Fix the issue of subsystem controller files not being present when Ca…

…lico is present Signed-off-by: seraphGod <[email protected]>
falcosecurity · Aug 8, 2024 · e98c999 · e98c999
1 parent a118b0f
commit e98c999
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/userspace/libscap/linux/scap_cgroup.c b/userspace/libscap/linux/scap_cgroup.c
@@ -496,6 +496,11 @@ static int32_t get_cgroup_subsystems_v2(struct scap_cgroup_interface* cgi, struc
 
 	char line[SCAP_MAX_PATH_SIZE];
 	snprintf(line, sizeof(line), "%s/cgroup.controllers", cgroup_mount);
+	if (access(line, F_OK) == -1) {
+                // If the file does not exist, return success. Skip
+                return SCAP_SUCCESS;
+        }
+
 	FILE* cgroup_controllers = fopen(line, "r");
 	if(!cgroup_controllers)
 	{