------------[ cut here ]------------
usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 317 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: 317 Comm: udevd Not tainted syzkaller #0 4d4a838cf2fc485b043991145ccf8426a0241c16
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 60 50 6d 86 49 c7 c0 80 50 6d 86 4c 0f 44 c0 48 c7 c7 20 50 6d 86 48 c7 c6 14 05 1d 87 44 89 f2 e8 a0 c7 4b fd <0f> 0b e9 4c ff ff ff e8 64 ef ce fd 49 bc 00 00 00 00 00 fc ff df
RSP: 0000:ffffc90000007878 EFLAGS: 00010046
RAX: 2787079942f54800 RBX: ffff8881027280b0 RCX: ffff888104388000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc900000078a0 R08: ffff8881f6e294d3 R09: 1ffff1103edc529a
R10: dffffc0000000000 R11: ffffed103edc529b R12: dffffc0000000000
R13: ffff8881027280b8 R14: 0000000000000081 R15: ffff888107f6123a
FS:  00007f2481f7d880(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564aa564c038 CR3: 0000000105e70000 CR4: 00000000003526b0
Call Trace:
 <IRQ>
 hidg_set_alt+0x138/0xa70 drivers/usb/gadget/function/f_hid.c:1057
 set_config+0x812/0xd10 drivers/usb/gadget/composite.c:1021
 composite_setup+0x1885/0x32f0 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:1757 [inline]
 __hrtimer_run_queues+0x3ae/0x8e0 kernel/time/hrtimer.c:1821
 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1838
 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+0x82/0x90 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:245 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0xc/0x90 kernel/kcov.c:314
Code: 89 44 11 20 5d c3 cc cc cc cc cc 0f 1f 00 b8 7a 09 66 75 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 48 8b 45 08 <65> 48 8b 15 ac 75 7d 7e 65 8b 0d ad 75 7d 7e 81 e1 00 01 ff 00 74
RSP: 0000:ffffc9000128fe40 EFLAGS: 00000246
RAX: ffffffff81454115 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888104388000 RSI: 0000000000000001 RDI: 0000000040000002
RBP: ffffc9000128fe40 R08: ffff888127af2d03 R09: 1ffff11024f5e5a0
R10: dffffc0000000000 R11: ffffed1024f5e5a1 R12: 0000000000000001
R13: 0000000000000255 R14: 0000000000000006 R15: ffff888127af2d00
 do_user_addr_fault+0xaf5/0x1230 arch/x86/mm/fault.c:-1
 handle_page_fault arch/x86/mm/fault.c:1479 [inline]
 exc_page_fault+0x58/0xc0 arch/x86/mm/fault.c:1534
 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f248197705d
Code: 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 83 fa 20 72 37 c5 fe 6f 06 48 83 fa 40 0f 87 b9 00 00 00 c5 fe 6f 4c 16 e0 <c5> fe 7f 07 c5 fe 7f 4c 17 e0 0f 01 d6 75 04 c5 f8 77 c3 c5 fc 77
RSP: 002b:00007ffce6d59f28 EFLAGS: 00010283
RAX: 0000564aa564c038 RBX: 0000564aa564bfe8 RCX: 00007f24817e0fcb
RDX: 0000000000000038 RSI: 0000564aa564bfb0 RDI: 0000564aa564c038
RBP: 0000000000000000 R08: 0000564aa53bb340 R09: 0000564aa564bf60
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000564aa53bb31b R14: 0000564aa53bb340 R15: 0000000000000088
 </TASK>
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!
----------------
Code disassembly (best guess):
   0:	89 44 11 20          	mov    %eax,0x20(%rcx,%rdx,1)
   4:	5d                   	pop    %rbp
   5:	c3                   	ret
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	cc                   	int3
   a:	cc                   	int3
   b:	0f 1f 00             	nopl   (%rax)
   e:	b8 7a 09 66 75       	mov    $0x7566097a,%eax
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	f3 0f 1e fa          	endbr64
  22:	55                   	push   %rbp
  23:	48 89 e5             	mov    %rsp,%rbp
  26:	48 8b 45 08          	mov    0x8(%rbp),%rax
* 2a:	65 48 8b 15 ac 75 7d 	mov    %gs:0x7e7d75ac(%rip),%rdx        # 0x7e7d75de <-- trapping instruction
  31:	7e
  32:	65 8b 0d ad 75 7d 7e 	mov    %gs:0x7e7d75ad(%rip),%ecx        # 0x7e7d75e6
  39:	81 e1 00 01 ff 00    	and    $0xff0100,%ecx
  3f:	74                   	.byte 0x74