UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
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WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x364/0x400, CPU#1: syz-executor.6/18342
Modules linked in:
CPU: 1 UID: 0 PID: 18342 Comm: syz-executor.6 Not tainted 6.18.0-rc4-next-20251104 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_data+0x364/0x400
Code: e8 83 e0 07 83 c0 03 38 d0 0f 8c be fe ff ff 84 d2 0f 84 b6 fe ff ff 48 89 ef e8 d7 f1 5b 00 e9 a9 fe ff ff e8 3d f2 1e 00 90 <0f> 0b 90 45 31 e4 e9 3b ff ff ff e8 2c f2 1e 00 90 0f 0b 90 45 31
RSP: 0018:ffff8880175ef540 EFLAGS: 00010016
RAX: 0000000000003c45 RBX: ffff8880175ef658 RCX: ffffc9000a463000
RDX: 0000000000040000 RSI: ffffffff81559633 RDI: 0000000000000006
RBP: ffff8880175ef620 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85d2e3d0
R13: 00003fffffffffff R14: 0000000000000000 R15: 0000000000000000
FS:  00007f7711ec0700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556d1f124058 CR3: 000000000e6b4000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 _prb_read_valid+0x2f3/0x830
 prb_read_valid+0x78/0xa0
 printk_get_next_message+0x10b/0x570
 console_flush_one_record+0x64f/0xb20
 __console_flush_and_unlock+0xb1/0x1d0
 vprintk_emit+0x4c1/0x690
 dev_printk_emit+0xd9/0x120
 __dev_printk+0xf8/0x270
 _dev_err+0xdb/0x120
 raw_ioctl+0x1ac8/0x21a0
 __x64_sys_ioctl+0x18f/0x210
 do_syscall_64+0xbf/0x3f0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f771494a8d7
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 54 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7711ebe0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7711ebf130 RCX: 00007f771494a8d7
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000008
RBP: 0000000000000008 R08: 000000000000ffff R09: 000000000000000b
R10: 00007f7711ebe180 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000020000cc0 R14: 0000000020000940 R15: 0000000000000000
 </TASK>
irq event stamp: 972
hardirqs last  enabled at (971): [<ffffffff81b196b4>] kasan_quarantine_put+0x84/0x1e0
hardirqs last disabled at (972): [<ffffffff84c5dd53>] _raw_spin_lock_irqsave+0x53/0x60
softirqs last  enabled at (832): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (821): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16