id summary reporter owner description type status priority milestone component version resolution keywords cc 77 Accessing uninitialized memory in intra prediction PDPC/WAIP ksuehring "I got a bug report privately about valgrind reporting the decoder to access uninitialized/not existing memory. Location: IntraPrediction.cpp line 1039 {{{ int c = x + y + 1; const Pel left = refSide[c + 1]; const Pel top = refMain[c + 1]; pDsty[x] = ClipPel((wL * left + wT * top + (64 - wL - wT) * pDsty[x] + 32) >> 6, clpRng); }}} **left** seems to point to an unavailable location at some point. Test setup: 1 frame BQSquare encoded with VTM config QP=32 on Linux/gcc 7.2.1, decoder running with valgrind. My be an interaction between JVET_K0063_PDPC_SIMP and JVET_K0500_WAIP implementations." defect closed minor BMS-2.0.1 BMS BMS-2.0 fixed Intra, PDPC, WAIP ksuehring XiangLi fbossen jvet@…