static uint32 GetFineLinearSlideUpTable  (const CSoundFile *sndFile, uint32 i) { MPT_ASSERT(i < CountOf(FineLinearSlideDownTable)); return sndFile->m_playBehaviour[kHertzInLinearMode] ? FineLinearSlideUpTable[i]   : FineLinearSlideDownTable[i]; }

The product reads data past the end, or before the beginning, of the intended buffer.