Re: debian10/11 ssh from ipv6 address not in /etc/hosts.allow = sshd segfault segfault

[raf <debian@raf.org>]

On Thu, Aug 19, 2021 at 04:25:34PM +0000, Andy Smith <andy@strugglers.net> wrote:

> Hello,
> 
> On Tue, Aug 17, 2021 at 11:17:05AM +1000, raf wrote:
> > I just noticed many many sshd segfaults listed in
> > /var/log/kern.log. There are two versions. They look
> > like this:
> > 
> >   sshd[1086]: segfault at 7fff615eaec8 ip
> >   00007ff2a586f42f sp 00007fff615eaed0 error 6 in
> >   libwrap.so.0.7.6[7ff2a586e000+5000]
> > 
> >   sshd[1094]: segfault at 7ffcd3ff6f08 ip
> >   00007f18d4f5dac7 sp 00007ffcd3ff6ed0 error 6 in
> >   libc-2.31.so[7f18d4f2a000+14b000]
> 
> I think you should report this as a bug against openssh source
> package and see if you get any assistance. As the segfaults happen
> inside libwrap and libc it could end up being a bug in either of
> those instead, or in how sshd uses them, but let's see.
>
> Using "reportbug openssh-server" is probably the easiest.

> Cheers,
> Andy

Thanks. I did that already. I just posted it to the list as well
in case it helped others while waiting for a fix.

cheers,
raf