Thanks for reply.
Ptrace process before dropping privileges does not allow me to traverse mem files. Still
problem persists>
https://github.com/xsulca00/elfutils-for-satyr/blob/satyr_dwfl_linux_proc...
How to pass the "/proc/[tid]/mem" file opened under root to
dwfl_linux_proc_find_elf in order to traverse this file after dropping the privileges.