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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/5045
Modules linked in:
CPU: 1 UID: 0 PID: 5045 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 43 80 fa 49 83 3f 00 48 c7 c0 40 f3 b0 8c 49 c7 c0 60 f3 b0 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 75 b0 4b 8e 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 e0 4a 12 fa 65 8b
RSP: 0018:ffffc90000a08910 EFLAGS: 00010086
RAX: ffffffff8cb0f340 RBX: ffff8881042f40e0 RCX: ffffffff8cb11160
RDX: 0000000000000081 RSI: ffffffff8e4bb075 RDI: ffffffff90654ec0
RBP: dffffc0000000000 R08: ffffffff8cb0f360 R09: 0000000000000002
R10: 0000000000000003 R11: 0000000000000100 R12: ffffffff8cb11160
R13: 0000000000000081 R14: ffffffff90654ec0 R15: ffff8881042f40f8
FS:  00007f32a0d0dc80(0000) GS:ffff8882a8f5c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32a05c1221 CR3: 000000016ecc0000 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:lock_acquire+0x84/0x350
Code: 0f 84 e1 01 00 00 83 3d 59 bb b4 0e 00 0f 84 e9 00 00 00 48 8b b4 24 88 00 00 00 4c 89 e7 e8 73 1c 92 00 83 3d 3c bb b4 0e 00 <0f> 84 e4 00 00 00 65 8b 05 df e7 c9 11 85 c0 0f 85 d5 00 00 00 65
RSP: 0018:ffffc9000348f590 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff821bd1cb RDI: 1ffff1102e7ac20f
RBP: 00000000000000c4 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff20ae4a7 R12: ffff888173d61078
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 __might_fault+0xcb/0x130
 _copy_to_iter+0xf9/0x1810
 __skb_datagram_iter+0xf8/0x980
 skb_copy_datagram_iter+0xb5/0x240
 netlink_recvmsg+0x2b9/0xa50
 sock_recvmsg+0x196/0x1e0
 ____sys_recvmsg+0x1e6/0x4a0
 ___sys_recvmsg+0x213/0x5a0
 __x64_sys_recvmsg+0x1ae/0x290
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32a092491e
Code: ff 89 ef 48 89 04 24 e8 4f 57 f9 ff 48 8b 04 24 48 83 c4 30 5d c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 21 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 70 48 8b 15 db c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffcf0df6728 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32a092491e
RDX: 0000000000000000 RSI: 00007ffcf0df6758 RDI: 0000000000000004
RBP: 00005642eea839e0 R08: 0000000007c6e624 R09: 3fffffffffffffff
R10: 4000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcf0df6818 R14: 0000000000000000 R15: 00005642c85b04df
 </TASK>
