Description: bento4 is a fast, modern, open source C++ toolkit for all your MP4 and MPEG DASH media format needs. The complete ASan output of the issue: # mp42aac $FILE out.aac ASAN:DEADLYSIGNAL ================================================================= ==18215==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 … Continue reading bento4: NULL pointer dereference in AP4_StdcFileByteStream::ReadPartial (Ap4StdCFileByteStream.cpp)