Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 375 insertions, 0 deletions

diff --git a/test/units/testsuite-07.exec-context.sh b/test/units/testsuite-07.exec-context.sh
new file mode 100755
index 0000000..66e8fce
--- /dev/null
+++ b/test/units/testsuite-07.exec-context.sh
@@ -0,0 +1,375 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# shellcheck disable=SC2016
+set -eux
+set -o pipefail
+
+# shellcheck source=test/units/util.sh
+. "$(dirname "$0")"/util.sh
+
+# Make sure the unit's exec context matches its configuration
+# See: https://github.com/systemd/systemd/pull/29552
+
+# Even though hidepid= was introduced in kernel 3.3, we support only
+# the post 5.8 implementation that allows us to apply the option per-instance,
+# instead of the whole namespace. To distinguish between these two implementations
+# lets check if we can mount procfs with a named value (e.g. hidepid=off), since
+# support for this was introduced in the same commit as the per-instance stuff
+proc_supports_option() {
+    local option="${1:?}"
+    local proc_tmp ec
+
+    proc_tmp="$(mktemp -d)"
+    mount -t proc -o "$option" proc "$proc_tmp" && ec=0 || ec=$?
+    mountpoint -q "$proc_tmp" && umount -q "$proc_tmp"
+    rm -rf "$proc_tmp"
+
+    return $ec
+}
+
+# In coverage builds we disable ProtectSystem= and ProtectHome= via a service.d
+# dropin in /etc. This dropin has, unfortunately, higher priority than
+# the transient stuff from systemd-run. Let's just skip the following tests
+# in that case instead of complicating the test setup even more */
+if [[ -z "${COVERAGE_BUILD_DIR:-}" ]]; then
+    systemd-run --wait --pipe -p ProtectSystem=yes \
+        bash -xec "test ! -w /usr; test ! -w /boot; test -w /etc; test -w /var"
+    systemd-run --wait --pipe -p ProtectSystem=full \
+        bash -xec "test ! -w /usr; test ! -w /boot; test ! -w /etc; test -w /var"
+    systemd-run --wait --pipe -p ProtectSystem=strict \
+        bash -xec "test ! -w /; test ! -w /etc; test ! -w /var; test -w /dev; test -w /proc"
+    systemd-run --wait --pipe -p ProtectSystem=no \
+        bash -xec "test -w /; test -w /etc; test -w /var; test -w /dev; test -w /proc"
+
+    MARK="$(mktemp /root/.exec-context.XXX)"
+    systemd-run --wait --pipe -p ProtectHome=yes \
+        bash -xec "test ! -w /home; test ! -w /root; test ! -w /run/user; test ! -e $MARK"
+    systemd-run --wait --pipe -p ProtectHome=read-only \
+        bash -xec "test ! -w /home; test ! -w /root; test ! -w /run/user; test -e $MARK"
+    systemd-run --wait --pipe -p ProtectHome=tmpfs \
+        bash -xec "test -w /home; test -w /root; test -w /run/user; test ! -e $MARK"
+    systemd-run --wait --pipe -p ProtectHome=no \
+        bash -xec "test -w /home; test -w /root; test -w /run/user; test -e $MARK"
+    rm -f "$MARK"
+fi
+
+if proc_supports_option "hidepid=off"; then
+    systemd-run --wait --pipe -p ProtectProc=noaccess -p User=testuser \
+        bash -xec 'test -e /proc/1; test ! -r /proc/1; test -r /proc/$$$$/comm'
+    systemd-run --wait --pipe -p ProtectProc=invisible -p User=testuser \
+        bash -xec 'test ! -e /proc/1; test -r /proc/$$$$/comm'
+    systemd-run --wait --pipe -p ProtectProc=ptraceable -p User=testuser \
+        bash -xec 'test ! -e /proc/1; test -r /proc/$$$$/comm'
+    systemd-run --wait --pipe -p ProtectProc=ptraceable -p User=testuser -p AmbientCapabilities=CAP_SYS_PTRACE \
+        bash -xec 'test -r /proc/1; test -r /proc/$$$$/comm'
+    systemd-run --wait --pipe -p ProtectProc=default -p User=testuser \
+        bash -xec 'test -r /proc/1; test -r /proc/$$$$/comm'
+fi
+
+if proc_supports_option "subset=pid"; then
+    systemd-run --wait --pipe -p ProcSubset=pid -p User=testuser \
+        bash -xec "test -r /proc/1/comm; test ! -e /proc/cpuinfo"
+    systemd-run --wait --pipe -p ProcSubset=all -p User=testuser \
+        bash -xec "test -r /proc/1/comm; test -r /proc/cpuinfo"
+fi
+
+if ! systemd-detect-virt -cq; then
+    systemd-run --wait --pipe -p ProtectKernelLogs=yes -p User=testuser \
+        bash -xec "test ! -r /dev/kmsg"
+    systemd-run --wait --pipe -p ProtectKernelLogs=no -p User=testuser \
+        bash -xec "test -r /dev/kmsg"
+fi
+
+systemd-run --wait --pipe -p BindPaths="/etc /home:/mnt:norbind -/foo/bar/baz:/usr:rbind" \
+    bash -xec "mountpoint /etc; test -d /etc/systemd; mountpoint /mnt; ! mountpoint /usr"
+systemd-run --wait --pipe -p BindReadOnlyPaths="/etc /home:/mnt:norbind -/foo/bar/baz:/usr:rbind" \
+    bash -xec "test ! -w /etc; test ! -w /mnt; ! mountpoint /usr"
+# Make sure we properly serialize/deserialize paths with spaces
+# See: https://github.com/systemd/systemd/issues/30747
+touch "/tmp/test file with spaces"
+systemd-run --wait --pipe -p TemporaryFileSystem="/tmp" -p BindPaths="/etc /home:/mnt:norbind /tmp/test\ file\ with\ spaces" \
+    bash -xec "mountpoint /etc; test -d /etc/systemd; mountpoint /mnt; stat '/tmp/test file with spaces'"
+systemd-run --wait --pipe -p TemporaryFileSystem="/tmp" -p BindPaths="/etc /home:/mnt:norbind /tmp/test\ file\ with\ spaces:/tmp/destination\ wi\:th\ spaces" \
+    bash -xec "mountpoint /etc; test -d /etc/systemd; mountpoint /mnt; stat '/tmp/destination wi:th spaces'"
+
+# Check if we correctly serialize, deserialize, and set directives that
+# have more complex internal handling
+if ! systemd-detect-virt -cq; then
+    # Funny detail: this originally used the underlying rootfs device, but that,
+    # for some reason, caused "divide error" in kernel, followed by a kernel panic
+    TEMPFILE="$(mktemp)"
+    LODEV="$(losetup --show -f "$TEMPFILE")"
+    ROOT_DEV_MAJ_MIN="$(lsblk -nro MAJ:MIN "$LODEV")"
+    EXPECTED_IO_MAX="$ROOT_DEV_MAJ_MIN rbps=1000 wbps=1000000000000 riops=2000000000 wiops=4000"
+    EXPECTED_IO_LATENCY="$ROOT_DEV_MAJ_MIN target=69000"
+    SERVICE_NAME="test-io-directives-$RANDOM.service"
+    CGROUP_PATH="/sys/fs/cgroup/system.slice/$SERVICE_NAME"
+
+    # IO*=
+    ARGUMENTS=(
+        # Throw in a couple of invalid entries just to test things out
+        -p IOReadBandwidthMax="/foo/bar 1M"
+        -p IOReadBandwidthMax="/foo/baz 1M"
+        -p IOReadBandwidthMax="$LODEV 1M"
+        -p IOReadBandwidthMax="$LODEV 1K"
+        -p IOWriteBandwidthMax="$LODEV 1G"
+        -p IOWriteBandwidthMax="$LODEV 1T"
+        -p IOReadIOPSMax="$LODEV 2G"
+        -p IOWriteIOPSMax="$LODEV 4K"
+        -p IODeviceLatencyTargetSec="$LODEV 666ms"
+        -p IODeviceLatencyTargetSec="/foo/bar 69ms"
+        -p IODeviceLatencyTargetSec="$LODEV 69ms"
+        -p IOReadBandwidthMax="/foo/bar 1M"
+        -p IOReadBandwidthMax="/foo/baz 1M"
+        # TODO: IODeviceWeight= doesn't work on loop devices and virtual disks
+        -p IODeviceWeight="$LODEV 999"
+        -p IODeviceWeight="/foo/bar 999"
+    )
+
+    systemctl set-property system.slice IOAccounting=yes
+    # io.latency not available by default on Debian stable
+    if [[ -e /sys/fs/cgroup/system.slice/io.latency ]]; then
+        systemd-run --wait --pipe --unit "$SERVICE_NAME" "${ARGUMENTS[@]}" \
+            bash -xec "diff <(echo $EXPECTED_IO_MAX) $CGROUP_PATH/io.max; diff <(echo $EXPECTED_IO_LATENCY) $CGROUP_PATH/io.latency"
+    fi
+
+    # CPUScheduling=
+    ARGUMENTS=(
+        -p CPUSchedulingPolicy=rr   # ID: 2
+        -p CPUSchedulingPolicy=fifo # ID: 1
+        -p CPUSchedulingPriority=5  # Actual prio: 94 (99 - prio)
+        -p CPUSchedulingPriority=10 # Actual prio: 89 (99 - prio)
+    )
+
+    systemd-run --wait --pipe --unit "$SERVICE_NAME" "${ARGUMENTS[@]}" \
+        bash -xec 'grep -E "^policy\s*:\s*1$" /proc/self/sched; grep -E "^prio\s*:\s*89$" /proc/self/sched'
+
+    # Device*=
+    ARGUMENTS=(
+        -p DevicePolicy=closed
+        -p DevicePolicy=strict
+        -p DeviceAllow="char-mem rm"  # Allow read & mknod for /dev/{null,zero,...}
+        -p DeviceAllow="/dev/loop0 rw"
+        -p DeviceAllow="/dev/loop0 w" # Allow write for /dev/loop0
+        # Everything else should be disallowed per the strict policy
+    )
+
+    systemd-run --wait --pipe --unit "$SERVICE_NAME" "${ARGUMENTS[@]}" \
+        bash -xec 'test -r /dev/null; test ! -w /dev/null; test ! -r /dev/loop0; test -w /dev/loop0; test ! -r /dev/tty; test ! -w /dev/tty'
+
+    if ! systemctl --version | grep -qF -- "-BPF_FRAMEWORK"; then
+        # SocketBind*=
+        ARGUMENTS=(
+            -p SocketBindAllow=
+            -p SocketBindAllow=1234
+            -p SocketBindAllow=ipv4:udp:any
+            -p SocketBindAllow=ipv6:6666
+            # Everything but the last assignment is superfluous, but it still exercises
+            # the parsing machinery
+            -p SocketBindDeny=
+            -p SocketBindDeny=1111
+            -p SocketBindDeny=ipv4:1111
+            -p SocketBindDeny=ipv4:any
+            -p SocketBindDeny=ipv4:tcp:any
+            -p SocketBindDeny=ipv4:udp:10000-11000
+            -p SocketBindDeny=ipv6:1111
+            -p SocketBindDeny=any
+        )
+
+        # We should fail with EPERM when trying to bind to a socket not on the allow list
+        # (nc exits with 2 in that case)
+        systemd-run --wait -p SuccessExitStatus="1 2" --pipe "${ARGUMENTS[@]}" \
+            bash -xec 'timeout 1s nc -l 127.0.0.1 9999; exit 42'
+        systemd-run --wait -p SuccessExitStatus="1 2" --pipe "${ARGUMENTS[@]}" \
+            bash -xec 'timeout 1s nc -l ::1 9999; exit 42'
+        systemd-run --wait -p SuccessExitStatus="1 2" --pipe "${ARGUMENTS[@]}" \
+            bash -xec 'timeout 1s nc -6 -u -l ::1 9999; exit 42'
+        systemd-run --wait -p SuccessExitStatus="1 2" --pipe "${ARGUMENTS[@]}" \
+            bash -xec 'timeout 1s nc -4 -l 127.0.0.1 6666; exit 42'
+        # Consequently, we should succeed when binding to a socket on the allow list
+        # and keep listening on it until we're killed by `timeout` (EC 124)
+        systemd-run --wait --pipe -p SuccessExitStatus=124 "${ARGUMENTS[@]}" \
+            bash -xec 'timeout 1s nc -4 -l 127.0.0.1 1234; exit 1'
+        systemd-run --wait --pipe -p SuccessExitStatus=124 "${ARGUMENTS[@]}" \
+            bash -xec 'timeout 1s nc -4 -u -l 127.0.0.1 5678; exit 1'
+        systemd-run --wait --pipe -p SuccessExitStatus=124 "${ARGUMENTS[@]}" \
+            bash -xec 'timeout 1s nc -6 -l ::1 1234; exit 1'
+        systemd-run --wait --pipe -p SuccessExitStatus=124 "${ARGUMENTS[@]}" \
+            bash -xec 'timeout 1s nc -6 -l ::1 6666; exit 1'
+    fi
+
+    losetup -d "$LODEV"
+    rm -f "$TEMPFILE"
+fi
+
+# {Cache,Configuration,Logs,Runtime,State}Directory=
+ARGUMENTS=(
+    -p CacheDirectory="foo/bar/baz also\ with\ spaces"
+    -p CacheDirectory="foo"
+    -p CacheDirectory="context"
+    -p CacheDirectoryMode="0123"
+    -p CacheDirectoryMode="0666"
+    -p ConfigurationDirectory="context/foo also_context/bar context/nested/baz context/semi\:colon"
+    -p ConfigurationDirectoryMode="0400"
+    -p LogsDirectory="context/foo"
+    -p LogsDirectory=""
+    -p LogsDirectory="context/a/very/nested/logs/dir"
+    -p RuntimeDirectory="context/with\ spaces"
+    # Note: {Runtime,State,Cache,Logs}Directory= directives support the directory:symlink syntax, which
+    #       requires an additional level of escaping for the colon character
+    -p RuntimeDirectory="also_context:a\ symlink\ with\ \\\:\ col\\\:ons\ and\ \ spaces"
+    -p RuntimeDirectoryPreserve=yes
+    -p StateDirectory="context"
+    -p StateDirectory="./././././././context context context"
+    -p StateDirectoryMode="0000"
+)
+
+rm -rf /run/context
+systemd-run --wait --pipe "${ARGUMENTS[@]}" \
+    bash -xec '[[ $CACHE_DIRECTORY == "/var/cache/also with spaces:/var/cache/context:/var/cache/foo:/var/cache/foo/bar/baz" ]];
+               [[ $(stat -c "%a" "${CACHE_DIRECTORY##*:}") == 666 ]]'
+systemd-run --wait --pipe "${ARGUMENTS[@]}" \
+    bash -xec '[[ $CONFIGURATION_DIRECTORY == /etc/also_context/bar:/etc/context/foo:/etc/context/nested/baz:/etc/context/semi:colon ]];
+               [[ $(stat -c "%a" "${CONFIGURATION_DIRECTORY%%:*}") == 400 ]]'
+systemd-run --wait --pipe "${ARGUMENTS[@]}" \
+    bash -xec '[[ $LOGS_DIRECTORY == /var/log/context/a/very/nested/logs/dir:/var/log/context/foo ]];
+               [[ $(stat -c "%a" "${LOGS_DIRECTORY##*:}") == 755 ]]'
+systemd-run --wait --pipe "${ARGUMENTS[@]}" \
+    bash -xec '[[ $RUNTIME_DIRECTORY == "/run/also_context:/run/context/with spaces" ]];
+               [[ $(stat -c "%a" "${RUNTIME_DIRECTORY##*:}") == 755 ]];
+               [[ $(stat -c "%a" "${RUNTIME_DIRECTORY%%:*}") == 755 ]]'
+systemd-run --wait --pipe "${ARGUMENTS[@]}" \
+    bash -xec '[[ $STATE_DIRECTORY == /var/lib/context ]]; [[ $(stat -c "%a" $STATE_DIRECTORY) == 0 ]]'
+test -d "/run/context/with spaces"
+test -s "/run/a symlink with : col:ons and  spaces"
+rm -rf /var/{cache,lib,log}/context /etc/{also_,}context
+
+# Limit*=
+#
+# Note: keep limits of LimitDATA= and LimitAS= unlimited, otherwise ASan (LSan)
+# won't be able to mmap the shadow maps
+ARGUMENTS=(
+    -p LimitCPU=15
+    -p LimitCPU=10:15         # ulimit -t
+    -p LimitFSIZE=96G         # ulimit -f
+    -p LimitDATA=8T:infinity
+    -p LimitDATA=infinity     # ulimit -d
+    -p LimitSTACK=8M          # ulimit -s
+    -p LimitCORE=infinity
+    -p LimitCORE=17M          # ulimit -c
+    -p LimitRSS=27G           # ulimit -m
+    -p LimitNOFILE=7:127      # ulimit -n
+    -p LimitAS=infinity       # ulimit -v
+    -p LimitNPROC=1
+    -p LimitNPROC=64:infinity # ulimit -u
+    -p LimitMEMLOCK=37M       # ulimit -l
+    -p LimitLOCKS=19:1021     # ulimit -x
+    -p LimitSIGPENDING=21     # ulimit -i
+    -p LimitMSGQUEUE=666      # ulimit -q
+    -p LimitNICE=4            # ulimit -e
+    -p LimitRTPRIO=8          # ulimit -r
+    -p LimitRTTIME=666666     # ulimit -R
+)
+# Do all the checks in one giant inline shell blob to avoid the overhead of spawning
+# a new service for each check
+#
+# Note: ulimit shows storage-related values in 1024-byte increments*
+# Note2: ulimit -R requires bash >= 5.1
+#
+# * in POSIX mode -c a -f options show values in 512-byte increments; let's hope
+#   we never run in the POSIX mode
+systemd-run --wait --pipe "${ARGUMENTS[@]}" \
+    bash -xec 'KB=1; MB=$((KB * 1024)); GB=$((MB * 1024)); TB=$((GB * 1024));
+               : CPU;        [[ $(ulimit -St) -eq 10 ]];           [[ $(ulimit -Ht) -eq 15 ]];
+               : FSIZE;      [[ $(ulimit -Sf) -eq $((96 * GB)) ]]; [[ $(ulimit -Hf) -eq $((96 * GB)) ]];
+               : DATA;       [[ $(ulimit -Sd) == unlimited  ]];    [[ $(ulimit -Hd) == unlimited ]];
+               : STACK;      [[ $(ulimit -Ss) -eq $((8 * MB)) ]];  [[ $(ulimit -Hs) -eq $((8 * MB)) ]];
+               : CORE;       [[ $(ulimit -Sc) -eq $((17 * MB)) ]]; [[ $(ulimit -Hc) -eq $((17 * MB)) ]];
+               : RSS;        [[ $(ulimit -Sm) -eq $((27 * GB)) ]]; [[ $(ulimit -Hm) -eq $((27 * GB)) ]];
+               : NOFILE;     [[ $(ulimit -Sn) -eq 7 ]];            [[ $(ulimit -Hn) -eq 127 ]];
+               : AS;         [[ $(ulimit -Sv) == unlimited ]];     [[ $(ulimit -Hv) == unlimited ]];
+               : NPROC;      [[ $(ulimit -Su) -eq 64 ]];           [[ $(ulimit -Hu) == unlimited ]];
+               : MEMLOCK;    [[ $(ulimit -Sl) -eq $((37 * MB)) ]]; [[ $(ulimit -Hl) -eq $((37 * MB)) ]];
+               : LOCKS;      [[ $(ulimit -Sx) -eq 19 ]];           [[ $(ulimit -Hx) -eq 1021 ]];
+               : SIGPENDING; [[ $(ulimit -Si) -eq 21 ]];           [[ $(ulimit -Hi) -eq 21 ]];
+               : MSGQUEUE;   [[ $(ulimit -Sq) -eq 666 ]];          [[ $(ulimit -Hq) -eq 666 ]];
+               : NICE;       [[ $(ulimit -Se) -eq 4 ]];            [[ $(ulimit -He) -eq 4 ]];
+               : RTPRIO;     [[ $(ulimit -Sr) -eq 8 ]];            [[ $(ulimit -Hr) -eq 8 ]];
+               ulimit -R || exit 0;
+               : RTTIME;     [[ $(ulimit -SR) -eq 666666 ]];       [[ $(ulimit -HR) -eq 666666 ]];'
+
+# RestrictFileSystems=
+#
+# Note: running instrumented binaries requires at least /proc to be accessible, so let's
+#       skip the test when we're running under sanitizers
+#
+# Note: $GCOV_ERROR_LOG is used during coverage runs to suppress errors when creating *.gcda files,
+#       since gcov can't access the restricted filesystem (as expected)
+if [[ ! -v ASAN_OPTIONS ]] && systemctl --version | grep "+BPF_FRAMEWORK" && kernel_supports_lsm bpf; then
+    ROOTFS="$(df --output=fstype /usr/bin | sed --quiet 2p)"
+    systemd-run --wait --pipe -p RestrictFileSystems="" ls /
+    systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS foo bar" ls /
+    (! systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS" ls /proc)
+    (! systemd-run --wait --pipe -p GCOV_ERROR_LOG=/dev/null -p RestrictFileSystems="foo" ls /)
+    systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS foo bar baz proc" ls /proc
+    systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS @foo @basic-api" ls /proc
+    systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS @foo @basic-api" ls /sys/fs/cgroup
+
+    systemd-run --wait --pipe -p RestrictFileSystems="~" ls /
+    systemd-run --wait --pipe -p RestrictFileSystems="~proc" ls /
+    systemd-run --wait --pipe -p RestrictFileSystems="~@basic-api" ls /
+    (! systemd-run --wait --pipe -p GCOV_ERROR_LOG=/dev/null -p RestrictFileSystems="~$ROOTFS" ls /)
+    (! systemd-run --wait --pipe -p RestrictFileSystems="~proc" ls /proc)
+    (! systemd-run --wait --pipe -p RestrictFileSystems="~@basic-api" ls /proc)
+    (! systemd-run --wait --pipe -p RestrictFileSystems="~proc foo @bar @basic-api" ls /proc)
+    (! systemd-run --wait --pipe -p RestrictFileSystems="~proc foo @bar @basic-api" ls /sys)
+    systemd-run --wait --pipe -p RestrictFileSystems="~proc devtmpfs sysfs" ls /
+    (! systemd-run --wait --pipe -p RestrictFileSystems="~proc devtmpfs sysfs" ls /proc)
+    (! systemd-run --wait --pipe -p RestrictFileSystems="~proc devtmpfs sysfs" ls /dev)
+    (! systemd-run --wait --pipe -p RestrictFileSystems="~proc devtmpfs sysfs" ls /sys)
+fi
+
+# Make sure we properly (de)serialize various string arrays, including whitespaces
+# See: https://github.com/systemd/systemd/issues/31214
+systemd-run --wait --pipe -p Environment="FOO='bar4    '" \
+            bash -xec '[[ $FOO == "bar4    " ]]'
+systemd-run --wait --pipe -p Environment="FOO='bar4    ' BAR='\n\n'" \
+            bash -xec "[[ \$FOO == 'bar4    ' && \$BAR == $'\n\n' ]]"
+systemd-run --wait --pipe -p Environment='FOO="bar4  \\  "' -p Environment="BAR='\n\t'" \
+            bash -xec "[[ \$FOO == 'bar4  \\  ' && \$BAR == $'\n\t' ]]"
+TEST_ENV_FILE="/tmp/test-env-file-$RANDOM-    "
+cat >"$TEST_ENV_FILE" <<EOF
+FOO="env file    "
+BAR="
+    "
+EOF
+systemd-run --wait --pipe cat "$TEST_ENV_FILE"
+systemd-run --wait --pipe -p ReadOnlyPaths="'$TEST_ENV_FILE'" \
+            bash -xec '[[ ! -w "$TEST_ENV_FILE" ]]'
+systemd-run --wait --pipe -p PrivateTmp=yes -p BindReadOnlyPaths="'$TEST_ENV_FILE':'/tmp/bar-    '" \
+            bash -xec '[[ -e "/tmp/bar-    " && ! -w "/tmp/bar-    " ]]'
+systemd-run --wait --pipe -p EnvironmentFile="$TEST_ENV_FILE" \
+            bash -xec "[[ \$FOO == 'env file    ' && \$BAR == $'\n    ' ]]"
+rm -f "$TEST_ENV_FILE"
+# manager_serialize()/manager_deserialize() uses similar machinery
+systemctl unset-environment FOO_WITH_SPACES
+systemctl set-environment FOO_WITH_SPACES="foo   " FOO_WITH_TABS="foo\t\t\t"
+systemctl show-environment
+systemctl show-environment | grep -F "FOO_WITH_SPACES=$'foo   '"
+systemctl show-environment | grep -F "FOO_WITH_TABS=$'foo\\\\t\\\\t\\\\t'"
+systemctl daemon-reexec
+systemctl show-environment
+systemctl show-environment | grep -F "FOO_WITH_SPACES=$'foo   '"
+systemctl show-environment | grep -F "FOO_WITH_TABS=$'foo\\\\t\\\\t\\\\t'"
+
+# Ensure that clean-up codepaths work correctly if activation ultimately fails
+touch /run/not-a-directory
+mkdir /tmp/root
+touch /tmp/root/foo
+chmod +x /tmp/root/foo
+(! systemd-run --wait --pipe false)
+(! systemd-run --wait --pipe --unit "test-dynamicuser-fail" -p DynamicUser=yes -p WorkingDirectory=/nonexistent true)
+(! systemd-run --wait --pipe -p RuntimeDirectory=not-a-directory true)
+(! systemd-run --wait --pipe -p RootDirectory=/tmp/root this-shouldnt-exist)
+(! systemd-run --wait --pipe -p RootDirectory=/tmp/root /foo)
+(! systemd-run --wait --pipe --service-type=oneshot -p ExecStartPre=-/foo/bar/baz -p ExecStart=-/foo/bar/baz -p RootDirectory=/tmp/root -- "- foo")