chiark / gitweb /
execute: free directory path if we fail to remove it because we cannot allocate a...
[elogind.git] / src / core / execute.c
index 55b8bb5bea07820c1f77dd57a5806f413d0dc826..3312885b8775833d9b2f7219d88fb284b6a9f7b4 100644 (file)
@@ -38,8 +38,8 @@
 #include <linux/fs.h>
 #include <linux/oom.h>
 #include <sys/poll.h>
-#include <linux/seccomp-bpf.h>
 #include <glob.h>
+#include <sys/personality.h>
 #include <libgen.h>
 #undef basename
 
 #include <security/pam_appl.h>
 #endif
 
+#ifdef HAVE_SELINUX
+#include <selinux/selinux.h>
+#endif
+
+#ifdef HAVE_SECCOMP
+#include <seccomp.h>
+#endif
+
+#ifdef HAVE_APPARMOR
+#include <sys/apparmor.h>
+#endif
+
 #include "execute.h"
 #include "strv.h"
 #include "macro.h"
 #include "utmp-wtmp.h"
 #include "def.h"
 #include "path-util.h"
-#include "syscall-list.h"
 #include "env-util.h"
 #include "fileio.h"
 #include "unit.h"
 #include "async.h"
+#include "selinux-util.h"
+#include "errno-list.h"
+#include "af-list.h"
+#include "apparmor-util.h"
+
+#ifdef HAVE_SECCOMP
+#include "seccomp-util.h"
+#endif
 
 #define IDLE_TIMEOUT_USEC (5*USEC_PER_SEC)
 #define IDLE_TIMEOUT2_USEC (1*USEC_PER_SEC)
@@ -75,6 +94,8 @@
 /* This assumes there is a 'tty' group */
 #define TTY_MODE 0620
 
+#define SNDBUF_SIZE (8*1024*1024)
+
 static int shift_fds(int fds[], unsigned n_fds) {
         int start, restart_from;
 
@@ -221,6 +242,8 @@ static int connect_logger_as(const ExecContext *context, ExecOutput output, cons
                 return -errno;
         }
 
+        fd_inc_sndbuf(fd, SNDBUF_SIZE);
+
         dprintf(fd,
                 "%s\n"
                 "%s\n"
@@ -646,14 +669,13 @@ static int enforce_groups(const ExecContext *context, const char *username, gid_
 }
 
 static int enforce_user(const ExecContext *context, uid_t uid) {
-        int r;
         assert(context);
 
         /* Sets (but doesn't lookup) the uid and make sure we keep the
          * capabilities while doing so. */
 
         if (context->capabilities) {
-                cap_t d;
+                _cleanup_cap_free_ cap_t d = NULL;
                 static const cap_value_t bits[] = {
                         CAP_SETUID,   /* Necessary so that we can run setresuid() below */
                         CAP_SETPCAP   /* Necessary so that we can set PR_SET_SECUREBITS later on */
@@ -673,23 +695,16 @@ static int enforce_user(const ExecContext *context, uid_t uid) {
                 /* Second step: set the capabilities. This will reduce
                  * the capabilities to the minimum we need. */
 
-                if (!(d = cap_dup(context->capabilities)))
+                d = cap_dup(context->capabilities);
+                if (!d)
                         return -errno;
 
                 if (cap_set_flag(d, CAP_EFFECTIVE, ELEMENTSOF(bits), bits, CAP_SET) < 0 ||
-                    cap_set_flag(d, CAP_PERMITTED, ELEMENTSOF(bits), bits, CAP_SET) < 0) {
-                        r = -errno;
-                        cap_free(d);
-                        return r;
-                }
-
-                if (cap_set_proc(d) < 0) {
-                        r = -errno;
-                        cap_free(d);
-                        return r;
-                }
+                    cap_set_flag(d, CAP_PERMITTED, ELEMENTSOF(bits), bits, CAP_SET) < 0)
+                        return -errno;
 
-                cap_free(d);
+                if (cap_set_proc(d) < 0)
+                        return -errno;
         }
 
         /* Third step: actually set the uids */
@@ -932,58 +947,180 @@ static void rename_process_from_path(const char *path) {
         rename_process(process_name);
 }
 
-static int apply_seccomp(uint32_t *syscall_filter) {
-        static const struct sock_filter header[] = {
-                VALIDATE_ARCHITECTURE,
-                EXAMINE_SYSCALL
-        };
-        static const struct sock_filter footer[] = {
-                _KILL_PROCESS
-        };
+#ifdef HAVE_SECCOMP
 
-        int i;
-        unsigned n;
-        struct sock_filter *f;
-        struct sock_fprog prog = {};
+static int apply_seccomp(ExecContext *c) {
+        uint32_t negative_action, action;
+        scmp_filter_ctx *seccomp;
+        Iterator i;
+        void *id;
+        int r;
 
-        assert(syscall_filter);
+        assert(c);
 
-        /* First: count the syscalls to check for */
-        for (i = 0, n = 0; i < syscall_max(); i++)
-                if (syscall_filter[i >> 4] & (1 << (i & 31)))
-                        n++;
+        negative_action = c->syscall_errno == 0 ? SCMP_ACT_KILL : SCMP_ACT_ERRNO(c->syscall_errno);
 
-        /* Second: build the filter program from a header the syscall
-         * matches and the footer */
-        f = alloca(sizeof(struct sock_filter) * (ELEMENTSOF(header) + 2*n + ELEMENTSOF(footer)));
-        memcpy(f, header, sizeof(header));
+        seccomp = seccomp_init(c->syscall_whitelist ? negative_action : SCMP_ACT_ALLOW);
+        if (!seccomp)
+                return -ENOMEM;
 
-        for (i = 0, n = 0; i < syscall_max(); i++)
-                if (syscall_filter[i >> 4] & (1 << (i & 31))) {
-                        struct sock_filter item[] = {
-                                BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, INDEX_TO_SYSCALL(i), 0, 1),
-                                BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_ALLOW)
-                        };
+        if (c->syscall_archs) {
+
+                SET_FOREACH(id, c->syscall_archs, i) {
+                        r = seccomp_arch_add(seccomp, PTR_TO_UINT32(id) - 1);
+                        if (r == -EEXIST)
+                                continue;
+                        if (r < 0)
+                                goto finish;
+                }
+
+        } else {
+                r = seccomp_add_secondary_archs(seccomp);
+                if (r < 0)
+                        goto finish;
+        }
 
-                        assert_cc(ELEMENTSOF(item) == 2);
+        action = c->syscall_whitelist ? SCMP_ACT_ALLOW : negative_action;
+        SET_FOREACH(id, c->syscall_filter, i) {
+                r = seccomp_rule_add(seccomp, action, PTR_TO_INT(id) - 1, 0);
+                if (r < 0)
+                        goto finish;
+        }
 
-                        f[ELEMENTSOF(header) + 2*n]  = item[0];
-                        f[ELEMENTSOF(header) + 2*n+1] = item[1];
+        r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0);
+        if (r < 0)
+                goto finish;
 
-                        n++;
+        r = seccomp_load(seccomp);
+
+finish:
+        seccomp_release(seccomp);
+        return r;
+}
+
+static int apply_address_families(ExecContext *c) {
+        scmp_filter_ctx *seccomp;
+        Iterator i;
+        int r;
+
+        assert(c);
+
+        seccomp = seccomp_init(SCMP_ACT_ALLOW);
+        if (!seccomp)
+                return -ENOMEM;
+
+        r = seccomp_add_secondary_archs(seccomp);
+        if (r < 0)
+                goto finish;
+
+        if (c->address_families_whitelist) {
+                int af, first = 0, last = 0;
+                void *afp;
+
+                /* If this is a whitelist, we first block the address
+                 * families that are out of range and then everything
+                 * that is not in the set. First, we find the lowest
+                 * and highest address family in the set. */
+
+                SET_FOREACH(afp, c->address_families, i) {
+                        af = PTR_TO_INT(afp);
+
+                        if (af <= 0 || af >= af_max())
+                                continue;
+
+                        if (first == 0 || af < first)
+                                first = af;
+
+                        if (last == 0 || af > last)
+                                last = af;
                 }
 
-        memcpy(f + (ELEMENTSOF(header) + 2*n), footer, sizeof(footer));
+                assert((first == 0) == (last == 0));
 
-        /* Third: install the filter */
-        prog.len = ELEMENTSOF(header) + ELEMENTSOF(footer) + 2*n;
-        prog.filter = f;
-        if (prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &prog) < 0)
-                return -errno;
+                if (first == 0) {
 
-        return 0;
+                        /* No entries in the valid range, block everything */
+                        r = seccomp_rule_add(
+                                        seccomp,
+                                        SCMP_ACT_ERRNO(EPROTONOSUPPORT),
+                                        SCMP_SYS(socket),
+                                        0);
+                        if (r < 0)
+                                goto finish;
+
+                } else {
+
+                        /* Block everything below the first entry */
+                        r = seccomp_rule_add(
+                                        seccomp,
+                                        SCMP_ACT_ERRNO(EPROTONOSUPPORT),
+                                        SCMP_SYS(socket),
+                                        1,
+                                        SCMP_A0(SCMP_CMP_LT, first));
+                        if (r < 0)
+                                goto finish;
+
+                        /* Block everything above the last entry */
+                        r = seccomp_rule_add(
+                                        seccomp,
+                                        SCMP_ACT_ERRNO(EPROTONOSUPPORT),
+                                        SCMP_SYS(socket),
+                                        1,
+                                        SCMP_A0(SCMP_CMP_GT, last));
+                        if (r < 0)
+                                goto finish;
+
+                        /* Block everything between the first and last
+                         * entry */
+                        for (af = 1; af < af_max(); af++) {
+
+                                if (set_contains(c->address_families, INT_TO_PTR(af)))
+                                        continue;
+
+                                r = seccomp_rule_add(
+                                                seccomp,
+                                                SCMP_ACT_ERRNO(EPROTONOSUPPORT),
+                                                SCMP_SYS(socket),
+                                                1,
+                                                SCMP_A0(SCMP_CMP_EQ, af));
+                                if (r < 0)
+                                        goto finish;
+                        }
+                }
+
+        } else {
+                void *af;
+
+                /* If this is a blacklist, then generate one rule for
+                 * each address family that are then combined in OR
+                 * checks. */
+
+                SET_FOREACH(af, c->address_families, i) {
+
+                        r = seccomp_rule_add(
+                                        seccomp,
+                                        SCMP_ACT_ERRNO(EPROTONOSUPPORT),
+                                        SCMP_SYS(socket),
+                                        1,
+                                        SCMP_A0(SCMP_CMP_EQ, PTR_TO_INT(af)));
+                        if (r < 0)
+                                goto finish;
+                }
+        }
+
+        r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0);
+        if (r < 0)
+                goto finish;
+
+        r = seccomp_load(seccomp);
+
+finish:
+        seccomp_release(seccomp);
+        return r;
 }
 
+#endif
+
 static void do_idle_pipe_dance(int idle_pipe[4]) {
         assert(idle_pipe);
 
@@ -1013,6 +1150,92 @@ static void do_idle_pipe_dance(int idle_pipe[4]) {
                 close_nointr_nofail(idle_pipe[3]);
 }
 
+static int build_environment(
+                ExecContext *c,
+                unsigned n_fds,
+                usec_t watchdog_usec,
+                const char *home,
+                const char *username,
+                const char *shell,
+                char ***ret) {
+
+        _cleanup_strv_free_ char **our_env = NULL;
+        unsigned n_env = 0;
+        char *x;
+
+        assert(c);
+        assert(ret);
+
+        our_env = new0(char*, 10);
+        if (!our_env)
+                return -ENOMEM;
+
+        if (n_fds > 0) {
+                if (asprintf(&x, "LISTEN_PID="PID_FMT, getpid()) < 0)
+                        return -ENOMEM;
+                our_env[n_env++] = x;
+
+                if (asprintf(&x, "LISTEN_FDS=%u", n_fds) < 0)
+                        return -ENOMEM;
+                our_env[n_env++] = x;
+        }
+
+        if (watchdog_usec > 0) {
+                if (asprintf(&x, "WATCHDOG_PID="PID_FMT, getpid()) < 0)
+                        return -ENOMEM;
+                our_env[n_env++] = x;
+
+                if (asprintf(&x, "WATCHDOG_USEC=%llu", (unsigned long long) watchdog_usec) < 0)
+                        return -ENOMEM;
+                our_env[n_env++] = x;
+        }
+
+        if (home) {
+                x = strappend("HOME=", home);
+                if (!x)
+                        return -ENOMEM;
+                our_env[n_env++] = x;
+        }
+
+        if (username) {
+                x = strappend("LOGNAME=", username);
+                if (!x)
+                        return -ENOMEM;
+                our_env[n_env++] = x;
+
+                x = strappend("USER=", username);
+                if (!x)
+                        return -ENOMEM;
+                our_env[n_env++] = x;
+        }
+
+        if (shell) {
+                x = strappend("SHELL=", shell);
+                if (!x)
+                        return -ENOMEM;
+                our_env[n_env++] = x;
+        }
+
+        if (is_terminal_input(c->std_input) ||
+            c->std_output == EXEC_OUTPUT_TTY ||
+            c->std_error == EXEC_OUTPUT_TTY ||
+            c->tty_path) {
+
+                x = strdup(default_term_for_tty(tty_path(c)));
+                if (!x)
+                        return -ENOMEM;
+                our_env[n_env++] = x;
+        }
+
+        our_env[n_env++] = NULL;
+        assert(n_env <= 10);
+
+        *ret = our_env;
+        our_env = NULL;
+
+        return 0;
+}
+
 int exec_spawn(ExecCommand *command,
                char **argv,
                ExecContext *context,
@@ -1025,6 +1248,7 @@ int exec_spawn(ExecCommand *command,
                CGroupControllerMask cgroup_supported,
                const char *cgroup_path,
                const char *unit_id,
+               usec_t watchdog_usec,
                int idle_pipe[4],
                ExecRuntime *runtime,
                pid_t *ret) {
@@ -1085,7 +1309,7 @@ int exec_spawn(ExecCommand *command,
         if (pid == 0) {
                 _cleanup_strv_free_ char **our_env = NULL, **pam_env = NULL, **final_env = NULL, **final_argv = NULL;
                 const char *username = NULL, *home = NULL, *shell = NULL;
-                unsigned n_dont_close = 0, n_env = 0;
+                unsigned n_dont_close = 0;
                 int dont_close[n_fds + 3];
                 uid_t uid = (uid_t) -1;
                 gid_t gid = (gid_t) -1;
@@ -1276,6 +1500,13 @@ int exec_spawn(ExecCommand *command,
                                 goto fail_child;
                         }
 
+                if (context->personality != 0xffffffffUL)
+                        if (personality(context->personality) < 0) {
+                                err = -errno;
+                                r = EXIT_PERSONALITY;
+                                goto fail_child;
+                        }
+
                 if (context->utmp_id)
                         utmp_put_init_process(context->utmp_id, getpid(), getsid(0), context->tty_path);
 
@@ -1344,7 +1575,8 @@ int exec_spawn(ExecCommand *command,
                     !strv_isempty(context->read_only_dirs) ||
                     !strv_isempty(context->inaccessible_dirs) ||
                     context->mount_flags != 0 ||
-                    (context->private_tmp && runtime && (runtime->tmp_dir || runtime->var_tmp_dir))) {
+                    (context->private_tmp && runtime && (runtime->tmp_dir || runtime->var_tmp_dir)) ||
+                    context->private_devices) {
 
                         char *tmp = NULL, *var = NULL;
 
@@ -1367,6 +1599,7 @@ int exec_spawn(ExecCommand *command,
                                         context->inaccessible_dirs,
                                         tmp,
                                         var,
+                                        context->private_devices,
                                         context->mount_flags);
 
                         if (err < 0) {
@@ -1472,38 +1705,54 @@ int exec_spawn(ExecCommand *command,
                                         goto fail_child;
                                 }
 
-                        if (context->syscall_filter) {
-                                err = apply_seccomp(context->syscall_filter);
+#ifdef HAVE_SECCOMP
+                        if (context->address_families_whitelist ||
+                            !set_isempty(context->address_families)) {
+                                err = apply_address_families(context);
+                                if (err < 0) {
+                                        r = EXIT_ADDRESS_FAMILIES;
+                                        goto fail_child;
+                                }
+                        }
+
+                        if (context->syscall_whitelist ||
+                            !set_isempty(context->syscall_filter) ||
+                            !set_isempty(context->syscall_archs)) {
+                                err = apply_seccomp(context);
                                 if (err < 0) {
                                         r = EXIT_SECCOMP;
                                         goto fail_child;
                                 }
                         }
-                }
+#endif
 
-                our_env = new(char*, 8);
-                if (!our_env ||
-                    (n_fds > 0 && (
-                            asprintf(our_env + n_env++, "LISTEN_PID=%lu", (unsigned long) getpid()) < 0 ||
-                            asprintf(our_env + n_env++, "LISTEN_FDS=%u", n_fds) < 0)) ||
-                    (home && asprintf(our_env + n_env++, "HOME=%s", home) < 0) ||
-                    (username && (
-                            asprintf(our_env + n_env++, "LOGNAME=%s", username) < 0 ||
-                            asprintf(our_env + n_env++, "USER=%s", username) < 0)) ||
-                    (shell && asprintf(our_env + n_env++, "SHELL=%s", shell) < 0) ||
-                    ((is_terminal_input(context->std_input) ||
-                      context->std_output == EXEC_OUTPUT_TTY ||
-                      context->std_error == EXEC_OUTPUT_TTY) && (
-                              !(our_env[n_env++] = strdup(default_term_for_tty(tty_path(context))))))) {
+#ifdef HAVE_SELINUX
+                        if (context->selinux_context && use_selinux()) {
+                                err = setexeccon(context->selinux_context);
+                                if (err < 0 && !context->selinux_context_ignore) {
+                                        r = EXIT_SELINUX_CONTEXT;
+                                        goto fail_child;
+                                }
+                        }
+#endif
 
-                        err = -ENOMEM;
+#ifdef HAVE_APPARMOR
+                        if (context->apparmor_profile && use_apparmor()) {
+                                err = aa_change_onexec(context->apparmor_profile);
+                                if (err < 0 && !context->apparmor_profile_ignore) {
+                                        r = EXIT_APPARMOR_PROFILE;
+                                        goto fail_child;
+                                }
+                        }
+#endif
+                }
+
+                err = build_environment(context, n_fds, watchdog_usec, home, username, shell, &our_env);
+                if (r < 0) {
                         r = EXIT_MEMORY;
                         goto fail_child;
                 }
 
-                our_env[n_env++] = NULL;
-                assert(n_env <= 8);
-
                 final_env = strv_env_merge(5,
                                            environment,
                                            our_env,
@@ -1562,8 +1811,8 @@ int exec_spawn(ExecCommand *command,
 
         log_struct_unit(LOG_DEBUG,
                         unit_id,
-                        "MESSAGE=Forked %s as %lu",
-                        command->path, (unsigned long) pid,
+                        "MESSAGE=Forked %s as "PID_FMT,
+                        command->path, pid,
                         NULL);
 
         /* We add the new process to the cgroup both in the child (so
@@ -1590,6 +1839,7 @@ void exec_context_init(ExecContext *c) {
         c->syslog_level_prefix = true;
         c->ignore_sigpipe = true;
         c->timer_slack_nsec = (nsec_t) -1;
+        c->personality = 0xffffffffUL;
 }
 
 void exec_context_done(ExecContext *c) {
@@ -1654,8 +1904,20 @@ void exec_context_done(ExecContext *c) {
         free(c->utmp_id);
         c->utmp_id = NULL;
 
-        free(c->syscall_filter);
+        free(c->selinux_context);
+        c->selinux_context = NULL;
+
+        free(c->apparmor_profile);
+        c->apparmor_profile = NULL;
+
+        set_free(c->syscall_filter);
         c->syscall_filter = NULL;
+
+        set_free(c->syscall_archs);
+        c->syscall_archs = NULL;
+
+        set_free(c->address_families);
+        c->address_families = NULL;
 }
 
 void exec_command_done(ExecCommand *c) {
@@ -1830,6 +2092,7 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
                 "%sNonBlocking: %s\n"
                 "%sPrivateTmp: %s\n"
                 "%sPrivateNetwork: %s\n"
+                "%sPrivateDevices: %s\n"
                 "%sIgnoreSIGPIPE: %s\n",
                 prefix, c->umask,
                 prefix, c->working_directory ? c->working_directory : "/",
@@ -1837,6 +2100,7 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
                 prefix, yes_no(c->non_blocking),
                 prefix, yes_no(c->private_tmp),
                 prefix, yes_no(c->private_network),
+                prefix, yes_no(c->private_devices),
                 prefix, yes_no(c->ignore_sigpipe));
 
         STRV_FOREACH(e, c->environment)
@@ -1865,27 +2129,20 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
                         fprintf(f, "%s%s: %llu\n", prefix, rlimit_to_string(i), (unsigned long long) c->rlimit[i]->rlim_max);
 
         if (c->ioprio_set) {
-                char *class_str;
-                int r;
+                _cleanup_free_ char *class_str = NULL;
 
-                r = ioprio_class_to_string_alloc(IOPRIO_PRIO_CLASS(c->ioprio), &class_str);
-                if (r < 0)
-                        class_str = NULL;
+                ioprio_class_to_string_alloc(IOPRIO_PRIO_CLASS(c->ioprio), &class_str);
                 fprintf(f,
                         "%sIOSchedulingClass: %s\n"
                         "%sIOPriority: %i\n",
                         prefix, strna(class_str),
                         prefix, (int) IOPRIO_PRIO_DATA(c->ioprio));
-                free(class_str);
         }
 
         if (c->cpu_sched_set) {
-                char *policy_str;
-                int r;
+                _cleanup_free_ char *policy_str = NULL;
 
-                r = sched_policy_to_string_alloc(c->cpu_sched_policy, &policy_str);
-                if (r < 0)
-                        policy_str = NULL;
+                sched_policy_to_string_alloc(c->cpu_sched_policy, &policy_str);
                 fprintf(f,
                         "%sCPUSchedulingPolicy: %s\n"
                         "%sCPUSchedulingPriority: %i\n"
@@ -1893,19 +2150,18 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
                         prefix, strna(policy_str),
                         prefix, c->cpu_sched_priority,
                         prefix, yes_no(c->cpu_sched_reset_on_fork));
-                free(policy_str);
         }
 
         if (c->cpuset) {
                 fprintf(f, "%sCPUAffinity:", prefix);
                 for (i = 0; i < c->cpuset_ncpus; i++)
                         if (CPU_ISSET_S(i, CPU_ALLOC_SIZE(c->cpuset_ncpus), c->cpuset))
-                                fprintf(f, " %i", i);
+                                fprintf(f, " %u", i);
                 fputs("\n", f);
         }
 
         if (c->timer_slack_nsec != (nsec_t) -1)
-                fprintf(f, "%sTimerSlackNSec: %lu\n", prefix, (unsigned long)c->timer_slack_nsec);
+                fprintf(f, "%sTimerSlackNSec: "NSEC_FMT "\n", prefix, c->timer_slack_nsec);
 
         fprintf(f,
                 "%sStandardInput: %s\n"
@@ -1926,37 +2182,37 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
                         prefix, yes_no(c->tty_vhangup),
                         prefix, yes_no(c->tty_vt_disallocate));
 
-        if (c->std_output == EXEC_OUTPUT_SYSLOG || c->std_output == EXEC_OUTPUT_KMSG || c->std_output == EXEC_OUTPUT_JOURNAL ||
-            c->std_output == EXEC_OUTPUT_SYSLOG_AND_CONSOLE || c->std_output == EXEC_OUTPUT_KMSG_AND_CONSOLE || c->std_output == EXEC_OUTPUT_JOURNAL_AND_CONSOLE ||
-            c->std_error == EXEC_OUTPUT_SYSLOG || c->std_error == EXEC_OUTPUT_KMSG || c->std_error == EXEC_OUTPUT_JOURNAL ||
-            c->std_error == EXEC_OUTPUT_SYSLOG_AND_CONSOLE || c->std_error == EXEC_OUTPUT_KMSG_AND_CONSOLE || c->std_error == EXEC_OUTPUT_JOURNAL_AND_CONSOLE) {
-                char *fac_str, *lvl_str;
-                int r;
+        if (c->std_output == EXEC_OUTPUT_SYSLOG ||
+            c->std_output == EXEC_OUTPUT_KMSG ||
+            c->std_output == EXEC_OUTPUT_JOURNAL ||
+            c->std_output == EXEC_OUTPUT_SYSLOG_AND_CONSOLE ||
+            c->std_output == EXEC_OUTPUT_KMSG_AND_CONSOLE ||
+            c->std_output == EXEC_OUTPUT_JOURNAL_AND_CONSOLE ||
+            c->std_error == EXEC_OUTPUT_SYSLOG ||
+            c->std_error == EXEC_OUTPUT_KMSG ||
+            c->std_error == EXEC_OUTPUT_JOURNAL ||
+            c->std_error == EXEC_OUTPUT_SYSLOG_AND_CONSOLE ||
+            c->std_error == EXEC_OUTPUT_KMSG_AND_CONSOLE ||
+            c->std_error == EXEC_OUTPUT_JOURNAL_AND_CONSOLE) {
 
-                r = log_facility_unshifted_to_string_alloc(c->syslog_priority >> 3, &fac_str);
-                if (r < 0)
-                        fac_str = NULL;
+                _cleanup_free_ char *fac_str = NULL, *lvl_str = NULL;
 
-                r = log_level_to_string_alloc(LOG_PRI(c->syslog_priority), &lvl_str);
-                if (r < 0)
-                        lvl_str = NULL;
+                log_facility_unshifted_to_string_alloc(c->syslog_priority >> 3, &fac_str);
+                log_level_to_string_alloc(LOG_PRI(c->syslog_priority), &lvl_str);
 
                 fprintf(f,
                         "%sSyslogFacility: %s\n"
                         "%sSyslogLevel: %s\n",
                         prefix, strna(fac_str),
                         prefix, strna(lvl_str));
-                free(lvl_str);
-                free(fac_str);
         }
 
         if (c->capabilities) {
-                char *t;
-                if ((t = cap_to_text(c->capabilities, NULL))) {
-                        fprintf(f, "%sCapabilities: %s\n",
-                                prefix, t);
-                        cap_free(t);
-                }
+                _cleanup_cap_free_charp_ char *t;
+
+                t = cap_to_text(c->capabilities, NULL);
+                if (t)
+                        fprintf(f, "%sCapabilities: %s\n", prefix, t);
         }
 
         if (c->secure_bits)
@@ -1975,12 +2231,11 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
 
                 for (l = 0; l <= cap_last_cap(); l++)
                         if (!(c->capability_bounding_set_drop & ((uint64_t) 1ULL << (uint64_t) l))) {
-                                char *t;
+                                _cleanup_cap_free_charp_ char *t;
 
-                                if ((t = cap_to_name(l))) {
+                                t = cap_to_name(l);
+                                if (t)
                                         fprintf(f, " %s", t);
-                                        cap_free(t);
-                                }
                         }
 
                 fputs("\n", f);
@@ -2022,6 +2277,74 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
                 fprintf(f,
                         "%sUtmpIdentifier: %s\n",
                         prefix, c->utmp_id);
+
+        if (c->selinux_context)
+                fprintf(f,
+                        "%sSELinuxContext: %s%s\n",
+                        prefix, c->selinux_context_ignore ? "-" : "", c->selinux_context);
+
+        if (c->personality != 0xffffffffUL)
+                fprintf(f,
+                        "%sPersonality: %s\n",
+                        prefix, strna(personality_to_string(c->personality)));
+
+        if (c->syscall_filter) {
+#ifdef HAVE_SECCOMP
+                Iterator j;
+                void *id;
+                bool first = true;
+#endif
+
+                fprintf(f,
+                        "%sSystemCallFilter: ",
+                        prefix);
+
+                if (!c->syscall_whitelist)
+                        fputc('~', f);
+
+#ifdef HAVE_SECCOMP
+                SET_FOREACH(id, c->syscall_filter, j) {
+                        _cleanup_free_ char *name = NULL;
+
+                        if (first)
+                                first = false;
+                        else
+                                fputc(' ', f);
+
+                        name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1);
+                        fputs(strna(name), f);
+                }
+#endif
+
+                fputc('\n', f);
+        }
+
+        if (c->syscall_archs) {
+#ifdef HAVE_SECCOMP
+                Iterator j;
+                void *id;
+#endif
+
+                fprintf(f,
+                        "%sSystemCallArchitectures:",
+                        prefix);
+
+#ifdef HAVE_SECCOMP
+                SET_FOREACH(id, c->syscall_archs, j)
+                        fprintf(f, " %s", strna(seccomp_arch_to_string(PTR_TO_UINT32(id) - 1)));
+#endif
+                fputc('\n', f);
+        }
+
+        if (c->syscall_errno != 0)
+                fprintf(f,
+                        "%sSystemCallErrorNumber: %s\n",
+                        prefix, strna(errno_to_name(c->syscall_errno)));
+
+        if (c->apparmor_profile)
+                fprintf(f,
+                        "%sAppArmorProfile: %s%s\n",
+                        prefix, c->apparmor_profile_ignore ? "-" : "", c->apparmor_profile);
 }
 
 void exec_status_start(ExecStatus *s, pid_t pid) {
@@ -2065,8 +2388,8 @@ void exec_status_dump(ExecStatus *s, FILE *f, const char *prefix) {
                 return;
 
         fprintf(f,
-                "%sPID: %lu\n",
-                prefix, (unsigned long) s->pid);
+                "%sPID: "PID_FMT"\n",
+                prefix, s->pid);
 
         if (s->start_timestamp.realtime > 0)
                 fprintf(f,
@@ -2208,7 +2531,7 @@ static int exec_runtime_allocate(ExecRuntime **rt) {
                 return 0;
 
         *rt = new0(ExecRuntime, 1);
-        if (!rt)
+        if (!*rt)
                 return -ENOMEM;
 
         (*rt)->n_ref = 1;
@@ -2390,6 +2713,8 @@ static void *remove_tmpdir_thread(void *p) {
 }
 
 void exec_runtime_destroy(ExecRuntime *rt) {
+        int r;
+
         if (!rt)
                 return;
 
@@ -2399,13 +2724,25 @@ void exec_runtime_destroy(ExecRuntime *rt) {
 
         if (rt->tmp_dir) {
                 log_debug("Spawning thread to nuke %s", rt->tmp_dir);
-                asynchronous_job(remove_tmpdir_thread, rt->tmp_dir);
+
+                r = asynchronous_job(remove_tmpdir_thread, rt->tmp_dir);
+                if (r < 0) {
+                        log_warning("Failed to nuke %s: %s", rt->tmp_dir, strerror(-r));
+                        free(rt->tmp_dir);
+                }
+
                 rt->tmp_dir = NULL;
         }
 
         if (rt->var_tmp_dir) {
                 log_debug("Spawning thread to nuke %s", rt->var_tmp_dir);
-                asynchronous_job(remove_tmpdir_thread, rt->var_tmp_dir);
+
+                r = asynchronous_job(remove_tmpdir_thread, rt->var_tmp_dir);
+                if (r < 0) {
+                        log_warning("Failed to nuke %s: %s", rt->var_tmp_dir, strerror(-r));
+                        free(rt->var_tmp_dir);
+                }
+
                 rt->var_tmp_dir = NULL;
         }