rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P14256/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=153581, q=797 ncpus=2)
task:syz-executor.4  state:R  running task     stack:23984 pid:14256 tgid:14256 ppid:14247  flags:0x00000002
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:rcu_is_watching+0x0/0xc0 kernel/rcu/tree.c:720
Code: c7 00 48 2e 8b e8 50 48 75 09 65 8a 05 35 c2 8f 7e 0f b6 c0 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 53 65 ff 05 eb 9e 8f 7e e8 ee 47 75 09 48 c7 c3 28
RSP: 0018:ffffc900035ff8e8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff820a216d
RDX: ffff888017b23c00 RSI: ffffffff820a2ad3 RDI: 0000000000000005
RBP: ffffc900035ff9f0 R08: ffffffff820a2157 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: ffff88807c93cffe
R13: 1ffff920006bff2c R14: dffffc0000000000 R15: ffff8880560e2d38
 rcu_read_lock include/linux/rcupdate.h:782 [inline]
 prepend_path+0xa38/0xf50 fs/d_path.c:164
 d_absolute_path+0xff/0x1b0 fs/d_path.c:234
 tomoyo_get_absolute_path security/tomoyo/realpath.c:101 [inline]
 tomoyo_realpath_from_path+0x36a/0x720 security/tomoyo/realpath.c:271
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x273/0x450 security/tomoyo/file.c:822
 tomoyo_path_rmdir+0x92/0xe0 security/tomoyo/tomoyo.c:195
 security_path_rmdir+0x100/0x170 security/security.c:1841
 do_rmdir+0x2b5/0x410 fs/namei.c:4270
 __do_sys_unlinkat fs/namei.c:4449 [inline]
 __se_sys_unlinkat fs/namei.c:4443 [inline]
 __x64_sys_unlinkat+0xf3/0x130 fs/namei.c:4443
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe462e7c6c7
RSP: 002b:00007ffee2d899e8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007fe462e7c6c7
RDX: 0000000000000200 RSI: 00007ffee2d8ab60 RDI: 00000000ffffff9c
RBP: 00007fe462ec8336 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffee2d8ab60
R13: 00007fe462ec8336 R14: 00000000000fae58 R15: 000000000000001d
 </TASK>
rcu: rcu_preempt kthread starved for 10535 jiffies! g153581 f0x0 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:27680 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
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 14620 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:162 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:269 [inline]
RIP: 0010:native_apic_msr_write arch/x86/include/asm/apic.h:209 [inline]
RIP: 0010:native_apic_msr_write+0x28/0x40 arch/x86/include/asm/apic.h:203
Code: 90 90 f3 0f 1e fa 8d 87 30 ff ff ff 83 e0 ef 74 20 89 f8 83 e0 ef 83 f8 20 74 16 c1 ef 04 31 d2 89 f0 8d 8f 00 08 00 00 0f 30 <66> 90 c3 cc cc cc cc c3 cc cc cc cc 89 f6 31 d2 89 cf e9 41 a2 79
RSP: 0018:ffffc90003d7f9f8 EFLAGS: 00000046
RAX: 000000000000003e RBX: ffff8880b93283c0 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 000000000000003e RDI: 0000000000000038
RBP: 000000000000003e R08: 0000000000000005 R09: 000000000000003f
R10: 0000000000000020 R11: 0000000000000002 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000020 R15: ffffed101726507d
FS:  00007feee6a726c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feee6a71f00 CR3: 0000000049f20000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 apic_write arch/x86/include/asm/apic.h:410 [inline]
 lapic_next_event+0x10/0x20 arch/x86/kernel/apic/apic.c:415
 clockevents_program_min_delta+0x173/0x3a0 kernel/time/clockevents.c:248
 clockevents_program_event+0x2a6/0x380 kernel/time/clockevents.c:336
 tick_program_event+0xa9/0x140 kernel/time/tick-oneshot.c:44
 __hrtimer_reprogram kernel/time/hrtimer.c:679 [inline]
 __hrtimer_reprogram kernel/time/hrtimer.c:653 [inline]
 hrtimer_reprogram+0x283/0x460 kernel/time/hrtimer.c:864
 hrtimer_start_range_ns+0x7ea/0xe10 kernel/time/hrtimer.c:1301
 posixtimer_rearm+0x1ee/0x360 kernel/time/posix-timers.c:267
 dequeue_signal+0x2ac/0x660 kernel/signal.c:696
 get_signal+0x5fb/0x2710 kernel/signal.c:2790
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x14a/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x260 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feee5c7cee9
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:00007feee6a720c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007feee5dabf80 RCX: 00007feee5c7cee9
RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007feee5cc949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007feee5dabf80 R15: 00007fff041a6498
 </TASK>