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-rw-r--r--Tools/MCADefrag/MCADefrag.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/Tools/MCADefrag/MCADefrag.cpp b/Tools/MCADefrag/MCADefrag.cpp
index d5d233fd2..0d38a87f1 100644
--- a/Tools/MCADefrag/MCADefrag.cpp
+++ b/Tools/MCADefrag/MCADefrag.cpp
@@ -269,7 +269,7 @@ bool cMCADefrag::cThread::ReadChunk(cFile & a_File, const Byte * a_LocationRaw)
return false;
}
m_CompressedChunkDataSize = (Buf[0] << 24) | (Buf[1] << 16) | (Buf[2] << 8) | Buf[3];
- if (m_CompressedChunkDataSize > SizeInSectors)
+ if ((m_CompressedChunkDataSize > SizeInSectors) || (m_CompressedChunkDataSize < 0))
{
LOGWARNING("Invalid chunk data - SizeInSectors (%d) smaller that RealSize (%d)", SizeInSectors, m_CompressedChunkDataSize);
return false;