config: whitelist lxc.cgroup2 raw keys

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

diff --git a/src/PVE/LXC/Config.pm b/src/PVE/LXC/Config.pm
index 000a4a2e5d8891e5086bd59037480f12dbfdf939..1443f8739d10fe165b8bf5004324a5bca3f15bed 100644 (file)
--- a/src/PVE/LXC/Config.pm
+++ b/src/PVE/LXC/Config.pm
@@ -606,7 +606,7 @@ sub is_valid_lxc_conf_key {
     }
     my $validity = $valid_lxc_conf_keys->{$key};
     return $validity if defined($validity);
-    return 1 if $key =~ /^lxc\.cgroup\./  # allow all cgroup values
+    return 1 if $key =~ /^lxc\.cgroup2?\./  # allow all cgroup values
              || $key =~ /^lxc\.prlimit\./ # allow all prlimits
              || $key =~ /^lxc\.net\./;    # allow custom network definitions
     return 0;