should you not be using /tmp for that rather that /dev/shm? I think /tmp should be set up as a tmpfs and will then not persist across reboots. /var/tmp is for tmp space that needs to persist across reboots.
On Thu, Jan 23, 2020 at 2:36 PM Thorsten Glaser <t...@mirbsd.de> wrote: > Package: elogind > Version: 241.3-1+debian2 > Severity: critical > Justification: breaks unrelated software > > I’m using a scheme in which I store ssh-agent and gpg-agent information > across all logins (local X session or ssh or xrdp) under /dev/shm/ since > I needed space that an unprivileged user can use and that doesn’t persist > across reboots. > > Since installing elogind, logging out from SSH sessions then on again > both breaks gpg-agent as well as makes ssh-agent instances multiply and, > thus, lose their loaded keys to the user. > > Tons of searching and debugging eventuall led me, with strace as root on > it, to the culprit: elogind > > lrwxrwxrwx 1 root root 0 Jan 23 20:21 /proc/3061/exe -> > /lib/elogind/elogind* > > 3061 unlinkat(22, "info2", 0) = 0 > 3061 unlinkat(21, ".ssh-2339", AT_REMOVEDIR) = 0 > > > Cease that instantly. This breaks unrelated software on the system, > considering that the user’s processes are still running, even if they > logged out from all ssh sessions. In particular, this will also break > software that runs as the user, dæmonised, that uses shared memory. > > If you have to clean up after yourselves, keep a list and track of the > files you created and will later need to delete. > > It might be a good idea to see whether systemd does the same and, if > so, clone this bugreport and assign the clone to them. I’m not running > systemd, so I can’t do that myself easily. > > -- System Information: > Debian Release: bullseye/sid > APT prefers unreleased > APT policy: (500, 'unreleased'), (500, 'buildd-unstable'), (500, > 'unstable'), (100, 'experimental') > Architecture: x32 (x86_64) > Foreign Architectures: i386, amd64 > > Kernel: Linux 5.4.0-2-amd64 (SMP w/4 CPU cores) > Kernel taint flags: TAINT_FIRMWARE_WORKAROUND > Locale: LANG=C, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=C > (charmap=UTF-8) > Shell: /bin/sh linked to /bin/lksh > Init: sysvinit (via /sbin/init) > > Versions of packages elogind depends on: > ii dbus 1.12.16-2 > ii debconf 1.5.73 > ii libacl1 2.2.53-5 > ii libc6 2.29-9 > ii libcap2 1:2.27-1 > ii libelogind0 241.3-1+debian2 > ii libselinux1 3.0-1 > ii libudev1 244-3 > ii lsb-base 11.1.0 > > Versions of packages elogind recommends: > ii libpam-elogind 241.3-1+debian2 > ii policykit-1 0.105-26 > > elogind suggests no packages. > > -- no debconf information >
