Note: this bug report has two parts to it.
1. Snap issue: mkdir failing covered by bug 1951210 and fixed in
https://github.com/snapcore/snapd/pull/12127
2. apparmor module issue in the kernel, covered by patch in #18
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => John Johansen (jjohansen)
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https://bugs.launchpad.net/bugs/1991691
Title:
cannot change mount namespace
Status in Linux:
New
Status in linux package in Ubuntu:
Confirmed
Status in snapd package in Ubuntu:
Incomplete
Bug description:
Multiple snaps are either broken or "only" display permission denied
messages.
slack snap is not starting at all with:
> update.go:85: cannot change mount namespace according to change
mount (/run/user/1000/doc/by-app/snap.slack /run/user/1000/doc none
bind,rw,x-snapd.ignore-missing 0 0): cannot inspect
"/run/user/1000/doc": lstat /run/user/1000/doc: permission denied
firefox snap does start, but also logs errors:
update.go:85: cannot change mount namespace according to change mount
(/var/lib/snapd/hostfs/usr/share/doc /usr/share/doc none bind,ro 0 0): cannot
inspect "/var/lib/snapd/hostfs/usr/share/doc": lstat
/var/lib/snapd/hostfs/usr/share/doc: permission denied
update.go:85: cannot change mount namespace according to change mount
(/var/lib/snapd/hostfs/usr/share/fonts /usr/share/fonts none bind,ro 0 0):
cannot inspect "/var/lib/snapd/hostfs/usr/share/fonts": lstat
/var/lib/snapd/hostfs/usr/share/fonts: permission denied
update.go:85: cannot change mount namespace according to change mount
(/var/lib/snapd/hostfs/usr/local/share/fonts /usr/local/share/fonts none
bind,ro 0 0): cannot inspect "/usr/local/share/fonts": lstat
/usr/local/share/fonts: permission denied
update.go:85: cannot change mount namespace according to change mount
(/var/lib/snapd/hostfs/usr/share/cups/doc-root /usr/share/cups/doc-root none
bind,ro 0 0): cannot create directory "/usr/share/cups/doc-root": permission
denied
update.go:85: cannot change mount namespace according to change mount
(/var/lib/snapd/hostfs/usr/share/gimp/2.0/help /usr/share/gimp/2.0/help none
bind,ro 0 0): cannot create directory "/usr/share/gimp/2.0": permission denied
update.go:85: cannot change mount namespace according to change mount
(/var/lib/snapd/hostfs/usr/share/gtk-doc /usr/share/gtk-doc none bind,ro 0 0):
cannot inspect "/var/lib/snapd/hostfs/usr/share/gtk-doc": lstat
/var/lib/snapd/hostfs/usr/share/gtk-doc: permission denied
update.go:85: cannot change mount namespace according to change mount
(/var/lib/snapd/hostfs/usr/share/libreoffice/help /usr/share/libreoffice/help
none bind,ro 0 0): cannot create directory "/usr/share/libreoffice/help":
permission denied
update.go:85: cannot change mount namespace according to change mount
(/var/lib/snapd/hostfs/usr/share/xubuntu-docs /usr/share/xubuntu-docs none
bind,ro 0 0): cannot inspect "/var/lib/snapd/hostfs/usr/share/xubuntu-docs":
lstat /var/lib/snapd/hostfs/usr/share/xubuntu-docs: permission denied
update.go:85: cannot change mount namespace according to change mount
(/run/user/1000/doc/by-app/snap.firefox /run/user/1000/doc none
bind,rw,x-snapd.ignore-missing 0 0): cannot inspect "/run/user/1000/doc": lstat
/run/user/1000/doc: permission denied
ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: snap (not installed)
ProcVersionSignature: Ubuntu 5.19.0-19.19-generic 5.19.7
Uname: Linux 5.19.0-19-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.23.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: XFCE
Date: Tue Oct 4 17:29:01 2022
InstallationDate: Installed on 2017-09-26 (1834 days ago)
InstallationMedia: Ubuntu-Server 17.10 "Artful Aardvark" - Alpha amd64
(20170924)
SourcePackage: snap
UpgradeStatus: Upgraded to kinetic on 2022-05-22 (134 days ago)
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