rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2681 jiffies s: 12165 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 UID: 0 PID: 16773 Comm: syz.1.5251 Not tainted 6.11.0-rc5-syzkaller-00081-gd5d547aa7b51 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:60 [inline]
RIP: 0010:unwind_next_frame+0x11bd/0x23a0 arch/x86/kernel/unwind_orc.c:665
Code: 48 c1 ea 03 80 3c 02 00 0f 85 2b 10 00 00 4c 8b 6b 10 4c 39 ed 73 36 e8 41 cf 4e 00 4c 8d 75 08 4d 39 f4 73 28 e8 33 cf 4e 00 <4d> 39 f5 72 1e e8 29 cf 4e 00 4c 8b 7c 24 18 48 89 ee 4c 89 ff e8
RSP: 0018:ffffc90000006fd8 EFLAGS: 00000006
RAX: 0000000000010103 RBX: ffffc90000007058 RCX: ffffffff813cf026
RDX: ffff888022f38000 RSI: ffffffff813cf0bd RDI: ffffc90000007068
RBP: ffffc90000007ad8 R08: 0000000000000004 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000000 R12: ffffc90000000000
R13: ffffc90000008000 R14: ffffc90000007ae0 R15: 0000000000000001
FS:  0000555591ea2500(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c32ce86 CR3: 000000002d858000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:387
 kmalloc_noprof include/linux/slab.h:681 [inline]
 dummy_urb_enqueue+0x8d/0x8a0 drivers/usb/gadget/udc/dummy_hcd.c:1271
 usb_hcd_submit_urb+0x2d1/0x2090 drivers/usb/core/hcd.c:1533
 usb_submit_urb+0x87c/0x1730 drivers/usb/core/urb.c:581
 ath9k_hif_usb_reg_in_cb+0x494/0x690 drivers/net/wireless/ath/ath9k/hif_usb.c:792
 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
 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:div_u64_rem include/linux/math64.h:29 [inline]
RIP: 0010:div_u64 include/linux/math64.h:130 [inline]
RIP: 0010:pie_calculate_probability+0x284/0x850 net/sched/sch_pie.c:347
Code: 89 c5 48 89 6c 24 38 e8 4a 8e 67 f8 47 8d 24 a4 31 d2 4c 89 ff 43 8d 0c 24 49 c1 ee 02 48 b8 ff ff ff ff ff ff ff 00 48 f7 f1 <48> 89 c5 48 89 c6 48 c1 eb 02 49 89 cc e8 ca 8f 67 f8 49 39 ef 73
RSP: 0018:ffffc90000007b80 EFLAGS: 00000207
RAX: 00000001ad7f29ab RBX: 0000000000abcc77 RCX: 0000000000989680
RDX: 000000000078f87f RSI: ffffffff892431a6 RDI: 0000000000000000
RBP: 00000010c6f7a0b5 R08: 0000000000000005 R09: 00000000000f4240
R10: 00000000000f4240 R11: 0000000000000000 R12: 00000000004c4b40
R13: 0000000000000001 R14: 0000000000044b82 R15: 0000000000000000
 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 e6 20 51 f6 48 89 df e8 fe 9d 51 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 25 11 43 f6 65 8b 05 06 4c eb 74 85 c0 74 16 5b
RSP: 0018:ffffc90002ddfbf0 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff888023e3c000 RCX: 1ffffffff28d74a9
RDX: 0000000000000000 RSI: ffffffff8b4cd740 RDI: ffffffff8bb0ee40
RBP: 0000000000000293 R08: 0000000000000001 R09: fffffbfff28ca900
R10: ffffffff94654807 R11: 0000000000000000 R12: ffff888023e3c000
R13: ffff888023ead408 R14: 0000000000000000 R15: 0000000090154000
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 dummy_pullup+0x206/0x270 drivers/usb/gadget/udc/dummy_hcd.c:924
 usb_gadget_disconnect_locked+0x13f/0x4e0 drivers/usb/gadget/udc/core.c:777
 gadget_unbind_driver+0xd7/0x4e0 drivers/usb/gadget/udc/core.c:1666
 device_remove+0xc8/0x170 drivers/base/dd.c:566
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1295
 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1358
 bus_remove_driver+0x13b/0x2c0 drivers/base/bus.c:742
 driver_unregister+0x76/0xb0 drivers/base/driver.c:274
 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1731
 raw_release+0x1b4/0x2c0 drivers/usb/gadget/legacy/raw_gadget.c:462
 __fput+0x408/0xbb0 fs/file_table.c:422
 task_work_run+0x14e/0x250 kernel/task_work.c:228
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffbdfd79ef9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff6fc4d858 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffbdff17a80 RCX: 00007ffbdfd79ef9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007ffbdff17a80 R08: 00007ffbdff02000 R09: 00007fff6fc4db4f
R10: 00000000003ffb38 R11: 0000000000000246 R12: 00000000000da6ca
R13: 00007fff6fc4d960 R14: 0000000000000032 R15: ffffffffffffffff
 </TASK>