[Touch-packages] [Bug 2055226] Re: mount option `users` blocks ntfs to mount
In the latest man pages I recently found: Since util-linux 2.35, mount does not exit when user permissions are inadequate according to libmount’s internal security rules. Instead, it drops suid permissions and continues as regular non-root user. This behavior supports use-cases where root permissions are not necessary (e.g., fuse filesystems, user namespaces, etc). With this new rule the "regression" concerning `mount` is explainable. So please add a link to this note at the description of the `user(s)` options. Still existing: The buggy behaviour with `udisksctl mount`. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to util-linux in Ubuntu. https://bugs.launchpad.net/bugs/2055226 Title: mount option `users` blocks ntfs to mount Status in util-linux package in Ubuntu: New Bug description: /etc/fstab: # /media/Sicherung was on /dev/sda7 during installation UUID=2510AA16624BB80C /media/Sicherung ntfs defaults,users,noauto,windows_names,hide_dot_files 0 0 $ gio mount -d /dev/sda7 gio: /dev/sda7: Error mounting system-managed device /dev/sda7: Unknown error when mounting /media/Sicherung $ udisksctl mount -b /dev/sda7 Error mounting /dev/sda7: GDBus.Error:org.freedesktop.UDisks2.Error.Failed: Error mounting system-managed device /dev/sda7: Unknown error when mounting /media/Sicherung $ journalctl -b 0 -u udisks2.service Feb 27 23:48:51 T500 udisksd[10478]: Error opening read-only '/dev/sda7': Keine Berechtigung Feb 27 23:48:51 T500 udisksd[10478]: Failed to mount '/dev/sda7': Keine Berechtigung Feb 27 23:48:51 T500 udisksd[10478]: Please check '/dev/sda7' and the ntfs-3g binary permissions, Feb 27 23:48:51 T500 udisksd[10478]: and the mounting user ID. More explanation is provided at Feb 27 23:48:51 T500 udisksd[10478]: https://github.com/tuxera/ntfs-3g/wiki/NTFS-3G-FAQ This worked fine until Ubuntu 20.04, but since 22.04 I have these errors. Additionally, mount option `users` does not, what it should do: $ LC_ALL=C mount /media/Sicherung Error opening read-only '/dev/sda7': Permission denied Failed to mount '/dev/sda7': Permission denied Please check '/dev/sda7' and the ntfs-3g binary permissions, and the mounting user ID. More explanation is provided at https://github.com/tuxera/ntfs-3g/wiki/NTFS-3G-FAQ When removing `users` from /etc/fstab, it works fine: $ gio mount -d /dev/sda7 $ LC_ALL=C journalctl -b 0 -u udisks2.service Feb 28 00:05:31 T500 ntfs-3g[10977]: Version 2021.8.22 integrated FUSE 28 Feb 28 00:05:31 T500 ntfs-3g[10977]: Mounted /dev/sda7 (Read-Write, label "Sicherung", NTFS 3.1) Feb 28 00:05:31 T500 ntfs-3g[10977]: Cmdline options: rw,windows_names,hide_dot_files Feb 28 00:05:31 T500 ntfs-3g[10977]: Mount options: allow_other,nonempty,relatime,rw,fsname=/dev/sda7,blkdev,blksize=4096 Feb 28 00:05:31 T500 ntfs-3g[10977]: Ownership and permissions disabled, configuration type 7 Feb 28 00:05:31 T500 udisksd[583]: Mounted /dev/sda7 (system) at /media/Sicherung on behalf of uid 1000 So it seems, that option `users` virtually effectuates the opposite, than it is supposed to do. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/2055226/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 2055226] Re: mount option `users` blocks ntfs to mount
Both options and a third exist. Extract from man mount in section FILESYSTEM-INDEPENDENT MOUNT OPTIONS: user Allow an ordinary user to mount the filesystem. The name of the mounting user is written to the mtab file (or to the private libmount file in /run/mount on systems without a regular mtab) so that this same user can unmount the filesystem again. This option implies the options noexec, nosuid, and nodev (unless overridden by subsequent options, as in the option line user,exec,dev,suid). nouser Forbid an ordinary user to mount the filesystem. This is the default; it does not imply any other options. users Allow any user to mount and to unmount the filesystem, even when some other ordinary user mounted it. This option implies the options noexec, nosuid, and nodev (unless overridden by subsequent options, as in the option line users,exec,dev,suid). gio mount is the command line variant to simulate a mount by a GUI tool like Nautilus, just used to get the error message. gio invokes udiskctl under the hood. ** Changed in: util-linux (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to util-linux in Ubuntu. https://bugs.launchpad.net/bugs/2055226 Title: mount option `users` blocks ntfs to mount Status in util-linux package in Ubuntu: New Bug description: /etc/fstab: # /media/Sicherung was on /dev/sda7 during installation UUID=2510AA16624BB80C /media/Sicherung ntfs defaults,users,noauto,windows_names,hide_dot_files 0 0 $ gio mount -d /dev/sda7 gio: /dev/sda7: Error mounting system-managed device /dev/sda7: Unknown error when mounting /media/Sicherung $ udisksctl mount -b /dev/sda7 Error mounting /dev/sda7: GDBus.Error:org.freedesktop.UDisks2.Error.Failed: Error mounting system-managed device /dev/sda7: Unknown error when mounting /media/Sicherung $ journalctl -b 0 -u udisks2.service Feb 27 23:48:51 T500 udisksd[10478]: Error opening read-only '/dev/sda7': Keine Berechtigung Feb 27 23:48:51 T500 udisksd[10478]: Failed to mount '/dev/sda7': Keine Berechtigung Feb 27 23:48:51 T500 udisksd[10478]: Please check '/dev/sda7' and the ntfs-3g binary permissions, Feb 27 23:48:51 T500 udisksd[10478]: and the mounting user ID. More explanation is provided at Feb 27 23:48:51 T500 udisksd[10478]: https://github.com/tuxera/ntfs-3g/wiki/NTFS-3G-FAQ This worked fine until Ubuntu 20.04, but since 22.04 I have these errors. Additionally, mount option `users` does not, what it should do: $ LC_ALL=C mount /media/Sicherung Error opening read-only '/dev/sda7': Permission denied Failed to mount '/dev/sda7': Permission denied Please check '/dev/sda7' and the ntfs-3g binary permissions, and the mounting user ID. More explanation is provided at https://github.com/tuxera/ntfs-3g/wiki/NTFS-3G-FAQ When removing `users` from /etc/fstab, it works fine: $ gio mount -d /dev/sda7 $ LC_ALL=C journalctl -b 0 -u udisks2.service Feb 28 00:05:31 T500 ntfs-3g[10977]: Version 2021.8.22 integrated FUSE 28 Feb 28 00:05:31 T500 ntfs-3g[10977]: Mounted /dev/sda7 (Read-Write, label "Sicherung", NTFS 3.1) Feb 28 00:05:31 T500 ntfs-3g[10977]: Cmdline options: rw,windows_names,hide_dot_files Feb 28 00:05:31 T500 ntfs-3g[10977]: Mount options: allow_other,nonempty,relatime,rw,fsname=/dev/sda7,blkdev,blksize=4096 Feb 28 00:05:31 T500 ntfs-3g[10977]: Ownership and permissions disabled, configuration type 7 Feb 28 00:05:31 T500 udisksd[583]: Mounted /dev/sda7 (system) at /media/Sicherung on behalf of uid 1000 So it seems, that option `users` virtually effectuates the opposite, than it is supposed to do. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/2055226/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 2055226] Re: mount option `users` blocks ntfs to mount
Hello, thanks for the report; note that the fstab(5) and mount(8) man pages both say "user", singular, not "users", plural. That's probably why your mount command didn't work when run as a user. I don't know about the gio or udisksctl tool errors, I'm unfamiliar with their operation. Maybe they were also looking for "user"? Thanks ** Information type changed from Private Security to Public ** Changed in: util-linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to util-linux in Ubuntu. https://bugs.launchpad.net/bugs/2055226 Title: mount option `users` blocks ntfs to mount Status in util-linux package in Ubuntu: Incomplete Bug description: /etc/fstab: # /media/Sicherung was on /dev/sda7 during installation UUID=2510AA16624BB80C /media/Sicherung ntfs defaults,users,noauto,windows_names,hide_dot_files 0 0 $ gio mount -d /dev/sda7 gio: /dev/sda7: Error mounting system-managed device /dev/sda7: Unknown error when mounting /media/Sicherung $ udisksctl mount -b /dev/sda7 Error mounting /dev/sda7: GDBus.Error:org.freedesktop.UDisks2.Error.Failed: Error mounting system-managed device /dev/sda7: Unknown error when mounting /media/Sicherung $ journalctl -b 0 -u udisks2.service Feb 27 23:48:51 T500 udisksd[10478]: Error opening read-only '/dev/sda7': Keine Berechtigung Feb 27 23:48:51 T500 udisksd[10478]: Failed to mount '/dev/sda7': Keine Berechtigung Feb 27 23:48:51 T500 udisksd[10478]: Please check '/dev/sda7' and the ntfs-3g binary permissions, Feb 27 23:48:51 T500 udisksd[10478]: and the mounting user ID. More explanation is provided at Feb 27 23:48:51 T500 udisksd[10478]: https://github.com/tuxera/ntfs-3g/wiki/NTFS-3G-FAQ This worked fine until Ubuntu 20.04, but since 22.04 I have these errors. Additionally, mount option `users` does not, what it should do: $ LC_ALL=C mount /media/Sicherung Error opening read-only '/dev/sda7': Permission denied Failed to mount '/dev/sda7': Permission denied Please check '/dev/sda7' and the ntfs-3g binary permissions, and the mounting user ID. More explanation is provided at https://github.com/tuxera/ntfs-3g/wiki/NTFS-3G-FAQ When removing `users` from /etc/fstab, it works fine: $ gio mount -d /dev/sda7 $ LC_ALL=C journalctl -b 0 -u udisks2.service Feb 28 00:05:31 T500 ntfs-3g[10977]: Version 2021.8.22 integrated FUSE 28 Feb 28 00:05:31 T500 ntfs-3g[10977]: Mounted /dev/sda7 (Read-Write, label "Sicherung", NTFS 3.1) Feb 28 00:05:31 T500 ntfs-3g[10977]: Cmdline options: rw,windows_names,hide_dot_files Feb 28 00:05:31 T500 ntfs-3g[10977]: Mount options: allow_other,nonempty,relatime,rw,fsname=/dev/sda7,blkdev,blksize=4096 Feb 28 00:05:31 T500 ntfs-3g[10977]: Ownership and permissions disabled, configuration type 7 Feb 28 00:05:31 T500 udisksd[583]: Mounted /dev/sda7 (system) at /media/Sicherung on behalf of uid 1000 So it seems, that option `users` virtually effectuates the opposite, than it is supposed to do. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/2055226/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
