[src/trunk]: src/tests/kernel Add new tests eventmask[34] in t_ptrace_wait{, 3...

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

details:   https://anonhg.NetBSD.org/src/rev/da4e1dff4630
branches:  trunk
changeset: 820738:da4e1dff4630
user:      kamil <kamil%NetBSD.org@localhost>
date:      Sat Jan 14 04:37:55 2017 +0000

description:
Add new tests eventmask[34] in t_ptrace_wait{,3,4,6,id,pid}

eventmask3:
    Verify that PTRACE_VFORK in EVENT_MASK is preserved

eventmask4:
    Verify that PTRACE_VFORK_DONE in EVENT_MASK is preserved

Currently eventmask3 is failing and marked with PR kern/51630

Sponsored by <The NetBSD Foundation>

diffstat:

 tests/kernel/t_ptrace_wait.c |  118 ++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 116 insertions(+), 2 deletions(-)

diffs (146 lines):

diff -r 4e690a512ad3 -r da4e1dff4630 tests/kernel/t_ptrace_wait.c
--- a/tests/kernel/t_ptrace_wait.c      Sat Jan 14 03:59:58 2017 +0000
+++ b/tests/kernel/t_ptrace_wait.c      Sat Jan 14 04:37:55 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_ptrace_wait.c,v 1.57 2017/01/13 23:22:12 kamil Exp $ */
+/*     $NetBSD: t_ptrace_wait.c,v 1.58 2017/01/14 04:37:55 kamil Exp $ */
 
 /*-
  * Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.57 2017/01/13 23:22:12 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.58 2017/01/14 04:37:55 kamil Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -1072,6 +1072,118 @@
        TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
 }
 
+ATF_TC(eventmask3);
+ATF_TC_HEAD(eventmask3, tc)
+{
+       atf_tc_set_md_var(tc, "descr",
+           "Verify that PTRACE_VFORK in EVENT_MASK is preserved");
+}
+
+ATF_TC_BODY(eventmask3, tc)
+{
+       const int exitval = 5;
+       const int sigval = SIGSTOP;
+       pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+       int status;
+#endif
+       ptrace_event_t set_event, get_event;
+       const int len = sizeof(ptrace_event_t);
+
+       atf_tc_expect_fail("PR kern/51630");
+
+       printf("Before forking process PID=%d\n", getpid());
+       ATF_REQUIRE((child = fork()) != -1);
+       if (child == 0) {
+               printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+               FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+               printf("Before raising %s from child\n", strsignal(sigval));
+               FORKEE_ASSERT(raise(sigval) == 0);
+
+               printf("Before exiting of the child process\n");
+               _exit(exitval);
+       }
+       printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+       printf("Before calling %s() for the child\n", TWAIT_FNAME);
+       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+       validate_status_stopped(status, sigval);
+
+       set_event.pe_set_event = PTRACE_VFORK;
+       ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
+       ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
+       ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
+
+       printf("Before resuming the child process where it left off and "
+           "without signal to be sent\n");
+       ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+       printf("Before calling %s() for the child\n", TWAIT_FNAME);
+       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+       validate_status_exited(status, exitval);
+
+       printf("Before calling %s() for the child\n", TWAIT_FNAME);
+       TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(eventmask4);
+ATF_TC_HEAD(eventmask4, tc)
+{
+       atf_tc_set_md_var(tc, "descr",
+           "Verify that PTRACE_VFORK_DONE in EVENT_MASK is preserved");
+}
+
+ATF_TC_BODY(eventmask4, tc)
+{
+       const int exitval = 5;
+       const int sigval = SIGSTOP;
+       pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+       int status;
+#endif
+       ptrace_event_t set_event, get_event;
+       const int len = sizeof(ptrace_event_t);
+
+       printf("Before forking process PID=%d\n", getpid());
+       ATF_REQUIRE((child = fork()) != -1);
+       if (child == 0) {
+               printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+               FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+               printf("Before raising %s from child\n", strsignal(sigval));
+               FORKEE_ASSERT(raise(sigval) == 0);
+
+               printf("Before exiting of the child process\n");
+               _exit(exitval);
+       }
+       printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+       printf("Before calling %s() for the child\n", TWAIT_FNAME);
+       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+       validate_status_stopped(status, sigval);
+
+       set_event.pe_set_event = PTRACE_VFORK_DONE;
+       ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
+       ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
+       ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
+
+       printf("Before resuming the child process where it left off and "
+           "without signal to be sent\n");
+       ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+       printf("Before calling %s() for the child\n", TWAIT_FNAME);
+       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+       validate_status_exited(status, exitval);
+
+       printf("Before calling %s() for the child\n", TWAIT_FNAME);
+       TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
 #if defined(TWAIT_HAVE_PID)
 ATF_TC(fork1);
 ATF_TC_HEAD(fork1, tc)
@@ -5193,6 +5305,8 @@
 
        ATF_TP_ADD_TC(tp, eventmask1);
        ATF_TP_ADD_TC(tp, eventmask2);
+       ATF_TP_ADD_TC(tp, eventmask3);
+       ATF_TP_ADD_TC(tp, eventmask4);
 
        ATF_TP_ADD_TC_HAVE_PID(tp, fork1);
        ATF_TP_ADD_TC(tp, fork2);