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Do not print a warning in case we try to load the file system protocol for an
unsupported file system, just return EFI_SUCCESS instead.
(cherry picked from commit 178d598b5f)
The data type off_t can be 64 on 32 bit systems if they have large
file support. Since mmap expects a size_t with 32 bits as second
argument truncation could occur. At worst these huge files could
lead to mmaps smaller than the previous check for small files.
This in turn shouldn't have a lot of impact because mmap allocates
at page size boundaries. This also made the PAGE_ALIGN call in
open_mmap unneeded. In fact it was neither in sync with other mmap
calls nor with its own munmap counterpart in error path.
If such large files are encountered, which is very unlikely in these
code paths, treat them with the same error as if they are too small.
(cherry picked from commit 1a823cdeb9)
Add dlopen_dw(), dlopen_elf() and dlopen_pcre2() to the dlopen test.
To enable adding dlopen_pcre2(), we move pcre2-dlopen.h/c from
src/journal to src/shared.
(cherry picked from commit ee48779e05)
file-hierarchy does not mention anything about the expected mountpoint
for cgroups. This may lead some software to believe it will need to
search for it (e.g. by scanning mountinfo) rather than just looking in
the canonical location.
Document the canonical mountpoint as /sys/fs/cgroup. Also provide
information on the non-default configurations, but
make it clear that in such configurations if cgroup2 is mounted (hybrid
mode) it won't have resource controllers attached. This will help
software know if it should fall back to /sys/fs/cgroup/unified or just
ignore that case.
(cherry picked from commit c8aeb9d672)
Python gained support for reading os-release, let's advertise it a bit more.
Our open-coded example is still useful, but let's not suggest it as the
default implementation.
I added quotes around the printed string because it looks a bit better
this way.
(cherry picked from commit ee6fd6a509)
The Getac UX10 tablet exposes a "CUST0000:00 0EEF:C002 Mouse" device
with BTN_LEFT/RIGHT and ABS_X/Y on the i2c bus. This causes the builtin
to incorrectly label it as pointing stick (all i2c mice are
tagged as ID_INPUT_POINTING_STICK, see 3d7ac1c655).
Fix this by adding a separate variable for absolute pointing
devices like the VMmouse USB mouse or this Getac tablet - this way we
skip the pointing stick check.
See https://gitlab.freedesktop.org/libinput/libinput/-/issues/743
for recordings.
(cherry picked from commit 8ac9ec4d5c)
It turns out we can't have an Example nested in a list, and every
combination of nesting I tried looked bad either in troff or in html.
The whole example is moved to a separate section.
(cherry picked from commit e6ce195163)
glibc now has Suggests:glibc-minimal-langpack, so we don't
need to mention it ourselves.
--repo=… is a nicer alternative to --disablerepo=* --enablerepo=….
It also avoids the issue with quoting.
Let's exclude weak deps, but install systemd-networkd, so the container
can configure networking if necessary.
(cherry picked from commit 8c4db5629c)
Some firmware supports sending input events for shift and logo keys.
Previously, we would suppress these with EFI_NOT_READY unless
some other key was pressed alongside, but it is really the job of the
caller to decide how to handle these.
Note that for keys that already have a printable shift representation
the reported input event will not have the shift key bits set
(Shift+a is reported as A). Should some firmware turn out to violate the
spec here we can always remove that part.
(cherry picked from commit 3f9973bf36)
In some cases there was a unlikely possibility that we would look
at an uninitialized key value.
Also, returning in case of unexpected input error cases should prevent
infinite looping.
(cherry picked from commit 1cb5d7857b)
It's not clear why we rescheduled a service auto restart while a stop job for
the unit was pending. The comment claims that the unit shouldn't be restarted
but the code did reschedule an auto restart meanwhile.
In practice that was rarely an issue because the service waited for the next
auto restart to be rescheduled, letting the queued stop job to be proceed and
service_stop() to be called preventing the next restart to complete.
However when RestartSec=0, the timer expired right away making PID1 to
reschedule the unit again, making the timer expired right away... and so
on. This busy loop prevented PID1 to handle any queued jobs (and hence giving
no chance to the start rate limiting to trigger), which made the busy loop last
forever.
This patch breaks this loop by skipping the reschedule of the unit auto restart
and hence not depending on the value of u->restart_usec anymore.
Fixes: #13667
(cherry picked from commit c972880640)
with addition of SD_ID128_MAKE_UUID_STR entries to src/shared/gpt.h the tool
failed halfway due to falsly matching the new entries
(cherry picked from commit 5fa87e9651)
The packages are installed to provide the dhcpd binary, used by
test/test-network/systemd-networkd-tests.py, but we don't need the units
to run, and in fact in some cases the image fails to boot because of
them:
Spawning container image on /home/runner/work/systemd/systemd/image.raw.
Press ^] three times within 1s to kill container.
● isc-dhcp-server.service loaded failed failed ISC DHCP IPv4 server
● isc-dhcp-server6.service loaded failed failed ISC DHCP IPv6 server
Container image failed with error code 1.
Error: Process completed with exit code 1.
Mask the units with an --extra-tree.
(cherry picked from commit 21838f36a6)
Currently the `--timestamp=` option has no effect on timestamps shown by
`systemctl show`, let's fix that.
Spotted in #22567.
Before:
```
$ systemctl show --timestamp=us+utc systemd-journald | grep Timestamp=
ExecMainStartTimestamp=Sat 2021-12-11 15:25:57 CET
StateChangeTimestamp=Sat 2021-12-11 15:25:57 CET
InactiveExitTimestamp=Sat 2021-12-11 15:25:57 CET
ActiveEnterTimestamp=Sat 2021-12-11 15:25:57 CET
ActiveExitTimestamp=Sat 2021-12-11 15:25:57 CET
InactiveEnterTimestamp=Sat 2021-12-11 15:25:57 CET
ConditionTimestamp=Sat 2021-12-11 15:25:57 CET
AssertTimestamp=Sat 2021-12-11 15:25:57 CET
```
After:
```
$ systemctl show --timestamp=us+utc systemd-journald | grep Timestamp=
ExecMainStartTimestamp=Sat 2021-12-11 14:25:57.177848 UTC
StateChangeTimestamp=Sat 2021-12-11 14:25:57.196714 UTC
InactiveExitTimestamp=Sat 2021-12-11 14:25:57.177871 UTC
ActiveEnterTimestamp=Sat 2021-12-11 14:25:57.196714 UTC
ActiveExitTimestamp=Sat 2021-12-11 14:25:57.144677 UTC
InactiveEnterTimestamp=Sat 2021-12-11 14:25:57.176331 UTC
ConditionTimestamp=Sat 2021-12-11 14:25:57.176980 UTC
AssertTimestamp=Sat 2021-12-11 14:25:57.176980 UTC
```
(cherry picked from commit a59e5c625d)
There's currently a deadlock between PID 1 and dbus-daemon: in some
cases dbus-daemon will do NSS lookups (which are blocking) at the same
time PID 1 synchronously blocks on some call to dbus-daemon. Let's break
that by setting SYSTEMD_NSS_DYNAMIC_BYPASS=1 env var for dbus-daemon,
which will disable synchronously blocking varlink calls from nss-systemd
to PID 1.
In the long run we should fix this differently: remove all synchronous
calls to dbus-daemon from PID 1. This is not trivial however: so far we
had the rule that synchronous calls from PID 1 to the dbus broker are OK
as long as they only go to interfaces implemented by the broke itself
rather than services reachable through it. Given that the relationship
between PID 1 and dbus is kinda special anyway, this was considered
acceptable for the sake of simplicity, since we quite often need
metadata about bus peers from the broker, and the asynchronous logic
would substantially complicate even the simplest method handlers.
This mostly reworks the existing code that sets SYSTEMD_NSS_BYPASS_BUS=
(which is a similar hack to deal with deadlocks between nss-systemd and
dbus-daemon itself) to set SYSTEMD_NSS_DYNAMIC_BYPASS=1 instead. No code
was checking SYSTEMD_NSS_BYPASS_BUS= anymore anyway, and it used to
solve a similar problem, hence it's an obvious piece of code to rework
like this.
Issue originally tracked down by Lukas Märdian. This patch is inspired
and closely based on his patch:
https://github.com/systemd/systemd/pull/22038Fixes: #15316
Co-authored-by: Lukas Märdian <slyon@ubuntu.com>
(cherry picked from commit de90700f36)
A first step of removing blocking calls to the D-Bus broker from PID 1.
There's a lot more to got (i.e. grep src/core/ for sd_bus_creds
basically), but it's a start.
Removing blocking calls to D-Bus broker deals systematicallly with
deadlocks caused by dbus-daemon blocking on synchronous IPC calls back
to PID1 (e.g. Varlink calls through nss-systemd). Bugs such as #15316.
Also-see: https://github.com/systemd/systemd/pull/22038#issuecomment-1042958390
(cherry picked from commit e39eb045a5)
Previously we'd only watch configured service bus names if Type=dbus was
set. Let's also watch it for other types. This is useful to pick up the
main PID of such a service. In fact the code to pick it up was already
in place, alas it didn't do anything given the signal was never received
for it. Fix that.
(It's also useful for debugging)
(cherry picked from commit 1e8b312e5a)
