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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 3940 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x2a8/0x528 drivers/usb/gadget/udc/core.c:124
Modules linked in:
CPU: 0 PID: 3940 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
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 : ffff800008007880
x29: ffff800008007880 x28: 1fffe0001eac04c6 x27: 1fffe0001eac04dc
x26: dfff800000000000 x25: ffff0000f5602630
 x24: 1fffe0001a280821
x23: ffff0000d14040e8 x22: dfff800000000000 x21: 0000000000000081
x20: ffff0000f14e973a x19: ffff0000d14040e0 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011ba16d0 x15: 0000000000000000
x14: 0000000000000001 x13: 1ffff00002cb5a30 x12: 0000000000000000
x11: ff0080000819676c x10: 0000000000000000 x9 : 7744267c3d979e00
x8 : 7744267c3d979e00 x7 : ffff80000831ae74 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000082f5a30
x2 : 0000000000000001 x1 : 0000000000000102 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:823
 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+0xdb0/0x2aa8 drivers/usb/gadget/udc/dummy_hcd.c:1954
 __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+0x10/0x1c arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:901
 do_softirq_own_stack+0x1c/0x28 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
 el0_interrupt+0x80/0x1bc arch/arm64/kernel/entry-common.c:717
 __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:724
 el0t_64_irq_handler+0x10/0x1c arch/arm64/kernel/entry-common.c:729
 el0t_64_irq+0x18c/0x190 arch/arm64/kernel/entry.S:590
irq event stamp: 1281537
hardirqs last  enabled at (1281536): [<ffff800011c88aec>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (1281536): [<ffff800011c88aec>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (1281537): [<ffff800011c88910>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (1281537): [<ffff800011c88910>] _raw_spin_lock_irqsave+0xa4/0xb0 kernel/locking/spinlock.c:162
softirqs last  enabled at (1281528): [<ffff800008031244>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1281533): [<ffff800008020e6c>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!