[Bug 1836461] [NEW] DirectoryMode is not considered in systemd automount

[matador]

Public bug reported:

With the following systemd mount unit file

[Unit]
Description=Additional drive

[Mount]
What=/dev/disk/by-label/some-label
Where=/media/disk-with-some-label
DirectoryMode=0777

[Install]
WantedBy=multi-user.target

and the following automount unit file

[Unit]
Description=Automount Additional Drive

[Automount]
Where=/media/disk-with-some-label
DirectoryMode=0777

[Install]
WantedBy=multi-user.target

If I do 
systemctl start <unit-file-name-of-automount-unitfile>

and check the permissions on /media/disk-with-some-label it is 0755 instead of 0777. I checked that 
/media/disk-with-some-label did not exist before starting the service.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: systemd 237-3ubuntu10.24
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Jul 13 22:58:08 2019
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 04f2:b5ee Chicony Electronics Co., Ltd 
 Bus 001 Device 002: ID 058f:6387 Alcor Micro Corp. Flash Drive
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: HP HP ZBook 15 G5
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-43-generic root=/dev/mapper/ubuntu--notebook--vg-root ro nomodeset nosplash
SourcePackage: systemd
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/07/2018
dmi.bios.vendor: HP
dmi.bios.version: Q70 Ver. 01.01.05
dmi.board.name: 842A
dmi.board.vendor: HP
dmi.board.version: KBC Version 15.2B.00
dmi.chassis.asset.tag: 5CD8394RP8
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.modalias: dmi:bvnHP:bvrQ70Ver.01.01.05:bd08/07/2018:svnHP:pnHPZBook15G5:pvr:rvnHP:rn842A:rvrKBCVersion15.2B.00:cvnHP:ct10:cvr:
dmi.product.family: 103C_5336AN HP ZBook 15
dmi.product.name: HP ZBook 15 G5
dmi.sys.vendor: HP

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1836461

Title:
  DirectoryMode is not considered in systemd automount

Status in systemd package in Ubuntu:
  New

Bug description:
  With the following systemd mount unit file

  [Unit]
  Description=Additional drive

  [Mount]
  What=/dev/disk/by-label/some-label
  Where=/media/disk-with-some-label
  DirectoryMode=0777

  [Install]
  WantedBy=multi-user.target

  and the following automount unit file

  [Unit]
  Description=Automount Additional Drive

  [Automount]
  Where=/media/disk-with-some-label
  DirectoryMode=0777

  [Install]
  WantedBy=multi-user.target

  If I do 
  systemctl start <unit-file-name-of-automount-unitfile>

  and check the permissions on /media/disk-with-some-label it is 0755 instead of 0777. I checked that 
  /media/disk-with-some-label did not exist before starting the service.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: systemd 237-3ubuntu10.24
  ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
  Uname: Linux 4.15.0-43-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Jul 13 22:58:08 2019
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 04f2:b5ee Chicony Electronics Co., Ltd 
   Bus 001 Device 002: ID 058f:6387 Alcor Micro Corp. Flash Drive
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: HP HP ZBook 15 G5
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-43-generic root=/dev/mapper/ubuntu--notebook--vg-root ro nomodeset nosplash
  SourcePackage: systemd
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/07/2018
  dmi.bios.vendor: HP
  dmi.bios.version: Q70 Ver. 01.01.05
  dmi.board.name: 842A
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 15.2B.00
  dmi.chassis.asset.tag: 5CD8394RP8
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.modalias: dmi:bvnHP:bvrQ70Ver.01.01.05:bd08/07/2018:svnHP:pnHPZBook15G5:pvr:rvnHP:rn842A:rvrKBCVersion15.2B.00:cvnHP:ct10:cvr:
  dmi.product.family: 103C_5336AN HP ZBook 15
  dmi.product.name: HP ZBook 15 G5
  dmi.sys.vendor: HP

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