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Add new tests read[1234] in t_ptrace_wait{,3,4,6,id,pid}

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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>
This commit is contained in:
kamil 2016-11-23 03:02:56 +00:00
parent 79f7742f7e
commit 36b77035bc
1 changed files with 323 additions and 2 deletions
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325
tests/kernel/t_ptrace_wait.c
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@ -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);