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DDS: Fix for OSS Fuzz issue 384974505

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This commit is contained in:
Mirco Miranda
2024-12-19 07:18:37 +00:00
parent adc5c7ae9a
commit b649cca304
1 changed files with 5 additions and 2 deletions
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7
src/imageformats/dds.cpp
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@ -597,9 +597,12 @@ static inline int maskLength(quint32 mask)
static inline quint32 readValue(QDataStream &s, quint32 size) static inline quint32 readValue(QDataStream &s, quint32 size)
{ {
Q_ASSERT(size == 8 || size == 16 || size == 24 || size == 32);
quint32 value = 0; quint32 value = 0;
if (size != 8 && size != 16 && size != 24 && size != 32) {
s.setStatus(QDataStream::ReadCorruptData);
return value;
}
quint8 tmp; quint8 tmp;
for (unsigned bit = 0; bit < size; bit += 8) { for (unsigned bit = 0; bit < size; bit += 8) {
s >> tmp; s >> tmp;