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test: add a simple fuzzer for manager serialization
This commit is contained in:
Frantisek Sumsal
parent
5c519a56f5
commit
24e6759cbc
38
src/core/fuzz-manager-serialize.c
Normal file
38
src/core/fuzz-manager-serialize.c
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@ -0,0 +1,38 @@
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <stdio.h>
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#include "alloc-util.h"
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#include "fd-util.h"
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#include "fuzz.h"
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#include "manager-serialize.h"
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#include "manager.h"
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#include "service.h"
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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_cleanup_(manager_freep) Manager *m = NULL;
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_cleanup_fclose_ FILE *f = NULL, *null = NULL;
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_cleanup_fdset_free_ FDSet *fdset = NULL;
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/* We don't want to fill the logs with messages about parse errors.
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* Disable most logging if not running standalone. */
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if (!getenv("SYSTEMD_LOG_LEVEL")) {
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log_set_max_level(LOG_CRIT);
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log_set_target(LOG_TARGET_NULL);
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}
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assert_se(manager_new(RUNTIME_SCOPE_SYSTEM, MANAGER_TEST_RUN_BASIC, &m) >= 0);
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/* Set log overrides as well to make it harder for a serialization file
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* to switch log levels/targets during fuzzing */
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manager_override_log_level(m, log_get_max_level());
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manager_override_log_target(m, log_get_target());
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assert_se(null = fopen("/dev/null", "we"));
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assert_se(fdset = fdset_new());
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assert_se(f = data_to_file(data, size));
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(void) manager_deserialize(m, f, fdset);
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(void) manager_serialize(m, null, fdset, true);
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(void) manager_serialize(m, null, fdset, false);
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return 0;
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}
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@ -192,4 +192,11 @@ fuzzers += [
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],
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'dependencies' : libmount,
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},
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{
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'sources' : files('fuzz-manager-serialize.c'),
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'link_with' : [
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libcore,
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libshared
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],
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},
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]
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233
test/fuzz/fuzz-manager-serialize/state
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233
test/fuzz/fuzz-manager-serialize/state
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@ -0,0 +1,233 @@
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current-job-id=148
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n-installed-jobs=76
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n-failed-jobs=0
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taint-usr=no
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ready-sent=no
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taint-logged=yes
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service-watchdogs=yes
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show-status-overridden=
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log-level-override=
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log-target-override=
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runtime-watchdog-overridden=
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reboot-watchdog-overridden=
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kexec-watchdog-overridden=
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pretimeout-watchdog-overridden=
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pretimeout-watchdog-governor-overridden=
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kernel-timestamp=1682967570742745 0
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userspace-timestamp=1682967574137496 3394743
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security-start-timestamp=1682967574141658 3398906
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security-finish-timestamp=1682967574144881 3402129
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generators-start-timestamp=1682967574184585 3441832
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generators-finish-timestamp=1682967574611957 3869206
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units-load-start-timestamp=1682967574612243 3869490
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units-load-finish-timestamp=1682967574636269 3893517
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units-load-timestamp=1682967579189877 8447124
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env=
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notify-fd=40
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notify-socket=/run/systemd/notify
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cgroups-agent-fd=
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user-lookup=41 42
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subscribed=:1.2
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subscribed=:1.4
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dynamic-user=
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destroy-ipc-uid=
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destroy-ipc-gid=
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exec-runtime=foo tmp-dir=foo var-tmp-dir=foo netns-socket-0=0 netns-socket-1=0 ipcns-socket-0=0 ipcns-socket-1=0
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exec-runtime=systemd-resolved.service tmp-dir=/tmp/systemd-private-a0d7e38d0d2043da90d3313a435b56a7-systemd-resolved.service-9RLwQC var-tmp-dir=/var/tmp/systemd-private-a0d7e38d0d2043da90d3313a435b56a7-systemd-resolved.service-lH60S6
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exec-runtime=systemd-logind.service tmp-dir=/tmp/systemd-private-a0d7e38d0d2043da90d3313a435b56a7-systemd-logind.service-U3Mkrl var-tmp-dir=/var/tmp/systemd-private-a0d7e38d0d2043da90d3313a435b56a7-systemd-logind.service-bLqCAv
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exec-runtime=dbus-broker.service tmp-dir=/tmp/systemd-private-a0d7e38d0d2043da90d3313a435b56a7-dbus-broker.service-tjqGny var-tmp-dir=/var/tmp/systemd-private-a0d7e38d0d2043da90d3313a435b56a7-dbus-broker.service-enN2wt
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varlink-server-socket-address=/run/systemd/io.system.ManagedOOM varlink-server-socket-fd=43
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varlink-server-socket-address=/run/systemd/userdb/io.systemd.DynamicUser varlink-server-socket-fd=44
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systemd-udevd-control.socket
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state=running
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result=success
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n-accepted=0
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n-refused=0
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socket=51 5 /run/udev/control
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state-change-timestamp=1682967575463460 4720707
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inactive-exit-timestamp=1682967574856752 4113999
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active-enter-timestamp=1682967574856752 4113999
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condition-timestamp=1682967574856210 4113458
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assert-timestamp=1682967574856251 4113498
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condition-result=yes
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assert-result=yes
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transient=no
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in-audit=no
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exported-invocation-id=no
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exported-log-level-max=no
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exported-log-extra-fields=no
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exported-log-rate-limit-interval=no
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exported-log-rate-limit-burst=no
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cpu-usage-base=
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cpu-usage-last=
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managed-oom-kill-last=
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oom-kill-last=
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cgroup=/system.slice/systemd-udevd-control.socket
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cgroup-realized=no
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cgroup-realized-mask=
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cgroup-enabled-mask=
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cgroup-invalidated-mask=bpf-firewall
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ip-bpf-ingress-installed=
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ip-bpf-egress-installed=
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bpf-device-control-installed=
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ip-bpf-custom-ingress-installed=
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ip-bpf-custom-egress-installed=
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restrict-ifaces-bpf-fd=
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ref-uid=
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ref-gid=
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invocation-id=17e82c0e231b44d9a783ea3e6ddd7357
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freezer-state=running
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markers=
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ref=
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io-accounting-read-bytes-base=
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io-accounting-write-bytes-base=
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io-accounting-read-operations-base=
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io-accounting-write-operations-base=
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ip-accounting-ingress-bytes=
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ip-accounting-ingress-packets=
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ip-accounting-egress-bytes=
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ip-accounting-egress-packets=
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io-accounting-read-bytes-last=
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io-accounting-write-bytes-last=
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io-accounting-read-operations-last=
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io-accounting-write-operations-last=
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job
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job-id=
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job-type=
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job-state=
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job-irreversible=
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job-sent-dbus-new-signal=
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job-ignore-order=
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job-begin=
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job-begin-running=
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subscribed=
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activation-details-unit-type=
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activation-details-unit-name=
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basic.target
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state=active
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state-change-timestamp=1682967576420561 5677809
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inactive-exit-timestamp=1682967576420561 5677809
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active-enter-timestamp=1682967576420561 5677809
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condition-timestamp=1682967576420494 5677742
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assert-timestamp=1682967576420506 5677753
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condition-result=yes
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assert-result=yes
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transient=no
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in-audit=no
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exported-invocation-id=no
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exported-log-level-max=no
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exported-log-extra-fields=no
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exported-log-rate-limit-interval=no
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exported-log-rate-limit-burst=no
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cpu-usage-base=0
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io-accounting-read-bytes-base=0
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io-accounting-write-bytes-base=0
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io-accounting-read-operations-base=0
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io-accounting-write-operations-base=0
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cgroup-realized=no
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cgroup-invalidated-mask=bpf-firewall
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invocation-id=9c5c2f671fca4512aaf3a1a2ba2272ca
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freezer-state=running
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dev-disk-by\x2dpath-pci\x2d0000:00:01.1\x2data\x2d2.0.device
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sysfs=/sys/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0/1:0:0:0/block/sr0
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path=/dev/disk/by-path/pci-0000:00:01.1-ata-2.0
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state=plugged
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found=found-udev
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state-change-timestamp=1682967576333166 5590413
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inactive-exit-timestamp=1682967576333166 5590413
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active-enter-timestamp=1682967576333166 5590413
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transient=no
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in-audit=no
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exported-invocation-id=no
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exported-log-level-max=no
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exported-log-extra-fields=no
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exported-log-rate-limit-interval=no
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exported-log-rate-limit-burst=no
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cpu-usage-base=0
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io-accounting-read-bytes-base=0
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io-accounting-write-bytes-base=0
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io-accounting-read-operations-base=0
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io-accounting-write-operations-base=0
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cgroup-realized=no
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cgroup-invalidated-mask=bpf-firewall
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invocation-id=603717818eb740968fd5e4d4acff07bb
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freezer-state=running
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plymouth-quit-wait.service
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state=dead
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result=success
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reload-result=success
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main-pid-known=no
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bus-name-good=no
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bus-name-owner=yes
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n-restarts=0
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flush-n-restarts=no
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forbid-restart=no
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state-change-timestamp=1682967578033073 7290321
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transient=no
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in-audit=no
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exported-invocation-id=no
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exported-log-level-max=no
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exported-log-extra-fields=no
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exported-log-rate-limit-interval=no
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exported-log-rate-limit-burst=no
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cpu-usage-base=0
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io-accounting-read-bytes-base=0
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io-accounting-write-bytes-base=0
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io-accounting-read-operations-base=0
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io-accounting-write-operations-base=0
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cgroup-realized=no
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cgroup-invalidated-mask=bpf-firewall
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freezer-state=running
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run-credentials-systemd\x2dsysctl.service.mount
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state=mounted
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result=success
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reload-result=success
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n-retry-umount=0
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state-change-timestamp=1682967574956755 4214002
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inactive-exit-timestamp=1682967574956755 4214002
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active-enter-timestamp=1682967574956755 4214002
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transient=no
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in-audit=no
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exported-invocation-id=no
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exported-log-level-max=no
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exported-log-extra-fields=no
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exported-log-rate-limit-interval=no
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exported-log-rate-limit-burst=no
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cpu-usage-base=0
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io-accounting-read-bytes-base=0
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io-accounting-write-bytes-base=0
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io-accounting-read-operations-base=0
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io-accounting-write-operations-base=0
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cgroup-realized=no
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cgroup-invalidated-mask=bpf-firewall
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invocation-id=63a57e2e3d3a47c28e09dc34fca94c41
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freezer-state=running
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system.slice
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state=active
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state-change-timestamp=1682967574637337 3894584
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inactive-exit-timestamp=1682967574637337 3894584
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active-enter-timestamp=1682967574637337 3894584
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transient=no
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in-audit=no
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exported-invocation-id=no
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exported-log-level-max=no
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exported-log-extra-fields=no
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exported-log-rate-limit-interval=no
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exported-log-rate-limit-burst=no
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cpu-usage-base=0
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io-accounting-read-bytes-base=0
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io-accounting-write-bytes-base=0
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io-accounting-read-operations-base=0
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io-accounting-write-operations-base=0
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cgroup=/system.slice
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cgroup-realized=yes
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cgroup-realized-mask=memory pids bpf-firewall bpf-devices
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cgroup-enabled-mask=memory pids
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freezer-state=running
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