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Bug#1021455: marked as done (nscd: nscd returns bizarre DNS responses)

Your message dated Sun, 09 Oct 2022 09:20:21 +0000
with message-id <E1ohSTt-004x7E-3D@fasolo.debian.org>
and subject line Bug#1021455: fixed in glibc 2.35-3
has caused the Debian Bug report #1021455,
regarding nscd: nscd returns bizarre DNS responses
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
1021455: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1021455
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: nscd
Version: 2.35-2
Severity: important
X-Debbugs-Cc: Vagrant Cascadian <vagrant@debian.org>

I was unable to "dgit push-source" after upgrading nscd from 2.35-1
earlier today. Had no such problems just two days ago. Investigating a
little further, it just kept getting weirder.

  $ host push.dgit.debian.org
  push.dgit.debian.org is an alias for gideon.debian.org.
  gideon.debian.org has address 82.195.75.78
  gideon.debian.org has IPv6 address 2001:41b8:202:deb::311:78
  gideon.debian.org mail is handled by 10 mitropoulos.debian.org.
  gideon.debian.org mail is handled by 10 muffat.debian.org.
  gideon.debian.org mail is handled by 10 mailly.debian.org.

That seems reasonable.

  $ ping push.dgit.debian.org
  PING deon.debian.org (127.0.1.1) 56(84) bytes of data.
  64 bytes from REDACTED (127.0.1.1): icmp_seq=1 ttl=64 time=0.079 ms
  64 bytes from REDACTED (127.0.1.1): icmp_seq=2 ttl=64 time=0.136 ms
  64 bytes from REDACTED (127.0.1.1): icmp_seq=3 ttl=64 time=0.136 ms
  ^C
  --- deon.debian.org ping statistics ---
  3 packets transmitted, 3 received, 0% packet loss, time 2042ms
  rtt min/avg/max/mdev = 0.079/0.117/0.136/0.026 ms

It's pinging my localhost ip address, but also using a truncated version
of the host name I actually want to ping, "deon.debian.org" instead of
"gideon.debian.org".

And everything works fine when I stop nscd:

  $ sudo systemctl stop nscd
  $ ping push.dgit.debian.org
  PING push.dgit.debian.org(gideon.debian.org (2001:41b8:202:deb::311:78)) 56 data bytes
  64 bytes from gideon.debian.org (2001:41b8:202:deb::311:78): icmp_seq=1 ttl=51 time=165 ms
  64 bytes from gideon.debian.org (2001:41b8:202:deb::311:78): icmp_seq=2 ttl=51 time=165 ms
  64 bytes from gideon.debian.org (2001:41b8:202:deb::311:78): icmp_seq=3 ttl=51 time=165 ms
  ^C
  --- push.dgit.debian.org ping statistics ---
  3 packets transmitted, 3 received, 0% packet loss, time 2004ms
  rtt min/avg/max/mdev = 165.369/165.390/165.429/0.027 ms


As far as I know, I've got the defaults for /etc/hosts,
/etc/nsswitch.conf, and the dns server defined in /etc/resolv.conf
looks correct to me.

  $ cat /etc/hosts
  127.0.0.1       localhost
  127.0.1.1       REDACTED

  # The following lines are desirable for IPv6 capable hosts
  ::1     localhost ip6-localhost ip6-loopback
  ff02::1 ip6-allnodes
  ff02::2 ip6-allrouters

  $ cat /etc/nsswitch.conf
  # /etc/nsswitch.conf
  #
  # Example configuration of GNU Name Service Switch functionality.
  # If you have the `glibc-doc-reference' and `info' packages installed, try:
  # `info libc "Name Service Switch"' for information about this file.
  
  passwd:         files systemd
  group:          files systemd
  shadow:         files
  gshadow:        files
  
  hosts:          files mdns4_minimal [NOTFOUND=return] dns
  networks:       files
  
  protocols:      db files
  services:       db files
  ethers:         db files
  rpc:            db files
  
  netgroup:       nis

  $ cat /etc/resolv.conf
  # Generated by NetworkManager
  nameserver 10.0.0.1

I did briefly add push.dgit.debian.org to /etc/hosts, but have since
removed it and stopped and started nscd a few times...

live well,
  vagrant

-- System Information:
Debian Release: bookworm/sid
  APT prefers testing
  APT policy: (500, 'testing'), (1, 'experimental'), (1, 'unstable')
Architecture: arm64 (aarch64)
Foreign Architectures: armhf

Kernel: Linux 6.0.0-rc7-arm64 (SMP w/6 CPU threads)
Kernel taint flags: TAINT_CRAP
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages nscd depends on:
ii  init-system-helpers        1.65.2
ii  libaudit1                  1:3.0.7-1.1
ii  libc6                      2.35-2
ii  libcap2                    1:2.44-1
ii  libselinux1                3.4-1+b2
ii  lsb-base                   11.4
ii  sysvinit-utils [lsb-base]  3.05-6

nscd recommends no packages.

nscd suggests no packages.

-- no debconf information

Attachment: signature.asc
Description: PGP signature


--- End Message ---
--- Begin Message --- 
Source: glibc
Source-Version: 2.35-3
Done: Aurelien Jarno <aurel32@debian.org>

We believe that the bug you reported is fixed in the latest version of
glibc, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1021455@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Aurelien Jarno <aurel32@debian.org> (supplier of updated glibc package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Sun, 09 Oct 2022 10:54:21 +0200
Source: glibc
Architecture: source
Version: 2.35-3
Distribution: unstable
Urgency: medium
Maintainer: GNU Libc Maintainers <debian-glibc@lists.debian.org>
Changed-By: Aurelien Jarno <aurel32@debian.org>
Closes: 1020943 1021455
Changes:
 glibc (2.35-3) unstable; urgency=medium
 .
   * debian/patches/arm/git-atomic-compiler-builtins.diff: backport an
     upstream patch switching the arm32 atomics to GCC atomic builtins.
     This fixes the flaky nptl/tst-rwlock9.  Partially addresses:
     #1020500.
   * debian/control.in/libc: add back the Breaks: on heimdal-multidev
     (<= 7.7.0+dfsg-4) to libc6-dev, now that the glibc 2.34 transition
     is finished and that the package has transitioned to testing. It has
     been temporarily removed in version 2.34-2.
   * debian/patches/git-updates.diff: update from upstream stable branch:
     - nscd: do not use stale values when a request needs to be resent.
       Closes: #1020943, #1021455.
Checksums-Sha1:
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 86e314f4e1aa58d2c85cccee19e1ffcf0089ea3c 920272 glibc_2.35-3.debian.tar.xz
 3d4f72c0ea3dccf82aafc6f8364f36382c185d8e 9469 glibc_2.35-3_source.buildinfo
Checksums-Sha256:
 e4a0749a2be444856df978cf9f0468abfe9b5954cf15b3f2ee3f88d67944f3cc 9731 glibc_2.35-3.dsc
 b64814d57b38cb9e9793881484d632b00e02ab058f44e442c9c56d1d3ef9f056 920272 glibc_2.35-3.debian.tar.xz
 b22a17b5875e61db83fdcf88fd5c2dbb7cfe47c860da981c4d5e4872a0b4d711 9469 glibc_2.35-3_source.buildinfo
Files:
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 2ee32aa40c05851ffab12a16401a42c9 920272 libs required glibc_2.35-3.debian.tar.xz
 11dd87128d792b147dd75697af257e66 9469 libs required glibc_2.35-3_source.buildinfo

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--- End Message ---
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