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usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: drivers/usb/gadget/udc/core.c:125 at usb_ep_enable+0x148/0x480 drivers/usb/gadget/udc/core.c:124, CPU#0: syz.0.0/5343
Modules linked in:
CPU: 0 UID: 0 PID: 5343 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:usb_ep_enable+0x1bc/0x480 drivers/usb/gadget/udc/core.c:124
Code: 8a 07 67 fa 49 83 3f 00 48 c7 c0 00 d5 f4 8c 49 c7 c0 20 d5 f4 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 69 a7 94 8e 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 70 b7 ed f9 65 8b
RSP: 0018:ffffc90000007910 EFLAGS: 00010086
RAX: ffffffff8cf4d500 RBX: ffff8880358dc0e0 RCX: ffffffff8cf4f3e0
RDX: 0000000000000081 RSI: ffffffff8e94a769 RDI: ffffffff91cc4100
RBP: dffffc0000000000 R08: ffffffff8cf4d520 R09: 0000000000000002
R10: 0000000000000003 R11: 8000000000000100 R12: ffffffff8cf4f3e0
R13: 0000000000000081 R14: ffffffff91cc4100 R15: ffff8880358dc0f8
FS:  000055556c3fb540(0000) GS:ffff88808a9f9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd27881ef8 CR3: 0000000013fd7000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 hidg_set_alt+0x12a/0xa60 drivers/usb/gadget/function/f_hid.c:1042
 set_config+0x749/0x1160 drivers/usb/gadget/composite.c:1018
 composite_setup+0x1de7/0x3480 drivers/usb/gadget/composite.c:1901
 configfs_composite_setup+0xc7/0x100 drivers/usb/gadget/configfs.c:1877
 dummy_timer+0x2f30/0x4ce0 drivers/usb/gadget/udc/dummy_hcd.c:1983
 __run_hrtimer kernel/time/hrtimer.c:2079 [inline]
 __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2136
 hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2153
 handle_softirqs+0x265/0x8d0 kernel/softirq.c:669
 __do_softirq kernel/softirq.c:703 [inline]
 invoke_softirq kernel/softirq.c:542 [inline]
 __irq_exit_rcu+0xc6/0x220 kernel/softirq.c:786
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:809
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x80 kernel/kcov.c:216
Code: 89 fb e8 23 00 00 00 48 8b 3d 34 2e cf 0c 48 89 de 5b e9 23 80 6d 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0d c8 3d 19 13 65 48 8b 15 c8 3d
RSP: 0018:ffffc9000f97fb98 EFLAGS: 00000286
RAX: 0000000000400040 RBX: ffffc9000f97fd90 RCX: ffffffff9bebba01
RDX: 0000000000000001 RSI: ffffffff8c8ec360 RDI: ffffc9000f97fd40
RBP: ffffc9000f97fcf0 R08: ffffffff91be3cbf R09: 1ffffffff237c797
R10: dffffc0000000000 R11: fffffbfff237c798 R12: dffffc0000000000
R13: ffffc9000f97fd40 R14: ffff888037ada580 R15: ffffc9000f97fd40
 hrtimer_try_to_cancel+0x24/0x680 kernel/time/hrtimer.c:1647
 hrtimer_cancel kernel/time/hrtimer.c:1785 [inline]
 do_nanosleep+0x236/0x710 kernel/time/hrtimer.c:2443
 hrtimer_nanosleep+0x18f/0x3a0 kernel/time/hrtimer.c:2487
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1419 [inline]
 __se_sys_clock_nanosleep+0x35b/0x3b0 kernel/time/posix-timers.c:1396
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x16a/0x530 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f672356034e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffd27881ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000055556c3fb540 RCX: 00007f672356034e
RDX: 00007ffd27881f50 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f6723827da0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000014f58
R13: 00007f672382609c R14: 0000000000014d4f R15: 00007ffd27882080
 </TASK>
----------------
Code disassembly (best guess):
   0:	8a 07                	mov    (%rdi),%al
   2:	67 fa                	addr32 cli
   4:	49 83 3f 00          	cmpq   $0x0,(%r15)
   8:	48 c7 c0 00 d5 f4 8c 	mov    $0xffffffff8cf4d500,%rax
   f:	49 c7 c0 20 d5 f4 8c 	mov    $0xffffffff8cf4d520,%r8
  16:	4c 0f 44 c0          	cmove  %rax,%r8
  1a:	4c 89 f7             	mov    %r14,%rdi
  1d:	48 c7 c6 69 a7 94 8e 	mov    $0xffffffff8e94a769,%rsi
  24:	44 89 ea             	mov    %r13d,%edx
  27:	4c 89 e1             	mov    %r12,%rcx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	bd ea ff ff ff       	mov    $0xffffffea,%ebp
  34:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  39:	e8 70 b7 ed f9       	call   0xf9edb7ae
  3e:	65                   	gs
  3f:	8b                   	.byte 0x8b