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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 110 at drivers/usb/gadget/udc/core.c:134 usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:133
Modules linked in:
CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0cb2410fb94091bea71dcb32925679d580a9884e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:usb_ep_enable+0x210/0x3c0 drivers/usb/gadget/udc/core.c:133
Code: 4d 00 48 c7 c0 a0 a2 6d 86 49 c7 c0 c0 a2 6d 86 4c 0f 44 c0 48 c7 c7 60 a2 6d 86 48 c7 c6 e2 3c 1f 87 44 89 f2 e8 b0 b2 48 fd <0f> 0b e9 4c ff ff ff e8 f4 b5 cd fd 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000230878 EFLAGS: 00010046
RAX: 639d4ae8cff57400 RBX: ffff888108ee80b0 RCX: ffff88810f300000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc900002308a0 R08: ffff8881f6d29593 R09: 1ffff1103eda52b2
R10: dffffc0000000000 R11: ffffed103eda52b3 R12: dffffc0000000000
R13: ffff888108ee80b8 R14: 0000000000000081 R15: ffff8881190913ba
FS:  00007fddf5a4e880(0000) GS:ffff8881f6d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff226027dac CR3: 000000010eb50000 CR4: 00000000003526b0
Call Trace:
 <IRQ>
 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+0x3ab/0x8e0 kernel/time/hrtimer.c:1822
 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839
 handle_softirqs+0x1aa/0x5b0 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:finish_task_switch+0x141/0x770 kernel/sched/core.c:5940
Code: 80 3c 2b 00 74 08 4c 89 f7 e8 9b 1f 86 00 4d 8b 2e 4d 85 ed 0f 85 d3 00 00 00 4c 89 e7 e8 57 da 4d 04 fb 49 8d 9f 88 0c 00 00 <48> 89 d8 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28
RSP: 0018:ffffc90000e5fb70 EFLAGS: 00000282
RAX: 0000000000000001 RBX: ffff88810f300c88 RCX: dffffc0000000000
RDX: 0000000040000000 RSI: 0000000000000000 RDI: ffff8881f6d4fd40
RBP: ffffc90000e5fbb0 R08: ffff88810f300007 R09: 1ffff11021e60000
R10: dffffc0000000000 R11: ffffed1021e60001 R12: ffff8881f6d4fd40
R13: 0000000000000000 R14: ffff8881f6d50b10 R15: ffff88810f300000
 context_switch kernel/sched/core.c:6071 [inline]
 __schedule+0x1706/0x23d0 kernel/sched/core.c:7888
 preempt_schedule_irq+0xab/0x110 kernel/sched/core.c:8210
 raw_irqentry_exit_cond_resched+0x32/0x40 kernel/entry/common.c:311
 irqentry_exit+0x4a/0x60 kernel/entry/common.c:354
 sysvec_apic_timer_interrupt+0x50/0x90 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:x64_sys_call+0xdb6/0x2ee0 arch/x86/entry/syscall_64.c:36
Code: 83 fe 2d 0f 8e 1a 0b 00 00 83 fe 2f 0f 8f 48 12 00 00 83 fe 2e 0f 84 a0 1c 00 00 83 fe 2f 0f 85 11 21 00 00 e8 8b ce 71 03 5d <c3> cc cc cc cc cc 81 fe a1 00 00 00 0f 8e 0e 0b 00 00 81 fe a3 00
RSP: 0018:ffffc90000e5ff28 EFLAGS: 00000246
RAX: 00000000000000ed RBX: ffffc90000e5ff30 RCX: ffff88810f300000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000e5ff48 R08: ffffc90000e5faeb R09: 1ffff920001cbf5d
R10: dffffc0000000000 R11: fffff520001cbf5e R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90000e5ff58 R15: 0000000000000000
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fddf52a7407
Code: 48 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
RSP: 002b:00007ffd4e5d7e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007fddf5a4e880 RCX: 00007fddf52a7407
RDX: 0000000000000000 RSI: 00007ffd4e5d7eb0 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00005593ca8d5d80
R13: 00007ffd4e5d7f70 R14: 00007ffd4e5d7ebc R15: 0000000000000000
 </TASK>
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!
----------------
Code disassembly (best guess):
   0:	80 3c 2b 00          	cmpb   $0x0,(%rbx,%rbp,1)
   4:	74 08                	je     0xe
   6:	4c 89 f7             	mov    %r14,%rdi
   9:	e8 9b 1f 86 00       	call   0x861fa9
   e:	4d 8b 2e             	mov    (%r14),%r13
  11:	4d 85 ed             	test   %r13,%r13
  14:	0f 85 d3 00 00 00    	jne    0xed
  1a:	4c 89 e7             	mov    %r12,%rdi
  1d:	e8 57 da 4d 04       	call   0x44dda79
  22:	fb                   	sti
  23:	49 8d 9f 88 0c 00 00 	lea    0xc88(%r15),%rbx
* 2a:	48 89 d8             	mov    %rbx,%rax <-- trapping instruction
  2d:	48 c1 e8 03          	shr    $0x3,%rax
  31:	49 bd 00 00 00 00 00 	movabs $0xdffffc0000000000,%r13
  38:	fc ff df
  3b:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax