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[3rd Party] Add buffer offlow check in 7zip

This commit is contained in:
zilmar 2016-01-17 16:44:01 +11:00
parent cc5cc265e4
commit 03b032c939
1 changed files with 4 additions and 4 deletions
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8
Source/3rdParty/7zip/Lzma2Dec.c vendored
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@ -65,10 +65,10 @@ static SRes Lzma2Dec_GetOldProps(Byte prop, Byte *props)
return SZ_ERROR_UNSUPPORTED;
dicSize = (prop == 40) ? 0xFFFFFFFF : LZMA2_DIC_SIZE_FROM_PROP(prop);
props[0] = (Byte)LZMA2_LCLP_MAX;
props[1] = (Byte)(dicSize);
props[2] = (Byte)(dicSize >> 8);
props[3] = (Byte)(dicSize >> 16);
props[4] = (Byte)(dicSize >> 24);
props[1] = (Byte)((dicSize)& 0xFF);
props[2] = (Byte)((dicSize >> 8) & 0xFF);
props[3] = (Byte)((dicSize >> 16) & 0xFF);
props[4] = (Byte)((dicSize >> 24) & 0xFF);
return SZ_OK;
}