This looks like a duplicate of 130224.
On Fri, 19 Oct 2018 22:22:59 -0700, tonyc wrote:
>
> No, it's the stack-not-refcounted bug.
>
> Tony
---
via perlbug: queue: perl5 status: open
https://rt.perl.org/Ticket/Display.html?id=133599
[perl #133599] NULL pointer deference in Perl_sv_setpv_bufsize
by geeknik@protonmail.ch via RT