rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=8605, q=1328 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955676-4294945174), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g8605 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:27144 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1873/0x48f0 kernel/sched/core.c:6695
 schedule+0xc3/0x180 kernel/sched/core.c:6771
 schedule_timeout+0x1bd/0x310 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x2c6/0x1010 kernel/rcu/tree.c:1613
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1812
 kthread+0x2b8/0x350 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </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: 5672 Comm: syz-executor.3 Not tainted 6.5.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:check_preemption_disabled+0x2/0x110 lib/smp_processor_id.c:13
Code: ff ff ff 0f 1f 44 00 00 f3 0f 1e fa 48 c7 c7 e0 ea 59 8b 48 c7 c6 20 eb 59 8b eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 <41> 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24
RSP: 0018:ffffc90000007f10 EFLAGS: 00000082
RAX: 1ffffffff1995718 RBX: ffffffff8ccab8c0 RCX: ffffffff813b7dd4
RDX: 0000000000000000 RSI: ffffffff8b59eb20 RDI: ffffffff8b59eae0
RBP: ffff88801a16d940 R08: ffffffff8e99daef R09: 1ffffffff1d33b5d
R10: dffffc0000000000 R11: fffffbfff1d33b5e R12: ffff8880b9828720
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007fc3cdeee6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc3cdeedf00 CR3: 0000000067831000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 irqtime_account_irq+0x6d/0x1e0 kernel/sched/cputime.c:63
 account_hardirq_exit include/linux/vtime.h:159 [inline]
 __irq_exit_rcu+0xb9/0x1b0 kernel/softirq.c:629
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1074
 </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: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 2a d8 9d f6 48 89 df e8 32 c9 9e f6 e8 bd cc c4 f6 fb bf 01 00 00 00 <e8> d2 02 91 f6 65 8b 05 83 8c 35 75 85 c0 74 02 5b c3 e8 a0 59 32
RSP: 0018:ffffc90009c2fc50 EFLAGS: 00000282
RAX: 3a8d4c24bc173c00 RBX: ffff88807a619280 RCX: ffffffff8192f7ec
RDX: dffffc0000000000 RSI: ffffffff8b59eb20 RDI: 0000000000000001
RBP: ffffc90009c2fd90 R08: ffffffff8e99daef R09: 1ffffffff1d33b5d
R10: dffffc0000000000 R11: fffffbfff1d33b5e R12: 1ffff1100f4c32e3
R13: 000000001c000004 R14: 0000000000000021 R15: ffff88807a619718
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x155d/0x1840 kernel/signal.c:2895
 arch_do_signal_or_restart+0x96/0x830 arch/x86/kernel/signal.c:309
 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:285 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
 do_syscall_64+0x4d/0x90 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc3cd27cae9
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:00007fc3cdeee0c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fc3cd39bf80 RCX: 00007fc3cd27cae9
RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc3cd2c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc3cd39bf80 R15: 00007fff69d0d3b8
 </TASK>