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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 6156 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x263/0x440 drivers/usb/gadget/udc/core.c:124
Modules linked in:
CPU: 0 PID: 6156 Comm: dhcpcd-run-hook Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:usb_ep_enable+0x263/0x440 drivers/usb/gadget/udc/core.c:124
Code: 49 8b 0e 48 c7 c0 e0 47 9a 8b 49 c7 c0 00 48 9a 8b 4c 0f 44 c0 48 c7 c7 a0 47 9a 8b 48 c7 c6 db 26 c9 8c 89 ea e8 bd 85 99 fa <0f> 0b e9 e1 fe ff ff e8 01 e1 cf fa 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007790 EFLAGS: 00010046
RAX: 89c0435171b46f00 RBX: ffff888142b680e0 RCX: ffff888033720000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000081 R08: ffff8880b8c28c53 R09: 1ffff1101718518a
R10: dffffc0000000000 R11: ffffed101718518b R12: dffffc0000000000
R13: ffff888142b6810d R14: ffff888142b680e8 R15: ffff888026f4683a
FS:  00007ff939d15c80(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff939f797e8 CR3: 0000000027011000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 hidg_set_alt+0x12a/0xa10 drivers/usb/gadget/function/f_hid.c:827
 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+0x130c/0x35d0 drivers/usb/gadget/udc/dummy_hcd.c:1953
 __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:finish_task_switch+0x267/0x8f0 kernel/sched/core.c:5267
Code: 39 09 85 c0 0f 84 30 01 00 00 48 85 db 0f 85 4f 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 33 7d 43 09 e8 3e 3e 30 00 fb 4c 8b 65 b8 <49> 8d bc 24 00 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc900052871a0 EFLAGS: 00000286
RAX: 89c0435171b46f00 RBX: 0000000000000000 RCX: 89c0435171b46f00
RDX: dffffc0000000000 RSI: ffffffff8aead140 RDI: ffffffff8b3c5260
RBP: ffffc900052871f0 R08: ffffffff922235af R09: 1ffffffff24446b5
R10: dffffc0000000000 R11: fffffbfff24446b6 R12: ffff888033720000
R13: 1ffff110171879a1 R14: dffffc0000000000 R15: ffff8880b8c3cd08
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x1577/0x4720 kernel/sched/core.c:6722
 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6889
 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6913
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x3a/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 copy_pte_range mm/memory.c:1107 [inline]
 copy_pmd_range mm/memory.c:1168 [inline]
 copy_pud_range mm/memory.c:1205 [inline]
 copy_p4d_range mm/memory.c:1229 [inline]
 copy_page_range+0x2be5/0x3700 mm/memory.c:1323
 dup_mmap kernel/fork.c:769 [inline]
 dup_mm kernel/fork.c:1703 [inline]
 copy_mm+0x1751/0x1e30 kernel/fork.c:1752
 copy_process+0x16c9/0x3da0 kernel/fork.c:2513
 kernel_clone+0x24b/0x8a0 kernel/fork.c:2922
 __do_sys_clone kernel/fork.c:3065 [inline]
 __se_sys_clone kernel/fork.c:3049 [inline]
 __x64_sys_clone+0x1b7/0x230 kernel/fork.c:3049
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff939eaf636
Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffe45fd4840 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffe45fd4848 RCX: 00007ff939eaf636
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000556a16fe3e60 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ff939d15f50 R11: 0000000000000246 R12: 0000556a16fe5f70
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	39 09                	cmp    %ecx,(%rcx)
   2:	85 c0                	test   %eax,%eax
   4:	0f 84 30 01 00 00    	je     0x13a
   a:	48 85 db             	test   %rbx,%rbx
   d:	0f 85 4f 01 00 00    	jne    0x162
  13:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  18:	4c 89 e7             	mov    %r12,%rdi
  1b:	e8 33 7d 43 09       	call   0x9437d53
  20:	e8 3e 3e 30 00       	call   0x303e63
  25:	fb                   	sti
  26:	4c 8b 65 b8          	mov    -0x48(%rbp),%r12
* 2a:	49 8d bc 24 00 16 00 	lea    0x1600(%r12),%rdi <-- trapping instruction
  31:	00
  32:	48 89 f8             	mov    %rdi,%rax
  35:	48 c1 e8 03          	shr    $0x3,%rax
  39:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
  3e:	84 c0                	test   %al,%al