rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2680 jiffies s: 52961 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: 0 Comm: swapper/0 Not tainted 6.5.0-rc3-syzkaller-00024-g18b44bc5a672 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:find_entry_to_transmit+0x6b7/0x9f0 net/sched/sch_taprio.c:385
Code: 24 77 31 ff 44 89 ee e8 f7 cf 2c f9 45 84 ed 0f 85 9d fe ff ff e8 b9 d4 2c f9 48 89 d8 4c 29 e0 48 99 48 f7 bc 24 88 00 00 00 <4c> 63 e8 48 8b 54 24 38 48 8b 84 24 80 00 00 00 48 c1 ea 03 4c 0f
RSP: 0018:ffffc90000007780 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1a3a631ee2ce6ac1 RCX: 0000000000000100
RDX: 0000000000000080 RSI: ffffffff88599bf7 RDI: 0000000000000001
RBP: ffff88807ab00800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000002 R12: 1a3a631ee2ce6a41
R13: 0000000000000000 R14: dffffc0000000000 R15: 1a3a631ee2ce6a80
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe927976bf8 CR3: 000000000c776000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 get_packet_txtime net/sched/sch_taprio.c:508 [inline]
 taprio_enqueue_one+0x881/0x1640 net/sched/sch_taprio.c:577
 taprio_enqueue+0x239/0x7e0 net/sched/sch_taprio.c:658
 dev_qdisc_enqueue+0x3f/0x230 net/core/dev.c:3732
 __dev_xmit_skb net/core/dev.c:3821 [inline]
 __dev_queue_xmit+0x2202/0x3f20 net/core/dev.c:4169
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 mrp_queue_xmit net/802/mrp.c:364 [inline]
 mrp_join_timer+0x94/0x120 net/802/mrp.c:608
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x764/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 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 b9 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 37 10 a1 00 fb f4 <fa> c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f
RSP: 0018:ffffffff8c607d70 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8a3209ae
RDX: 0000000000000001 RSI: ffff888145653800 RDI: ffff888145653864
RBP: ffff888145653864 R08: 0000000000000001 R09: ffffed1017306d9d
R10: ffff8880b9836ceb R11: 0000000000000000 R12: ffff888142ec4800
R13: ffffffff8d44f520 R14: 0000000000000000 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
 rest_init+0x16f/0x2b0 init/main.c:726
 arch_call_rest_init+0x13/0x30 init/main.c:823
 start_kernel+0x39f/0x480 init/main.c:1068
 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:556
 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:537
 secondary_startup_64_no_verify+0x167/0x16b
 </TASK>