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pcx: Fix crash on fuzzed file

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oss-fuzz/12784
This commit is contained in:
Albert Astals Cid 2019-01-31 00:56:25 +01:00
parent 4ee92527c4
commit c2d2a9be66
1 changed files with 3 additions and 0 deletions
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3
src/imageformats/pcx.cpp
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@ -253,6 +253,9 @@ static void readImage1(QImage &img, QDataStream &s, const PCXHEADER &header)
img = QImage(header.width(), header.height(), QImage::Format_Mono);
img.setColorCount(2);
if (img.isNull())
return;
for (int y = 0; y < header.height(); ++y) {
if (s.atEnd()) {
img = QImage();