rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=44521, q=179 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294991840-4294981338), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g44521 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:24816 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
 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+0x9/0x190 kernel/sched/core.c:5860
Code: 24 e8 2b 84 96 00 eb 8c e9 ee fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 <89> fb 48 c7 c0 e0 06 7b 94 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff
RSP: 0018:ffffc90000167b28 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff11002f5a000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcab920 RDI: 0000000000000001
RBP: ffff888017ad0000 R08: ffffffff8fad4c6f R09: 1ffffffff1f5a98d
R10: dffffc0000000000 R11: fffffbfff1f5a98e R12: dffffc0000000000
R13: 1ffff9200002cf70 R14: ffffffff8b948b30 R15: ffff888017ad1278
 __schedule_loop kernel/sched/core.c:6821 [inline]
 schedule+0x144/0x320 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+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: 9578 Comm: syz-executor.2 Not tainted 6.9.0-next-20240521-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:4962 [inline]
RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:4969 [inline]
RIP: 0010:finish_task_switch+0x7bf/0x870 kernel/sched/core.c:5292
Code: d3 66 90 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 99 7c 95 00 48 8b 1b 48 85 db 75 82 <e9> 7b fa ff ff 44 89 e9 80 e1 07 38 c1 0f 8c b0 fd ff ff 4c 89 ef
RSP: 0018:ffffc90002ed7788 EFLAGS: 00000246
RAX: 1ffff1100f109bc0 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffffffff8bcab920 RDI: ffff88807884eff8
RBP: ffffc90002ed77d0 R08: ffffffff8fad4c6f R09: 1ffffffff1f5a98d
R10: dffffc0000000000 R11: fffffbfff1f5a98e R12: 1ffff110172a7ea7
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff8880b953f538
FS:  00007f038a2486c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000002424e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 context_switch kernel/sched/core.c:5411 [inline]
 __schedule+0x17f0/0x4a50 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/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: 0033:0x7f038947cee9
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:00007f038a248178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f03895abf88 RCX: 00007f038947cee9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f03895abf88
RBP: 00007f03895abf80 R08: 00007f038a2486c0 R09: 00007f038a2486c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f03895abf8c
R13: 000000000000000b R14: 00007ffc8d603710 R15: 00007ffc8d6037f8
 </TASK>