rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=26473, q=6 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294969766-4294959264), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g26473 f0x0 RCU_GP_ONOFF(3) ->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:27064 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
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:658
RIP: 0010:rcu_gp_slow_is_suppressed kernel/rcu/tree.c:1347 [inline]
RIP: 0010:rcu_gp_slow kernel/rcu/tree.c:1354 [inline]
RIP: 0010:rcu_gp_init+0xb5b/0x15f0 kernel/rcu/tree.c:1565
Code: 00 00 00 80 e1 07 80 c1 03 38 c1 0f 8c 0b fe ff ff 48 8d bc 24 e0 00 00 00 e8 91 83 6d 00 e9 f9 fd ff ff 44 8b 35 05 c1 82 10 <48> 8b 1d 9e c1 82 10 48 85 db 74 7f 48 89 df be 04 00 00 00 e8 9c
RSP: 0018:ffffc90000157ca0 EFLAGS: 00000246
RAX: ffffffff8d330340 RBX: 0000000000000001 RCX: ffffffff91f31103
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: ffffffff8b5d5de0
RBP: ffffc90000157e10 R08: dffffc0000000000 R09: fffffbfff1a65fc9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8d32fea8
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff8d330340
 rcu_gp_kthread+0x183/0x3b0 kernel/rcu/tree.c:1895
 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5735 Comm: syz.4.518 Not tainted 6.1.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__preempt_count_dec_and_test arch/x86/include/asm/preempt.h:95 [inline]
RIP: 0010:rcu_is_watching+0x5c/0xb0 kernel/rcu/tree.c:722
Code: 80 3c 38 00 74 08 4c 89 f7 e8 50 c4 6e 00 48 c7 c3 a8 56 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 1e 8b 03 <65> ff 0d b5 16 8f 7e 74 0c 83 e0 04 c1 e8 02 5b 41 5e 41 5f c3 e8
RSP: 0018:ffffc900001e0ca0 EFLAGS: 00000046
RAX: 0000000000236384 RBX: ffff8880b99356a8 RCX: ffffffff816a72bb
RDX: 0000000000000000 RSI: ffffffff8b5d5dc0 RDI: ffffffff8b5d5d80
RBP: ffffc900001e0e08 R08: dffffc0000000000 R09: fffffbfff1d33896
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200003c1a0
R13: dffffc0000000000 R14: ffffffff8cd88868 R15: dffffc0000000000
FS:  0000555555bda500(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3390aff8 CR3: 000000005f2a3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0xfa/0x5a0 kernel/locking/lockdep.c:5633
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 hrtimer_interrupt+0xf7/0x980 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:653
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 9d f5 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 6e 1a bb f6 48 89 df e8 d6 57 bc f6 e8 c1 e5 e1 f6 fb bf 01 00 00 00 <e8> c6 e8 ae f6 65 8b 05 67 f1 52 75 85 c0 74 02 5b c3 e8 14 15 51
RSP: 0018:ffffc9000466fb30 EFLAGS: 00000286
RAX: f99c84708d87fd00 RBX: ffff888028261280 RCX: ffffffff91f31103
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: 0000000000000001
RBP: ffffc9000466fc70 R08: dffffc0000000000 R09: ffffed100504c251
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100504c2e3
R13: 000000001c000004 R14: 0000000000000021 R15: ffff888028261718
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x154b/0x17d0 kernel/signal.c:2873
 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: 0033:0x7f38e9377a33
Code: f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 89 ca 41 f7 c1 ff 0f 00 00 75 14 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 c3 0f 1f 40 00 48 c7 c0 a8 ff ff ff 64 c7
RSP: 002b:00007ffd31ea01b8 EFLAGS: 00000246
RAX: 00007f38ea1d8000 RBX: 00007f38e7df76c0 RCX: 00007f38e9377a33
RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffd31ea0310
R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000
 </TASK>