specgen, rootless: raise error with --device-cgroup-rule

we were silently ignoring --device-cgroup-rule in rootless mode.  Make
sure an error is returned if the user tries to use it.

Closes: https://github.com/containers/podman/issues/18698

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2023-06-26 17:09:55 +02:00
parent 0357881075
commit 0220f33384
2 changed files with 8 additions and 1 deletions

View File

@ -255,6 +255,9 @@ func SpecGenToOCI(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runt
s.HostDeviceList = userDevices
// set the devices cgroup when not running in a user namespace
if isRootless && len(s.DeviceCgroupRule) > 0 {
return nil, fmt.Errorf("device cgroup rules are not supported in rootless mode or in a user namespace")
}
if !inUserNS && !s.Privileged {
for _, dev := range s.DeviceCgroupRule {
g.AddLinuxResourcesDevice(true, dev.Type, dev.Major, dev.Minor, dev.Access)

View File

@ -746,7 +746,11 @@ EOF
}
@test "podman run --device-cgroup-rule tests" {
skip_if_rootless "cannot add devices in rootless mode"
if is_rootless; then
run_podman 125 run --device-cgroup-rule="b 7:* rmw" --rm $IMAGE
is "$output" "Error: device cgroup rules are not supported in rootless mode or in a user namespace"
return
fi
run_podman run --device-cgroup-rule="b 7:* rmw" --rm $IMAGE
run_podman run --device-cgroup-rule="c 7:* rmw" --rm $IMAGE