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This makes DEPTH_MAX lower value, as test-json fails with stack
overflow.
Note that the test can pass with 8k, but for safety, here set to 4k.
Fixes#10738.
My logs are full of:
systemd-udevd[6586]: seq 13515 queued, 'add' 'block'
systemd-udevd[6586]: seq 13516 queued, 'change' 'block'
systemd-udevd[6586]: seq 13517 queued, 'change' 'block'
systemd-udevd[6586]: seq 13518 queued, 'remove' 'bdi'
systemd-udevd[6586]: seq 13519 queued, 'remove' 'block'
systemd-udevd[9865]: seq 13514 processed
systemd-udevd[9865]: seq 13515 running
systemd-udevd[9865]: GROUP 6 /usr/lib/udev/rules.d/50-udev-default.rules:59
systemd-udevd[9865]: IMPORT builtin 'blkid' /usr/lib/udev/rules.d/60-persistent-storage.rules:95
systemd-udevd[9865]: IMPORT builtin 'blkid' fails: No such file or directory
systemd-udevd[9865]: loop4: Failed to add device '/dev/loop4' to watch: No such file or directory
(the last line is at error level).
If we are too slow to set up a watch and the device is already gone by the time
we try, this is not an error.
Rebooting to set change the kernel command line to set some udev parameters is
inconvenient. Let's allow setting more stuff in the config file.
Also drop quotes from around "info" in udev.conf. We need to accept them for
compatibility, but there is no reason to use them.
The current code has multiple issues and it should never be done like
that. If someone updates list of allowed devices we should attach new
program before we remove the old one for two reasons:
1. It takes some time to attach new program so there is a period of time
when all devices are allowed.
2. BPF programs have limit for number of instructions (4096) and if user
adds a lot of devices we might hit the instruction limit and the new
program will not be accepted which will result in allow all devices
because the old program was already removed.
In order to attach the new program before we remove the old one we need
to use BPF_F_ALLOW_MULTI flag every time.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
It was always set to one third of timeout_usec, so let's simplify things by
calculating it using a helper function right before it is used.
Before 9d9264ba39, udevd.c would avoid setting
timeout_warn_usec to 0, using 1 instead. This wasn't necessary, because when
timeout_warn_usec is finally used in spawn_wait(), it is ignored if
timeout_usec is 0 or timeout_warn_usec is 0. So there was no need to handle
this case specially.
From #10526:
$ sudo systemd-nspawn -i image
Spawning container image on /home/zbyszek/src/mkosi/image.
Press ^] three times within 1s to kill container.
Short read while reading cgroup mode.
This is required for /proc/self/fd/xyz to work, but that's what we need
to convert the O_PATH fd returned by chase_symlinks() back to a regular
file fd. Hence, let's do the joining of the namespaces fully and
correctly, by doing fork()+setns()+fork() with the PID and fs
namespaces.
This makes use of the new namespace_fork() helper we just added.
Fixes: #10549
This helper is useful to ensure pidns/userns joining is properly
executed (as that requires a fork after the setns()). This is
particularly important when it comes to /proc/self/ access or
SCM_CREDENTIALS, but is generally the safer mode of operation.
Fedora Rawhide renamed dbus.service to dbus-daemon.service - that
breaks tests which require working DBus (e.g. TEST-03-JOBS)
Excerpt from the dbus.spec:
The 'dbus' package is only retained for compatibility purposes. It will
eventually be removed and then replaced by 'Provides: dbus' in the
dbus-daemon package. It will then exclusively be used for other packages to
describe their dependency on a system and user bus. It does not pull in any
particular dbus *implementation*, nor any libraries. These should be pulled
in, if required, via explicit dependencies.
now that logind doesn't mount $XDG_RUNTIME_DIR anymore we can lock down
the service using fs namespacing (as we don't need the mount to
propagate to the host namespace anymore).
The previous code did htole64() followed by unaligned_write_be32() (the
XOR and shift in between is endianness agnostic). That means, on every
architeture there is always exactly one byte swap and the iaid is
dependent on endianness.
Since dhcp_identifier_set_iaid() is part of the DUID generation
algorithm, this cannot be fixed without changing the client-id.
In particular, as the client-id already depends on the machine-id (and
is thus inherrently host-specific), it is better to stick to the current
behavior.
However, add a parameter to switch between old and new behaviour.
Since the new behavior is unused, the only real purpose of this
change is to self-document the oddity of the function.
Fixes: 933f9caeeb
Previously, setting this option by default was problematic due to
SELinux (as this would also prohibit the transition from PID1's label to
the service's label). However, this restriction has since been lifted,
hence let's start making use of this universally in our services.
On SELinux system this change should be synchronized with a policy
update that ensures that NNP-ful transitions from init_t to service
labels is permitted.
An while we are at it: sort the settings in the unit files this touches.
This might increase the size of the change in this case, but hopefully
should result in stabler patches later on.
Fixes: #1219
Add unit name in StartLimitAction=, FailureAction= and SuccessAction=
emergency_action() reason messages, so that the problematic unit is
easily visible, for example:
"unit dbus.service failed"
The function util_log_priority() is almost same as
log_level_from_string(). The difference between them is only that
util_log_priority() accepts such that '3 hogehoge'.
