The code in dwfl_segment_report_module tries to allocate and fill in
memory as described in a core file. Normally all memory in filled in
through the (phdrs) memory_callback or the read_eagerly callback. If
the last callback doesn't work we try to calloc file_trimmed_end bytes
and then try to fill
The fuzz target was integrated into OSS-Fuzz in
https://github.com/google/oss-fuzz/pull/6944 and since then it
has been running there continously (uncovering various issues
along the way). It's all well and good but since OSS-Fuzz
is far from the elfutils repository it's unnecessarily hard
to build
