rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2649 jiffies s: 17569 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: 24 Comm: ksoftirqd/1 Not tainted 6.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:usb_anchor_resume_wakeups+0x5/0xe0 drivers/usb/core/urb.c:939
Code: ff ff e8 ee 05 20 fb eb c0 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <53> 48 89 fb e8 62 d9 c2 fa 48 85 db 0f 84 8a 00 00 00 e8 54 d9 c2
RSP: 0018:ffffc90000a18640 EFLAGS: 00000006
RAX: 0000000000010102 RBX: ffff88802cc3f600 RCX: ffffffff86c6e1e8
RDX: ffff8880186b0000 RSI: ffffffff86c6e0ef RDI: ffff888064197298
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
R13: ffff888064197298 R14: 0000000000000000 R15: 0100000000000002
FS:  0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31e0fff8 CR3: 000000005150a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __usb_hcd_giveback_urb+0x3b7/0x6e0 drivers/usb/core/hcd.c:1653
 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
 dummy_timer+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __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+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:in_softirq_really kernel/kcov.c:170 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:182 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1e/0x70 kernel/kcov.c:216
Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 48 8b 15 84 61 79 7e 65 8b 05 85 61 79 7e a9 00 01 ff 00 48 8b 34 24 74 1d <f6> c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 1c
RSP: 0018:ffffc90000a18b78 EFLAGS: 00000206
RAX: 0000000000000102 RBX: ffff888054423fe0 RCX: ffffffff891fb00d
RDX: ffff8880186b0000 RSI: ffffffff891fb017 RDI: 0000000000000006
RBP: ffff88802a3c4b00 R08: 0000000000000006 R09: 000000000001c9c3
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000001c9c3
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 pie_calculate_probability+0x457/0x850 net/sched/sch_pie.c:412
 fq_pie_timer+0x215/0x5a0 net/sched/sch_fq_pie.c:398
 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1792
 expire_timers kernel/time/timer.c:1843 [inline]
 __run_timers+0x74b/0xaf0 kernel/time/timer.c:2417
 __run_timer_base kernel/time/timer.c:2428 [inline]
 __run_timer_base kernel/time/timer.c:2421 [inline]
 run_timer_base+0x111/0x190 kernel/time/timer.c:2437
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2447
 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x95/0xb0 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:finish_task_switch.isra.0+0x220/0xcc0 kernel/sched/core.c:5062
Code: a9 0a 00 00 44 8b 0d 97 1d b8 0e 45 85 c9 0f 85 c0 01 00 00 48 89 df e8 ae f8 ff ff e8 d9 b8 36 00 fb 65 48 8b 1d 80 ce a8 7e <48> 8d bb f8 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc900001e7c78 EFLAGS: 00000202
RAX: 000000000013df3d RBX: ffff8880186b0000 RCX: 1ffffffff2025699
RDX: 0000000000000000 RSI: ffffffff8b4cc4a0 RDI: ffffffff8bb09ac0
RBP: ffffc900001e7cc0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9012f91f R11: 0000000000000000 R12: ffff8880b933fb58
R13: ffff888021053c00 R14: 0000000000000000 R15: ffff8880b933edc0
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xe3f/0x5490 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6621
 smpboot_thread_fn+0x2d5/0xa10 kernel/smpboot.c:160
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>