/* $NetBSD: t_ptrace_fork_wait.h,v 1.3 2020/05/14 19:21:35 kamil Exp $ */ /*- * Copyright (c) 2016, 2017, 2018, 2020 The NetBSD Foundation, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ static void fork_body(const char *fn, bool trackspawn, bool trackfork, bool trackvfork, bool trackvforkdone) { const int exitval = 5; const int exitval2 = 0; /* This matched exit status from /bin/echo */ const int sigval = SIGSTOP; pid_t child, child2 = 0, wpid; #if defined(TWAIT_HAVE_STATUS) int status; #endif sigset_t set; ptrace_state_t state; const int slen = sizeof(state); ptrace_event_t event; const int elen = sizeof(event); char * const arg[] = { __UNCONST("/bin/echo"), NULL }; DPRINTF("Before forking process PID=%d\n", getpid()); SYSCALL_REQUIRE((child = fork()) != -1); if (child == 0) { DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid()); FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1); DPRINTF("Before raising %s from child\n", strsignal(sigval)); FORKEE_ASSERT(raise(sigval) == 0); if (strcmp(fn, "spawn") == 0) { FORKEE_ASSERT_EQ(posix_spawn(&child2, arg[0], NULL, NULL, arg, NULL), 0); } else { if (strcmp(fn, "fork") == 0) { FORKEE_ASSERT((child2 = fork()) != -1); } else if (strcmp(fn, "vfork") == 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); DPRINTF("Before exiting of the child process\n"); _exit(exitval); } DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child); DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); validate_status_stopped(status, sigval); DPRINTF("Set 0%s%s%s%s in EVENT_MASK for the child %d\n", trackspawn ? "|PTRACE_POSIX_SPAWN" : "", trackfork ? "|PTRACE_FORK" : "", trackvfork ? "|PTRACE_VFORK" : "", trackvforkdone ? "|PTRACE_VFORK_DONE" : "", child); event.pe_set_event = 0; if (trackspawn) event.pe_set_event |= PTRACE_POSIX_SPAWN; if (trackfork) event.pe_set_event |= PTRACE_FORK; if (trackvfork) event.pe_set_event |= PTRACE_VFORK; if (trackvforkdone) event.pe_set_event |= PTRACE_VFORK_DONE; SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1); /* * Ignore interception of the SIGCHLD signals. * * SIGCHLD once blocked is discarded by the kernel as it has the * SA_IGNORE property. During the fork(2) operation all signals can be * shortly blocked and missed (unless there is a registered signal * handler in the traced child). This leads to a race in this test if * there would be an intention to catch SIGCHLD. */ sigemptyset(&set); sigaddset(&set, SIGCHLD); SYSCALL_REQUIRE(ptrace(PT_SET_SIGPASS, child, &set, sizeof(set)) != -1); DPRINTF("Before resuming the child process where it left off and " "without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1); #if defined(TWAIT_HAVE_PID) if ((trackspawn && strcmp(fn, "spawn") == 0) || (trackfork && strcmp(fn, "fork") == 0) || (trackvfork && strcmp(fn, "vfork") == 0)) { DPRINTF("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); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); if (trackspawn && strcmp(fn, "spawn") == 0) { ATF_REQUIRE_EQ( state.pe_report_event & PTRACE_POSIX_SPAWN, PTRACE_POSIX_SPAWN); } if (trackfork && strcmp(fn, "fork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK, PTRACE_FORK); } if (trackvfork && strcmp(fn, "vfork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK, PTRACE_VFORK); } child2 = state.pe_other_pid; DPRINTF("Reported ptrace event with forkee %d\n", child2); DPRINTF("Before calling %s() for the forkee %d of the child " "%d\n", TWAIT_FNAME, child2, child); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0), child2); validate_status_stopped(status, SIGTRAP); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1); if (trackspawn && strcmp(fn, "spawn") == 0) { ATF_REQUIRE_EQ( state.pe_report_event & PTRACE_POSIX_SPAWN, PTRACE_POSIX_SPAWN); } if (trackfork && strcmp(fn, "fork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK, PTRACE_FORK); } if (trackvfork && strcmp(fn, "vfork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK, PTRACE_VFORK); } ATF_REQUIRE_EQ(state.pe_other_pid, child); DPRINTF("Before resuming the forkee process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE( ptrace(PT_CONTINUE, child2, (void *)1, 0) != -1); DPRINTF("Before resuming the child process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1); } #endif if (trackvforkdone && strcmp(fn, "vfork") == 0) { DPRINTF("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); SYSCALL_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; DPRINTF("Reported PTRACE_VFORK_DONE event with forkee %d\n", child2); DPRINTF("Before resuming the child process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1); } #if defined(TWAIT_HAVE_PID) if ((trackspawn && strcmp(fn, "spawn") == 0) || (trackfork && strcmp(fn, "fork") == 0) || (trackvfork && strcmp(fn, "vfork") == 0)) { DPRINTF("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); DPRINTF("Before calling %s() for the forkee - expected no " "process\n", TWAIT_FNAME); TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child2, &status, 0)); } #endif DPRINTF("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); DPRINTF("Before calling %s() for the child - expected no process\n", TWAIT_FNAME); TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0)); } #define FORK_TEST(name,fun,tspawn,tfork,tvfork,tvforkdone) \ ATF_TC(name); \ ATF_TC_HEAD(name, tc) \ { \ atf_tc_set_md_var(tc, "descr", "Verify " fun "() " \ "called with 0%s%s%s%s in EVENT_MASK", \ tspawn ? "|PTRACE_POSIX_SPAWN" : "", \ tfork ? "|PTRACE_FORK" : "", \ tvfork ? "|PTRACE_VFORK" : "", \ tvforkdone ? "|PTRACE_VFORK_DONE" : ""); \ } \ \ ATF_TC_BODY(name, tc) \ { \ \ fork_body(fun, tspawn, tfork, tvfork, tvforkdone); \ } FORK_TEST(fork1, "fork", false, false, false, false) #if defined(TWAIT_HAVE_PID) FORK_TEST(fork2, "fork", false, true, false, false) FORK_TEST(fork3, "fork", false, false, true, false) FORK_TEST(fork4, "fork", false, true, true, false) #endif FORK_TEST(fork5, "fork", false, false, false, true) #if defined(TWAIT_HAVE_PID) FORK_TEST(fork6, "fork", false, true, false, true) FORK_TEST(fork7, "fork", false, false, true, true) FORK_TEST(fork8, "fork", false, true, true, true) #endif FORK_TEST(fork9, "fork", true, false, false, false) #if defined(TWAIT_HAVE_PID) FORK_TEST(fork10, "fork", true, true, false, false) FORK_TEST(fork11, "fork", true, false, true, false) FORK_TEST(fork12, "fork", true, true, true, false) #endif FORK_TEST(fork13, "fork", true, false, false, true) #if defined(TWAIT_HAVE_PID) FORK_TEST(fork14, "fork", true, true, false, true) FORK_TEST(fork15, "fork", true, false, true, true) FORK_TEST(fork16, "fork", true, true, true, true) #endif FORK_TEST(vfork1, "vfork", false, false, false, false) #if defined(TWAIT_HAVE_PID) FORK_TEST(vfork2, "vfork", false, true, false, false) FORK_TEST(vfork3, "vfork", false, false, true, false) FORK_TEST(vfork4, "vfork", false, true, true, false) #endif FORK_TEST(vfork5, "vfork", false, false, false, true) #if defined(TWAIT_HAVE_PID) FORK_TEST(vfork6, "vfork", false, true, false, true) FORK_TEST(vfork7, "vfork", false, false, true, true) FORK_TEST(vfork8, "vfork", false, true, true, true) #endif FORK_TEST(vfork9, "vfork", true, false, false, false) #if defined(TWAIT_HAVE_PID) FORK_TEST(vfork10, "vfork", true, true, false, false) FORK_TEST(vfork11, "vfork", true, false, true, false) FORK_TEST(vfork12, "vfork", true, true, true, false) #endif FORK_TEST(vfork13, "vfork", true, false, false, true) #if defined(TWAIT_HAVE_PID) FORK_TEST(vfork14, "vfork", true, true, false, true) FORK_TEST(vfork15, "vfork", true, false, true, true) FORK_TEST(vfork16, "vfork", true, true, true, true) #endif FORK_TEST(posix_spawn1, "spawn", false, false, false, false) FORK_TEST(posix_spawn2, "spawn", false, true, false, false) FORK_TEST(posix_spawn3, "spawn", false, false, true, false) FORK_TEST(posix_spawn4, "spawn", false, true, true, false) FORK_TEST(posix_spawn5, "spawn", false, false, false, true) FORK_TEST(posix_spawn6, "spawn", false, true, false, true) FORK_TEST(posix_spawn7, "spawn", false, false, true, true) FORK_TEST(posix_spawn8, "spawn", false, true, true, true) #if defined(TWAIT_HAVE_PID) FORK_TEST(posix_spawn9, "spawn", true, false, false, false) FORK_TEST(posix_spawn10, "spawn", true, true, false, false) FORK_TEST(posix_spawn11, "spawn", true, false, true, false) FORK_TEST(posix_spawn12, "spawn", true, true, true, false) FORK_TEST(posix_spawn13, "spawn", true, false, false, true) FORK_TEST(posix_spawn14, "spawn", true, true, false, true) FORK_TEST(posix_spawn15, "spawn", true, false, true, true) FORK_TEST(posix_spawn16, "spawn", true, true, true, true) #endif /// ---------------------------------------------------------------------------- #if defined(TWAIT_HAVE_PID) static void unrelated_tracer_fork_body(const char *fn, bool trackspawn, bool trackfork, bool trackvfork, bool trackvforkdone) { const int sigval = SIGSTOP; struct msg_fds parent_tracee, parent_tracer; const int exitval = 10; const int exitval2 = 0; /* This matched exit status from /bin/echo */ pid_t tracee, tracer, wpid; pid_t tracee2 = 0; uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */ #if defined(TWAIT_HAVE_STATUS) int status; #endif struct ptrace_siginfo info; ptrace_state_t state; const int slen = sizeof(state); ptrace_event_t event; const int elen = sizeof(event); char * const arg[] = { __UNCONST("/bin/echo"), NULL }; DPRINTF("Spawn tracee\n"); SYSCALL_REQUIRE(msg_open(&parent_tracee) == 0); tracee = atf_utils_fork(); if (tracee == 0) { // Wait for parent to let us crash CHILD_FROM_PARENT("exit tracee", parent_tracee, msg); DPRINTF("Before raising %s from child\n", strsignal(sigval)); FORKEE_ASSERT(raise(sigval) == 0); if (strcmp(fn, "spawn") == 0) { FORKEE_ASSERT_EQ(posix_spawn(&tracee2, arg[0], NULL, NULL, arg, NULL), 0); } else { if (strcmp(fn, "fork") == 0) { FORKEE_ASSERT((tracee2 = fork()) != -1); } else if (strcmp(fn, "vfork") == 0) { FORKEE_ASSERT((tracee2 = vfork()) != -1); } if (tracee2 == 0) _exit(exitval2); } FORKEE_REQUIRE_SUCCESS (wpid = TWAIT_GENERIC(tracee2, &status, 0), tracee2); forkee_status_exited(status, exitval2); DPRINTF("Before exiting of the child process\n"); _exit(exitval); } DPRINTF("Spawn debugger\n"); SYSCALL_REQUIRE(msg_open(&parent_tracer) == 0); tracer = atf_utils_fork(); if (tracer == 0) { /* Fork again and drop parent to reattach to PID 1 */ tracer = atf_utils_fork(); if (tracer != 0) _exit(exitval); DPRINTF("Before calling PT_ATTACH from tracee %d\n", getpid()); FORKEE_ASSERT(ptrace(PT_ATTACH, tracee, NULL, 0) != -1); /* Wait for tracee and assert that it was stopped w/ SIGSTOP */ FORKEE_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); forkee_status_stopped(status, SIGSTOP); DPRINTF("Before calling ptrace(2) with PT_GET_SIGINFO for the " "traced process\n"); SYSCALL_REQUIRE( ptrace(PT_GET_SIGINFO, tracee, &info, sizeof(info)) != -1); DPRINTF("Signal traced to lwpid=%d\n", info.psi_lwpid); DPRINTF("Signal properties: si_signo=%#x si_code=%#x " "si_errno=%#x\n", info.psi_siginfo.si_signo, info.psi_siginfo.si_code, info.psi_siginfo.si_errno); FORKEE_ASSERT_EQ(info.psi_siginfo.si_signo, SIGSTOP); FORKEE_ASSERT_EQ(info.psi_siginfo.si_code, SI_USER); /* Resume tracee with PT_CONTINUE */ FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1); /* Inform parent that tracer has attached to tracee */ CHILD_TO_PARENT("tracer ready", parent_tracer, msg); /* Wait for parent to tell use that tracee should have exited */ CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg); /* Wait for tracee and assert that it exited */ FORKEE_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); forkee_status_stopped(status, sigval); DPRINTF("Before calling ptrace(2) with PT_GET_SIGINFO for the " "traced process\n"); SYSCALL_REQUIRE( ptrace(PT_GET_SIGINFO, tracee, &info, sizeof(info)) != -1); DPRINTF("Signal traced to lwpid=%d\n", info.psi_lwpid); DPRINTF("Signal properties: si_signo=%#x si_code=%#x " "si_errno=%#x\n", info.psi_siginfo.si_signo, info.psi_siginfo.si_code, info.psi_siginfo.si_errno); FORKEE_ASSERT_EQ(info.psi_siginfo.si_signo, sigval); FORKEE_ASSERT_EQ(info.psi_siginfo.si_code, SI_LWP); DPRINTF("Set 0%s%s%s%s in EVENT_MASK for the child %d\n", trackspawn ? "|PTRACE_POSIX_SPAWN" : "", trackfork ? "|PTRACE_FORK" : "", trackvfork ? "|PTRACE_VFORK" : "", trackvforkdone ? "|PTRACE_VFORK_DONE" : "", tracee); event.pe_set_event = 0; if (trackspawn) event.pe_set_event |= PTRACE_POSIX_SPAWN; if (trackfork) event.pe_set_event |= PTRACE_FORK; if (trackvfork) event.pe_set_event |= PTRACE_VFORK; if (trackvforkdone) event.pe_set_event |= PTRACE_VFORK_DONE; SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, tracee, &event, elen) != -1); DPRINTF("Before resuming the child process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1); if ((trackspawn && strcmp(fn, "spawn") == 0) || (trackfork && strcmp(fn, "fork") == 0) || (trackvfork && strcmp(fn, "vfork") == 0)) { DPRINTF("Before calling %s() for the tracee %d\n", TWAIT_FNAME, tracee); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); validate_status_stopped(status, SIGTRAP); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, tracee, &state, slen) != -1); if (trackspawn && strcmp(fn, "spawn") == 0) { ATF_REQUIRE_EQ( state.pe_report_event & PTRACE_POSIX_SPAWN, PTRACE_POSIX_SPAWN); } if (trackfork && strcmp(fn, "fork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK, PTRACE_FORK); } if (trackvfork && strcmp(fn, "vfork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK, PTRACE_VFORK); } tracee2 = state.pe_other_pid; DPRINTF("Reported ptrace event with forkee %d\n", tracee2); DPRINTF("Before calling %s() for the forkee %d of the tracee " "%d\n", TWAIT_FNAME, tracee2, tracee); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee2, &status, 0), tracee2); validate_status_stopped(status, SIGTRAP); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, tracee2, &state, slen) != -1); if (trackspawn && strcmp(fn, "spawn") == 0) { ATF_REQUIRE_EQ( state.pe_report_event & PTRACE_POSIX_SPAWN, PTRACE_POSIX_SPAWN); } if (trackfork && strcmp(fn, "fork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK, PTRACE_FORK); } if (trackvfork && strcmp(fn, "vfork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK, PTRACE_VFORK); } ATF_REQUIRE_EQ(state.pe_other_pid, tracee); DPRINTF("Before resuming the forkee process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE( ptrace(PT_CONTINUE, tracee2, (void *)1, 0) != -1); DPRINTF("Before resuming the tracee process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1); } if (trackvforkdone && strcmp(fn, "vfork") == 0) { DPRINTF("Before calling %s() for the tracee %d\n", TWAIT_FNAME, tracee); TWAIT_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); validate_status_stopped(status, SIGTRAP); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, tracee, &state, slen) != -1); ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK_DONE); tracee2 = state.pe_other_pid; DPRINTF("Reported PTRACE_VFORK_DONE event with forkee %d\n", tracee2); DPRINTF("Before resuming the tracee process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1); } if ((trackspawn && strcmp(fn, "spawn") == 0) || (trackfork && strcmp(fn, "fork") == 0) || (trackvfork && strcmp(fn, "vfork") == 0)) { DPRINTF("Before calling %s() for the forkee - expected exited" "\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracee2, &status, 0), tracee2); validate_status_exited(status, exitval2); DPRINTF("Before calling %s() for the forkee - expected no " "process\n", TWAIT_FNAME); TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(tracee2, &status, 0)); } DPRINTF("Before calling %s() for the tracee - expected stopped " "SIGCHLD\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); validate_status_stopped(status, SIGCHLD); DPRINTF("Before resuming the tracee process where it left off and " "without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1); DPRINTF("Before calling %s() for the tracee - expected exited\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); validate_status_exited(status, exitval); /* Inform parent that tracer is exiting normally */ CHILD_TO_PARENT("tracer done", parent_tracer, msg); DPRINTF("Before exiting of the tracer process\n"); _exit(0 /* collect by initproc */); } DPRINTF("Wait for the tracer process (direct child) to exit " "calling %s()\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracer, &status, 0), tracer); validate_status_exited(status, exitval); DPRINTF("Wait for the non-exited tracee process with %s()\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracee, NULL, WNOHANG), 0); DPRINTF("Wait for the tracer to attach to the tracee\n"); PARENT_FROM_CHILD("tracer ready", parent_tracer, msg); DPRINTF("Resume the tracee and let it crash\n"); PARENT_TO_CHILD("exit tracee", parent_tracee, msg); DPRINTF("Resume the tracer and let it detect crashed tracee\n"); PARENT_TO_CHILD("Message 2", parent_tracer, msg); DPRINTF("Wait for tracee to finish its job and exit - calling %s()\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); validate_status_exited(status, exitval); DPRINTF("Await normal exit of tracer\n"); PARENT_FROM_CHILD("tracer done", parent_tracer, msg); msg_close(&parent_tracer); msg_close(&parent_tracee); } #define UNRELATED_TRACER_FORK_TEST(name,fun,tspawn,tfork,tvfork,tvforkdone)\ ATF_TC(name); \ ATF_TC_HEAD(name, tc) \ { \ atf_tc_set_md_var(tc, "descr", "Verify " fun "() " \ "called with 0%s%s%s%s in EVENT_MASK", \ tspawn ? "|PTRACE_POSIX_SPAWN" : "", \ tfork ? "|PTRACE_FORK" : "", \ tvfork ? "|PTRACE_VFORK" : "", \ tvforkdone ? "|PTRACE_VFORK_DONE" : ""); \ } \ \ ATF_TC_BODY(name, tc) \ { \ \ unrelated_tracer_fork_body(fun, tspawn, tfork, tvfork, \ tvforkdone); \ } UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork1, "fork", false, false, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork2, "fork", false, true, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork3, "fork", false, false, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork4, "fork", false, true, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork5, "fork", false, false, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork6, "fork", false, true, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork7, "fork", false, false, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork8, "fork", false, true, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork9, "fork", true, false, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork10, "fork", true, true, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork11, "fork", true, false, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork12, "fork", true, true, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork13, "fork", true, false, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork14, "fork", true, true, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork15, "fork", true, false, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_fork16, "fork", true, true, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork1, "vfork", false, false, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork2, "vfork", false, true, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork3, "vfork", false, false, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork4, "vfork", false, true, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork5, "vfork", false, false, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork6, "vfork", false, true, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork7, "vfork", false, false, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork8, "vfork", false, true, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork9, "vfork", true, false, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork10, "vfork", true, true, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork11, "vfork", true, false, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork12, "vfork", true, true, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork13, "vfork", true, false, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork14, "vfork", true, true, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork15, "vfork", true, false, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_vfork16, "vfork", true, true, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn1, "spawn", false, false, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn2, "spawn", false, true, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn3, "spawn", false, false, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn4, "spawn", false, true, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn5, "spawn", false, false, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn6, "spawn", false, true, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn7, "spawn", false, false, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn8, "spawn", false, true, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn9, "spawn", true, false, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn10, "spawn", true, true, false, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn11, "spawn", true, false, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn12, "spawn", true, true, true, false) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn13, "spawn", true, false, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn14, "spawn", true, true, false, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn15, "spawn", true, false, true, true) UNRELATED_TRACER_FORK_TEST(unrelated_tracer_posix_spawn16, "spawn", true, true, true, true) #endif /// ---------------------------------------------------------------------------- #if defined(TWAIT_HAVE_PID) static void fork_detach_forker_body(const char *fn, bool kill_process) { const int exitval = 5; const int exitval2 = 0; /* Matches exit value from /bin/echo */ const int sigval = SIGSTOP; pid_t child, child2 = 0, 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); int op; char * const arg[] = { __UNCONST("/bin/echo"), NULL }; DPRINTF("Before forking process PID=%d\n", getpid()); SYSCALL_REQUIRE((child = fork()) != -1); if (child == 0) { DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid()); FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1); DPRINTF("Before raising %s from child\n", strsignal(sigval)); FORKEE_ASSERT(raise(sigval) == 0); if (strcmp(fn, "spawn") == 0) { FORKEE_ASSERT_EQ(posix_spawn(&child2, arg[0], NULL, NULL, arg, NULL), 0); } else { if (strcmp(fn, "fork") == 0) { FORKEE_ASSERT((child2 = fork()) != -1); } else { 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); DPRINTF("Before exiting of the child process\n"); _exit(exitval); } DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child); DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); validate_status_stopped(status, sigval); DPRINTF("Set EVENT_MASK for the child %d\n", child); event.pe_set_event = PTRACE_POSIX_SPAWN | PTRACE_FORK | PTRACE_VFORK | PTRACE_VFORK_DONE; SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1); DPRINTF("Before resuming the child process where it left off and " "without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1); DPRINTF("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); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); if (strcmp(fn, "spawn") == 0) op = PTRACE_POSIX_SPAWN; else if (strcmp(fn, "fork") == 0) op = PTRACE_FORK; else op = PTRACE_VFORK; ATF_REQUIRE_EQ(state.pe_report_event & op, op); child2 = state.pe_other_pid; DPRINTF("Reported ptrace event with forkee %d\n", child2); if (strcmp(fn, "spawn") == 0 || strcmp(fn, "fork") == 0 || strcmp(fn, "vfork") == 0) op = kill_process ? PT_KILL : PT_DETACH; else op = PT_CONTINUE; SYSCALL_REQUIRE(ptrace(op, child, (void *)1, 0) != -1); DPRINTF("Before calling %s() for the forkee %d of the child %d\n", TWAIT_FNAME, child2, child); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0), child2); validate_status_stopped(status, SIGTRAP); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1); if (strcmp(fn, "spawn") == 0) op = PTRACE_POSIX_SPAWN; else if (strcmp(fn, "fork") == 0) op = PTRACE_FORK; else op = PTRACE_VFORK; ATF_REQUIRE_EQ(state.pe_report_event & op, op); ATF_REQUIRE_EQ(state.pe_other_pid, child); DPRINTF("Before resuming the forkee process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE( ptrace(PT_CONTINUE, child2, (void *)1, 0) != -1); if (strcmp(fn, "vforkdone") == 0) { DPRINTF("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); SYSCALL_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; DPRINTF("Reported PTRACE_VFORK_DONE event with forkee %d\n", child2); op = kill_process ? PT_KILL : PT_DETACH; DPRINTF("Before resuming the child process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(op, child, (void *)1, 0) != -1); } DPRINTF("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); DPRINTF("Before calling %s() for the forkee - expected no process\n", TWAIT_FNAME); TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child2, &status, 0)); DPRINTF("Before calling %s() for the forkee - expected exited\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); if (kill_process) { validate_status_signaled(status, SIGKILL, 0); } else { validate_status_exited(status, exitval); } DPRINTF("Before calling %s() for the child - expected no process\n", TWAIT_FNAME); TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0)); } #define FORK_DETACH_FORKER(name,event,kprocess) \ ATF_TC(name); \ ATF_TC_HEAD(name, tc) \ { \ atf_tc_set_md_var(tc, "descr", "Verify %s " event, \ kprocess ? "killed" : "detached"); \ } \ \ ATF_TC_BODY(name, tc) \ { \ \ fork_detach_forker_body(event, kprocess); \ } FORK_DETACH_FORKER(posix_spawn_detach_spawner, "spawn", false) FORK_DETACH_FORKER(fork_detach_forker, "fork", false) FORK_DETACH_FORKER(vfork_detach_vforker, "vfork", false) FORK_DETACH_FORKER(vfork_detach_vforkerdone, "vforkdone", false) FORK_DETACH_FORKER(posix_spawn_kill_spawner, "spawn", true) FORK_DETACH_FORKER(fork_kill_forker, "fork", true) FORK_DETACH_FORKER(vfork_kill_vforker, "vfork", true) FORK_DETACH_FORKER(vfork_kill_vforkerdone, "vforkdone", true) #endif /// ---------------------------------------------------------------------------- #if defined(TWAIT_HAVE_PID) static void unrelated_tracer_fork_detach_forker_body(const char *fn, bool kill_process) { const int sigval = SIGSTOP; struct msg_fds parent_tracee, parent_tracer; const int exitval = 10; const int exitval2 = 0; /* This matched exit status from /bin/echo */ pid_t tracee, tracer, wpid; pid_t tracee2 = 0; uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */ #if defined(TWAIT_HAVE_STATUS) int status; #endif int op; struct ptrace_siginfo info; ptrace_state_t state; const int slen = sizeof(state); ptrace_event_t event; const int elen = sizeof(event); char * const arg[] = { __UNCONST("/bin/echo"), NULL }; DPRINTF("Spawn tracee\n"); SYSCALL_REQUIRE(msg_open(&parent_tracee) == 0); tracee = atf_utils_fork(); if (tracee == 0) { // Wait for parent to let us crash CHILD_FROM_PARENT("exit tracee", parent_tracee, msg); DPRINTF("Before raising %s from child\n", strsignal(sigval)); FORKEE_ASSERT(raise(sigval) == 0); if (strcmp(fn, "spawn") == 0) { FORKEE_ASSERT_EQ(posix_spawn(&tracee2, arg[0], NULL, NULL, arg, NULL), 0); } else { if (strcmp(fn, "fork") == 0) { FORKEE_ASSERT((tracee2 = fork()) != -1); } else { FORKEE_ASSERT((tracee2 = vfork()) != -1); } if (tracee2 == 0) _exit(exitval2); } FORKEE_REQUIRE_SUCCESS (wpid = TWAIT_GENERIC(tracee2, &status, 0), tracee2); forkee_status_exited(status, exitval2); DPRINTF("Before exiting of the child process\n"); _exit(exitval); } DPRINTF("Spawn debugger\n"); SYSCALL_REQUIRE(msg_open(&parent_tracer) == 0); tracer = atf_utils_fork(); if (tracer == 0) { /* Fork again and drop parent to reattach to PID 1 */ tracer = atf_utils_fork(); if (tracer != 0) _exit(exitval); DPRINTF("Before calling PT_ATTACH from tracee %d\n", getpid()); FORKEE_ASSERT(ptrace(PT_ATTACH, tracee, NULL, 0) != -1); /* Wait for tracee and assert that it was stopped w/ SIGSTOP */ FORKEE_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); forkee_status_stopped(status, SIGSTOP); DPRINTF("Before calling ptrace(2) with PT_GET_SIGINFO for the " "traced process\n"); SYSCALL_REQUIRE( ptrace(PT_GET_SIGINFO, tracee, &info, sizeof(info)) != -1); DPRINTF("Signal traced to lwpid=%d\n", info.psi_lwpid); DPRINTF("Signal properties: si_signo=%#x si_code=%#x " "si_errno=%#x\n", info.psi_siginfo.si_signo, info.psi_siginfo.si_code, info.psi_siginfo.si_errno); FORKEE_ASSERT_EQ(info.psi_siginfo.si_signo, SIGSTOP); FORKEE_ASSERT_EQ(info.psi_siginfo.si_code, SI_USER); /* Resume tracee with PT_CONTINUE */ FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1); /* Inform parent that tracer has attached to tracee */ CHILD_TO_PARENT("tracer ready", parent_tracer, msg); /* Wait for parent to tell use that tracee should have exited */ CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg); /* Wait for tracee and assert that it exited */ FORKEE_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); forkee_status_stopped(status, sigval); DPRINTF("Before calling ptrace(2) with PT_GET_SIGINFO for the " "traced process\n"); SYSCALL_REQUIRE( ptrace(PT_GET_SIGINFO, tracee, &info, sizeof(info)) != -1); DPRINTF("Signal traced to lwpid=%d\n", info.psi_lwpid); DPRINTF("Signal properties: si_signo=%#x si_code=%#x " "si_errno=%#x\n", info.psi_siginfo.si_signo, info.psi_siginfo.si_code, info.psi_siginfo.si_errno); FORKEE_ASSERT_EQ(info.psi_siginfo.si_signo, sigval); FORKEE_ASSERT_EQ(info.psi_siginfo.si_code, SI_LWP); DPRINTF("Set EVENT_MASK for the child %d\n", tracee); event.pe_set_event = PTRACE_POSIX_SPAWN | PTRACE_FORK | PTRACE_VFORK | PTRACE_VFORK_DONE; SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, tracee, &event, elen) != -1); DPRINTF("Before resuming the child process where it left off and " "without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1); DPRINTF("Before calling %s() for the child %d\n", TWAIT_FNAME, tracee); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); validate_status_stopped(status, SIGTRAP); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, tracee, &state, slen) != -1); if (strcmp(fn, "spawn") == 0) op = PTRACE_POSIX_SPAWN; else if (strcmp(fn, "fork") == 0) op = PTRACE_FORK; else op = PTRACE_VFORK; ATF_REQUIRE_EQ(state.pe_report_event & op, op); tracee2 = state.pe_other_pid; DPRINTF("Reported ptrace event with forkee %d\n", tracee2); if (strcmp(fn, "spawn") == 0 || strcmp(fn, "fork") == 0 || strcmp(fn, "vfork") == 0) op = kill_process ? PT_KILL : PT_DETACH; else op = PT_CONTINUE; SYSCALL_REQUIRE(ptrace(op, tracee, (void *)1, 0) != -1); DPRINTF("Before calling %s() for the forkee %d of the tracee %d\n", TWAIT_FNAME, tracee2, tracee); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee2, &status, 0), tracee2); validate_status_stopped(status, SIGTRAP); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, tracee2, &state, slen) != -1); if (strcmp(fn, "spawn") == 0) op = PTRACE_POSIX_SPAWN; else if (strcmp(fn, "fork") == 0) op = PTRACE_FORK; else op = PTRACE_VFORK; ATF_REQUIRE_EQ(state.pe_report_event & op, op); ATF_REQUIRE_EQ(state.pe_other_pid, tracee); DPRINTF("Before resuming the forkee process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE( ptrace(PT_CONTINUE, tracee2, (void *)1, 0) != -1); if (strcmp(fn, "vforkdone") == 0) { DPRINTF("Before calling %s() for the child %d\n", TWAIT_FNAME, tracee); TWAIT_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); validate_status_stopped(status, SIGTRAP); SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, tracee, &state, slen) != -1); ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK_DONE); tracee2 = state.pe_other_pid; DPRINTF("Reported PTRACE_VFORK_DONE event with forkee %d\n", tracee2); op = kill_process ? PT_KILL : PT_DETACH; DPRINTF("Before resuming the child process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(op, tracee, (void *)1, 0) != -1); } DPRINTF("Before calling %s() for the forkee - expected exited\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee2, &status, 0), tracee2); validate_status_exited(status, exitval2); DPRINTF("Before calling %s() for the forkee - expected no process\n", TWAIT_FNAME); TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(tracee2, &status, 0)); if (kill_process) { DPRINTF("Before calling %s() for the forkee - expected signaled\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); validate_status_signaled(status, SIGKILL, 0); } /* Inform parent that tracer is exiting normally */ CHILD_TO_PARENT("tracer done", parent_tracer, msg); DPRINTF("Before exiting of the tracer process\n"); _exit(0 /* collect by initproc */); } DPRINTF("Wait for the tracer process (direct child) to exit " "calling %s()\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracer, &status, 0), tracer); validate_status_exited(status, exitval); DPRINTF("Wait for the non-exited tracee process with %s()\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS( wpid = TWAIT_GENERIC(tracee, NULL, WNOHANG), 0); DPRINTF("Wait for the tracer to attach to the tracee\n"); PARENT_FROM_CHILD("tracer ready", parent_tracer, msg); DPRINTF("Resume the tracee and let it crash\n"); PARENT_TO_CHILD("exit tracee", parent_tracee, msg); DPRINTF("Resume the tracer and let it detect crashed tracee\n"); PARENT_TO_CHILD("Message 2", parent_tracer, msg); DPRINTF("Wait for tracee to finish its job and exit - calling %s()\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, 0), tracee); if (kill_process) { validate_status_signaled(status, SIGKILL, 0); } else { validate_status_exited(status, exitval); } DPRINTF("Await normal exit of tracer\n"); PARENT_FROM_CHILD("tracer done", parent_tracer, msg); msg_close(&parent_tracer); msg_close(&parent_tracee); } #define UNRELATED_TRACER_FORK_DETACH_FORKER(name,event,kprocess) \ ATF_TC(name); \ ATF_TC_HEAD(name, tc) \ { \ atf_tc_set_md_var(tc, "descr", "Verify %s " event, \ kprocess ? "killed" : "detached"); \ } \ \ ATF_TC_BODY(name, tc) \ { \ \ unrelated_tracer_fork_detach_forker_body(event, kprocess); \ } UNRELATED_TRACER_FORK_DETACH_FORKER(unrelated_tracer_posix_spawn_detach_spawner, "spawn", false) UNRELATED_TRACER_FORK_DETACH_FORKER(unrelated_tracer_fork_detach_forker, "fork", false) UNRELATED_TRACER_FORK_DETACH_FORKER(unrelated_tracer_vfork_detach_vforker, "vfork", false) UNRELATED_TRACER_FORK_DETACH_FORKER(unrelated_tracer_vfork_detach_vforkerdone, "vforkdone", false) UNRELATED_TRACER_FORK_DETACH_FORKER(unrelated_tracer_posix_spawn_kill_spawner, "spawn", true) UNRELATED_TRACER_FORK_DETACH_FORKER(unrelated_tracer_fork_kill_forker, "fork", true) UNRELATED_TRACER_FORK_DETACH_FORKER(unrelated_tracer_vfork_kill_vforker, "vfork", true) UNRELATED_TRACER_FORK_DETACH_FORKER(unrelated_tracer_vfork_kill_vforkerdone, "vforkdone", true) #endif /// ---------------------------------------------------------------------------- static void traceme_vfork_fork_body(pid_t (*fn)(void)) { const int exitval = 5; const int exitval2 = 15; pid_t child, child2 = 0, wpid; #if defined(TWAIT_HAVE_STATUS) int status; #endif DPRINTF("Before forking process PID=%d\n", getpid()); SYSCALL_REQUIRE((child = vfork()) != -1); if (child == 0) { DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid()); FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1); FORKEE_ASSERT((child2 = (fn)()) != -1); if (child2 == 0) _exit(exitval2); FORKEE_REQUIRE_SUCCESS (wpid = TWAIT_GENERIC(child2, &status, 0), child2); forkee_status_exited(status, exitval2); DPRINTF("Before exiting of the child process\n"); _exit(exitval); } DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child); DPRINTF("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); DPRINTF("Before calling %s() for the child - expected no process\n", TWAIT_FNAME); TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0)); } #define TRACEME_VFORK_FORK_TEST(name,fun) \ ATF_TC(name); \ ATF_TC_HEAD(name, tc) \ { \ atf_tc_set_md_var(tc, "descr", "Verify " #fun "(2) " \ "called from vfork(2)ed child"); \ } \ \ ATF_TC_BODY(name, tc) \ { \ \ traceme_vfork_fork_body(fun); \ } TRACEME_VFORK_FORK_TEST(traceme_vfork_fork, fork) TRACEME_VFORK_FORK_TEST(traceme_vfork_vfork, vfork) /// ---------------------------------------------------------------------------- #if defined(TWAIT_HAVE_PID) static void fork2_body(const char *fn, bool masked, bool ignored) { const int exitval = 5; const int exitval2 = 0; /* Match exit status from /bin/echo */ const int sigval = SIGSTOP; pid_t child, child2 = 0, 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); struct sigaction sa; struct ptrace_siginfo info; sigset_t intmask; struct kinfo_proc2 kp; size_t len = sizeof(kp); int name[6]; const size_t namelen = __arraycount(name); ki_sigset_t kp_sigmask; ki_sigset_t kp_sigignore; char * const arg[] = { __UNCONST("/bin/echo"), NULL }; DPRINTF("Before forking process PID=%d\n", getpid()); SYSCALL_REQUIRE((child = fork()) != -1); if (child == 0) { DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid()); FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1); if (masked) { sigemptyset(&intmask); sigaddset(&intmask, SIGTRAP); sigprocmask(SIG_BLOCK, &intmask, NULL); } if (ignored) { memset(&sa, 0, sizeof(sa)); sa.sa_handler = SIG_IGN; sigemptyset(&sa.sa_mask); FORKEE_ASSERT(sigaction(SIGTRAP, &sa, NULL) != -1); } DPRINTF("Before raising %s from child\n", strsignal(sigval)); FORKEE_ASSERT(raise(sigval) == 0); if (strcmp(fn, "spawn") == 0) { FORKEE_ASSERT_EQ(posix_spawn(&child2, arg[0], NULL, NULL, arg, NULL), 0); } else { if (strcmp(fn, "fork") == 0) { FORKEE_ASSERT((child2 = fork()) != -1); } else { 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); DPRINTF("Before exiting of the child process\n"); _exit(exitval); } DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child); DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); validate_status_stopped(status, sigval); DPRINTF("Before calling ptrace(2) with PT_GET_SIGINFO for child\n"); SYSCALL_REQUIRE( ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1); DPRINTF("Before checking siginfo_t\n"); ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval); ATF_REQUIRE_EQ(info.psi_siginfo.si_code, SI_LWP); name[0] = CTL_KERN, name[1] = KERN_PROC2, name[2] = KERN_PROC_PID; name[3] = child; name[4] = sizeof(kp); name[5] = 1; FORKEE_ASSERT_EQ(sysctl(name, namelen, &kp, &len, NULL, 0), 0); kp_sigmask = kp.p_sigmask; kp_sigignore = kp.p_sigignore; DPRINTF("Set 0%s%s%s%s in EVENT_MASK for the child %d\n", strcmp(fn, "spawn") == 0 ? "|PTRACE_POSIX_SPAWN" : "", strcmp(fn, "fork") == 0 ? "|PTRACE_FORK" : "", strcmp(fn, "vfork") == 0 ? "|PTRACE_VFORK" : "", strcmp(fn, "vforkdone") == 0 ? "|PTRACE_VFORK_DONE" : "", child); event.pe_set_event = 0; if (strcmp(fn, "spawn") == 0) event.pe_set_event |= PTRACE_POSIX_SPAWN; if (strcmp(fn, "fork") == 0) event.pe_set_event |= PTRACE_FORK; if (strcmp(fn, "vfork") == 0) event.pe_set_event |= PTRACE_VFORK; if (strcmp(fn, "vforkdone") == 0) event.pe_set_event |= PTRACE_VFORK_DONE; SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1); DPRINTF("Before resuming the child process where it left off and " "without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1); if (strcmp(fn, "spawn") == 0 || strcmp(fn, "fork") == 0 || strcmp(fn, "vfork") == 0) { DPRINTF("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_EQ(sysctl(name, namelen, &kp, &len, NULL, 0), 0); if (masked) { DPRINTF("kp_sigmask=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp_sigmask.__bits[0], kp_sigmask.__bits[1], kp_sigmask.__bits[2], kp_sigmask.__bits[3]); DPRINTF("kp.p_sigmask=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp.p_sigmask.__bits[0], kp.p_sigmask.__bits[1], kp.p_sigmask.__bits[2], kp.p_sigmask.__bits[3]); ATF_REQUIRE(sigismember((sigset_t *)&kp.p_sigmask, SIGTRAP)); } if (ignored) { DPRINTF("kp_sigignore=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp_sigignore.__bits[0], kp_sigignore.__bits[1], kp_sigignore.__bits[2], kp_sigignore.__bits[3]); DPRINTF("kp.p_sigignore=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp.p_sigignore.__bits[0], kp.p_sigignore.__bits[1], kp.p_sigignore.__bits[2], kp.p_sigignore.__bits[3]); ATF_REQUIRE(sigismember((sigset_t *)&kp.p_sigignore, SIGTRAP)); } SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); if (strcmp(fn, "spawn") == 0) { ATF_REQUIRE_EQ( state.pe_report_event & PTRACE_POSIX_SPAWN, PTRACE_POSIX_SPAWN); } if (strcmp(fn, "fork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK, PTRACE_FORK); } if (strcmp(fn, "vfork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK, PTRACE_VFORK); } child2 = state.pe_other_pid; DPRINTF("Reported ptrace event with forkee %d\n", child2); DPRINTF("Before calling %s() for the forkee %d of the child " "%d\n", TWAIT_FNAME, child2, child); TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0), child2); validate_status_stopped(status, SIGTRAP); name[3] = child2; ATF_REQUIRE_EQ(sysctl(name, namelen, &kp, &len, NULL, 0), 0); if (masked) { DPRINTF("kp_sigmask=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp_sigmask.__bits[0], kp_sigmask.__bits[1], kp_sigmask.__bits[2], kp_sigmask.__bits[3]); DPRINTF("kp.p_sigmask=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp.p_sigmask.__bits[0], kp.p_sigmask.__bits[1], kp.p_sigmask.__bits[2], kp.p_sigmask.__bits[3]); ATF_REQUIRE(sigismember((sigset_t *)&kp.p_sigmask, SIGTRAP)); } if (ignored) { DPRINTF("kp_sigignore=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp_sigignore.__bits[0], kp_sigignore.__bits[1], kp_sigignore.__bits[2], kp_sigignore.__bits[3]); DPRINTF("kp.p_sigignore=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp.p_sigignore.__bits[0], kp.p_sigignore.__bits[1], kp.p_sigignore.__bits[2], kp.p_sigignore.__bits[3]); ATF_REQUIRE(sigismember((sigset_t *)&kp.p_sigignore, SIGTRAP)); } SYSCALL_REQUIRE( ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1); if (strcmp(fn, "spawn") == 0) { ATF_REQUIRE_EQ( state.pe_report_event & PTRACE_POSIX_SPAWN, PTRACE_POSIX_SPAWN); } if (strcmp(fn, "fork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK, PTRACE_FORK); } if (strcmp(fn, "vfork") == 0) { ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK, PTRACE_VFORK); } ATF_REQUIRE_EQ(state.pe_other_pid, child); DPRINTF("Before resuming the forkee process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE( ptrace(PT_CONTINUE, child2, (void *)1, 0) != -1); DPRINTF("Before resuming the child process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1); } if (strcmp(fn, "vforkdone") == 0) { DPRINTF("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); name[3] = child; ATF_REQUIRE_EQ(sysctl(name, namelen, &kp, &len, NULL, 0), 0); /* * SIGCHLD is now pending in the signal queue and * the kernel presents it to userland as a masked signal. */ sigdelset((sigset_t *)&kp.p_sigmask, SIGCHLD); if (masked) { DPRINTF("kp_sigmask=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp_sigmask.__bits[0], kp_sigmask.__bits[1], kp_sigmask.__bits[2], kp_sigmask.__bits[3]); DPRINTF("kp.p_sigmask=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp.p_sigmask.__bits[0], kp.p_sigmask.__bits[1], kp.p_sigmask.__bits[2], kp.p_sigmask.__bits[3]); ATF_REQUIRE(sigismember((sigset_t *)&kp.p_sigmask, SIGTRAP)); } if (ignored) { DPRINTF("kp_sigignore=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp_sigignore.__bits[0], kp_sigignore.__bits[1], kp_sigignore.__bits[2], kp_sigignore.__bits[3]); DPRINTF("kp.p_sigignore=" "%#02" PRIx32 "%02" PRIx32 "%02" PRIx32 "%02" PRIx32 "\n", kp.p_sigignore.__bits[0], kp.p_sigignore.__bits[1], kp.p_sigignore.__bits[2], kp.p_sigignore.__bits[3]); ATF_REQUIRE(sigismember((sigset_t *)&kp.p_sigignore, SIGTRAP)); } SYSCALL_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; DPRINTF("Reported PTRACE_VFORK_DONE event with forkee %d\n", child2); DPRINTF("Before resuming the child process where it left off " "and without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1); } if (strcmp(fn, "spawn") == 0 || strcmp(fn, "fork") == 0 || strcmp(fn, "vfork") == 0) { DPRINTF("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); DPRINTF("Before calling %s() for the forkee - expected no " "process\n", TWAIT_FNAME); TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child2, &status, 0)); } DPRINTF("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); DPRINTF("Before resuming the child process where it left off and " "without signal to be sent\n"); SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1); DPRINTF("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); DPRINTF("Before calling %s() for the child - expected no process\n", TWAIT_FNAME); TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0)); } #define FORK2_TEST(name,fn,masked,ignored) \ ATF_TC(name); \ ATF_TC_HEAD(name, tc) \ { \ atf_tc_set_md_var(tc, "descr", "Verify that " fn " is caught " \ "regardless of signal %s%s", \ masked ? "masked" : "", ignored ? "ignored" : ""); \ } \ \ ATF_TC_BODY(name, tc) \ { \ \ fork2_body(fn, masked, ignored); \ } FORK2_TEST(posix_spawn_singalmasked, "spawn", true, false) FORK2_TEST(posix_spawn_singalignored, "spawn", false, true) FORK2_TEST(fork_singalmasked, "fork", true, false) FORK2_TEST(fork_singalignored, "fork", false, true) FORK2_TEST(vfork_singalmasked, "vfork", true, false) FORK2_TEST(vfork_singalignored, "vfork", false, true) FORK2_TEST(vforkdone_singalmasked, "vforkdone", true, false) FORK2_TEST(vforkdone_singalignored, "vforkdone", false, true) #endif #define ATF_TP_ADD_TCS_PTRACE_WAIT_FORK() \ ATF_TP_ADD_TC(tp, fork1); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork2); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork3); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork4); \ ATF_TP_ADD_TC(tp, fork5); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork6); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork7); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork8); \ ATF_TP_ADD_TC(tp, fork9); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork10); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork11); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork12); \ ATF_TP_ADD_TC(tp, fork13); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork14); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork15); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork16); \ ATF_TP_ADD_TC(tp, vfork1); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork2); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork3); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork4); \ ATF_TP_ADD_TC(tp, vfork5); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork6); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork7); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork8); \ ATF_TP_ADD_TC(tp, vfork9); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork10); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork11); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork12); \ ATF_TP_ADD_TC(tp, vfork13); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork14); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork15); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork16); \ ATF_TP_ADD_TC(tp, posix_spawn1); \ ATF_TP_ADD_TC(tp, posix_spawn2); \ ATF_TP_ADD_TC(tp, posix_spawn3); \ ATF_TP_ADD_TC(tp, posix_spawn4); \ ATF_TP_ADD_TC(tp, posix_spawn5); \ ATF_TP_ADD_TC(tp, posix_spawn6); \ ATF_TP_ADD_TC(tp, posix_spawn7); \ ATF_TP_ADD_TC(tp, posix_spawn8); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn9); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn10); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn11); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn12); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn13); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn14); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn15); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn16); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork1); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork2); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork3); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork4); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork5); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork6); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork7); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork8); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork9); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork10); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork11); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork12); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork13); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork14); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork15); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork16); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork1); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork2); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork3); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork4); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork5); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork6); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork7); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork8); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork9); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork10); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork11); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork12); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork13); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork14); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork15); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork16); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn1); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn2); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn3); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn4); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn5); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn6); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn7); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn8); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn9); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn10); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn11); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn12); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn13); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn14); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn15); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn16); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn_detach_spawner); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork_detach_forker); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork_detach_vforker); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork_detach_vforkerdone); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn_kill_spawner); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork_kill_forker); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork_kill_vforker); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork_kill_vforkerdone); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn_detach_spawner); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork_detach_forker); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork_detach_vforker); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork_detach_vforkerdone); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_posix_spawn_kill_spawner); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_fork_kill_forker); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork_kill_vforker); \ ATF_TP_ADD_TC_HAVE_PID(tp, unrelated_tracer_vfork_kill_vforkerdone); \ ATF_TP_ADD_TC(tp, traceme_vfork_fork); \ ATF_TP_ADD_TC(tp, traceme_vfork_vfork); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn_singalmasked); \ ATF_TP_ADD_TC_HAVE_PID(tp, posix_spawn_singalignored); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork_singalmasked); \ ATF_TP_ADD_TC_HAVE_PID(tp, fork_singalignored); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork_singalmasked); \ ATF_TP_ADD_TC_HAVE_PID(tp, vfork_singalignored); \ ATF_TP_ADD_TC_HAVE_PID(tp, vforkdone_singalmasked); \ ATF_TP_ADD_TC_HAVE_PID(tp, vforkdone_singalignored);