rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2655 jiffies s: 2453 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: 5486 Comm: syz-executor.0 Not tainted 6.8.0-rc3-syzkaller-00279-g4a7bbe7519b6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:advance_sched+0xa9c/0xca0 Code: ca b4 1d f8 eb 24 e8 c3 b4 1d f8 c6 05 f5 4e fa 05 01 48 c7 c7 00 26 a3 8c be f0 02 00 00 48 c7 c2 40 26 a3 8c e8 b4 bf fb f7 <48> 8b bc 24 88 00 00 00 e8 b7 5a c8 ff e8 02 c2 f0 01 89 c5 31 ff RSP: 0018:ffffc90000007c90 EFLAGS: 00000046 RAX: ffffffff8975b234 RBX: ffffffff8975b1f2 RCX: ffff888029e58000 RDX: 0000000080010001 RSI: ffffffff8bfe6840 RDI: ffffffff8bfe6800 RBP: 0000000000000001 R08: ffffffff8975b222 R09: 1ffffffff2591284 R10: dffffc0000000000 R11: fffffbfff2591285 R12: dffffc0000000000 R13: ffff888024265408 R14: ffff888024265400 R15: ffff888023e7a360 FS: 00007fe54f5416c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 0000000021e6c000 CR4: 0000000000350ef0 Call Trace: __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x596/0xd00 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x109/0x3a0 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 7e 56 84 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 a3 1a f3 f5 65 8b 05 34 91 92 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90004fafac0 EFLAGS: 00000206 RAX: 33a85f41ffc60500 RBX: 1ffff920009f5f5c RCX: ffffffff94481303 RDX: dffffc0000000000 RSI: ffffffff8baab5e0 RDI: 0000000000000001 RBP: ffffc90004fafb50 R08: ffffffff8f855aaf R09: 1ffffffff1f0ab55 R10: dffffc0000000000 R11: fffffbfff1f0ab56 R12: dffffc0000000000 R13: 1ffff920009f5f58 R14: ffffc90004fafae0 R15: 0000000000000246 timekeeping_advance+0x7e3/0xab0 kernel/time/timekeeping.c:2220 do_adjtimex+0x7e9/0xab0 kernel/time/timekeeping.c:2476 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline] __do_sys_clock_adjtime kernel/time/posix-timers.c:1171 [inline] __se_sys_clock_adjtime kernel/time/posix-timers.c:1162 [inline] __x64_sys_clock_adjtime+0x1e3/0x290 kernel/time/posix-timers.c:1162 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fe54e87cda9 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:00007fe54f5410c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 00007fe54e9abf80 RCX: 00007fe54e87cda9 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000000 RBP: 00007fe54e8c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe54e9abf80 R15: 00007ffe7e1f06b8