xorg: check if Xauthority mount point was created

and print more meaningful error message

1 files changed, 6 insertions, 1 deletions

diff --git a/src/firejail/x11.c b/src/firejail/x11.c
index c30ab5956..a59ee3ffb 100644
--- a/src/firejail/x11.c
+++ b/src/firejail/x11.c
@@ -1171,8 +1171,13 @@ void x11_xorg(void) {
         char *dest;
         if (asprintf(&dest, "%s/.Xauthority", cfg.homedir) == -1)
                 errExit("asprintf");
-        if (lstat(dest, &s) == -1)
+        if (lstat(dest, &s) == -1) {
                 touch_file_as_user(dest, 0600);
+                if (stat(dest, &s) == -1) {
+                        fprintf(stderr, "Error: cannot create %s\n", dest);
+                        exit(1);
+                }
+        }
 
         // get a file descriptor for .Xauthority
         fd = safe_fd(dest, O_PATH|O_NOFOLLOW|O_CLOEXEC);