From 4751e897ce4dd691b1c94b1b0e388ebe5abc944c Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Tue, 29 Jan 2019 10:54:25 +0100
Subject: [PATCH] rgb: Fix Heap-buffer-overflow in fuzzed file

oss-fuzz/12757
---
 src/imageformats/rgb.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/imageformats/rgb.cpp b/src/imageformats/rgb.cpp
index d09fadf..4dcde6c 100644
--- a/src/imageformats/rgb.cpp
+++ b/src/imageformats/rgb.cpp
@@ -153,7 +153,7 @@ bool SGIImage::getRow(uchar *dest)
         }
 
         if (*_pos++ & 0x80) {
-            for (; i < _xsize && n--; i++) {
+            for (; i < _xsize && _pos < _data.end() && n--; i++) {
                 *dest++ = *_pos;
                 _pos += _bpc;
             }