[PATCH 4.8 059/138] vt: clear selection before resizing

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Scot Doyle commit 009e39ae44f4191188aeb6dfbf661b771dbbe515 upstream. When resizing a vt its selection may exceed the new size, resulting in an invalid memory access [1].

[PATCH 4.8 059/138] vt: clear selection before resizing

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Scot Doyle commit 009e39ae44f4191188aeb6dfbf661b771dbbe515 upstream. When resizing a vt its selection may exceed the new size, resulting in an invalid memory access [1]. Clear the selection