patch 8.1.2076: crash when trying to put a terminal in a popup window Commit: https://github.com/vim/vim/commit/e0d749a49630778d45642d7589a3703697746760 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 25 22:14:48 2019 +0200 patch 8.1.2076: crash when trying to put a terminal in a popup window Problem: Crash when trying to put a terminal buffer in a popup window. Solution: Check for NULL buffer. Do not allow putting a terminal in a popup window.

--- a/src/libvterm/src/termscreen.c
+++ b/src/libvterm/src/termscreen.c
@@ -75,6 +75,8 @@ static ScreenCell *getcell(const VTermSc
     return NULL;
   if(col < 0 || col >= screen->cols)
     return NULL;
+  if (screen->buffer == NULL)
+    return NULL;
   return screen->buffer + (screen->cols * row) + col;
 }