GNU bug report logs - #30396
nscd segfaults on attempt to ssh to .local host

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: George myglc2 Clemmer <myglc2 <at> gmail.com>
Subject: bug#30396: closed (Re: bug#30396: nscd segfaults on attempt to
 ssh to .local host)
Date: Thu, 15 Feb 2018 09:39:01 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#30396: nscd segfaults on attempt to ssh to .local host

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 30396 <at> debbugs.gnu.org.

-- 
30396: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=30396
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: ludo <at> gnu.org (Ludovic Courtès)
To: myglc2 <at> gmail.com
Cc: 30396-done <at> debbugs.gnu.org
Subject: Re: bug#30396: nscd segfaults on attempt to ssh to .local host
Date: Thu, 15 Feb 2018 10:38:21 +0100

Hi,

It’s definitely fixed with the upgrade to nss-mdns 0.12:

  https://git.savannah.gnu.org/cgit/guix.git/commit/?id=9859b5c190b43a2d53f03f1ac71bad20c74b632b

Ludo’.

[Message part 3 (message/rfc822, inline)]

From: George myglc2 Clemmer <myglc2 <at> gmail.com>
To: bug-guix <at> gnu.org
Subject: nscd segfaults on attempt to ssh to .local host
Date: Thu, 08 Feb 2018 13:17:31 -0500

[Message part 4 (text/plain, inline)]

nscd segfaults on attempt to ssh to .local host ...

g1 <at> g1 /root/con/30$  ssh e3a.local ; date
ssh: Could not resolve hostname e3a.local: Name or service not known
Thu Feb  8 13:06:23 EST 2018

g1 <at> g1 /root/con/30$ cat /var/log/messages | tail
Feb  8 13:06:00 localhost dhclient: DHCPDISCOVER on enp4s0 to 255.255.255.255 port 67 interval 5
Feb  8 13:06:05 localhost dhclient: No DHCPOFFERS received.
Feb  8 13:06:05 localhost dhclient: No working leases in persistent database - sleeping.
Feb  8 13:06:23 localhost vmunix: [52360.780268] nscd[23423]: segfault at 0 ip 00007fb14a3c1606 sp 00007fb1446d82d8 error 4 in libc-2.25.so[7fb14a341000+196000]
Feb  8 13:06:24 localhost nscd: 23430 monitoring file `/etc/hosts` (1)
Feb  8 13:06:24 localhost nscd: 23430 monitoring directory `/etc` (2)
Feb  8 13:06:24 localhost nscd: 23430 monitoring file `/etc/resolv.conf` (3)
Feb  8 13:06:24 localhost nscd: 23430 monitoring directory `/etc` (2)
Feb  8 13:06:24 localhost nscd: 23430 monitoring file `/etc/services` (4)
Feb  8 13:06:24 localhost nscd: 23430 monitoring directory `/etc` (2)

g1 <at> g1 /root/con/30$ avahi-browse -p -a | grep e3a
+;enp3s0;IPv6;C5200n\032\064\032e3a;_printer._tcp;local
+;enp3s0;IPv4;C5200n\032\064\032e3a;_printer._tcp;local
+;enp3s0;IPv6;C5200n\032\064\032e3a;_ipps._tcp;local
+;enp3s0;IPv4;C5200n\032\064\032e3a;_ipps._tcp;local
+;enp3s0;IPv6;C5200n\032\064\032e3a;_ipp._tcp;local
+;enp3s0;IPv4;C5200n\032\064\032e3a;_ipp._tcp;local
+;enp3s0;IPv6;e3a\032\091d0\05850\05899\0585b\058d7\0587b\093;_workstation._tcp;local
+;enp3s0;IPv4;e3a\032\091d0\05850\05899\0585b\058d7\0587b\093;_workstation._tcp;local
  C-c C-cGot SIGINT, quitting.

... and when attempting to connect to self ...

g1 <at> g1 /root/con/30$  ssh g1.local ; date
ssh: Could not resolve hostname g1.local: Name or service not known
Thu Feb  8 13:06:57 EST 2018

g1 <at> g1 /root/con/30$ cat /var/log/messages | tail
Feb  8 13:06:24 localhost nscd: 23430 monitoring directory `/etc` (2)
Feb  8 13:06:24 localhost nscd: 23430 monitoring file `/etc/services` (4)
Feb  8 13:06:24 localhost nscd: 23430 monitoring directory `/etc` (2)
Feb  8 13:06:57 localhost vmunix: [52394.019906] nscd[23436]: segfault at 0 ip 00007fd7569b6606 sp 00007fd750ece2d8 error 4 in libc-2.25.so[7fd756936000+196000]
Feb  8 13:06:58 localhost nscd: 23445 monitoring file `/etc/hosts` (1)
Feb  8 13:06:58 localhost nscd: 23445 monitoring directory `/etc` (2)
Feb  8 13:06:58 localhost nscd: 23445 monitoring file `/etc/resolv.conf` (3)
Feb  8 13:06:58 localhost nscd: 23445 monitoring directory `/etc` (2)
Feb  8 13:06:58 localhost nscd: 23445 monitoring file `/etc/services` (4)
Feb  8 13:06:58 localhost nscd: 23445 monitoring directory `/etc` (2)

g1 <at> g1 /root/con/30$ avahi-browse -p -a | grep g1
+;enp3s0;IPv6;g1\032\091d0\05850\05899\0585b\058d7\05855\093;_workstation._tcp;local
+;enp3s0;IPv4;g1\032\091d0\05850\05899\0585b\058d7\05855\093;_workstation._tcp;local
+;enp3s0;IPv6;g1;_sftp-ssh._tcp;local
+;enp3s0;IPv4;g1;_sftp-ssh._tcp;local
+;enp3s0;IPv6;g1;_ssh._tcp;local
+;enp3s0;IPv4;g1;_ssh._tcp;local

g1 <at> g1 ~/src/guix$ guix --version
guix (GNU Guix) 0.14.0.1427-26ecb

TIA - George

system config:

[sys.scm (application/octet-stream, attachment)]

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