fd00 EFLAGS: 00000206
RAX: 00000000037f20af RBX: ffff888028e0dc80 RCX: 1ffffffff1e32141
RDX: 0000000000000000 RSI: ffffffff8accb7e0 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8f193c97 R11: 0000000000000000 R12: ffff888028e0e118
R13: 0000000000000021 R14: ffff888028e0e080 R15: 1ffff92002bcdfaf
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x1899/0x2790 kernel/signal.c:2907
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:88
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9be08790a7
Code: c1 f8 02 48 85 c9 48 89 c2 48 89 d8 48 0f 45 c2 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 8b 05 e1 b7 0f 00 <48> 85 c0 74 14 48 83 ec 08 ff d0 85 c0 75 1a 31 c0 48 83 c4 08 c3
RSP: 002b:00007f9be16540e8 EFLAGS: 00000216
RAX: 00007fff77ff99c0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00007f9be091a5a0 RSI: 00007f9be1654140 RDI: 0000000000000001
RBP: 00007f9be08d7909 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9be099bf80 R15: 00007fff77fd4268
 </TASK>
sched: RT throttling activated