#1110876 sbuild assumes that subuid/subgid is indexed using name

Package:
sbuild
Source:
sbuild
Submitter:
Aurelien Jarno
Date:
2025-08-13 07:23:03 UTC
Severity:
normal
Tags:
#1110876#5
Date:
2025-08-11 21:02:04 UTC
From:
To:
Hi,

/etc/subuid and /etc/subgid can be indexed either by login name or UID.
According to subuid(5), with large number of entries, it is recommended
to use UIDs.

sbuild assumes that these files are indexed by login name and does not
support the case where they are indexed by UIDs:

| $ id aurel32
| uid=1000(aurel32) gid=1000(aurel32) groups=1000(aurel32),20(dialout),27(sudo),46(plugdev)
| $ cat /etc/subuid
| 1000:100000:65536
| $ sbuild -d sid hello
| sbuild (Debian sbuild) 0.89.3 (07 June 2025) on xxxxx.xxx.xxx
|
| +==============================================================================+
| | hello (amd64)                                Mon, 11 Aug 2025 21:00:07 +0000 |
| +==============================================================================+
|
| Package: hello
| Distribution: sid
| Machine Architecture: amd64
| Host Architecture: amd64
| Build Architecture: amd64
| Build Type: any
|
| No entry for aurel32 in /etc/subuid
| invalid idmap
| E: Error creating chroot session: skipping hello
|
| +------------------------------------------------------------------------------+
| | Summary                                      Mon, 11 Aug 2025 21:00:07 +0000 |
| +------------------------------------------------------------------------------+
|
| Build Architecture: amd64
| Build Type: any
| Build-Space: 0
| Build-Time: 0
| Distribution: sid
| Fail-Stage: create-session
| Host Architecture: amd64
| Install-Time: 0
| Job: hello
| Machine Architecture: amd64
| Package: hello
| Package-Time: 0
| Space: 0
| Status: failed
| --------------------------------------------------------------------------------
| Finished at 2025-08-11T21:00:07Z
| Build needed 00:00:00, 0k disk space
| E: Error creating chroot session: skipping hello

Regards
Aurelien

#1110876#8
Date:
2025-08-11 22:46:10 UTC
From:
To:
Hi Aurel,

Quoting Aurelien Jarno (2025-08-11 23:02:04)

https://salsa.debian.org/debian/sbuild/-/merge_requests/197

Jochen: can you close this bug in that MR? Thank you!

cheers, josch

#1110876#13
Date:
2025-08-12 12:48:45 UTC
From:
To:
Hi,

Nope, i was curious about the possibility to use UIDs in subid/subgid
after looking at the changes done by pkern in userdir-ldap.

Thanks Jochen for working on that!

Regards
Aurelien

#1110876#16
Date:
2025-08-13 04:47:23 UTC
From:
To:
Hello,

Bug #1110876 in sbuild reported by you has been fixed in the
Git repository and is awaiting an upload. You can see the commit
message below and you can check the diff of the fix at:

https://salsa.debian.org/debian/sbuild/-/commit/8779a0219028757a8f85f758476ade43da875653
------------------------------------------------------------------------
Support UID in /etc/sub(u|g)id

Closes: #1110876
------------------------------------------------------------------------

(this message was generated automatically)
-- 
Greetings

https://bugs.debian.org/1110876

#1110876#23
Date:
2025-08-13 07:20:54 UTC
From:
To:
We believe that the bug you reported is fixed in the latest version of
sbuild, 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 1110876@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Jochen Sprickerhof <jspricke@debian.org> (supplier of updated sbuild 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)
Format: 1.8
Date: Wed, 13 Aug 2025 09:14:59 +0200
Source: sbuild
Architecture: source
Version: 0.90.0
Distribution: unstable
Urgency: medium
Maintainer: sbuild maintainers <sbuild@packages.debian.org>
Changed-By: Jochen Sprickerhof <jspricke@debian.org>
Closes: 1110876
Changes:
 sbuild (0.90.0) unstable; urgency=medium
 .
   [ Richard Lewis ]
   * man/sbuild.1.in: fix typo in markup
 .
   [ Andrea Pappacoda ]
   * d/control: drop dependency on gnupg from libsbuild-perl
 .
   [ Hiraku Toyooka ]
   * Allow BUILD_PATH being empty also in command line options
 .
   [ Jochen Sprickerhof ]
   * Support UID in /etc/sub(u|g)id (Closes: #1110876)
   * Explicitly select the sbuild-build-depends-main-dummy package arch
 .
   [ Chris Hofstaedtler ]
   * Switch default chroot_mode to unshare
Checksums-Sha1:
 37b7d52e3ca8de10139256a927cde9bc2ad15dc1 2700 sbuild_0.90.0.dsc
 6f7c31383c77ec8cd704370a1196cae50d846b30 263992 sbuild_0.90.0.tar.xz
Checksums-Sha256:
 891bae55b8cfa4d80ac6dcc981ba17112de39619cf252cef96c9dbf47cac18b2 2700 sbuild_0.90.0.dsc
 6b06a6e1f49994147132131c08debc5f83d02a1724d262d295657577d512eaf1 263992 sbuild_0.90.0.tar.xz
Files:
 66d078e26b2463db364930ae5b334e68 2700 devel optional sbuild_0.90.0.dsc
 7dde3965807f92c3ffbc5868b66a502e 263992 devel optional sbuild_0.90.0.tar.xz
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