1 files changed, 2 insertions, 0 deletions

diff --git a/src/firejail/cgroup.c b/src/firejail/cgroup.c
index 4d64d3fd8..9e6a2e549 100644
--- a/src/firejail/cgroup.c
+++ b/src/firejail/cgroup.c
@@ -78,6 +78,8 @@ errout:
 
 
 void set_cgroup(const char *path) {
+        invalid_filename(path);
+        
         // path starts with /sys/fs/cgroup
         if (strncmp(path, "/sys/fs/cgroup", 14) != 0)
                 goto errout;