Don't support cgroupns on cgroups v1

Fixes moby#4108 Signed-off-by: Mark Yen <mark.yen@suse.com>
nxmatic · Dec 3, 2023 · 785037b · 785037b
1 parent 909e746
commit 785037b
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/executor/oci/spec_linux.go b/executor/oci/spec_linux.go
@@ -150,9 +150,13 @@ func getTracingSocket() string {
 
 func cgroupNamespaceSupported() bool {
 	cgroupNSOnce.Do(func() {
-		if _, err := os.Stat("/proc/self/ns/cgroup"); !os.IsNotExist(err) {
-			supportsCgroupNS = true
+		if _, err := os.Stat("/proc/self/ns/cgroup"); os.IsNotExist(err) {
+			return
 		}
+		if _, err := os.Stat("/sys/fs/cgroup/cgroup.subtree_control"); os.IsNotExist(err) {
+			return
+		}
+		supportsCgroupNS = true
 	})
 	return supportsCgroupNS
 }