File vgabios-Make-sure-stdvga_list_modes-doesn-t-overrun-.patch of Package qemu.3217

From 2620984b42fd2a374e94c75f04982c60edf179cb Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@koconnor.net>
Date: Tue, 11 Feb 2014 17:36:56 -0500
Subject: [PATCH] vgabios: Make sure stdvga_list_modes() doesn't overrun the
 buffer.
References: bnc#880625

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 vgasrc/stdvgamodes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/roms/seabios/vgasrc/stdvgamodes.c b/roms/seabios/vgasrc/stdvgamodes.c
index a97c85f..8436729 100644
--- a/roms/seabios/vgasrc/stdvgamodes.c
+++ b/roms/seabios/vgasrc/stdvgamodes.c
@@ -336,7 +336,7 @@ void
 stdvga_list_modes(u16 seg, u16 *dest, u16 *last)
 {
     int i;
-    for (i = 0; i < ARRAY_SIZE(vga_modes); i++) {
+    for (i = 0; i < ARRAY_SIZE(vga_modes) && dest < last; i++) {
         struct stdvga_mode_s *stdmode_g = &vga_modes[i];
         u16 mode = GET_GLOBAL(stdmode_g->mode);
         if (mode == 0xffff)
-- 
1.9.0