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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 0 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x2a8/0x528 drivers/usb/gadget/udc/core.c:124
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 624000c5 (nZCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : usb_ep_enable+0x2a8/0x528 drivers/usb/gadget/udc/core.c:124
lr : usb_ep_enable+0x2a8/0x528 drivers/usb/gadget/udc/core.c:124
sp : ffff8000080178a0
x29: ffff8000080178a0 x28: 1fffe0001edd56d2 x27: 1fffe0001edd56e8
x26: dfff800000000000 x25: ffff0000f6eab690 x24: 1fffe0001a3be021
x23: ffff0000d1df00e8 x22: dfff800000000000 x21: 0000000000000081
x20: ffff0000f5bf393a x19: ffff0000d1df00e0 x18: 1fffe00033e7697e
x17: 0000000000000000 x16: ffff800011b90080 x15: 0000000000000000
x14: 0000000000000001 x13: 1fffe00033e769a3 x12: 0000000000000000
x11: ff00800008195f70 x10: 0000000000000000 x9 : 6d87719b9f9aca00
x8 : 6d87719b9f9aca00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800008017338 x4 : ffff800015464e80 x3 : ffff800008540904
x2 : 0000000000000001 x1 : 0000000000000103 x0 : 0000000000000000
Call trace:
 usb_ep_enable+0x2a8/0x528 drivers/usb/gadget/udc/core.c:124
 hidg_set_alt+0x128/0x820 drivers/usb/gadget/function/f_hid.c:822
 set_config+0x668/0xdf8 drivers/usb/gadget/composite.c:986
 composite_setup+0x1590/0x27f4 drivers/usb/gadget/composite.c:1893
 configfs_composite_setup+0xc0/0x104 drivers/usb/gadget/configfs.c:1484
 dummy_timer+0xd8c/0x2840 drivers/usb/gadget/udc/dummy_hcd.c:1936
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x444/0xc58 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x164/0x408 kernel/time/hrtimer.c:1832
 handle_softirqs+0x318/0xc90 kernel/softirq.c:596
 __do_softirq+0x14/0x20 kernel/softirq.c:630
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:897
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:477 [inline]
 __irq_exit_rcu+0x23c/0x430 kernel/softirq.c:679
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:691
 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline]
 el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:486
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline]
 finish_lock_switch+0xb8/0x1c8 kernel/sched/core.c:5005
 finish_task_switch+0x120/0x658 kernel/sched/core.c:5123
 context_switch kernel/sched/core.c:5249 [inline]
 __schedule+0xdb8/0x1a6c kernel/sched/core.c:6563
 schedule_idle+0x60/0xa4 kernel/sched/core.c:6667
 do_idle+0x598/0x600 kernel/sched/idle.c:352
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:422
 secondary_start_kernel+0x190/0x1b4 arch/arm64/kernel/smp.c:265
 __secondary_switched+0xb0/0xb4 arch/arm64/kernel/head.S:618
irq event stamp: 5788315
hardirqs last  enabled at (5788314): [<ffff800011c77b24>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (5788314): [<ffff800011c77b24>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (5788315): [<ffff800011c77948>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (5788315): [<ffff800011c77948>] _raw_spin_lock_irqsave+0xa4/0xb0 kernel/locking/spinlock.c:162
softirqs last  enabled at (5788302): [<ffff8000081ae3bc>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (5788302): [<ffff8000081ae3bc>] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624
softirqs last disabled at (5788311): [<ffff800008020e6c>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!