Public bug reported:
OS: Ubuntu 16.04.4
uname -a: Linux localhost 4.15.12-x86_64-linode105 #1 SMP Thu Mar 22
02:13:40 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
cryptsetup version: 1.6.6-5ubuntu2.1
/etc/crypttab line:
ctmp /dev/sdc /dev/urandom tmp
/etc/fstab line:
/dev/mapper/ctmp /tmp ext2 defaults,noatime,nofail 0 0
/usr/lib/tmpfiles.d/tmp.conf line (unchanged)
D /tmp 1777 root root -
Problem: after OS boots up, the permissions for /tmp are set to 755,
which breaks a number of services.
If I umount /tmp, permissions for it are 1777, as expected. If I set
permissions 1777 for mounted /tmp and reboot the system, it's again 755.
** Affects: cryptsetup (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1760899
Title:
Encrypted /tmp gets invalid access rights
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