[hackers] [PATCH svkbd 3/7] protection against segfault if overlay has more keys than the keyboard itself

[Maarten van Gompel]

---
 svkbd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/svkbd.c b/svkbd.c
index be688b5..38a549a 100644
--- a/svkbd.c
+++ b/svkbd.c
@@ -1062,6 +1062,8 @@ showoverlay(int idx)
                        j++;
                if (overlay[i].width > 1)
                        j += overlay[i].width - 1;
+               if (j >= numkeys)
+                       break;
                keys[j].label = overlay[i].label;
                keys[j].label2 = overlay[i].label2;
                keys[j].keysym = overlay[i].keysym;
--
2.32.0