[release/1.6 backport] oci: WithDefaultUnixDevices(): remove tun/tap from the default devices #7268
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A container should not have access to tun/tap device, unless it is explicitly specified in configuration. This device was already removed from docker's default, and runc's default; - opencontainers/runc@2ce40b6 - https://github.com/moby/moby//commit/9c4570a958df42d1ad19364b1a8da55b891d850a Per the commit message in runc, this should also fix these messages; > Apr 26 03:46:56 foo.bar systemd[1]: Couldn't stat device /dev/char/10:200: No such file or directory coming from systemd on every container start, when the systemd cgroup driver is used, and the system runs an old (< v240) version of systemd (the message was presumably eliminated by [1]). [1]: systemd/systemd@d5aecba Signed-off-by: Sebastiaan van Stijn <github@gone.nl> (cherry picked from commit a3ac156) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This was referenced Aug 8, 2022
mxpv
approved these changes
Aug 8, 2022
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A container should not have access to tun/tap device, unless it is explicitly
specified in configuration.
This device was already removed from docker's default, and runc's default;
Per the commit message in runc, this should also fix these messages;
coming from systemd on every container start, when the systemd cgroup driver
is used, and the system runs an old (< v240) version of systemd
(the message was presumably eliminated by 1).
(cherry picked from commit a3ac156)