Module Name: src
Committed By: kamil
Date: Wed Nov 23 03:02:56 UTC 2016
Modified Files:
src/tests/kernel: t_ptrace_wait.c
Log Message:
Add new tests read[1234] in t_ptrace_wait{,3,4,6,id,pid}
read1:
Verify PT_READ_D called once
read2:
Verify PT_READ_D called twice
read3:
Verify PT_READ_D called three times
read4:
Verify PT_READ_D called four times
Sponsored by <The NetBSD Foundation>
To generate a diff of this commit:
cvs rdiff -u -r1.21 -r1.22 src/tests/kernel/t_ptrace_wait.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/kernel/t_ptrace_wait.c
diff -u src/tests/kernel/t_ptrace_wait.c:1.21 src/tests/kernel/t_ptrace_wait.c:1.22
--- src/tests/kernel/t_ptrace_wait.c:1.21 Wed Nov 23 01:49:05 2016
+++ src/tests/kernel/t_ptrace_wait.c Wed Nov 23 03:02:56 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: t_ptrace_wait.c,v 1.21 2016/11/23 01:49:05 kamil Exp $ */
+/* $NetBSD: t_ptrace_wait.c,v 1.22 2016/11/23 03:02:56 kamil Exp $ */
/*-
* Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.21 2016/11/23 01:49:05 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.22 2016/11/23 03:02:56 kamil Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -2525,6 +2525,322 @@ ATF_TC_BODY(io_write_d4, tc)
TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
}
+ATF_TC(read1);
+ATF_TC_HEAD(read1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_D called once");
+}
+
+ATF_TC_BODY(read1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me = 0;
+ const int magic = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ child = atf_utils_fork();
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me = magic;
+
+ 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);
+
+ printf("Read new lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me = ptrace(PT_READ_D, child, &lookup_me, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me, magic);
+
+ 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(read2);
+ATF_TC_HEAD(read2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_D called twice");
+}
+
+ATF_TC_BODY(read2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ const int magic1 = (int)random();
+ const int magic2 = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ child = atf_utils_fork();
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me1 = magic1;
+ lookup_me2 = magic2;
+
+ 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);
+
+ printf("Read new lookup_me1 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me1 = ptrace(PT_READ_D, child, &lookup_me1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me1, magic1,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me1, magic1);
+
+ printf("Read new lookup_me2 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me2 = ptrace(PT_READ_D, child, &lookup_me2, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me2, magic2,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me2, magic2);
+
+ 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(read3);
+ATF_TC_HEAD(read3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_D called three times");
+}
+
+ATF_TC_BODY(read3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ int lookup_me3 = 0;
+ const int magic1 = (int)random();
+ const int magic2 = (int)random();
+ const int magic3 = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ child = atf_utils_fork();
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me1 = magic1;
+ lookup_me2 = magic2;
+ lookup_me3 = magic3;
+
+ 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);
+
+ printf("Read new lookup_me1 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me1 = ptrace(PT_READ_D, child, &lookup_me1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me1, magic1,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me1, magic1);
+
+ printf("Read new lookup_me2 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me2 = ptrace(PT_READ_D, child, &lookup_me2, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me2, magic2,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me2, magic2);
+
+ printf("Read new lookup_me3 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me3 = ptrace(PT_READ_D, child, &lookup_me3, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me3, magic3,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me3, magic3);
+
+ 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(read4);
+ATF_TC_HEAD(read4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_D called four times");
+}
+
+ATF_TC_BODY(read4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ int lookup_me3 = 0;
+ int lookup_me4 = 0;
+ const int magic1 = (int)random();
+ const int magic2 = (int)random();
+ const int magic3 = (int)random();
+ const int magic4 = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ child = atf_utils_fork();
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me1 = magic1;
+ lookup_me2 = magic2;
+ lookup_me3 = magic3;
+ lookup_me4 = magic4;
+
+ 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);
+
+ printf("Read new lookup_me1 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me1 = ptrace(PT_READ_D, child, &lookup_me1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me1, magic1,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me1, magic1);
+
+ printf("Read new lookup_me2 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me2 = ptrace(PT_READ_D, child, &lookup_me2, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me2, magic2,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me2, magic2);
+
+ printf("Read new lookup_me3 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me3 = ptrace(PT_READ_D, child, &lookup_me3, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me3, magic3,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me3, magic3);
+
+ printf("Read new lookup_me4 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me4 = ptrace(PT_READ_D, child, &lookup_me4, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me4, magic4,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me4, magic4);
+
+ 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(write1);
ATF_TC_HEAD(write1, tc)
{
@@ -2833,6 +3149,11 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, io_write_d3);
ATF_TP_ADD_TC(tp, io_write_d4);
+ ATF_TP_ADD_TC(tp, read1);
+ ATF_TP_ADD_TC(tp, read2);
+ ATF_TP_ADD_TC(tp, read3);
+ ATF_TP_ADD_TC(tp, read4);
+
ATF_TP_ADD_TC(tp, write1);
ATF_TP_ADD_TC(tp, write2);
ATF_TP_ADD_TC(tp, write3);
