1CVE: CVE-2022-34568
2Upstream-Status: Backport [https://github.com/libsdl-org/SDL-1.2/commit/d7e00208738a0bc6af302723fe64908ac35b777b ]
3Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
4
5From d7e00208738a0bc6af302723fe64908ac35b777b Mon Sep 17 00:00:00 2001
6From: Ozkan Sezer <sezeroz@gmail.com>
7Date: Sat, 18 Jun 2022 14:55:00 +0300
8Subject: [PATCH] SDL_x11yuv.c: fix possible use-after-free
9
10Fixes: https://github.com/libsdl-org/SDL-1.2/issues/863
11---
12 src/video/x11/SDL_x11yuv.c | 2 +-
13 1 file changed, 1 insertion(+), 1 deletion(-)
14
15diff --git a/src/video/x11/SDL_x11yuv.c b/src/video/x11/SDL_x11yuv.c
16index 62698dfd9..0d5754e3e 100644
17--- a/src/video/x11/SDL_x11yuv.c
18+++ b/src/video/x11/SDL_x11yuv.c
19@@ -374,8 +374,8 @@ SDL_Overlay *X11_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, S
20 #ifdef PITCH_WORKAROUND
21 		if ( hwdata->image != NULL && hwdata->image->pitches[0] != (width*bpp) ) {
22 			/* Ajust overlay width according to pitch */
23-			XFree(hwdata->image);
24 			width = hwdata->image->pitches[0] / bpp;
25+			XFree(hwdata->image);
26 			hwdata->image = SDL_NAME(XvCreateImage)(GFX_Display, xv_port, format,
27 								0, width, height);
28 		}
29