From 799eb6a3af8a3dd81e2429bf11a72a57e541f908 Mon Sep 17 00:00:00 2001 From: "Eric S. Raymond" 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 --- 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