From: kub <derkub@gmail.com>
Date: Fri, 4 Mar 2022 19:39:44 +0000 (+0000)
Subject: fix a buffer overflow
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d07718a03be25075abef1888b836dfb77e1c83a0;p=libpicofe.git

fix a buffer overflow
---

diff --git a/plat_sdl.c b/plat_sdl.c
index 729a0b0..a167a63 100644
--- a/plat_sdl.c
+++ b/plat_sdl.c
@@ -365,10 +365,10 @@ void plat_sdl_overlay_clear(void)
   int *dst = (int *)plat_sdl_overlay->pixels[0];
   int v = 0x10801080;
 
-  for (; pixels > 0; dst += 4, pixels -= 2 * 4)
+  for (; pixels > 7; dst += 4, pixels -= 2 * 4)
     dst[0] = dst[1] = dst[2] = dst[3] = v;
 
-  for (; pixels > 0; dst++, pixels -= 2)
+  for (; pixels > 1; dst++, pixels -= 2)
     *dst = v;
 }