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GzippedFileReader: Prevent out-of-bounds reads

This commit is contained in:
Stenzek 2023-11-30 18:13:54 +10:00 committed by Connor McLaughlin
parent 234b3df332
commit 776cdd60fa
1 changed files with 3 additions and 0 deletions
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3
pcsx2/CDVD/GzippedFileReader.cpp
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@ -387,6 +387,9 @@ int GzippedFileReader::_ReadSync(void* pBuffer, s64 offset, uint bytesToRead)
if (!OkIndex(nullptr))
return -1;
if ((offset + bytesToRead) > m_pIndex->uncompressed_size)
return -1;
// Without all the caching, chunking and states, this would be enough:
// return extract(m_src, m_pIndex, offset, (unsigned char*)pBuffer, bytesToRead);