[PATCH 4.14 089/193] ALSA: usb-audio: Fix potential out-of-bound access at parsing SU

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Takashi Iwai commit f658f17b5e0e339935dca23e77e0f3cad591926b upstream. The usb-audio driver may trigger an out-of-bound access at parsing a malformed selector unit, as it

[PATCH 4.14 089/193] ALSA: usb-audio: Fix potential out-of-bound access at parsing SU

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Takashi Iwai commit f658f17b5e0e339935dca23e77e0f3cad591926b upstream. The usb-audio driver may trigger an out-of-bound access at parsing a malformed selector unit, as it checks the header