From 36b77035bc18f791c304fcbc80ac07a08b38d4d4 Mon Sep 17 00:00:00 2001 From: kamil Date: Wed, 23 Nov 2016 03:02:56 +0000 Subject: [PATCH] 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 --- tests/kernel/t_ptrace_wait.c | 325 ++++++++++++++++++++++++++++++++++- 1 file changed, 323 insertions(+), 2 deletions(-) diff --git a/tests/kernel/t_ptrace_wait.c b/tests/kernel/t_ptrace_wait.c index 5d63219ecc19..1466a574601f 100644 --- a/tests/kernel/t_ptrace_wait.c +++ b/tests/kernel/t_ptrace_wait.c @@ -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 -__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 #include @@ -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);