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The EFI shell will pass the entire command line to the application it
starts, which includes the file path of the stub binary. This prevents
us from using the built-in cmdline if the command line is otherwise
empty.
Fortunately, the EFI shell registers a protocol on any images it starts
this way. The protocol even lets us access the args individually, making
it easy to strip the stub path off.
Fixes: #25201
(cherry picked from commit b17f3b3d80)
This fixes some bugs that could lead to garbage getting appended to the
command line passed to the kernel:
1. The .cmdline section is not guaranteed to be NUL-terminated, but it
was used as if it was.
2. The conversion of the command line to ASCII that was passed to the
stub ate the NUL at the end.
3. LoadOptions is not guaranteed to be a NUL-terminated EFI string (it
really should be and generally always is, though).
This also fixes the inconsistent mangling of the command line. If the
.cmdline section was used ASCII controls chars (new lines in particular)
would not be converted to spaces.
As part of this commit, we optimize conversion for the generic code
instead of the (deprecated) EFI handover protocol. Previously we would
convert to ASCII/UTF-8 and then back to EFI string for the (now) default
generic code path. Instead we now convert to EFI string and mangle that
back to ASCII in the EFI handover protocol path.
(cherry picked from commit 927ebebe58)
Pass getuid() instead of literal `0` as auid, since user session
managers also issue audit messages on SELinux denials.
(cherry picked from commit c826b7ef32)
Since f7725647bb when dissecting a disk
image we operate with fds to the device nodes in question wherever we
can. This includes when we fork off fsck, where we pass a /proc/self/fd/
path as argument. This only works if we keep that fd open however and
disable O_CLOEXEC on the fd. Hence do so, and fix fsck this way.
(Without this, all fsck will fail, since the fd path is invalid)
(cherry picked from commit f8ab781223)
Often the fds that shall stay around in the child shall be passed
to a process over execve(), hence add an option to explicitly disable
O_CLOEXEC on them in the child.
(cherry picked from commit 981cfbe046)
let's handle gracefully if fds in the specified array are already
invalidated (i.e. negative). This is handy when putting together arrays
on the fly.
(cherry picked from commit d11c14a981)
In provision.conf we ship:
d- /root :0700 root :root -
d- /root/.ssh :0700 root :root -
These are allowed to fail, for example on a read-only filesystem. But they still
log at error level, which is annoying and gets flagged. Tune those specific errors
down to info.
There are likely more that could be tuned down, but the important thing is to cover
the tmpfiles.d that we ship right now.
Before:
$ echo -e "d- /root :0700 root :root - \nd- /root/.ssh :0700 root :root -" | SYSTEMD_LOG_LEVEL=err build/systemd-tmpfiles --root=/tmp/img --create -
Failed to create directory or subvolume "/tmp/img/root": Read-only file system
Failed to open path '/tmp/img/root': No such file or directory
$
After:
$ echo -e "d- /root :0700 root :root - \nd- /root/.ssh :0700 root :root -" | SYSTEMD_LOG_LEVEL=err build/systemd-tmpfiles --root=/tmp/img --create -
$
(cherry picked from commit 244c2a8344)
strv_make_nulstr() is documented to always return a valid nulstr,
but if the input is `NULL` we return a string terminated with only
a single NUL terminator, so let's fix that and always terminate the
resulting string with two NUL bytes.
(cherry picked from commit 5ea173a91b)
Follow-up for #25368.
Let's consider ENOENT an expected error, and just debug log about it
(though, let's suffix it with `, ignoring.`). All other errors will log
loudly, as they are unexpected errors.
(cherry picked from commit af1bed8e83)
This patch fixes the following build failure:
meson.build:3853:8: ERROR: Unknown variable "test_kernel_install_sh".
Fixes#25432.
(cherry picked from commit cc77a56532)
If no root= switch is specified on the kernel command line we'll use the
root disk on which the partition the LoaderDevicePartUUID efi var is
located – as long as that partition is an ESP. Let's slightly liberalize
that and also allow it if that partition is an XBOOTLDR partition. This
ensures that UKIs spawned directly from XBOOTLDR work the same as those
from the ESP.
(Note that this makes no difference if sd-boot is in the mix, as in that
case LoaderDevicePartUUID is always set to the ESP, as that's where
sd-boot is located, and sd-boot will set the var first, sd-stub will
only set it later if it#s not set yet.)
(cherry picked from commit e4cb147a2e)
It's only used to avoid BLKDISCARD on individual partitions at the moment.
It can take a lot of time to run on very slow devices, so avoid it for
them too.
(cherry picked from commit 0dce448bbc)
When attaching and /etc/systemd/system.attached can't be created or used
(eg: dead symlink) the logs are pretty much useless as even at debug
level there's no indication of what is going wrong.
Add some debug logs, and return a more specific error string over D-Bus.
(cherry picked from commit 80d95fcd6e)
This conditional with !empty_or_root(ctx->path) always returns false
because the most recent oomd_cgroup_context_acquire() call was with the
root cgroup. Make sure this test case can be reached by checking cgroup
instead of ctx->path.
While here, use an unused uid (61183) instead of the nobody uid so the
test case does not fail in unprivileged LXD containers.
(cherry picked from commit f05bcc1894)
Commit 652a4efb66 ("oomd: loosen the restriction on ManagedOOMPreference")
made the change to allow ManagedOOMPreference on a cgroup candidate when
the monitored cgroup and cgroup candidate are owned by the same user.
The commit assumed that this check was sufficient to continue allowing
ManagedOOMPreference on all cgroups owned by root. However, it caused a
regression for unprivileged LXD containers where e.g. /sys/fs/cgroup is
owned by nobody (uid=65534).
Fix this by explicitly allowing the ManagedOOMPreference if uid == 0 in
oomd_fetch_cgroup_oom_preference().
(cherry picked from commit 8918609348)
Sometimes, RTM_NEWLINK message with carrier is received earlier than
NL80211_CMD_CONNECT. To make SSID= or other WiFi related settings in
[Match] section work, let's try to reconfigure the interface.
Fixes a bug introduced by 96f5f9ef9a.
Fixes#25384.
(cherry picked from commit 8a4ad01a72)
The second argument to _printf_() specifies where the arguments start. We need to
use 0 in two cases: when the args in a va_list and can't be checked, and with journald
logging functions which accept multiple format strings with multiple argument sets,
which the _printf_ checker does not understand. But strv_extendf() can be checked.
(cherry picked from commit 400102ec91)
ussually if you specify a DNS server on some interface then we'll use
that interface to talk to it. Let's override this for localhost
addresses, as they only really make sense on "lo".
Fixes: #25397
(cherry picked from commit 6e32414a66)
We only allow a selected subset of syscalls from nspawn containers
and don't list any time64 variants (needed for 32-bit arches when
built using TIME_BITS=64, which is relatively new).
We allow sched_rr_get_interval which cpython's test suite makes
use of, but we don't allow sched_rr_get_interval_time64.
The test failures when run in an arm32 nspawn container on an arm64 host
were as follows:
```
======================================================================
ERROR: test_sched_rr_get_interval (test.test_posix.PosixTester.test_sched_rr_get_interval)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/tmp/portage/dev-lang/python-3.11.0_p1/work/Python-3.11.0/Lib/test/test_posix.py", line 1180, in test_sched_rr_get_interval
interval = posix.sched_rr_get_interval(0)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
PermissionError: [Errno 1] Operation not permitted
```
Then strace showed:
```
sched_rr_get_interval_time64(0, 0xffbbd4a0) = -1 EPERM (Operation not permitted)
```
This appears to be the only time64 syscall that isn't already included one of
the sets listed in nspawn-seccomp.c that has a non-time64 variant. Checked
over each of the time64 syscalls known to systemd and verified that none
of the others had a non-time64-variant whitelisted in nspawn other than
sched_rr_get_interval.
Bug: https://bugs.gentoo.org/880131
(cherry picked from commit b9e7f22c2d)
systemd supports /etc/machine-id to be set to: uninitialized
In this case the expectation is that systemd creates a new
machine ID and replaces the value 'uninitialized' with the
effective machine id. In the scope of kernel-install we
should also enforce the creation of a new machine id in this
condition
(cherry picked from commit 305dd91adf)
systemd-cryptenroll complains (but succeeds!) upon binding to a signed PCR
policy:
$ systemd-cryptenroll --unlock-key-file=/tmp/passphrase --tpm2-device=auto
--tpm2-public-key=... --tpm2-signature=..." /tmp/tmp.img
ERROR:esys:src/tss2-esys/esys_iutil.c:394:iesys_handle_to_tpm_handle() Error: Esys invalid ESAPI handle (40000001).
WARNING:esys:src/tss2-esys/esys_iutil.c:415:iesys_is_platform_handle() Convert handle from TPM2_RH to ESYS_TR, got: 0x40000001
ERROR:esys:src/tss2-esys/esys_iutil.c:394:iesys_handle_to_tpm_handle() Error: Esys invalid ESAPI handle (40000001).
WARNING:esys:src/tss2-esys/esys_iutil.c:415:iesys_is_platform_handle() Convert handle from TPM2_RH to ESYS_TR, got: 0x4000000
New TPM2 token enrolled as key slot 1.
The problem seems to be that Esys_LoadExternal() function from tpm2-tss
expects a 'ESYS_TR_RH*' constant specifying the requested hierarchy and not
a 'TPM2_RH_*' one (see Esys_LoadExternal() -> Esys_LoadExternal_Async() ->
iesys_handle_to_tpm_handle() call chain).
It all works because Esys_LoadExternal_Async() falls back to using the
supplied values when iesys_handle_to_tpm_handle() fails:
r = iesys_handle_to_tpm_handle(hierarchy, &tpm_hierarchy);
if (r != TSS2_RC_SUCCESS) {
...
tpm_hierarchy = hierarchy;
}
Note, TPM2_RH_OWNER was used on purpose to support older tpm2-tss versions
(pre https://github.com/tpm2-software/tpm2-tss/pull/1531), use meson magic
to preserve compatibility.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
(cherry picked from commit 155c51293d)
This commit broke backwards compatibility so let's revert it until
we find a better solution.
This reverts commit 977ad21b5b.
(cherry picked from commit 1db6dbb1dc)
* Fix reading /etc/machine-id in kernel-install
The kernel-install script has code to read the contents of
/etc/machine-id into the MACHINE_ID variable. Depending
on the variable content kernel-install either logs the
value or creates a new machine id via 'systemd-id128 new'.
In that logic there is one issue. If the file /etc/machine-id
exists but is empty, the script tries to call read on an
empty file which return with an exit code != 0. As the
script code also uses 'set -e', kernel-install will exit at
this point which is unexpected.
The condition of an empty /etc/machine-id file exists for
example when building OS images, which should initialize the
system id on first boot but not staticly inside of the image.
afaik an empty /etc/machine-id is also a common approach
to make systemd indicate that it should create a new system
id. Because of this, the commit makes sure the reading of
/etc/machine-id does not fail in any case such that the
handling of the MACHINE_ID variable takes place.
(cherry picked from commit 883e7cbfc0)
If a battery is not present or its status is not discharging, then
the battery should not be used as a power source.
Let's count batteries currently discharging.
Fixes#25316.
(cherry picked from commit 1c03f7f4ba)
in_initrd() was really doing two things: checking if we're in the initrd, and
also verifying that the initrd is set up correctly. But this second check is
complicated, in particular it would return false for overlayfs, even with an
upper tmpfs layer. It also doesn't support the use case of having an initial
initrd with tmpfs, and then transitioning into an intermediate initrd that is
e.g. a DDI, i.e. a filesystem possibly with verity arranged as a disk image.
We don't need to check if we're in initrd in every program. Instead, concerns
are separated:
- in_initrd() just does a simple check for /etc/initrd-release.
- When doing cleanup, pid1 checks if it's on a tmpfs before starting to wipe
the old root. The only case where we want to remove the old root is when
we're on a plain tempory filesystem. With an overlay, we'd be creating
whiteout files, which is not very useful. (*)
This should resolve https://bugzilla.redhat.com/show_bug.cgi?id=2137631
which is caused by systemd refusing to treat the system as an initrd because
overlayfs is used.
(*) I think the idea of keeping the initrd fs around for shutdown is outdated.
We should just have a completely separate exitrd that is unpacked when we want
to shut down. This way, we don't waste memory at runtime, and we also don't
transition to a potentially older version of systemd. But we don't have support
for this yet.
This replaces 0fef5b0f0bd9ded1ae7bcb3e4e4b2893e36c51a6.
(cherry picked from commit a940f507fb)
This helps in avoiding compiling errors on musl. Definition of
IFF_LOOPBACK is the reason for including linux/if_arp.h, this however
could be obtained from net/if.h glibc header equally and makes it
portable as well.
(cherry picked from commit 239e4a42a6)
For some firmware, replacing their own security arch instance with our
override using ReinstallProtocolInterface() is not enough as they will
not use it. This commit goes back to how this was done before by
directly modifying the security protocols.
Fixes: #25336
(cherry picked from commit 967a868563)
This simplifies the caller interface for security arch overrides by only
having to pass a validator and an optional context.
(cherry picked from commit 5489c13bae)
If the device path to text protocol is not available (looking angrily at
Apple) we would fail to boot because we cannot get the loaded image
path. As this is only used for cosmetic purposes, we can just silently
continue.
Fixes: #25363
(cherry picked from commit af7ef648cd)
