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Merge pull request #5129 from sashashura/4875566380220416 

Fix UNKNOWN READ in aiTexture::~aiTexture
pull/5133/head
Kim Kulling 2023-06-05 18:35:56 +02:00 committed by GitHub
parent 915e146307 513e62e1c9
commit 02d5ab294c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 9 additions and 2 deletions
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2
code/AssetLib/MDL/MDLLoader.cpp
View File

@ -274,7 +274,7 @@ void MDLImporter::InternReadFile(const std::string &pFile,
// ------------------------------------------------------------------------------------------------
// Check whether we're still inside the valid file range
void MDLImporter::SizeCheck(const void *szPos) {
if (!szPos || (const unsigned char *)szPos > this->mBuffer + this->iFileSize) {
if (!szPos || (const unsigned char *)szPos > this->mBuffer + this->iFileSize || szPos < this->mBuffer) {
throw DeadlyImportError("Invalid MDL file. The file is too small "
"or contains invalid data.");
}

9
code/AssetLib/MDL/MDLMaterialLoader.cpp
View File

@ -703,7 +703,14 @@ void MDLImporter::SkipSkinLump_3DGS_MDL7(
tex.pcData = bad_texel;
tex.mHeight = iHeight;
tex.mWidth = iWidth;
ParseTextureColorData(szCurrent, iMasked, &iSkip, &tex);
try {
ParseTextureColorData(szCurrent, iMasked, &iSkip, &tex);
} catch (...) {
// FIX: Important, otherwise the destructor will crash
tex.pcData = nullptr;
throw;
}
// FIX: Important, otherwise the destructor will crash
tex.pcData = nullptr;