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lcov 2.1 introduced additional consistency checks [0] which make it trip
over our coverage results quite often:
Summary coverage rate:
source files: 915
lines.......: 36.9% (78950 of 214010 lines)
functions...: 53.3% (6906 of 12949 functions)
Message summary:
73 warning messages:
inconsistent: 73
lcov: ERROR: (corrupt) unable to read trace file '/var/tmp/systemd-test-TEST-04-JOURNAL/coverage-info.new': lcov: ERROR: (inconsistent) "/build/src/shutdown/umount.c":298: function 'umount_with_timeout' is not hit but line 317 is.
To skip consistency checks, see the 'check_data_consistency' section in man lcovrc(5).
(use "lcov --ignore-errors inconsistent ..." to bypass this error)
(use "lcov --ignore-errors corrupt ..." to bypass this error)
This is caused by coverage collected during shutdown which is a bit
unreliable, especially towards the final shutdown stage(s). Let's just
ignore the consistency errors for now.
[0] https://github.com/linux-test-project/lcov/releases/tag/v2.2
libnvme 1.11 appears to require a kernel built with NVME TLS
kconfigs, and fails hard if it is not, as the expected
privileged keyring '.nvme' is not present. We cannot just
create it from userspace, as privileged keyrings can only
be created by the kernel itself (those starting with '.').
Skip the test if the library exactly matches this version.
https://github.com/linux-nvme/nvme-cli/issues/2573
Fixes https://github.com/systemd/systemd/issues/35130
Previously, when multiple routers send RAs with the same preference,
then the kernel merges routes with the same gateway address:
===
default proto ra metric 1024 expires 595sec pref medium
nexthop via fe80::200:10ff:fe10:1060 dev enp0s9 weight 1
nexthop via fe80::200:10ff:fe10:1061 dev enp0s9 weight 1
===
This causes IPv6 Conformance Test v6LC.2.2.11 failure, as reported in #33470.
To avoid the coalescing issue, we can use nexthop, as suggested by Ido Schimmel:
https://lore.kernel.org/netdev/ZytjEINNRmtpadr_@shredder/
> BTW, you can avoid the coalescing problem by using the nexthop API.
> # ip nexthop add id 1 via fe80::200:10ff:fe10:1060 dev enp0s9
> # ip -6 route add default nhid 1 expires 600 proto ra
> # ip nexthop add id 2 via fe80::200:10ff:fe10:1061 dev enp0s9
> # ip -6 route append default nhid 2 expires 600 proto ra
> # ip -6 route
> fe80::/64 dev enp0s9 proto kernel metric 256 pref medium
> default nhid 1 via fe80::200:10ff:fe10:1060 dev enp0s9 proto ra metric 1024 expires 563sec pref medium
> default nhid 2 via fe80::200:10ff:fe10:1061 dev enp0s9 proto ra metric 1024 expires 594sec pref medium
Fixes#33470.
Suggested-by: Ido Schimmel <idosch@idosch.org>
- fix verifiers in test_router_preference() to make them actually check
if unnecessary routes are removed,
- stop radv in test_ndisc_vs_static_route() before checking if the static
route is preserved even when the router sends a RA with zero lifetime,
- make verifiers in NetworkdIPv6PrefixTests stricter.
Let's gather generic key/certificate operations in a new tool
systemd-keyutil instead of spreading them across various special purpose
tools.
Fixes#35087
Follow-up for 451c2baf30.
With the commits, reloading .network files does not release previously
acquired DHCP lease and friends if possible.
On graceful reconfigure triggered by the reload, the interface may
acquire a new DHCPv4 lease earlier than DHCPv6 lease. In that case,
the check will fail as it is done with the new DHCPv4 lease and old
DHCPv6 lease, which does not contain any IPv6 DNS servers or so.
So, when switching from no -> yes, we need to wait a new lease with DNS
servers or so. To achieve that, we need to clean reconfigure the interface.
Follow-up for 451c2baf30.
With the commits, reloading .network files does not release previously
acquired DHCP lease and friends if possible. If previously a DHCP client
was configured as not requesting DNS servers or so, then the previously
acquired lease might not contain any DNS servers. In that case, if the
new .network file enables UseDNS=, then the interface should enter the
configured state after a new lease is acquired. To achieve that, we need
to reset the flags.
With this change, the workaround applied to the test by the commit
451c2baf30 can be dropped.
Let's gather generic key/certificate operations in a new tool
systemd-keyutil instead of spreading them across various special
purpose tools.
Fixes#35087
Currently in mkosi and ukify we use sbsigntools to do secure boot
signing. This has multiple issues:
- sbsigntools is practically unmaintained, sbvarsign is completely
broken with the latest gnu-efi when built without -fshort-wchar and
upstream has completely ignored my bug report about this.
- sbsigntools only supports openssl engines and not the new providers
API.
- sbsigntools doesn't allow us to cache hardware token pins in the
kernel keyring like we do nowadays when we sign stuff ourselves in
systemd-repart or systemd-measure
There are alternative tools like sbctl and pesign but these do not
support caching hardware token pins in the kernel keyring either.
To get around the issues with sbsigntools, let's introduce our own
tool systemd-sbsign to do secure boot signing. This allows us to
take advantage of our own openssl infra so that hardware token pins
are cached in the kernel keyring as expected and we get openssl
provider support as well.
Currently in mkosi and ukify we use sbsigntools to do secure boot
signing. This has multiple issues:
- sbsigntools is practically unmaintained, sbvarsign is completely
broken with the latest gnu-efi when built without -fshort-wchar and
upstream has completely ignored my bug report about this.
- sbsigntools only supports openssl engines and not the new providers
API.
- sbsigntools doesn't allow us to cache hardware token pins in the
kernel keyring like we do nowadays when we sign stuff ourselves in
systemd-repart or systemd-measure
There are alternative tools like sbctl and pesign but these do not
support caching hardware token pins in the kernel keyring either.
To get around the issues with sbsigntools, let's introduce our own
tool systemd-sbsign to do secure boot signing. This allows us to
take advantage of our own openssl infra so that hardware token pins
are cached in the kernel keyring as expected and we get openssl
provider support as well.
E.g. when a .network file is updated, but DHCP setting is unchanged, it
is not necessary to drop acquired DHCP lease.
So, let's not stop DHCP client and friends in link_reconfigure_impl(),
but stop them later when we know they are not necessary anymore.
Still DHCP clients and friends are stopped and leases are dropped when
the explicit reconfiguration is requested
This new setting allows unsharing the pid namespace in a unit. Because
you have to fork to get a process into a pid namespace, we fork in
systemd-executor to get into the new pid namespace. The parent then
sends the pid of the child process back to the manager and exits while
the child process continues on with the rest of exec_invoke() and then
executes the actual payload.
Communicating the child pid is done via a new pidref socket pair that is
set up on manager startup.
We unshare the PID namespace right before the mount namespace so we
mount procfs correctly. Note PrivatePIDs=yes always implies MountAPIVFS=yes
to mount procfs.
When running unprivileged in a user session, user namespace is set up first
to allow for PID namespace to be unshared. However, when running in
privileged mode, we unshare the user namespace last to ensure the user
namespace does not own the PID namespace and cannot break out of the sandbox.
Note we disallow Type=forking services from using PrivatePIDs=yes since the
init proess inside the PID namespace must not exit for other processes in
the namespace to exist.
Note Daan De Meyer did the original work for this commit with Ryan Wilson
addressing follow-ups.
Co-authored-by: Daan De Meyer <daan.j.demeyer@gmail.com>
This allows a single tmpfiles snippet with lines to symlink directories
from /usr/share/factory to be shared across many different configurations
while making sure symlinks only get created if the source actually exists.
When an exec directory is shared between services, this allows one of the
service to be the producer of files, and the other the consumer, without
letting the consumer modify the shared files.
This will be especially useful in conjunction with id-mapped exec directories
so that fully sandboxed services can share directories in one direction, safely.
Follow-up for 3cb72c7862.
The test container exits shortly, hence when varlinkctl is called, the
container may be already terminated. Let's make the container live
infinitely.
Also, this makes the os-release files removed after the container is started.
