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ani: convert +1 to -1 so we don't do a potential integer overflow

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oss-fuzz/32601

runtime error: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
This commit is contained in:
Albert Astals Cid 2021-03-28 14:07:46 +02:00
parent 3b0c767f82
commit 2755f74fbb
1 changed files with 1 additions and 1 deletions
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src/imageformats/ani.cpp
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@ -504,7 +504,7 @@ bool ANIHandler::ensureScanned() const
return false;
}
if (!m_frameOffsets.isEmpty() && m_frameOffsets.count() != m_frameCount + 1) {
if (!m_frameOffsets.isEmpty() && m_frameOffsets.count() - 1 != m_frameCount) {
qWarning("ANIHandler: number of actual frames does not match 'nFrames' in anih");
return false;
}