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When an activation job is skipped because of a Condition*= setting failing,
currently the JobRemoved signal lists 'done' as the result, just as with
a successful job.
This is a problem when doing dbus activation: dbus-broker will receive a
signal that says the job was successful, so then it moves into a state where
it waits for the requested name to appear on the bus, but that never happens
because the job was actually skipped.
Add a new StartUnitWithFlags that changes the behaviour of the JobRemoved
signal to list 'done' or 'skipped'.
Fixes#21520
This removes the DNS_SERVER_FEATURE_LEVEL_LARGE, and sets the EDNS0
advertised max packet size as if always in 'large' mode.
Without this, we always send out EDNS0 opts that limit response sizes
to 512 bytes, thus the remote server will never send anything larger
and will always truncate responses larger than 512 bytes, forcing us
to drop from EDNS0 down to TCP, even though one of the primary benefits
of EDNS0 is larger packet sizes.
Fixes: #20993
`link_is_ready_to_configure()` is used to judge we can configure
addresses, routes, and etc. And they can be configured independently of
stacked netdevs.
Programs run by udev triggers may need to execute the bpf() syscall. Even more
so, since on a cgroup v2 system, the only way to set up device access filtering
is to install a BPF program on the cgroup in question and one way of passing
data to such program is through BPF maps, which can only be access using the
bpf() syscall. One such use case was identified in RHBZ#2025264 related to
snap-device-helper, and led to RHBZ#2027627 being filed.
Unfortunately there is no finer grained control over what gets passed in the
syscall, so just enable bpf() and leave fine grained mediation to other
security layers (eg. SELinux).
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2027627
Signed-off-by: Maciek Borzecki <maciek.borzecki@gmail.com>
People often assigns the MAC address of the enslaved interface to e.g.
bridge interface. So, the local assignment bit should not be adjusted.
Fixes#21649.
Writing a byte to test10.socket is actually the root cause of issue #19154:
depending on the timing, it's possible that PID1 closes the socket before socat
(or nc, it doesn't matter which tool is actually used) tries to write that one
byte to the socket. In this case writing to the socket returns EPIPE, which
causes socat to exit(1) and subsequently make the test fail.
Since we're only interested in connecting to the socket and triggering the rate
limit of the socket, this patch removes the parts that write the single byte to
the socket, which should remove the race for good.
Since it shouldn't matter whether the test uses socat or nc, let's switch back
to nc and hence remove the sole user of socat. The exit status of nc is however
ignored because some versions might choke when the socket is closed
unexpectedly.
Disabling NOCOW when data has been written to a file doesn't work.
Instead, when we're done writing to a journal file (after archiving),
let's rewrite the file with COW enabled. This also takes care of
properly defragmenting the file.
With zstd compression level 3, journal files are compressed to 12%
of their original size with default journal settings.
As rewriting the file might take a while since we also do an fsync()
after the rewrite, this work is done in the offline thread to avoid
blocking the journald event loop.
On btrfs, trying to disable FS_NOCOW_FL on a file that has data
already written will fail silently without reporting an error. To
catch such cases, let's query the flags again if the IOC_SETFLAGS
ioctl() succeeds to make sure the flags we tried to configure we're
actually accepted by the kernel.
When we archive a path, we rename the file to indicate this. However,
until now, we didn't actually update the path member of the corresponding
JournalFile instance. Let's make sure we also update this to avoid
misuse of the old path later on.
This change also requires we save the previous path in journal_file_rotate()
since we need to open a new file at the previous path.
