The function av_file_map can use mmap to memory-map the content of a
file into address space. Just like every other alternative, mmap() could
fail due to various reasons, e.g. if not enough address space is
available.
Unfortunately, av_file_map writes the requested size even on error into
the supp
When the command line for children is created, it is assumed that
my_program_name always ends with "ffserver", which doesn't have to
be true if ffserver is called through a symbolic link.
In such a case, it could be that not enough space for "ffmpeg" is
available at the end, leading to a buffer ov
