rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P4544/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=14413, q=541 ncpus=2)
task:udevd           state:R  running task     stack:22592 pid:4544  tgid:4544  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5249 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6919
 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:lock_release+0x630/0x9f0 kernel/locking/lockdep.c:5840
Code: 3c 3b 00 74 08 4c 89 f7 e8 ad 88 8a 00 f6 84 24 91 00 00 00 02 75 77 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc900044975c0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000892eca RCX: ffffc90004497603
RDX: 0000000000000000 RSI: ffffffff8bcad9a0 RDI: ffffffff8c2074e0
RBP: ffffc900044976e8 R08: ffffffff8faeec6f R09: 1ffffffff1f5dd8d
R10: dffffc0000000000 R11: fffffbfff1f5dd8e R12: 1ffff92000892ec4
R13: 0000000000000246 R14: ffffc90004497650 R15: dffffc0000000000
 rcu_lock_release include/linux/rcupdate.h:343 [inline]
 rcu_read_unlock include/linux/rcupdate.h:876 [inline]
 __d_lookup+0x722/0x7e0 fs/dcache.c:2328
 lookup_fast+0x74/0x4a0 fs/namei.c:1657
 walk_component fs/namei.c:2007 [inline]
 link_path_walk+0x60b/0xea0 fs/namei.c:2338
 path_openat+0x257/0x35e0 fs/namei.c:3820
 do_filp_open+0x235/0x490 fs/namei.c:3851
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1417
 do_sys_open fs/open.c:1432 [inline]
 __do_sys_openat fs/open.c:1448 [inline]
 __se_sys_openat fs/open.c:1443 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1443
 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: 0033:0x7f6ce311a477
RSP: 002b:00007fff552c1568 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005607a71ae230 RCX: 00007f6ce311a477
RDX: 0000000000090800 RSI: 00005607a71b2470 RDI: 00000000ffffff9c
RBP: 00005607a71d5890 R08: 0000000000090800 R09: 00005607a71b2470
R10: 0000000000000000 R11: 0000000000000287 R12: 00005607a71b2470
R13: 00000000000000fd R14: 000056078fef21c4 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10476 jiffies! g14413 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:25112 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5249 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
 __schedule_loop kernel/sched/core.c:6674 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6689
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2020
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2222
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
 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 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-rc5-next-20240624-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 c0 d5 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d c5 3f 9c 00 f3 0f 1e fa fb f4 <fa> c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffffff8e007ca8 EFLAGS: 00000246
RAX: ffffffff8e094680 RBX: ffff8880192a1064 RCX: 00000000000646b9
RDX: 0000000000000001 RSI: ffff8880192a1000 RDI: ffff8880192a1064
RBP: 000000000003a678 R08: ffff8880b9437ccb R09: 1ffff11017286f99
R10: dffffc0000000000 R11: ffffffff8b8dcc10 R12: ffff888019f8a000
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8ead8b80
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3191bff8 CR3: 0000000029a62000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707
 cpuidle_enter_state+0x112/0x480 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:230 [inline]
 do_idle+0x375/0x5d0 kernel/sched/idle.c:326
 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:424
 rest_init+0x2dc/0x300 init/main.c:747
 start_kernel+0x47a/0x500 init/main.c:1103
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507
 x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:488
 common_startup_64+0x13e/0x147
 </TASK>