Thanks. According to the package versions the bug is not present in >=
Kinetic, so setting the devel release task as Fix Released.
** Changed in: rsync (Ubuntu)
Status: New => Fix Released
** Changed in: rsync (Ubuntu Jammy)
Status: Incomplete => Triaged
** Tags added: server-todo
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https://bugs.launchpad.net/bugs/2007837
Title:
22.04: Backport request from 3.2.4 for fix of 3.2.3 regression
Status in rsync package in Ubuntu:
Fix Released
Status in rsync source package in Jammy:
Triaged
Status in rsync package in Debian:
Unknown
Bug description:
rsync 3.2.3 (packaged in Ubuntu 22.04) changes stderr handling,
leading another bug in libfile-rsyncp-perl (in Ubuntu 18.04 and 20.04)
to surface [1].
It practically makes using BackupPC 3 impossible with clients using
rsync 3.2.3, as is packaged for 22.04. The fact that BackupPC on 20.04
can't be used to back up machines with 22.04 is rather surprising and
has bitten other users [2].
It's unclear whether the bug will be fixed in 18.04's and 20.04's
libfile-rsyncp-perl package (for status, see [3]).
Because of this, the rsync maintainer has included a patch in 3.2.4
that fixes this regression [4] (even though not strictly an rsync
bug). As a result, rsync 3.2.3 is the only affected version, which
happens to be the one packaged in 22.04.
This report is to request backporting that fix [4] to Ubuntu 22.04, so
that things don't silently break in scenarios where the backup server
is left at 20.04, and some backup clients happen to upgrade to 22.04.
I'm not sure what the criteria for security releases are, but as the
issue causes backup denial of service and has easy mitigation, I think
it would make sense to put it through the security channel.
[1]: https://github.com/WayneD/rsync/issues/95#issuecomment-699185358
[2]:
https://www.mail-archive.com/backuppc-users@lists.sourceforge.net/msg32673.html
[3]:
https://bugs.launchpad.net/ubuntu/+source/libfile-rsyncp-perl/+bug/2007833
[4]:
https://github.com/WayneD/rsync/commit/4adfdaaf12db26c348b4d6150119b377f9b622c8
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