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This reverts commit f42d41cc5f.
DHCPv6 client does not require MAC address.
DHCPv4 client will be handled in a different way in a later commit.
Partially fixes#23546.
(cherry picked from commit 8f4f630731)
crypt_init_data_device() replaces the crypt_device struct with a
new allocation, losing the old one, which we get from crypt_init().
Use crypt_set_data_device() instead.
Enhance the test to cover this option too.
(cherry picked from commit 872f9da4d8)
The llvm bpf compiler appears to place const volatile variables in
a non-standard section which creates an incompatibility with the gcc
bpf compiler.
To fix this force GCC to also use the rodata section.
Note this does emit an assembler warning:
Generating src/core/bpf/restrict_ifaces/restrict-ifaces.bpf.unstripped.o with a custom command
/tmp/ccM2b7jP.s: Assembler messages:
/tmp/ccM2b7jP.s:87: Warning: setting incorrect section attributes for .rodata
See:
https://github.com/llvm/llvm-project/issues/56468
Fixes:
../src/core/restrict-ifaces.c:45:14: error: ‘struct
restrict_ifaces_bpf’ has no member named ‘rodata’; did you mean
‘data’?
45 | obj->rodata->is_allow_list = is_allow_list;
| ^~~~~~
| data
(cherry picked from commit e8b1e9cf10)
According to the C++ ISO standard, a conformant compiler is allowed to
define this macro to any value for any reason as it is implementation
defined: https://timsong-cpp.github.io/cppwp/cpp.predefined#2.3
This mean that it cannot be assumed that it is not defined in a C++.
Change the condition to reflect that.
(cherry picked from commit 00852912ed)
Via the "backing_fd" variable we intend to pin the backing inode through
our entire code. So far we typically created the fd via F_DUPFD_CLOEXEC,
and thus any BSD lock taken one the original fd is shared with our
backing_fd reference. And if the origina fd is closed but our backing_fd
is not, we'll keep the BSD lock open, even if we then reopen the block
device through the backing_fd. If hit, this results in a deadlock.
Let's fix that by creating the backing_fd via fd_reopen(), so that the
locks are no longer shared, and if the original fd is closed all BSD
locks on it that are in effect are auto-released.
(Note the deadlock is only triggered if multiple operations on the same
backing inode are executed, i.e. factory reset, resize and applying of
partitions.)
Replaces: #24181
(cherry picked from commit 38f81e9374)
Everywhere else that `conf.get('ENABLE_*')` is used as a boolean key for
something (for example in if statements) it always checks if == 1, but
in this one case it neglects to do so. This is important because
conf.get yields the same int that was stored, but if statements require
booleans.
So does executable's "install" kwarg, at least according to the
documentation. In actuality, it accepts all types without sanity
checking, then uses python "if bool(var)", so you can actually do
`install: 'do not'` and that's treated identical to `true`. This is a
type-checking bug which Meson will eventually fix.
muon fails on the same code, today.
(cherry picked from commit 9e4a50bcdf)
by default, gcrypt defaults to an userspace RNG, this is
the wrong thing (tm) to do on linux.
Switch to the SYSTEM rng instead.
(cherry picked from commit 80f967311a)
Kubevirt is currently technically based on KVM (but not xen yet[1]).
The systemd-detect-virt command, used to differentiate the current
virtualization environment, works fine on x86 relying on CPUID, while
fails to get the correct value (none instead of kvm) on aarch64.
Let's fix this by adding a new 'vendor[KubeVirt] = kvm' classification
considering the sys_vendor is always KubeVirt.
[1] https://groups.google.com/g/kubevirt-dev/c/C6cUgzTOsVg
Signed-off-by: Fei Li <lifei.shirley@bytedance.com>
(cherry picked from commit c15d1ac2c4)
Otherwise, if we have many cached entries or pending transactions with
TYPE_ANY, then dns_transaction_make_packet_mdns() fails with -EMSGSIZE.
This also fixes use-after-free.
Fixes#23894.
(cherry picked from commit 325513bc77)
Fixes the following assertion:
---
Assertion 'r > 0' failed at src/resolve/resolved-mdns.c:180, function mdns_do_tiebreak(). Aborting.
---
(cherry picked from commit f2605af1f2)
Also, this makes mDNS regular queries sent without delay (except for
one caused by the default accuracy of sd-event).
Note, RFC 6762 Section 5.2 is about continuous mDNS query, which is not
implemented yet.
(cherry picked from commit 765647ba80)
When running on images you don't want to modify the /tmp
directory even if it's writable, and often it will just
be read-only. Set PrivateTmp=yes.
Fixes https://github.com/systemd/systemd/issues/23592
(cherry picked from commit f2d26cd89b)
This reverts commit e4de58c823.
If mkdir() fails and the path does exist, then the later mount
command fails anyway. Hence, it is not necessary to fail here.
Fixes#24120.
(cherry picked from commit e5e6b7c225)
The variable `inst` was set to NULL by TAKE_PTR().
This fixes the following log message:
```
systemd[1]: Unit getty@tty2.service has alias (null).
```
(cherry picked from commit 7c35b78a0b)
For the system manager, /run/systemd/private is publicly accessible, because
/run/systemd is 0755, and /run/systemd/private is 0777. For the user manager,
/run/user/<uid> is 0700, and /run/user/<uid>/systemd/private is 0777. This
does not directly cause any security issue because we check the sender in
bus_check_peercred (ucred.uid != 0 && ucred.uid != geteuid()).
But it makes sense to limit access to the socket to avoid wasting time in PID1.
Somebody could send messages there that'd we'd reject anyway. It also makes
things more explicit.
(cherry picked from commit df1cbd1adf)
While Type=file works because it seems to be the default, the line gets
ignored as printed on the stderr output.
Use the correct value "regular-file" for the target type.
(cherry picked from commit 0ad7b7b809)
It is not clear what "unprivileged user namespaces are available" means.
It could mean either that they are only usable, that is, enabled in the kernel,
or they have been enabled for the specific service. Referring to the
`PrivateUsers=` options makes it clear that the latter is meant.
(cherry picked from commit 34aee208b5)
since in this specific case (r == 0) `errno` is irrelevant and most likely
set to zero, leading up to a confusing message:
```
[ 120.595085] H systemd[1]: session-5.scope: No PIDs left to attach to the scope's control group, refusing: Success
[ 120.595144] H systemd[1]: session-5.scope: Failed with result 'resources'.
```
(cherry picked from commit e99b9285cb)
Ambient capabilities should not be passed implicitly to user
services. Dropping them does not affect the permitted and effective sets
which are important for the manager itself to operate.
(cherry picked from commit 963b6b906e)
