1 files changed, 8 insertions, 0 deletions

diff --git a/src/firejail/fs.c b/src/firejail/fs.c
index 1f0ccac1a..7b5200d1c 100644
--- a/src/firejail/fs.c
+++ b/src/firejail/fs.c
@@ -535,6 +535,14 @@ void fs_remount(const char *dir, OPERATION op, unsigned check_mnt) {
 
 void fs_remount_rec(const char *dir, OPERATION op, unsigned check_mnt) {
         assert(dir);
+        struct stat s;
+        if (stat(dir, &s) != 0)
+                return;
+        if (!S_ISDIR(s.st_mode)) {
+                // no need to search in /proc/self/mountinfo for submounts if not a directory
+                fs_remount(dir, op, check_mnt);
+                return;
+        }
         // get mount point of the directory
         int mountid = get_mount_id(dir);
         if (mountid == -1)