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

From	raf <debian@raf.org>
Newsgroups	linux.debian.user
Subject	Re: debian10/11 ssh from ipv6 address not in /etc/hosts.allow = sshd segfault segfault
Date	2021-08-20 02:10 +0200
Message-ID	<CO0gF-83T-9@gated-at.bofh.it> (permalink)
References	<CMVVL-6oP-3@gated-at.bofh.it> <CNT5v-3s8-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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

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debian10/11 ssh from ipv6 address not in /etc/hosts.allow = sshd  segfault segfault raf <debian@raf.org> - 2021-08-17 03:20 +0200
  Re: debian10/11 ssh from ipv6 address not in /etc/hosts.allow = sshd  segfault segfault Andy Smith <andy@strugglers.net> - 2021-08-19 18:30 +0200
    Re: debian10/11 ssh from ipv6 address not in /etc/hosts.allow = sshd  segfault segfault raf <debian@raf.org> - 2021-08-20 02:10 +0200

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