| From 799eb6a3af8a3dd81e2429bf11a72a57e541f908 Mon Sep 17 00:00:00 2001 |
| From: "Eric S. Raymond" <esr@thyrsus.com> |
| Date: Sun, 17 Mar 2019 12:37:21 -0400 |
| Subject: [PATCH] Address SF bug #119: MemorySanitizer: FPE on unknown address |
| |
| [Retrieved (and backported) from: |
| https://sourceforge.net/p/giflib/code/ci/08438a5098f3bb1de23a29334af55eba663f75bd] |
| Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> |
| --- |
| dgif_lib.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/lib/dgif_lib.c b/lib/dgif_lib.c |
| index 3a52467..179bd84 100644 |
| --- a/lib/dgif_lib.c |
| +++ b/lib/dgif_lib.c |
| @@ -1143,7 +1143,7 @@ DGifSlurp(GifFileType *GifFile) |
| |
| sp = &GifFile->SavedImages[GifFile->ImageCount - 1]; |
| /* Allocate memory for the image */ |
| - if (sp->ImageDesc.Width < 0 && sp->ImageDesc.Height < 0 && |
| + if (sp->ImageDesc.Width <= 0 || sp->ImageDesc.Height <= 0 || |
| sp->ImageDesc.Width > (INT_MAX / sp->ImageDesc.Height)) { |
| return GIF_ERROR; |
| } |
| -- |
| 2.20.1 |
| |
