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Fix memory corruption when LWO file contains bad-sized points chunk

pull/450/head
Turo Lamminen 2015-01-26 14:23:07 +02:00
parent 2f0675ac53
commit af09e68654
1 changed files with 5 additions and 0 deletions
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5
code/LWOLoader.cpp
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@ -730,6 +730,11 @@ void LWOImporter::LoadLWOPoints(unsigned int length)
// --- this function is used for both LWO2 and LWOB but for // --- this function is used for both LWO2 and LWOB but for
// LWO2 we need to allocate 25% more storage - it could be we'll // LWO2 we need to allocate 25% more storage - it could be we'll
// need to duplicate some points later. // need to duplicate some points later.
const size_t vertexLen = 12;
if ((length % vertexLen) != 0)
{
throw DeadlyImportError( "LWO2: Points chunk length is not multiple of vertexLen (12)");
}
register unsigned int regularSize = (unsigned int)mCurLayer->mTempPoints.size() + length / 12; register unsigned int regularSize = (unsigned int)mCurLayer->mTempPoints.size() + length / 12;
if (mIsLWO2) if (mIsLWO2)
{ {