31 lines
949 B
Diff
31 lines
949 B
Diff
From d3048a29797ee2d80d84bbda26bb3c954584f332 Mon Sep 17 00:00:00 2001
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From: Eirik Aavitsland <eirik.aavitsland@theqtcompany.com>
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Date: Wed, 11 Mar 2015 09:00:41 +0100
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Subject: [PATCH 200/238] Fixes crash in gif image decoder
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Fuzzing test revealed that for certain malformed gif files,
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qgifhandler would segfault.
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Change-Id: I5bb6f60e1c61849e0d8c735edc3869945e5331c1
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Reviewed-by: Richard J. Moore <rich@kde.org>
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---
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src/gui/image/qgifhandler.cpp | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/src/gui/image/qgifhandler.cpp b/src/gui/image/qgifhandler.cpp
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index 03e46ab..8d8c4ae 100644
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--- a/src/gui/image/qgifhandler.cpp
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+++ b/src/gui/image/qgifhandler.cpp
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@@ -936,6 +936,8 @@ void QGIFFormat::fillRect(QImage *image, int col, int row, int w, int h, QRgb co
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void QGIFFormat::nextY(unsigned char *bits, int bpl)
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{
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+ if (out_of_bounds)
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+ return;
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int my;
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switch (interlace) {
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case 0: // Non-interlaced
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--
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1.9.3
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