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Kernel 5.8 gained a hidepid= implementation that is truly per procfs,
which allows us to mount a distinct once into every unit, with
individual hidepid= settings. Let's expose this via two new settings:
ProtectProc= (wrapping hidpid=) and ProcSubset= (wrapping subset=).
Replaces: #11670
it's not entirely clear what shall be passed via parameter and what via
struct, but these two definitely fit well with the other protect_xyz
fields, hence let's move them over.
We probably should move a lot more more fields into the structure
actuall (most? all even?).
The fix from cb263973ac was made the other way around,
i.e. `SIGKILL` was changed to `SIGUSR1`, but the sentence is about a "termination signal", i.e. `SIGKILL`, not `SIGUSR1`.
When introducing CAN-FD support, the .can_fd_mode was not initalized
with -1 and due to cm.mask containing the CAN_CTRLMODE_FD bit, it was
not ignored when FDMode was not configured but instead disabled.
The same thing happened when listen-only mode support was introduced.
On chips that do not support these features, this lead to an error:
can0: Failed to configure CAN link: Operation not supported
Fix it by intializing all the CAN related tristate variables
(.can_listen_only, .can_fd_mode and .can_non_iso) to -1.
This patch adds seccomp support to the riscv64 architecture. seccomp
support is available in the riscv64 kernel since version 5.5, and it
has just been added to the libseccomp library.
riscv64 uses generic syscalls like aarch64, so I used that architecture
as a reference to find which code has to be modified.
With this patch, the testsuite passes successfully, including the
test-seccomp test. The system boots and works fine with kernel 5.4 (i.e.
without seccomp support) and kernel 5.5 (i.e. with seccomp support). I
have also verified that the "SystemCallFilter=~socket" option prevents a
service to use the ping utility when running on kernel 5.5.
On new kernels (>= 5.8) unprivileged users may create the 0:0 character
device node. Which is great, as we can use that as inaccessible device
nodes if we run unprivileged. Hence, change how we find the right
inaccessible device inodes: when the user asks for a block device node,
but we have none, try the char device node first. If that doesn't exist,
fall back to the socket node as before.
This means that:
1. in the best case we'll return a node if the right device node type
2. otherwise we hopefully at least can return a device node if one asked
for even if the type doesn't match (i.e. we return char instead of
the requested block device node)
3. in the worst case (old kernels…) we'll return a socket node
Similarly to "setup" vs. "set up", "fallback" is a noun, and "fall back"
is the verb. (This is pretty clear when we construct a sentence in the
present continous: "we are falling back" not "we are fallbacking").
Commands like build/man/man journald.conf.d would show the installed
man page (or an error if the page cannot be found in the global search
path), and not the one in the build directory. If the man page is
a redirect, or the .html is a symlink, resolve it, build the target,
and show that.
For some reason this failed in koji build on s390x:
--- command ---
16:12:46 PATH='/builddir/build/BUILD/systemd-stable-246.1/s390x-redhat-linux-gnu:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/sbin' SYSTEMD_LANGUAGE_FALLBACK_MAP='/builddir/build/BUILD/systemd-stable-246.1/src/locale/language-fallback-map' SYSTEMD_KBD_MODEL_MAP='/builddir/build/BUILD/systemd-stable-246.1/src/locale/kbd-model-map' /builddir/build/BUILD/systemd-stable-246.1/s390x-redhat-linux-gnu/test-acl-util
--- stdout ---
-rw-r-----. 1 mockbuild mock 0 Aug 7 16:12 /tmp/test-empty.7RzmEc
other::---
--- stderr ---
Assertion 'r >= 0' failed at src/test/test-acl-util.c:42, function test_add_acls_for_user(). Aborting.
Follow the same model established for RootImage and RootImageOptions,
and allow to either append a single list of options or tuples of
partition_number:options.
let's make sure we collect the right error code from errno, otherwise
we'll see EPERM (i.e. error 1) for all errors readv() returns (since it
returns -1 on error), including EAGAIN.
This is definitely backport material.
A fix-up for 3691bcf3c5.
Fixes: #16699
The concept is flawed, and mostly useless. Let's finally remove it.
It has been deprecated since 90a2ec10f2 (6
years ago) and we started to warn since
55dadc5c57 (1.5 years ago).
Let's get rid of it altogether.
