diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2
--- a/lib/libc/sys/execve.2
+++ b/lib/libc/sys/execve.2
@@ -28,7 +28,7 @@
 .\"     @(#)execve.2	8.5 (Berkeley) 6/1/94
 .\" $FreeBSD$
 .\"
-.Dd March 30, 2020
+.Dd January 26, 2022
 .Dt EXECVE 2
 .Os
 .Sh NAME
@@ -273,6 +273,9 @@
 The new process file is not an ordinary file.
 .It Bq Er EACCES
 The new process file mode denies execute permission.
+.It Bq Er EINVAL
+.Fa argv
+did not contain at least one element.
 .It Bq Er ENOEXEC
 The new process file has the appropriate access
 permission, but has an invalid magic number in its header.
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -356,6 +356,12 @@
 	    exec_args_get_begin_envv(args) - args->begin_argv);
 	AUDIT_ARG_ENVV(exec_args_get_begin_envv(args), args->envc,
 	    args->endp - exec_args_get_begin_envv(args));
+
+	/* Must have at least one argument. */
+	if (args->argc == 0) {
+		exec_free_args(args);
+		return (EINVAL);
+	}
 	return (do_execve(td, args, mac_p, oldvmspace));
 }