Hi -

> I tried to use elfutils to retrieve the backtrace within a signal handle,
> but I am having a segfault inside `dwfl_module_getsrc`.
> [...]

A red flag is "within a signal handler".  The kinds of code that one
may safely invoke in a signal handler are highly limited.  Most
elfutils functions are not safe this way.  See

% man signal-safety

- FChE

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