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Diffstat (limited to 'contrib/netbsd-tests/kernel/t_ptrace_wait.c')
-rw-r--r--contrib/netbsd-tests/kernel/t_ptrace_wait.c320
1 files changed, 311 insertions, 9 deletions
diff --git a/contrib/netbsd-tests/kernel/t_ptrace_wait.c b/contrib/netbsd-tests/kernel/t_ptrace_wait.c
index e502a034eb1be..b1b4d1bef2c24 100644
--- a/contrib/netbsd-tests/kernel/t_ptrace_wait.c
+++ b/contrib/netbsd-tests/kernel/t_ptrace_wait.c
@@ -1,4 +1,4 @@
-/* $NetBSD: t_ptrace_wait.c,v 1.53 2017/01/10 05:08:24 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 1.53 2017/01/10 05:08:24 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.58 2017/01/14 04:37:55 kamil Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -48,7 +48,7 @@ __RCSID("$NetBSD: t_ptrace_wait.c,v 1.53 2017/01/10 05:08:24 kamil Exp $");
#include <atf-c.h>
-#include "../h_macros.h"
+#include "h_macros.h"
#include "t_ptrace_wait.h"
#include "msg.h"
@@ -65,6 +65,7 @@ __RCSID("$NetBSD: t_ptrace_wait.c,v 1.53 2017/01/10 05:08:24 kamil Exp $");
#define PARENT_FROM_CHILD(info, fds, msg) \
ATF_REQUIRE(msg_read_child(info " from parent " # fds, &fds, &msg, sizeof(msg)) == 0)
+
ATF_TC(traceme1);
ATF_TC_HEAD(traceme1, tc)
{
@@ -1071,6 +1072,118 @@ ATF_TC_BODY(eventmask2, tc)
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)
@@ -1296,12 +1409,6 @@ ATF_TC_BODY(vfork1, tc)
ptrace_event_t event;
const int elen = sizeof(event);
- /*
- * ptrace(2) command PT_SET_EVENT_MASK: option PTRACE_VFORK unsupported
- */
-#ifndef PTRACE_VFORK
-#define PTRACE_VFORK 0
-#endif
atf_tc_expect_fail("PR kern/51630");
printf("Before forking process PID=%d\n", getpid());
@@ -1483,6 +1590,196 @@ ATF_TC_BODY(vfork2, tc)
TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
}
+ATF_TC(vforkdone1);
+ATF_TC_HEAD(vforkdone1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that vfork(2) is intercepted by ptrace(2) with EVENT_MASK "
+ "set to PTRACE_VFORK_DONE");
+}
+
+ATF_TC_BODY(vforkdone1, tc)
+{
+ const int exitval = 5;
+ const int exitval2 = 15;
+ const int sigval = SIGSTOP;
+ pid_t child, child2, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ ptrace_state_t state;
+ const int slen = sizeof(state);
+ ptrace_event_t event;
+ const int elen = sizeof(event);
+
+ 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);
+
+ FORKEE_ASSERT((child2 = vfork()) != 1);
+
+ if (child2 == 0)
+ _exit(exitval2);
+
+ FORKEE_REQUIRE_SUCCESS
+ (wpid = TWAIT_GENERIC(child2, &status, 0), child2);
+
+ forkee_status_exited(status, exitval2);
+
+ 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);
+
+ printf("Enable PTRACE_VFORK in EVENT_MASK for the child %d\n", child);
+ event.pe_set_event = PTRACE_VFORK_DONE;
+ ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1);
+
+ 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 %d\n", TWAIT_FNAME, child);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1);
+ ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK_DONE);
+
+ child2 = state.pe_other_pid;
+ printf("Reported PTRACE_VFORK_DONE event with forkee %d\n", child2);
+
+ 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 - expected stopped "
+ "SIGCHLD\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGCHLD);
+
+ 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 - expected exited\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 - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(vforkdone2);
+ATF_TC_HEAD(vforkdone2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that vfork(2) is intercepted by ptrace(2) with EVENT_MASK "
+ "set to PTRACE_FORK | PTRACE_VFORK_DONE");
+}
+
+ATF_TC_BODY(vforkdone2, tc)
+{
+ const int exitval = 5;
+ const int exitval2 = 15;
+ const int sigval = SIGSTOP;
+ pid_t child, child2, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ ptrace_state_t state;
+ const int slen = sizeof(state);
+ ptrace_event_t event;
+ const int elen = sizeof(event);
+
+ 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);
+
+ FORKEE_ASSERT((child2 = vfork()) != 1);
+
+ if (child2 == 0)
+ _exit(exitval2);
+
+ FORKEE_REQUIRE_SUCCESS
+ (wpid = TWAIT_GENERIC(child2, &status, 0), child2);
+
+ forkee_status_exited(status, exitval2);
+
+ 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);
+
+ printf("Enable PTRACE_VFORK in EVENT_MASK for the child %d\n", child);
+ event.pe_set_event = PTRACE_FORK | PTRACE_VFORK_DONE;
+ ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1);
+
+ 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 %d\n", TWAIT_FNAME, child);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1);
+ ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK_DONE);
+
+ child2 = state.pe_other_pid;
+ printf("Reported PTRACE_VFORK_DONE event with forkee %d\n", child2);
+
+ 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 - expected stopped "
+ "SIGCHLD\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGCHLD);
+
+ 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 - expected exited\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 - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
ATF_TC(io_read_d1);
ATF_TC_HEAD(io_read_d1, tc)
{
@@ -5008,6 +5305,8 @@ ATF_TP_ADD_TCS(tp)
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);
@@ -5015,6 +5314,9 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC_HAVE_PID(tp, vfork1);
ATF_TP_ADD_TC(tp, vfork2);
+ ATF_TP_ADD_TC(tp, vforkdone1);
+ ATF_TP_ADD_TC(tp, vforkdone2);
+
ATF_TP_ADD_TC(tp, io_read_d1);
ATF_TP_ADD_TC(tp, io_read_d2);
ATF_TP_ADD_TC(tp, io_read_d3);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-11 16:03:29 +0000