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Merge pull request #2758 from cuberite/FastNBTFix

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Fixed String Parsing crash bug
This commit is contained in:
Mattes D 2015-12-18 12:24:05 +01:00
commit c8de191e4d
1 changed files with 1 additions and 5 deletions
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6
src/WorldStorage/FastNBT.cpp
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@ -91,11 +91,7 @@ bool cParsedNBT::ReadString(size_t & a_StringStart, size_t & a_StringLen)
NEEDBYTES(2); NEEDBYTES(2);
a_StringStart = m_Pos + 2; a_StringStart = m_Pos + 2;
a_StringLen = static_cast<size_t>(GetBEShort(m_Data + m_Pos)); a_StringLen = static_cast<size_t>(GetBEShort(m_Data + m_Pos));
if (a_StringLen > 0xffff) NEEDBYTES(a_StringLen);
{
// Suspicious string length
return false;
}
m_Pos += 2 + a_StringLen; m_Pos += 2 + a_StringLen;
return true; return true;
} }