mirror of
https://github.com/systemd/systemd.git
synced 2024-10-29 21:55:36 +03:00
103 lines
3.0 KiB
Bash
Executable File
103 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# SPDX-License-Identifier: LGPL-2.1-or-later
|
|
set -eux
|
|
set -o pipefail
|
|
|
|
# Save the end.service state before we start fuzzing, as it might get changed
|
|
# on the fly by one of the fuzzers
|
|
systemctl list-jobs | grep -F 'end.service' && SHUTDOWN_AT_EXIT=1 || SHUTDOWN_AT_EXIT=0
|
|
|
|
at_exit() {
|
|
set +e
|
|
# We have to call the end.service/poweroff explicitly even if it's specified on
|
|
# the kernel cmdline via systemd.wants=end.service, since dfuzzer calls
|
|
# org.freedesktop.systemd1.Manager.ClearJobs() which drops the service
|
|
# from the queue
|
|
if [[ $SHUTDOWN_AT_EXIT -ne 0 ]] && ! systemctl poweroff; then
|
|
# PID1 is down let's try to save the journal
|
|
journalctl --sync # journal can be down as well so let's ignore exit codes here
|
|
systemctl -ff poweroff # sync() and reboot(RB_POWER_OFF)
|
|
fi
|
|
}
|
|
|
|
trap at_exit EXIT
|
|
|
|
systemctl log-level info
|
|
|
|
# TODO
|
|
# * check for possibly newly introduced buses?
|
|
BUS_LIST=(
|
|
org.freedesktop.home1
|
|
org.freedesktop.hostname1
|
|
org.freedesktop.import1
|
|
org.freedesktop.locale1
|
|
org.freedesktop.login1
|
|
org.freedesktop.machine1
|
|
org.freedesktop.portable1
|
|
org.freedesktop.resolve1
|
|
org.freedesktop.systemd1
|
|
org.freedesktop.timedate1
|
|
)
|
|
|
|
# systemd-oomd requires PSI
|
|
if tail -n +1 /proc/pressure/{cpu,io,memory}; then
|
|
BUS_LIST+=(
|
|
org.freedesktop.oom1
|
|
)
|
|
fi
|
|
|
|
# Some services require specific conditions:
|
|
# - systemd-timesyncd can't run in a container
|
|
# - systemd-networkd can run in a container if it has CAP_NET_ADMIN capability
|
|
if ! systemd-detect-virt --container; then
|
|
BUS_LIST+=(
|
|
org.freedesktop.network1
|
|
org.freedesktop.timesync1
|
|
)
|
|
elif busctl introspect org.freedesktop.network1 / &>/dev/null; then
|
|
BUS_LIST+=(
|
|
org.freedesktop.network1
|
|
)
|
|
fi
|
|
|
|
SESSION_BUS_LIST=(
|
|
org.freedesktop.systemd1
|
|
)
|
|
|
|
# Maximum payload size generated by dfuzzer (in bytes) - default: 50K
|
|
PAYLOAD_MAX=50000
|
|
# Tweak the maximum payload size if we're running under sanitizers, since
|
|
# with larger payloads we start hitting reply timeouts
|
|
if [[ -v ASAN_OPTIONS || -v UBSAN_OPTIONS ]]; then
|
|
PAYLOAD_MAX=10000 # 10K
|
|
fi
|
|
|
|
# Overmount /var/lib/machines with a size-limited tmpfs, as fuzzing
|
|
# the org.freedesktop.machine1 stuff makes quite a mess
|
|
mount -t tmpfs -o size=50M tmpfs /var/lib/machines
|
|
|
|
# Fuzz both the system and the session buses (where applicable)
|
|
for bus in "${BUS_LIST[@]}"; do
|
|
echo "Bus: $bus (system)"
|
|
systemd-run --pipe --wait \
|
|
-- dfuzzer -b "$PAYLOAD_MAX" -n "$bus"
|
|
|
|
# Let's reload the systemd daemon to test (de)serialization as well
|
|
systemctl daemon-reload
|
|
done
|
|
|
|
umount /var/lib/machines
|
|
|
|
for bus in "${SESSION_BUS_LIST[@]}"; do
|
|
echo "Bus: $bus (session)"
|
|
systemd-run --machine 'testuser@.host' --user --pipe --wait \
|
|
-- dfuzzer -b "$PAYLOAD_MAX" -n "$bus"
|
|
|
|
# Let's reload the systemd user daemon to test (de)serialization as well
|
|
systemctl --machine 'testuser@.host' --user daemon-reload
|
|
done
|
|
|
|
echo OK >/testok
|
|
|
|
exit 0
|