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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 8239 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x263/0x440 drivers/usb/gadget/udc/core.c:124
Modules linked in:
CPU: 1 PID: 8239 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_ep_enable+0x263/0x440 drivers/usb/gadget/udc/core.c:124
Code: 49 8b 0e 48 c7 c0 60 c5 7a 8b 49 c7 c0 80 c5 7a 8b 4c 0f 44 c0 48 c7 c7 20 c5 7a 8b 48 c7 c6 be 8d a6 8c 89 ea e8 9d ba 97 fa <0f> 0b e9 e1 fe ff ff e8 e1 ec cd fa 49 bc 00 00 00 00 00 fc ff df
RSP: 0000:ffffc900001f0790 EFLAGS: 00010046
RAX: 3b85012c05666000 RBX: ffff8881482b40e0 RCX: ffff888017d1da00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000081 R08: ffff8880b8f28c53 R09: 1ffff110171e518a
R10: dffffc0000000000 R11: ffffed10171e518b R12: dffffc0000000000
R13: ffff8881482b410d R14: ffff8881482b40e8 R15: ffff88807e0cab3a
FS:  000055555dea9500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f431835e090 CR3: 0000000027169000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 hidg_set_alt+0x12a/0xa10 drivers/usb/gadget/function/f_hid.c:826
 set_config+0x735/0xff0 drivers/usb/gadget/composite.c:1018
 composite_setup+0x1df4/0x33a0 drivers/usb/gadget/composite.c:1925
 configfs_composite_setup+0xc7/0x100 drivers/usb/gadget/configfs.c:1875
 dummy_timer+0x1324/0x34e0 drivers/usb/gadget/udc/dummy_hcd.c:1949
 __run_hrtimer kernel/time/hrtimer.c:1754 [inline]
 __hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 kernel/kcov.c:314
Code: c0 4c 89 01 48 c7 44 11 08 03 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 15 00 43 7c 7e 65 8b 0d 01 43 7c
RSP: 0000:ffffc900034efa68 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900034efd88 RCX: ffff888017d1da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00007f4318357000 R09: 1ffffd40003c4bc0
R10: dffffc0000000000 R11: fffff940003c4bc1 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888076fba300
 set_pte_range+0x7b/0x6a0 mm/memory.c:4381
 filemap_map_order0_folio mm/filemap.c:3599 [inline]
 filemap_map_pages+0xefe/0x19c0 mm/filemap.c:3665
 do_fault_around mm/memory.c:4595 [inline]
 do_read_fault mm/memory.c:4628 [inline]
 do_fault mm/memory.c:4775 [inline]
 do_pte_missing mm/memory.c:3689 [inline]
 handle_pte_fault mm/memory.c:5047 [inline]
 __handle_mm_fault mm/memory.c:5188 [inline]
 handle_mm_fault+0x384b/0x4a50 mm/memory.c:5353
 do_user_addr_fault+0xad2/0x12d0 arch/x86/mm/fault.c:1322
 handle_page_fault arch/x86/mm/fault.c:1463 [inline]
 exc_page_fault+0x64/0x100 arch/x86/mm/fault.c:1516
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f431835e090
Code: Unable to access opcode bytes at 0x7f431835e066.
RSP: 002b:00007ffce1854b98 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 00007ffce1854bb0 RCX: 00007f43183c6b8c
RDX: 0000000000000000 RSI: 0000000000000018 RDI: 00007f4319158060
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: 000055555dea97d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 000000000004b34f R15: 00007ffce1854d90
 </TASK>
----------------
Code disassembly (best guess):
   0:	c0 4c 89 01 48       	rorb   $0x48,0x1(%rcx,%rcx,4)
   5:	c7 44 11 08 03 00 00 	movl   $0x3,0x8(%rcx,%rdx,1)
   c:	00
   d:	48 89 7c 11 10       	mov    %rdi,0x10(%rcx,%rdx,1)
  12:	48 89 74 11 18       	mov    %rsi,0x18(%rcx,%rdx,1)
  17:	48 89 44 11 20       	mov    %rax,0x20(%rcx,%rdx,1)
  1c:	c3                   	ret
  1d:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  24:	00 00 00
  27:	0f 1f 00             	nopl   (%rax)
* 2a:	f3 0f 1e fa          	endbr64 <-- trapping instruction
  2e:	48 8b 04 24          	mov    (%rsp),%rax
  32:	65 48 8b 15 00 43 7c 	mov    %gs:0x7e7c4300(%rip),%rdx        # 0x7e7c433a
  39:	7e
  3a:	65                   	gs
  3b:	8b                   	.byte 0x8b
  3c:	0d                   	.byte 0xd
  3d:	01 43 7c             	add    %eax,0x7c(%rbx)