diff options
Diffstat (limited to 'contrib/netbsd-tests/kernel/t_ptrace_wait.c')
| -rw-r--r-- | contrib/netbsd-tests/kernel/t_ptrace_wait.c | 1636 |
1 files changed, 1627 insertions, 9 deletions
diff --git a/contrib/netbsd-tests/kernel/t_ptrace_wait.c b/contrib/netbsd-tests/kernel/t_ptrace_wait.c index e502a03..9d08c0e 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 1.69 2017/01/27 16:43:07 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 1.69 2017/01/27 16:43:07 kamil Exp $"); #include <sys/param.h> #include <sys/types.h> @@ -37,8 +37,10 @@ __RCSID("$NetBSD: t_ptrace_wait.c,v 1.53 2017/01/10 05:08:24 kamil Exp $"); #include <sys/sysctl.h> #include <sys/wait.h> #include <machine/reg.h> +#include <elf.h> #include <err.h> #include <errno.h> +#include <lwp.h> #include <signal.h> #include <stdint.h> #include <stdio.h> @@ -48,7 +50,7 @@ __RCSID("$NetBSD: t_ptrace_wait.c,v 1.53 2017/01/10 05:08:24 kamil Exp $"); #include <atf-c.h> -#include "../h_macros.h" +#include "h_macros.h" #include "t_ptrace_wait.h" #include "msg.h" @@ -65,6 +67,7 @@ __RCSID("$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 +1074,228 @@ 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)); +} + +ATF_TC(eventmask5); +ATF_TC_HEAD(eventmask5, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that PTRACE_LWP_CREATE in EVENT_MASK is preserved"); +} + +ATF_TC_BODY(eventmask5, 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_LWP_CREATE; + 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(eventmask6); +ATF_TC_HEAD(eventmask6, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that PTRACE_LWP_EXIT in EVENT_MASK is preserved"); +} + +ATF_TC_BODY(eventmask6, 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_LWP_EXIT; + 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 +1521,6 @@ 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 +1702,197 @@ 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_DONE 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) { @@ -1999,6 +2409,72 @@ ATF_TC_BODY(io_write_d4, tc) TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0)); } +ATF_TC(io_read_auxv1); +ATF_TC_HEAD(io_read_auxv1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify PT_READ_AUXV called for tracee"); +} + +ATF_TC_BODY(io_read_auxv1, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + AuxInfo ai[100], *aip; + struct ptrace_io_desc io = { + .piod_op = PIOD_READ_AUXV, + .piod_offs = 0, + .piod_addr = ai, + .piod_len = sizeof(ai) + }; + + 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); + + printf("Read new AUXV from tracee (PID=%d) by tracer (PID=%d)\n", + child, getpid()); + ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1); + + printf("Asserting that AUXV length (%zu) is > 0\n", io.piod_len); + ATF_REQUIRE(io.piod_len > 0); + + for (aip = ai; aip->a_type != AT_NULL; aip++) + printf("a_type=%#llx a_v=%#llx\n", + (long long int)aip->a_type, (long long int)aip->a_v); + + 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(read_d1); ATF_TC_HEAD(read_d1, tc) { @@ -4989,6 +5465,1124 @@ ATF_TC_BODY(siginfo6, tc) } #endif +volatile lwpid_t the_lwp_id = 0; + +static void +lwp_main_func(void *arg) +{ + the_lwp_id = _lwp_self(); + _lwp_exit(); +} + +ATF_TC(lwp_create1); +ATF_TC_HEAD(lwp_create1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that 1 LWP creation is intercepted by ptrace(2) with " + "EVENT_MASK set to PTRACE_LWP_CREATE"); +} + +ATF_TC_BODY(lwp_create1, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + pid_t child, 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); + ucontext_t uc; + lwpid_t lid; + static const size_t ssize = 16*1024; + void *stack; + + 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 allocating memory for stack in child\n"); + FORKEE_ASSERT((stack = malloc(ssize)) != NULL); + + printf("Before making context for new lwp in child\n"); + _lwp_makecontext(&uc, lwp_main_func, NULL, NULL, stack, ssize); + + printf("Before creating new in child\n"); + FORKEE_ASSERT(_lwp_create(&uc, 0, &lid) == 0); + + printf("Before waiting for lwp %d to exit\n", lid); + FORKEE_ASSERT(_lwp_wait(lid, NULL) == 0); + + printf("Before verifying that reported %d and running lid %d " + "are the same\n", lid, the_lwp_id); + FORKEE_ASSERT_EQ(lid, the_lwp_id); + + 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("Set empty EVENT_MASK for the child %d\n", child); + event.pe_set_event = PTRACE_LWP_CREATE; + 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 - expected stopped " + "SIGTRAP\n", TWAIT_FNAME); + 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_LWP_CREATE); + + lid = state.pe_lwp; + printf("Reported PTRACE_LWP_CREATE event with lid %d\n", lid); + + 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(lwp_exit1); +ATF_TC_HEAD(lwp_exit1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that 1 LWP creation is intercepted by ptrace(2) with " + "EVENT_MASK set to PTRACE_LWP_EXIT"); +} + +ATF_TC_BODY(lwp_exit1, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + pid_t child, 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); + ucontext_t uc; + lwpid_t lid; + static const size_t ssize = 16*1024; + void *stack; + + 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 allocating memory for stack in child\n"); + FORKEE_ASSERT((stack = malloc(ssize)) != NULL); + + printf("Before making context for new lwp in child\n"); + _lwp_makecontext(&uc, lwp_main_func, NULL, NULL, stack, ssize); + + printf("Before creating new in child\n"); + FORKEE_ASSERT(_lwp_create(&uc, 0, &lid) == 0); + + printf("Before waiting for lwp %d to exit\n", lid); + FORKEE_ASSERT(_lwp_wait(lid, NULL) == 0); + + printf("Before verifying that reported %d and running lid %d " + "are the same\n", lid, the_lwp_id); + FORKEE_ASSERT_EQ(lid, the_lwp_id); + + 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("Set empty EVENT_MASK for the child %d\n", child); + event.pe_set_event = PTRACE_LWP_EXIT; + 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 - expected stopped " + "SIGTRAP\n", TWAIT_FNAME); + 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_LWP_EXIT); + + lid = state.pe_lwp; + printf("Reported PTRACE_LWP_EXIT event with lid %d\n", lid); + + 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(signal1); +ATF_TC_HEAD(signal1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking single unrelated signal does not stop tracer " + "from catching other signals"); +} + +ATF_TC_BODY(signal1, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + const int signotmasked = SIGINT; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before raising %s from child\n", + strsignal(signotmasked)); + FORKEE_ASSERT(raise(signotmasked) == 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("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_stopped(status, signotmasked); + + 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(signal2); +ATF_TC_HEAD(signal2, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee stops tracer from " + "catching this raised signal"); +} + +ATF_TC_BODY(signal2, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before raising %s breakpoint from child\n", + strsignal(sigmasked)); + FORKEE_ASSERT(raise(sigmasked) == 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("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(signal3); +ATF_TC_HEAD(signal3, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching software breakpoints"); +} + +ATF_TC_BODY(signal3, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before raising software breakpoint from child\n"); +#if defined(__x86_64__) + __asm__ __volatile__ ("int3\n;"); +#else + /* port me */ +#endif + + 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("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_stopped(status, sigmasked); + + 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(PT_STEP) +ATF_TC(signal4); +ATF_TC_HEAD(signal4, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching single step trap"); +} + +ATF_TC_BODY(signal4, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + int happy; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + happy = check_happy(100); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + FORKEE_ASSERT_EQ(happy, check_happy(100)); + + 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("Before resuming the child process where it left off and " + "without signal to be sent\n"); + ATF_REQUIRE(ptrace(PT_STEP, 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_stopped(status, sigmasked); + + 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)); +} +#endif + +ATF_TC(signal5); +ATF_TC_HEAD(signal5, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching exec() breakpoint"); +} + +ATF_TC_BODY(signal5, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before calling execve(2) from child\n"); + execlp("/bin/echo", "/bin/echo", NULL); + + 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("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_stopped(status, sigmasked); + + 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(signal6); +ATF_TC_HEAD(signal6, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_FORK breakpoint"); +} + +ATF_TC_BODY(signal6, tc) +{ + const int exitval = 5; + const int exitval2 = 15; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, child2, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + FORKEE_ASSERT((child2 = fork()) != 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_FORK in EVENT_MASK for the child %d\n", child); + event.pe_set_event = PTRACE_FORK; + 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\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); + ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_FORK); + + child2 = state.pe_other_pid; + printf("Reported PTRACE_FORK event with forkee %d\n", child2); + + printf("Before calling %s() for the child2\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0), + child2); + + validate_status_stopped(status, SIGTRAP); + + ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1); + ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_FORK); + ATF_REQUIRE_EQ(state.pe_other_pid, child); + + printf("Before resuming the forkee process where it left off and " + "without signal to be sent\n"); + ATF_REQUIRE(ptrace(PT_CONTINUE, child2, (void *)1, 0) != -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 forkee - expected exited\n", + TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0), + child2); + + validate_status_exited(status, exitval2); + + printf("Before calling %s() for the forkee - expected no process\n", + TWAIT_FNAME); + TWAIT_REQUIRE_FAILURE(ECHILD, + wpid = TWAIT_GENERIC(child2, &status, 0)); + + 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)); +} +#endif + +#if defined(TWAIT_HAVE_PID) +ATF_TC(signal7); +ATF_TC_HEAD(signal7, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_VFORK breakpoint"); +} + +ATF_TC_BODY(signal7, tc) +{ + const int exitval = 5; + const int exitval2 = 15; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, child2, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + + atf_tc_expect_fail("PR kern/51918 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + FORKEE_ASSERT((child2 = fork()) != 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; + 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\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); + ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK); + + child2 = state.pe_other_pid; + printf("Reported PTRACE_VFORK event with forkee %d\n", child2); + + printf("Before calling %s() for the child2\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0), + child2); + + validate_status_stopped(status, SIGTRAP); + + ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1); + ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK); + ATF_REQUIRE_EQ(state.pe_other_pid, child); + + printf("Before resuming the forkee process where it left off and " + "without signal to be sent\n"); + ATF_REQUIRE(ptrace(PT_CONTINUE, child2, (void *)1, 0) != -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 forkee - expected exited\n", + TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0), + child2); + + validate_status_exited(status, exitval2); + + printf("Before calling %s() for the forkee - expected no process\n", + TWAIT_FNAME); + TWAIT_REQUIRE_FAILURE(ECHILD, + wpid = TWAIT_GENERIC(child2, &status, 0)); + + 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)); +} +#endif + +ATF_TC(signal8); +ATF_TC_HEAD(signal8, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_VFORK_DONE breakpoint"); +} + +ATF_TC_BODY(signal8, tc) +{ + const int exitval = 5; + const int exitval2 = 15; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, child2, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + 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_DONE 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\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + 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(signal9); +ATF_TC_HEAD(signal9, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_LWP_CREATE breakpoint"); +} + +ATF_TC_BODY(signal9, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + ucontext_t uc; + lwpid_t lid; + static const size_t ssize = 16*1024; + void *stack; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before allocating memory for stack in child\n"); + FORKEE_ASSERT((stack = malloc(ssize)) != NULL); + + printf("Before making context for new lwp in child\n"); + _lwp_makecontext(&uc, lwp_main_func, NULL, NULL, stack, ssize); + + printf("Before creating new in child\n"); + FORKEE_ASSERT(_lwp_create(&uc, 0, &lid) == 0); + + printf("Before waiting for lwp %d to exit\n", lid); + FORKEE_ASSERT(_lwp_wait(lid, NULL) == 0); + + printf("Before verifying that reported %d and running lid %d " + "are the same\n", lid, the_lwp_id); + FORKEE_ASSERT_EQ(lid, the_lwp_id); + + 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("Set empty EVENT_MASK for the child %d\n", child); + event.pe_set_event = PTRACE_LWP_CREATE; + 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 - expected stopped " + "SIGTRAP\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); + + ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_LWP_CREATE); + + lid = state.pe_lwp; + printf("Reported PTRACE_LWP_CREATE event with lid %d\n", lid); + + 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(signal10); +ATF_TC_HEAD(signal10, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_LWP_EXIT breakpoint"); +} + +ATF_TC_BODY(signal10, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + ucontext_t uc; + lwpid_t lid; + static const size_t ssize = 16*1024; + void *stack; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before allocating memory for stack in child\n"); + FORKEE_ASSERT((stack = malloc(ssize)) != NULL); + + printf("Before making context for new lwp in child\n"); + _lwp_makecontext(&uc, lwp_main_func, NULL, NULL, stack, ssize); + + printf("Before creating new in child\n"); + FORKEE_ASSERT(_lwp_create(&uc, 0, &lid) == 0); + + printf("Before waiting for lwp %d to exit\n", lid); + FORKEE_ASSERT(_lwp_wait(lid, NULL) == 0); + + printf("Before verifying that reported %d and running lid %d " + "are the same\n", lid, the_lwp_id); + FORKEE_ASSERT_EQ(lid, the_lwp_id); + + 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("Set empty EVENT_MASK for the child %d\n", child); + event.pe_set_event = PTRACE_LWP_EXIT; + 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 - expected stopped " + "SIGTRAP\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); + + ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_LWP_EXIT); + + lid = state.pe_lwp; + printf("Reported PTRACE_LWP_EXIT event with lid %d\n", lid); + + 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_TP_ADD_TCS(tp) { setvbuf(stdout, NULL, _IONBF, 0); @@ -5008,6 +6602,10 @@ 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(tp, eventmask5); + ATF_TP_ADD_TC(tp, eventmask6); ATF_TP_ADD_TC_HAVE_PID(tp, fork1); ATF_TP_ADD_TC(tp, fork2); @@ -5015,6 +6613,9 @@ 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); @@ -5051,6 +6652,8 @@ ATF_TP_ADD_TCS(tp) ATF_TP_ADD_TC(tp, read_i3); ATF_TP_ADD_TC(tp, read_i4); + ATF_TP_ADD_TC(tp, io_read_auxv1); + ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs1); ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs2); ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs3); @@ -5078,5 +6681,20 @@ ATF_TP_ADD_TCS(tp) ATF_TP_ADD_TC_HAVE_PID(tp, siginfo5); ATF_TP_ADD_TC_PT_STEP(tp, siginfo6); + ATF_TP_ADD_TC(tp, lwp_create1); + + ATF_TP_ADD_TC(tp, lwp_exit1); + + ATF_TP_ADD_TC(tp, signal1); + ATF_TP_ADD_TC(tp, signal2); + ATF_TP_ADD_TC(tp, signal3); + ATF_TP_ADD_TC_PT_STEP(tp, signal4); + ATF_TP_ADD_TC(tp, signal5); + ATF_TP_ADD_TC_HAVE_PID(tp, signal6); + ATF_TP_ADD_TC_HAVE_PID(tp, signal7); + ATF_TP_ADD_TC(tp, signal8); + ATF_TP_ADD_TC(tp, signal9); + ATF_TP_ADD_TC(tp, signal10); + return atf_no_error(); } |
