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Bug#1106321: marked as done (iproute2: "ip monitor" fails with current trixie's linux kernel / iproute2 combination)

Your message dated Tue, 27 May 2025 00:04:27 +0000
with message-id <E1uJhnv-00B8gU-C4@fasolo.debian.org>
and subject line Bug#1106321: fixed in iproute2 6.15.0-1
has caused the Debian Bug report #1106321,
regarding iproute2: "ip monitor" fails with current trixie's linux kernel / iproute2 combination
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.)


-- 
1106321: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1106321
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: iproute2
Version: 6.14.0-3
Severity: normal
X-Debbugs-Cc: bugs.a.b@free.fr

Dear Maintainer,

Having iproute2 >= 6.14 while running a linux kernel < 6.14
triggers this bug (tested using debian-13-nocloud-amd64-daily-20250520-2118.qcow2)

    root@localhost:~# ip monitor
    Failed to add ipv4 mcaddr group to list

More specifically this subcommand, which didn't exist in iproute2 6.13
is affected:

    root@localhost:~# ip mon maddr
    Failed to add ipv4 mcaddr group to list
    root@localhost:~# ip -6 mon maddr
    Failed to add ipv6 mcaddr group to list

causing the generic "ip monitor" command to fail.

As trixie will use a 6.12.x kernel, trixie is affected.

bookworm's iproute2/bookworm-backports is also affected since currently
bookworm's backport kernel is also 6.12.x

Workarounds:
* upgrade the kernel to experimental's (currently) 6.14.6-1~exp1
* downgrade iproute2 to 6.13.0-1 (using snapshot.d.o)
* on bookworm downgrade (using snapshot.d.o)
  iproute2 backport to 6.13.0-1~bpo12+1

Details I could gather:

This appears to come from this iproute2 6.14's commit:

https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?h=v6.14.0&id=7240e0e40f8332dd9f11348700c0c96b8df4ca5b

which appears to depend on new kernel 6.14 rtnetlink features as described
in Kernelnewbies ( https://kernelnewbies.org/Linux_6.14#Networking ):

Add ipv6 anycast join/leave notifications

with this (kernel 6.14) commit:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=33d97a07b3ae6fa713919de4e1864ca04fff8f80

I guess to fix this one could:

* backport (or have upstream backport) the kernel feature to 6.12.x,
* or supply iproute2 6.13 instead of iproute 6.14 for trixie with
  some versioning trick,
* or patch iproute2 to cope with a kernel not having the API changes

Regards,
Adel Belhouane.

-- System Information:
Debian Release: 13.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 6.12.27-amd64 (SMP w/2 CPU threads; PREEMPT)
Locale: LANG=C.UTF-8, LC_CTYPE=C.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 iproute2 depends on:
ii  debconf [debconf-2.0]  1.5.91
ii  libbpf1                1:1.5.0-3
ii  libc6                  2.41-7
ii  libcap2                1:2.75-7
ii  libcap2-bin            1:2.75-7
ii  libdb5.3t64            5.3.28+dfsg2-9
ii  libelf1t64             0.192-4
ii  libmnl0                1.0.5-3
ii  libselinux1            3.8.1-1
ii  libtirpc3t64           1.3.6+ds-1
ii  libxtables12           1.8.11-2

iproute2 recommends no packages.

Versions of packages iproute2 suggests:
ii  python3  3.13.3-1

-- debconf information excluded

--- End Message ---
--- Begin Message --- 
Source: iproute2
Source-Version: 6.15.0-1
Done: Luca Boccassi <bluca@debian.org>

We believe that the bug you reported is fixed in the latest version of
iproute2, 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 1106321@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Luca Boccassi <bluca@debian.org> (supplier of updated iproute2 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: Tue, 27 May 2025 00:16:26 +0100
Source: iproute2
Architecture: source
Version: 6.15.0-1
Distribution: unstable
Urgency: medium
Maintainer: Debian Kernel Team <debian-kernel@lists.debian.org>
Changed-By: Luca Boccassi <bluca@debian.org>
Closes: 1106321
Changes:
 iproute2 (6.15.0-1) unstable; urgency=medium
 .
   * Update upstream source from tag 'upstream/6.15.0'
     (Closes: #1106321)
   * Drop all backported patches, merged upstream
   * d/copyright: use GPL URL instead of old FSF postal address
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 ba763dbc01baae890a2484938ab3e14f59b60945 39920 iproute2_6.15.0-1.debian.tar.xz
 bbb305cb7be15012cc1e5b08033734072b7ea5b6 6872 iproute2_6.15.0-1_source.buildinfo
Checksums-Sha256:
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Files:
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 d85d77deed57e055cb2d1409595a6348 930908 net optional iproute2_6.15.0.orig.tar.xz
 d113e76b6f0042545934917d84cec1b7 39920 net optional iproute2_6.15.0-1.debian.tar.xz
 4b806cca2bb9022859f34bb8a8f66caa 6872 net optional iproute2_6.15.0-1_source.buildinfo

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