From: Stefan Kangas <stefankangas@gmail.com>
Date: Thu, 18 Jul 2024 07:34:22 +0000 (+0200)
Subject: Avoid overflow in pgtk_is_numeric_char
X-Git-Tag: archive/raspbian/1%30.1+1-3+rpi1^2~2^2~20^2~680
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=c9d28a05d98a2c3c0fe89ac37bc143a41b60ea96;p=emacs.git

Avoid overflow in pgtk_is_numeric_char

* src/pgtkfns.c (parse_resource_key): Avoid overflow by making array
larger, if a key is RESOURCE_KEY_MAX_LEN long.  Do not merge to master,
since it's fixed in a different way there.
---

diff --git a/src/pgtkfns.c b/src/pgtkfns.c
index 49467988cae..085c41eb759 100644
--- a/src/pgtkfns.c
+++ b/src/pgtkfns.c
@@ -1803,7 +1803,7 @@ pgtk_is_numeric_char (int c)
 static GSettings *
 parse_resource_key (const char *res_key, char *setting_key)
 {
-  char path[32 + RESOURCE_KEY_MAX_LEN];
+  char path[33 + RESOURCE_KEY_MAX_LEN];
   const char *sp = res_key;
   char *dp;