rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2672 jiffies s: 5701 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5218 Comm: syz-executor Not tainted 6.11.0-rc3-syzkaller-00306-gdf6cbc62cc9b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__lock_acquire+0x95d/0x3cb0 kernel/locking/lockdep.c:5115
Code: 03 38 d0 7c 08 84 d2 0f 85 6f 32 00 00 8b 15 5a 5f 88 13 85 d2 0f 84 ec 04 00 00 49 8d 87 d0 0a 00 00 48 89 c2 48 89 44 24 70 <48> b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 52 2d
RSP: 0018:ffffc90000a18b40 EFLAGS: 00000047
RAX: ffff8880242546d0 RBX: 0000000000000021 RCX: ffffffff816836d8
RDX: ffff8880242546d0 RSI: 0000000000000008 RDI: ffffffff9462a6c0
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff28c54d8
R10: ffffffff9462a6c7 R11: 0000000000000002 R12: ffff888024254751
R13: ffff888024254758 R14: 0000000000000002 R15: ffff888024253c00
FS:  0000555577c67500(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555577c825c8 CR3: 000000002c7b2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5759 [inline]
 lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5724
 rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
 rcu_read_lock include/linux/rcupdate.h:838 [inline]
 advance_sched+0x67f/0xc60 net/sched/sch_taprio.c:985
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:stack_trace_consume_entry+0x39/0x170 kernel/stacktrace.c:86
Code: 53 48 89 fb 48 83 c7 10 48 89 fa 48 83 ec 08 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e e7 00 00 00 48 8d 7b 08 8b 6b 10 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84
RSP: 0018:ffffc900033076f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900033077e0 RCX: ffffffff8134153e
RDX: 1ffff92000660efe RSI: ffffffff84388830 RDI: ffffc900033077e8
RBP: 0000000000000008 R08: 0000000000000007 R09: 0000000000000000
R10: ffffffff84388830 R11: 0000000000000000 R12: ffffc90003307720
R13: ffffffff817615a0 R14: ffffc900033077e0 R15: ffff888024253c00
 arch_stack_walk+0xe1/0x170 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
 poison_slab_object+0xf7/0x160 mm/kasan/common.c:240
 __kasan_slab_free+0x32/0x50 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2252 [inline]
 slab_free mm/slub.c:4473 [inline]
 kfree+0x12a/0x3b0 mm/slub.c:4594
 tomoyo_path_perm+0x299/0x450 security/tomoyo/file.c:842
 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:4349
 __do_sys_unlinkat fs/namei.c:4528 [inline]
 __se_sys_unlinkat fs/namei.c:4522 [inline]
 __x64_sys_unlinkat+0xef/0x130 fs/namei.c:4522
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc9c2d79457
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd20798ad8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007fc9c2d79457
RDX: 0000000000000200 RSI: 00007ffd20799c10 RDI: 00000000ffffff9c
RBP: 00007fc9c2de77b4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffd20799c10
R13: 00007fc9c2de77b4 R14: 0000000000045efd R15: 00007ffd20799c50
 </TASK>