rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=17409, q=336 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294972274-4294961771), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g17409 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:26448 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__schedule_loop kernel/sched/core.c:6821 [inline]
RIP: 0010:schedule+0x13a/0x320 kernel/sched/core.c:6837
Code: 00 00 00 e8 b8 ee ff f8 48 c7 c7 60 10 1f 8e 4c 89 f6 e8 e9 64 eb f5 48 89 eb 48 c1 eb 03 eb 0a 48 f7 45 00 08 00 00 00 74 2c <bf> 01 00 00 00 e8 ec 72 de f5 31 ff e8 d5 b4 ff ff bf 01 00 00 00
RSP: 0018:ffffc90000167b68 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff11002e59000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: 0000000000000001
RBP: ffff8880172c8000 R08: ffffffff8fac246f R09: 1ffffffff1f5848d
R10: dffffc0000000000 R11: fffffbfff1f5848e R12: dffffc0000000000
R13: 1ffff9200002cf74 R14: ffffffff8b872520 R15: ffff8880172c9278
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 7069 Comm: syz-executor.3 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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 89 fb 48 83 c7 18 48 8b 74 24 08 e8 fa ca e9 f5 48 89 df e8 92 0d eb f5 e8 4d d3 14 f6 fb bf 01 00 00 00 <e8> a2 da dc f5 65 8b 05 03 15 7b 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc900048f7b70 EFLAGS: 00000282
RAX: 9dd6fc1ebfdea200 RBX: ffff888027e9c0c0 RCX: ffffffff9476c603
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: 0000000000000001
RBP: ffffc900048f7c50 R08: ffffffff8fac246f R09: 1ffffffff1f5848d
R10: dffffc0000000000 R11: fffffbfff1f5848e R12: 1ffff1100b98dc64
R13: ffff88805cc6e318 R14: 0000000100000000 R15: ffff88805cc6da00
FS:  00007fb8fb30d6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555567d9c938 CR3: 0000000079b02000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 __set_current_blocked+0x310/0x380 kernel/signal.c:3099
 set_current_blocked kernel/signal.c:3083 [inline]
 signal_delivered kernel/signal.c:2945 [inline]
 signal_setup_done+0x39e/0x600 kernel/signal.c:2957
 handle_signal arch/x86/kernel/signal.c:285 [inline]
 arch_do_signal_or_restart+0x51f/0x860 arch/x86/kernel/signal.c:312
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb8fa6a4630
Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d 5a 9b 04 00 e8 35 78 fa ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48
RSP: 002b:00007fb8fb30cbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007fb8fa7b3f88 RCX: 00007fb8fa67cea9
RDX: 00007fb8fb30cbc0 RSI: 00007fb8fb30ccf0 RDI: 0000000000000021
RBP: 00007fb8fa7b3f80 R08: 00007fb8fb30d6c0 R09: 00007fb8fb30d6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8fa7b3f8c
R13: 000000000000000b R14: 00007ffd6f11ee80 R15: 00007ffd6f11ef68
 </TASK>