[src/trunk]: src/tests/kernel Add new test attach_self in t_ptrace

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2293ba736a76
branches:  trunk
changeset: 818945:2293ba736a76
user:      kamil <kamil%NetBSD.org@localhost>
date:      Tue Nov 08 11:21:41 2016 +0000

description:
Add new test attach_self in t_ptrace

Assert that a debugger cannot attach to self (as it's nonsense).
NetBSD returs here EINVAL.

Clean up unused header includes.

Sponsored by <The NetBSD Foundation>.

diffstat:

 tests/kernel/t_ptrace.c |  22 +++++++++++++++-------
 1 files changed, 15 insertions(+), 7 deletions(-)

diffs (54 lines):

diff -r 0d6cf3779b39 -r 2293ba736a76 tests/kernel/t_ptrace.c
--- a/tests/kernel/t_ptrace.c   Tue Nov 08 10:37:39 2016 +0000
+++ b/tests/kernel/t_ptrace.c   Tue Nov 08 11:21:41 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_ptrace.c,v 1.13 2016/11/07 21:09:03 kamil Exp $      */
+/*     $NetBSD: t_ptrace.c,v 1.14 2016/11/08 11:21:41 kamil Exp $      */
 
 /*-
  * Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -27,19 +27,14 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace.c,v 1.13 2016/11/07 21:09:03 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace.c,v 1.14 2016/11/08 11:21:41 kamil Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/ptrace.h>
-#include <sys/sysctl.h>
 #include <sys/wait.h>
 #include <err.h>
 #include <errno.h>
-#include <signal.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
 #include <unistd.h>
 
 #include <atf-c.h>
@@ -97,10 +92,23 @@
        ATF_REQUIRE_ERRNO(EPERM, ptrace(PT_ATTACH, 1, NULL, 0) == -1);
 }
 
+ATF_TC(attach_self);
+ATF_TC_HEAD(attach_self, tc)
+{
+       atf_tc_set_md_var(tc, "descr",
+           "Assert that a debugger cannot attach to self (as it's nonsense)");
+}
+
+ATF_TC_BODY(attach_self, tc)
+{
+       ATF_REQUIRE_ERRNO(EINVAL, ptrace(PT_ATTACH, getpid(), NULL, 0) == -1);
+}
+
 ATF_TP_ADD_TCS(tp)
 {
        ATF_TP_ADD_TC(tp, attach_pid0);
        ATF_TP_ADD_TC(tp, attach_pid1);
+       ATF_TP_ADD_TC(tp, attach_self);
 
        return atf_no_error();
 }