rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2655 jiffies s: 821 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 PID: 0 Comm: swapper/1 Not tainted 6.5.0-syzkaller-08894-gb97d64c72259 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:advance_sched+0x2a/0xc60 net/sched/sch_taprio.c:927 Code: f3 0f 1e fa 41 57 41 56 49 89 fe 41 55 41 54 55 53 48 83 ec 78 e8 c6 c9 25 f9 49 8d 7e 88 49 8d 46 80 48 89 fa 48 89 44 24 40 <48> c1 ea 03 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 74 0b RSP: 0018:ffffc900001e0d90 EFLAGS: 00000046 RAX: ffff88807930a2c0 RBX: ffff8880b992bac0 RCX: 0000000000000000 RDX: ffff88807930a2c8 RSI: ffffffff886176ca RDI: ffff88807930a2c8 RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: dffffc0000000000 R12: ffff8880b992b940 R13: 0000000000000000 R14: ffff88807930a340 R15: ffffffff886176b0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000003332788 CR3: 000000002b8cf000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x203/0xc10 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline] __sysvec_apic_timer_interrupt+0x105/0x3f0 arch/x86/kernel/apic/apic.c:1080 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1074 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 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 80 ba 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 77 13 99 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f RSP: 0018:ffffc90000177d60 EFLAGS: 00000246 RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8a3ae56e RDX: 0000000000000001 RSI: ffff8881400b0000 RDI: ffff8881400b0064 RBP: ffff8881400b0064 R08: 0000000000000000 R09: ffffed1017326db5 R10: ffff8880b9936dab R11: 0000000000000000 R12: ffff8881432f2800 R13: ffffffff8d45af00 R14: 0000000000000001 R15: 0000000000000000 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 start_secondary+0x20e/0x2a0 arch/x86/kernel/smpboot.c:326 secondary_startup_64_no_verify+0x166/0x16b