CVE-2026-90022 usb: gadget: f_midi2: fix use-after-free in string attribute show path

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fmidi2: fix use-after-free in string attribute show path fmidi2optsstrshow takes the string lock internally, but its callers dereference the opts-info. pointer before calling it, outside the lock. This races with...