rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5063/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=176169, q=53 ncpus=2)
task:syz-executor.2  state:R  running task     stack:24856 pid:5063  ppid:5053   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7007
 irqentry_exit+0x35/0x80 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:avc_search_node security/selinux/avc.c:532 [inline]
RIP: 0010:avc_lookup+0xcf/0x1d0 security/selinux/avc.c:560
Code: 00 00 e8 c4 ba a9 fd 48 83 eb 28 e8 bb ba a9 fd 48 85 db 0f 84 c0 00 00 00 e8 ad ba a9 fd 48 89 d8 48 c1 e8 03 42 0f b6 04 20 <84> c0 74 08 3c 03 0f 8e b8 00 00 00 8b 2b 44 89 ef 89 ee e8 79 b5
RSP: 0018:ffffc900037e7b80 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffff88807ab25dd0 RCX: 0000000000000000
RDX: ffff888078108040 RSI: ffffffff83dd1253 RDI: ffff88801c3f3df8
RBP: 0000000000000006 R08: 0000000000000002 R09: 000000000000000a
R10: 0000000000000006 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000092 R14: 000000000000000a R15: 0000000000000094
 avc_has_perm_noaudit+0x99/0x3b0 security/selinux/avc.c:1154
 avc_has_perm+0xc1/0x1c0 security/selinux/avc.c:1192
 may_link+0x26c/0x310 security/selinux/hooks.c:1879
 security_inode_unlink+0xd6/0x130 security/security.c:1949
 vfs_unlink+0x18b/0x900 fs/namei.c:4327
 do_unlinkat+0x3da/0x6d0 fs/namei.c:4398
 __do_sys_unlink fs/namei.c:4446 [inline]
 __se_sys_unlink fs/namei.c:4444 [inline]
 __x64_sys_unlink+0xc8/0x110 fs/namei.c:4444
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f340667c297
RSP: 002b:00007ffe51fbf158 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f340667c297
RDX: 00007ffe51fbf180 RSI: 00007ffe51fbf210 RDI: 00007ffe51fbf210
RBP: 00007ffe51fbf210 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe51fc02d0
R13: 00007f34066c73b9 R14: 000000000031f46c R15: 0000000000000007
 </TASK>
rcu: rcu_preempt kthread starved for 10528 jiffies! g176169 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:29064 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1613
 rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1812
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.6.0-rc1-syzkaller-00125-ge42bebf6db29 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
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:72 [inline]
RIP: 0010:acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:113
Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 00 bd 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 27 28 b6 00 fb f4 <fa> c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f
RSP: 0018:ffffffff8c807d70 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8a3df11e
RDX: 0000000000000001 RSI: ffff888144650800 RDI: ffff888144650864
RBP: ffff888144650864 R08: 0000000000000000 R09: ffffed1017306dbd
R10: ffff8880b9836deb R11: 0000000000000001 R12: ffff88814528c800
R13: ffffffff8d6570e0 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055672b8225f0 CR3: 000000006b154000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707
 cpuidle_enter_state+0x82/0x500 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
 cpuidle_idle_call kernel/sched/idle.c:215 [inline]
 do_idle+0x315/0x3f0 kernel/sched/idle.c:282
 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
 rest_init+0x16f/0x2b0 init/main.c:726
 arch_call_rest_init+0x13/0x30 init/main.c:823
 start_kernel+0x39f/0x480 init/main.c:1068
 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:556
 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:537
 secondary_startup_64_no_verify+0x166/0x16b
 </TASK>