================================================ WARNING: lock held when returning to user space! 6.18.0-rc7-next-20251128 #1 Not tainted ------------------------------------------------ syz-executor.4/7608 is leaving the kernel with locks still held! 1 lock held by syz-executor.4/7608: #0: ffff8880165c1c88 (&sb->s_type->i_mutex_key#29/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0 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