The stunnel guys have worked tirelessly to get this resolved. Its an
interaction of openssl 1.1.0k and Stunnel. I think essentially openssl
is doing something strange. They came up with a fix and its currently
in the https://www.stunnel.org/downloads/beta/stunnel-5.56b1.tar.gz
beta. You should give it a try and see if its resolves your issue.

On Thu, 7 Nov 2019 at 19:36, Francois Robinette <frobinette@hotmail.com> wrote:
>
> I've seen other having the same issue without resolution so far...
> But we do have the same issue:
>
> stunnel[7886]: segfault at 21 ip 00007f70aa1efcea sp 00007f6fa7797978 error 6 in libpthread-2.12.so[7f70aa1e5000+17000]
>
>
>
> _______________________________________________
> stunnel-users mailing list
> stunnel-users@stunnel.org
> https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users



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Mark Brookes
Loadbalancer.org Ltd.
www.loadbalancer.org


+44 (0)330 380 1064
mark@loadbalancer.org