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3970 e = object_path_startswith(path, prefix);
(gdb) p path
$1 = 0x55c5a166f768 "/org/freedesktop/portable1/image"
(gdb) p prefix
$2 = 0x55c59ffc2928 "/org/freedesktop/portable1/image"
(gdb) p e
$1 = 0x5581a1675788 ""
This can be a bit confusing in certain cases, so add a comment and a
test to make the behaviour clearer and explicit.
(cherry picked from commit 54cd2d6869)
I took inspiration from pid1:
bus_unit_find()
→ find_unit()
→ manager_load_unit_from_dbus_path()
→ unit_name_from_dbus_path()
→ !startswith(path, "/org/freedesktop/systemd1/unit/")
→ return -EINVAL
←
←
←
← if (r < 0) return 0
← 0
←
i.e. we return 0 when queried for "/org/freedesktop/systemd1/unit".
Fixes#23445.
(cherry picked from commit 4313e2b69f)
We always require at least ID to be set in os-release, reject
and propagate error to the caller instead of asserting later
(cherry picked from commit 7b2e763242)
Fixes#23433
matches is plumbed through until it finally gets used in unit_match()
which can deal with NULL matches so the assert() is unnecessary and
can be removed.
The two call sites of extract_image_and_extensions() also don't
assert() on matches either.
(cherry picked from commit 1751d8c80c)
Otherwise, dns_transaction_requires_nsec() may not find no required
transaction, and return true. That sets
`answer_dnssec_result = DNSSEC_NO_SIGNATURE`, and the entire transaction fails.
Fixes#21414.
(cherry picked from commit 26b23d1187)
rpms can be installed in two different modes: into a chroot, where the system
is not running, and onto a live system. In the first mode, where should create
all changes that are "permanent", and in the second mode, all changes which are
"permanent" but also those which only affect the running system. Thus, changes
like new modprobe rules, tmpfiles rules, binfmt rules, udev rules, etc., are
guarded by 'test -d "/run/systemd/system"' which is the official way to check
if systemd is running, so that they are *not* executed when installed into a
chroot. But the same logic does not apply to sysusers, hwdb, and the journal
catalog: all those files can and should result in changes being performed
immediately to the system. This makes the creation of immutable images possible
(because there are no permanent changes to executed after a reboot), and allows
other packages to depend on the the effect of those changes.
Thus, the guard to check if we're not in a chroot is dropped from triggers for
sysusers, hwdb, and the journal catalog. This means that those triggers will
execute, and no subsequent work is needed. systemd-sysusers.service,
systemd-journal-catalog-update.service, and systemd-hwdb-update.service.in all
have ConditionNeedsUpdate= so they they generally won't be invoked after a
reboot. (systemd.rpm does not touch /usr to trigger the condition, because the
%transfiletriggers make that unnecessary.)
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=2085481
(cherry picked from commit 2fd7ecd2da)
This is trivially exploitable (in the sense of causing a crash from SEGV) e.g.
by 'shutdown now "Message %s %s %n"'. The message is settable through polkit,
but is limited to auth_admin:
<action id="org.freedesktop.login1.set-wall-message">
<description gettext-domain="systemd">Set a wall message</description>
<message gettext-domain="systemd">Authentication is required to set a wall message</message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>
<allow_active>auth_admin_keep</allow_active>
</defaults>
</action>
Bug introduced in 9ef15026c0
('logind/systemctl: introduce SetWallMessage and --message', 2015-09-15).
Based on 0cb09bcb82.
test-execute checks that only /var/lib/private/waldo is writable, but there are
some filesystems that are always writable and excluded. Add /sys/devices/system/cpu
which is created by lxcfs.
Fixes https://github.com/systemd/systemd/issues/23263
(cherry picked from commit 646cba5c42)
This normally wouldn't happen, but if some of those places were called
with lhs and rhs being the same object, we could unref the last ref first,
and then try to take the ref again. It's easier to be safe, and with the
helper we save some lines too.
(cherry picked from commit ce913e0ec4)
We'd connect to the bus twice: the first time to check networkd namespace,
and then the second time to do the deed we were asked to do. It's nicer
to open the bus just once, for efficience and also to avoid the open call
in all functions.
An ASSERT_PTR helper is added:
- sd_bus *bus = userdata;
...
- assert(bus);
+ sd_bus *bus = ASSERT_PTR(userdata);
...
It can be used in other place too, but I'm leaving that for a later
refactoring.
(cherry picked from commit d821e40ca9)
We need to increase the counter immediately after taking the ref,
otherwise we may not unref it properly if we fail before incrementing.
(cherry picked from commit 7e4be6a584)
We canonicalize repeats that cover the whole range: "0:0:0/1" → "0:0:*". But
we'd also do "0:0:0/1,0" → "0:0:*,0", which we then refuse to parse. Thus,
first go throug the whole chain, and print a '*' and nothing else if any of the
components covers the whole range.
(cherry picked from commit 8e1e59b9ad)
0..3 is not the same as 0..infinity, we need to check both ends of the range.
This logic was added in 3215e35c40, and back then
the field was called .value. .stop was added later and apparently wasn't taken
into account here.
(cherry picked from commit 3aff2ae9d5)
The LLDP spec (IEEE 802.1AB) requires the three mandatory TLVs (Chassis
ID, Port ID, and TTL) to be the first three TLVs in the packet, in that
specific order, whereas systemd put the TTL near the end of the packet.
This violation caused the ethernet switch in our office to discard these
packets as malformed, and Wireshark's packet parser also chokes on them.
(cherry picked from commit b0221bb6a4)
```
timedatectl list-timezones --no-pager
...
==164329==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 8192 byte(s) in 1 object(s) allocated from:
#0 0x7fe8a74b6f8c in reallocarray (/lib64/libasan.so.6+0xaef8c)
#1 0x7fe8a63485dc in strv_push ../src/basic/strv.c:419
#2 0x7fe8a6349419 in strv_consume ../src/basic/strv.c:490
#3 0x7fe8a634958d in strv_extend ../src/basic/strv.c:542
#4 0x7fe8a643d787 in bus_message_read_strv_extend ../src/libsystemd/sd-bus/bus-message.c:5606
#5 0x7fe8a643db9d in sd_bus_message_read_strv ../src/libsystemd/sd-bus/bus-message.c:5628
#6 0x4085fb in list_timezones ../src/timedate/timedatectl.c:314
#7 0x7fe8a61ef3e1 in dispatch_verb ../src/shared/verbs.c:103
#8 0x410f91 in timedatectl_main ../src/timedate/timedatectl.c:1025
#9 0x41111c in run ../src/timedate/timedatectl.c:1043
#10 0x411242 in main ../src/timedate/timedatectl.c:1046
#11 0x7fe8a489df1f in __libc_start_call_main (/lib64/libc.so.6+0x40f1f)
```
(cherry picked from commit a2e37d5231)
It doesn't really care about the hash value passed (which is processed
by systemd-veritysetup-generator), but it does care about the fact that
it is set (and mounts the DM nodes /dev/mapper/usr + /dev/mapper/root in
that case).
(cherry picked from commit ba4b74cbc7)
