rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=13433, q=581 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10498 (4294960698-4294950200), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10498 jiffies! g13433 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:23728 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
 __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/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:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5750 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00235-g8a92980606e3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:__lock_acquire+0xf21/0x1fd0 kernel/locking/lockdep.c:5133
Code: 00 8b 1b 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 25 f7 92 be 08 00 00 00 e8 a7 27 86 00 48 0f a3 1d 1f ac 84 11 <0f> 83 56 02 00 00 48 69 c3 c8 00 00 00 48 8d 98 80 84 c5 92 48 bf
RSP: 0018:ffffc90000007830 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 00000000000000a6 RCX: ffffffff81727959
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92f72590
RBP: 5fd4cdc84ab4917d R08: ffffffff92f72597 R09: 1ffffffff25ee4b2
R10: dffffc0000000000 R11: fffffbfff25ee4b3 R12: ffff888025543c00
R13: ffff888025543c00 R14: 0000000000000000 R15: ffff888025543c00
FS:  00007f4eb04c26c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020040000 CR3: 000000007f026000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:567
 raw_spin_rq_lock kernel/sched/sched.h:1406 [inline]
 rq_lock kernel/sched/sched.h:1702 [inline]
 ttwu_queue kernel/sched/core.c:4055 [inline]
 try_to_wake_up+0x7cc/0x1470 kernel/sched/core.c:4378
 signal_wake_up_state+0xb4/0x120 kernel/signal.c:773
 signal_wake_up include/linux/sched/signal.h:448 [inline]
 complete_signal+0x94a/0xcf0 kernel/signal.c:1065
 __send_signal_locked+0xb1b/0xdc0 kernel/signal.c:1185
 do_send_sig_info kernel/signal.c:1301 [inline]
 group_send_sig_info+0x292/0x310 kernel/signal.c:1451
 do_bpf_send_signal+0x85/0x190 kernel/trace/bpf_trace.c:838
 irq_work_single+0xe2/0x240 kernel/irq_work.c:221
 irq_work_run_list kernel/irq_work.c:252 [inline]
 irq_work_run+0x18b/0x350 kernel/irq_work.c:261
 __sysvec_irq_work+0xb8/0x430 arch/x86/kernel/irq_work.c:22
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x9e/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5282
Code: c9 50 e8 99 c9 0b 00 48 83 c4 08 4c 89 f7 e8 cd 38 00 00 e9 de 04 00 00 4c 89 f7 e8 70 03 22 0a e8 6b f8 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:ffffc90014367628 EFLAGS: 00000282
RAX: 3f4dcaefc2bbaa00 RBX: ffff888025543c00 RCX: ffffffff9476a603
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: ffffffff8c1f2000
RBP: ffffc90014367670 R08: ffffffff8fac1f6f R09: 1ffffffff1f583ed
R10: dffffc0000000000 R11: fffffbfff1f583ee R12: 1ffff11017287e9f
R13: dffffc0000000000 R14: ffff8880b943e780 R15: ffff8880b943f4f8
 context_switch kernel/sched/core.c:5411 [inline]
 __schedule+0x179e/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 f9 ff f8 48 c7 c7 60 10 1f 8e 4c 89 f6 e8 c9 84 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 cc 92 de f5 31 ff e8 d5 b4 ff ff bf 01 00 00 00
RSP: 0018:ffffc90014367a00 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff11004aa8780 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: 0000000000000001
RBP: ffff888025543c00 R08: ffffffff8fac1f6f R09: 1ffffffff1f583ed
R10: dffffc0000000000 R11: fffffbfff1f583ee R12: dffffc0000000000
R13: ffffc90014367af8 R14: ffffffff8b8704c0 R15: ffff888025544e78
 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4eaf67cf69
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:00007f4eb04c2178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f4eaf7b4058 RCX: 00007f4eaf67cf69
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4eaf7b4058
RBP: 00007f4eaf7b4050 R08: 00007f4eb04c26c0 R09: 00007f4eb04c26c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4eaf7b405c
R13: 000000000000006e R14: 00007ffd4a72e6e0 R15: 00007ffd4a72e7c8
 </TASK>