rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5164/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=167621, q=237 ncpus=2)
task:kworker/0:6     state:R  running task     stack:22512 pid:5164  tgid:5164  ppid:2      flags:0x00004000
Workqueue: events_power_efficient gc_worker
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 preempt_schedule_notrace+0x62/0xe0 kernel/sched/core.c:7017
 preempt_schedule_notrace_thunk+0x1a/0x30 arch/x86/entry/thunk.S:13
 rcu_is_watching+0x8e/0xc0 kernel/rcu/tree.c:725
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x47b/0x560 kernel/locking/lockdep.c:5725
 rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 rcu_read_lock include/linux/rcupdate.h:781 [inline]
 gc_worker+0x24d/0x1770 net/netfilter/nf_conntrack_core.c:1486
 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: rcu_preempt kthread starved for 10518 jiffies! g167621 f0x0 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:27576 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
 irqentry_exit+0x36/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count_add+0x4/0x150 kernel/sched/core.c:5873
Code: cc cc e8 af 47 89 09 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> c7 c0 e0 4b b4 94 55 48 ba 00 00 00 00 00 fc ff df 48 89 c1 53
RSP: 0018:ffffc90000167bf8 EFLAGS: 00000202
RAX: 0000000000004008 RBX: ffff8880176c8000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff8b2caf60 RDI: 0000000000000001
RBP: ffffed1002ed9000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff8fe43d57 R11: 0000000000000000 R12: ffff8880176c802c
R13: ffff8880176c8000 R14: 1ffffffff1b01e40 R15: 0000000000000001
 __schedule_loop kernel/sched/core.c:6821 [inline]
 schedule+0xe0/0x350 kernel/sched/core.c:6837
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 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: 23499 Comm: syz-executor.1 Not tainted 6.10.0-rc4-syzkaller-00217-g35bb670d65fc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:entry_SYSCALL_64+0x23/0x2b arch/x86/entry/entry_64.S:95
Code: cc cc cc cc cc cc cc f3 0f 1e fa 0f 01 f8 65 48 89 25 85 9f 00 75 66 90 0f 20 dc 0f 1f 44 00 00 48 81 e4 ff e7 ff ff 0f 22 dc <65> 48 8b 25 6d d8 03 75 6a 2b 65 ff 35 60 9f 00 75 41 53 6a 33 51
RSP: 0018:00000000542c0000 EFLAGS: 00000006
RAX: 00000000000000ca RBX: 00007fb98c9b41f8 RCX: 00007fb98c87d0a9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb98c9b41f8
RBP: 00007fb98c9b41f0 R08: 00007fb98d6696c0 R09: 00007fb98d6696c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb98c9b41fc
R13: 000000000000006e R14: 00007ffd7c44fdb0 R15: 00007ffd7c44fe98
FS:  00007fb98d6696c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb98d6aaf00 CR3: 00000000542c0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>