1 files changed, 7 insertions, 1 deletions
diff --git a/examples/unschroot_fs.py b/examples/unschroot_fs.py
index d5f67b0..fbc9bfc 100755
--- a/examples/unschroot_fs.py
+++ b/examples/unschroot_fs.py
@@ -421,7 +421,13 @@ def do_run_session(args: argparse.Namespace) -> None:
                 args.command.append("bash")
             # Wait until Python has handed off to Perl.
             os.read(rfd, 1)
-            os.execvp(args.command[0], args.command)
+            try:
+                os.execvp(args.command[0], args.command)
+            except OSError as err:
+                print(
+                    f"failed to exec {args.command[0]}: {err}", file=sys.stderr
+                )
+                os._exit(127)
         else:
             rfd.close()
             linuxnamespaces.prctl_set_pdeathsig(signal.SIGKILL)