rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2674 jiffies s: 9597 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5096 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:debug_spin_lock_after kernel/locking/spinlock_debug.c:94 [inline] RIP: 0010:do_raw_spin_lock+0x17c/0x370 kernel/locking/spinlock_debug.c:118 Code: 44 1d 00 84 c0 48 89 da 0f 85 8d 01 00 00 8b 44 24 60 b9 01 00 00 00 f0 41 0f b1 0c 24 0f 85 df 00 00 00 65 8b 1d 00 d5 90 7e <41> 0f b6 04 17 84 c0 0f 85 90 01 00 00 48 8b 44 24 18 89 18 48 8b RSP: 0018:ffffc90000007ba0 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90000007c00 RBP: ffffc90000007c80 R08: 0000000000000003 R09: fffff52000000f80 R10: dffffc0000000000 R11: fffff52000000f80 R12: ffff88801112c2e8 R13: 1ffff92000000f80 R14: ffffc90000007c00 R15: 1ffff1100222585e FS: 000055556449b480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555644a4938 CR3: 00000000632c8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_lock include/linux/spinlock.h:351 [inline] advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x595/0xd00 kernel/time/hrtimer.c:1756 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x107/0x3a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:206 Code: 8b 3d 6c fc 1b 0c 48 89 de 5b e9 23 fb 57 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 80 d0 03 00 65 8b 15 20 db 6e 7e f7 c2 00 01 ff 00 RSP: 0018:ffffc90004437700 EFLAGS: 00000202 RAX: ffffffff845d5d50 RBX: 0000000000000001 RCX: ffff888063318000 RDX: ffff888063318000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff1100415555a R08: ffffffff845d5d47 R09: ffffffff845a04b1 R10: 0000000000000002 R11: ffff888063318000 R12: ffff888020aaaa80 R13: ffffc900044379c0 R14: ffff888020aaaad2 R15: dffffc0000000000 tomoyo_domain_quota_is_ok+0xa0/0x580 security/tomoyo/util.c:1054 tomoyo_supervisor+0x340/0x11f0 security/tomoyo/common.c:2081 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission+0x243/0x360 security/tomoyo/file.c:587 tomoyo_path_perm+0x480/0x740 security/tomoyo/file.c:838 security_inode_getattr+0xd8/0x130 security/security.c:2263 vfs_getattr+0x45/0x430 fs/stat.c:173 vfs_statx+0x1a5/0x4e0 fs/stat.c:248 vfs_fstatat+0x135/0x190 fs/stat.c:304 __do_sys_newfstatat fs/stat.c:468 [inline] __se_sys_newfstatat fs/stat.c:462 [inline] __x64_sys_newfstatat+0x117/0x190 fs/stat.c:462 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f5dddc7c84a Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b0 ff ff ff f7 RSP: 002b:00007f5dddecec68 EFLAGS: 00000286 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5dddc7c84a RDX: 00007f5dddecec90 RSI: 00007f5dddeced20 RDI: 00000000ffffff9c RBP: 00007f5dddeced20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000286 R12: 00007f5dddecfde0 R13: 00007f5dddcc93b9 R14: 000000000003d169 R15: 0000000000000004