rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=220237, q=274 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295129464-4295118962), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g220237 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:24952 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/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: 0 PID: 23632 Comm: syz-executor.4 Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5282
Code: c9 50 e8 79 d1 0b 00 48 83 c4 08 4c 89 f7 e8 ed 38 00 00 0f 1f 44 00 00 4c 89 f7 e8 00 cf 2c 0a e8 db fc 36 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc9000ad6f5e8 EFLAGS: 00000282
RAX: 4e85de2cb8ced300 RBX: ffff888020bd9e00 RCX: ffffffff947a9603
RDX: dffffc0000000000 RSI: ffffffff8bcab880 RDI: ffffffff8c1fe1a0
RBP: ffffc9000ad6f630 R08: ffffffff8fad38af R09: 1ffffffff1f5a715
R10: dffffc0000000000 R11: fffffbfff1f5a716 R12: 1ffff11017287ea7
R13: dffffc0000000000 R14: ffff8880b943e7c0 R15: ffff8880b943f538
FS:  00007f5cf01416c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c22a000 CR3: 000000007820a000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 context_switch kernel/sched/core.c:5411 [inline]
 __schedule+0x17f0/0x4a50 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:preempt_count_add+0x25/0x190 kernel/sched/core.c:5865
Code: 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 89 fb 48 c7 c0 e0 96 7a 94 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df 42 0f b6 04 38 <84> c0 0f 85 ed 00 00 00 83 3d 7c f4 14 13 00 75 07 65 8b 05 9b 32
RSP: 0018:ffffc9000ad6f9e0 EFLAGS: 00000212
RAX: 0000000000000004 RBX: 0000000000000001 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcab880 RDI: 0000000000000001
RBP: ffff888020bd9e00 R08: ffffffff8fad38af R09: 1ffffffff1f5a715
R10: dffffc0000000000 R11: fffffbfff1f5a716 R12: dffffc0000000000
R13: ffffc9000ad6faf8 R14: ffffffff8b91da30 R15: dffffc0000000000
 __schedule_loop kernel/sched/core.c:6821 [inline]
 schedule+0x144/0x320 kernel/sched/core.c:6837
 futex_wait_queue+0x14e/0x1d0 kernel/futex/waitwake.c:370
 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669
 futex_wait+0x101/0x360 kernel/futex/waitwake.c:697
 do_futex+0x33b/0x560 kernel/futex/syscalls.c:102
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex+0x3f9/0x480 kernel/futex/syscalls.c:160
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5cef47cee9
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:00007f5cf0141178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f5cef5ac128 RCX: 00007f5cef47cee9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f5cef5ac128
RBP: 00007f5cef5ac120 R08: 00007f5cf01416c0 R09: 00007f5cf01416c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5cef5ac12c
R13: 000000000000006e R14: 00007fff73d1f080 R15: 00007fff73d1f168
 </TASK>