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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 309 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124
Modules linked in:
CPU: 0 UID: 0 PID: 309 Comm: sshd-session Not tainted syzkaller #0 f0d7327441b04c8c94f545cf67fb8a2d8e8662cf
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:124
Code: 4d 00 48 c7 c0 20 61 6d 86 49 c7 c0 40 61 6d 86 4c 0f 44 c0 48 c7 c7 e0 60 6d 86 48 c7 c6 6f 74 1d 87 44 89 f2 e8 a0 2a 4b fd <0f> 0b e9 4c ff ff ff e8 e4 59 ce fd 49 bc 00 00 00 00 00 fc ff df
RSP: 0000:ffffc9000118f7b8 EFLAGS: 00010046
RAX: c0fccfdc5945d000 RBX: ffff8881053340b0 RCX: ffff8881201bcc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc9000118f7e0 R08: ffff8881f6e294d3 R09: 1ffff1103edc529a
R10: dffffc0000000000 R11: ffffed103edc529b R12: dffffc0000000000
R13: ffff8881053340b8 R14: 0000000000000081 R15: ffff888106bd9aba
FS:  00007f466580c300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f151acd150 CR3: 00000001223b2000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 hidg_set_alt+0x138/0xa70 drivers/usb/gadget/function/f_hid.c:1057
 set_config+0x80f/0xd10 drivers/usb/gadget/composite.c:1021
 composite_setup+0x18b0/0x3320 drivers/usb/gadget/composite.c:1929
 configfs_composite_setup+0xc6/0x110 drivers/usb/gadget/configfs.c:1883
 dummy_timer+0x2eee/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:1935
 __run_hrtimer kernel/time/hrtimer.c:1758 [inline]
 __hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1822
 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839
 handle_softirqs+0x1aa/0x620 kernel/softirq.c:621
 __do_softirq kernel/softirq.c:659 [inline]
 invoke_softirq kernel/softirq.c:476 [inline]
 __irq_exit_rcu+0x47/0xb0 kernel/softirq.c:708
 irq_exit_rcu+0xd/0x30 kernel/softirq.c:720
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x44/0x90 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7f46650a7408
Code: 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 5b <c3> 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff 0f
RSP: 002b:00007fffc97060c8 EFLAGS: 00000202
RAX: 0000000000000074 RBX: 0000000000000074 RCX: 00007f46650a7407
RDX: 0000000000000074 RSI: 000055a448b6e740 RDI: 0000000000000004
RBP: 000055a448b54c60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
R13: 00007fffc9706210 R14: 0000000000000000 R15: 0000000000000004
 </TASK>
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!