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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 0 PID: 2919 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: 2919 Comm: syz.5.649 Not tainted syzkaller #0 60889c1c5e6bdc1f3cb1b6a230ba908545dccc71
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:124
Code: 4d 00 48 c7 c0 a0 61 6d 86 49 c7 c0 c0 61 6d 86 4c 0f 44 c0 48 c7 c7 60 61 6d 86 48 c7 c6 63 75 1d 87 44 89 f2 e8 50 2b 4b fd <0f> 0b e9 4c ff ff ff e8 c4 59 ce fd 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007878 EFLAGS: 00010046
RAX: 39ce8986012ea200 RBX: ffff888104ec40b0 RCX: ffff88810777cc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc900000078a0 R08: ffff8881f6e294d3 R09: 1ffff1103edc529a
R10: dffffc0000000000 R11: ffffed103edc529b R12: dffffc0000000000
R13: ffff888104ec40b8 R14: 0000000000000081 R15: ffff88812765013a
FS:  00007f29423e36c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000067a000 CR3: 000000011fcaa000 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+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+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:text_poke_bp_batch+0x111/0x6e0 arch/x86/kernel/alternative.c:2490
Code: ea 4c 89 2c 24 4c 89 f0 48 c1 e8 03 0f b6 04 18 84 c0 75 64 4a 63 04 22 48 8d b0 00 00 00 81 48 89 f0 48 c1 e8 03 0f b6 04 18 <84> c0 75 65 44 0f b6 2e 49 8d 7e 0f 48 89 f8 48 c1 e8 03 0f b6 04
RSP: 0018:ffffc9000d78f740 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffffff88bab960 RSI: ffffffff812e3f11 RDI: 00000000000030ff
RBP: ffffc9000d78f850 R08: 0000000000000001 R09: 000000000d78f700
R10: dffffc0000000000 R11: ffffed102000d67f R12: 0000000000000570
R13: 000000000000000f R14: ffffffff88babed0 R15: 00000000000007e0
 text_poke_flush arch/x86/kernel/alternative.c:2685 [inline]
 text_poke_finish+0x34/0x60 arch/x86/kernel/alternative.c:2692
 arch_jump_label_transform_apply+0x1e/0x40 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x38f/0x3b0 kernel/jump_label.c:521
 jump_label_update+0x395/0x440 kernel/jump_label.c:920
 static_key_slow_inc_cpuslocked+0x85/0x100 kernel/jump_label.c:168
 static_key_slow_inc+0x1e/0x30 kernel/jump_label.c:191
 kvm_create_lapic+0x137/0x550 arch/x86/kvm/lapic.c:2905
 kvm_arch_vcpu_create+0x1b9/0xb90 arch/x86/kvm/x86.c:12384
 kvm_vm_ioctl_create_vcpu+0x3a7/0xab0 virt/kvm/kvm_main.c:4300
 kvm_vm_ioctl+0x7bd/0xc40 virt/kvm/kvm_main.c:5205
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0x126/0x1b0 fs/ioctl.c:892
 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:892
 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f294399e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f29423e3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2943c25fa0 RCX: 00007f294399e159
RDX: 0000000000000002 RSI: 000000000000ae41 RDI: 000000000000000a
RBP: 00007f2943a3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2943c26038 R14: 00007f2943c25fa0 R15: 00007ffec53e65e8
 </TASK>
---[ end trace 0000000000000000 ]---
configfs-gadget.g1 gadget.0: Enable IN endpoint FAILED!
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	4c 89 2c 24          	mov    %r13,(%rsp)
   4:	4c 89 f0             	mov    %r14,%rax
   7:	48 c1 e8 03          	shr    $0x3,%rax
   b:	0f b6 04 18          	movzbl (%rax,%rbx,1),%eax
   f:	84 c0                	test   %al,%al
  11:	75 64                	jne    0x77
  13:	4a 63 04 22          	movslq (%rdx,%r12,1),%rax
  17:	48 8d b0 00 00 00 81 	lea    -0x7f000000(%rax),%rsi
  1e:	48 89 f0             	mov    %rsi,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	0f b6 04 18          	movzbl (%rax,%rbx,1),%eax
* 29:	84 c0                	test   %al,%al <-- trapping instruction
  2b:	75 65                	jne    0x92
  2d:	44 0f b6 2e          	movzbl (%rsi),%r13d
  31:	49 8d 7e 0f          	lea    0xf(%r14),%rdi
  35:	48 89 f8             	mov    %rdi,%rax
  38:	48 c1 e8 03          	shr    $0x3,%rax
  3c:	0f                   	.byte 0xf
  3d:	b6 04                	mov    $0x4,%dh