This bug was fixed in the package apparmor - 4.1.0~beta5-0ubuntu4
---------------
apparmor (4.1.0~beta5-0ubuntu4) plucky; urgency=medium
* Add patch to fix sbuild unshare breakage caused by the new
unshare-userns-restrict profile (LP: #2098906)
- d/p/u/sbuild_mr_1555.patch
apparmor (4.1.0~beta5-0ubuntu3) plucky; urgency=medium
* Add patch to address AppArmor denial logs reported in LP: #2098838:
- d/p/u/wpa_supplicant_profile_fixup.patch
* debian/apparmor.install: remove wpa_supplicant profile from default
install
* debian/apparmor-profiles.install: place wpa_supplicant profile in
extra-profiles
-- Ryan Lee <ryan....@canonical.com> Wed, 19 Feb 2025 16:24:56 -0800
** Changed in: apparmor (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2098906
Title:
apparmor breaks sbuild with unshare on plucky
Status in apparmor package in Ubuntu:
Fix Released
Bug description:
After today's apparmor updates and restarting my computer, I can no
longer use sbuild's unshare backend. This breaks the (newly)
recommended way to build .deb packages locally from Ubuntu 25.04. (See
https://lists.ubuntu.com/archives/ubuntu-
devel/2024-December/043193.html )
Journal excerpt
======
Feb 19 17:24:29 kernel: audit: type=1400 audit: apparmor="AUDIT"
operation="exec" class="file" info="ix fallback" profile="unshare"
name="/usr/bin/newuidmap" pid=10846 comm="unshare" requested_mask="x"
fsuid=1000 ouid=0 target="unpriv_unshare//&unshare"
Feb 19 17:24:29 kernel: audit: type=1400 audit: apparmor="DENIED"
operation="capable" class="cap" profile="unpriv_unshare" comm="newuidmap"
capability=1 capname="dac_override"
ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: apparmor 4.1.0~beta5-0ubuntu2
ProcVersionSignature: Ubuntu 6.12.0-15.15-generic 6.12.11
Uname: Linux 6.12.0-15-generic x86_64
ApportVersion: 2.31.0-0ubuntu5
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Feb 19 17:25:41 2025
InstallationDate: Installed on 2024-04-12 (313 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Beta amd64 (20240410.2)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-6.12.0-15-generic
root=UUID=7a431ed1-30e4-4377-bb6e-1f81480f31ba ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
vt.handoff=7
SourcePackage: apparmor
UpgradeStatus: Upgraded to plucky on 2024-12-18 (63 days ago)
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