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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, CPU#1: udevd/5600
Modules linked in:
CPU: 1 UID: 0 PID: 5600 Comm: udevd Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:usb_ep_enable+0x1bc/0x480
Code: 9a 4b 80 fa 49 83 3f 00 48 c7 c0 00 ee b0 8c 49 c7 c0 20 ee b0 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 7d a3 4b 8e 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 80 2b 12 fa 65 8b
RSP: 0018:ffffc90000a08910 EFLAGS: 00010082
RAX: ffffffff8cb0ee00 RBX: ffff888104f480e0 RCX: ffffffff8cb10c20
RDX: 0000000000000081 RSI: ffffffff8e4ba37d RDI: ffffffff90654870
RBP: dffffc0000000000 R08: ffffffff8cb0ee20 R09: 0000000000000002
R10: 0000000000000003 R11: 0000000000000100 R12: ffffffff8cb10c20
R13: 0000000000000081 R14: ffffffff90654870 R15: ffff888104f480f8
FS:  00007f2ab288fc80(0000) GS:ffff8882a8f5d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faccb627dac CR3: 000000016f404000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 hidg_set_alt+0x12a/0xa60
 set_config+0x749/0x1160
 composite_setup+0x1de7/0x3480
 configfs_composite_setup+0xc7/0x100
 dummy_timer+0x2f43/0x4cf0
 __hrtimer_run_queues+0x3bc/0xa10
 hrtimer_run_softirq+0x17a/0x240
 handle_softirqs+0x225/0x840
 __irq_exit_rcu+0xca/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:getname_flags+0x0/0x20
Code: 00 48 c7 c7 20 54 cd 8e 48 89 da e8 ca 05 c6 02 eb d2 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 41 56 53 89 f3 49 89 fe e8 1f a3 7b ff 4c 89 f7 89 de
RSP: 0018:ffffc9000480fdb8 EFLAGS: 00000246
RAX: ffffffff82476b48 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888111add940 RSI: 0000000000000001 RDI: 00007ffc4adac0b8
RBP: ffffc9000480fe90 R08: 0000000000000003 R09: 0000000000000000
R10: ffffc9000480fe00 R11: fffff52000901fc2 R12: 1ffff92000901fbc
R13: ffffc9000480fea0 R14: 00007ffc4adac0b8 R15: dffffc0000000000
 do_sys_openat2+0xcc/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ab295a9a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc4adabf80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2ab295a9a4
RDX: 0000000000080000 RSI: 00007ffc4adac0b8 RDI: 00000000ffffff9c
RBP: 00007ffc4adac0b8 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 000055875a734b42 R14: 0000000000000001 R15: 000055875a750160
 </TASK>
