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Backports of patch from systemd git to stable distributions
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Luca Boccassi 65fe9f3080 boot: skip loading DTBs in type 1 when secure boot is enabled 
The kernel loads the DTB from EFI before ExitBootServices():

https://github.com/torvalds/linux/blob/v6.5/drivers/firmware/efi/libstub/fdt.c#L245

DTBs can map and assign arbitrary memory ranges. The kernel refuses
to load one from the dtb= kernel command line parameter when secure
boot is enabled, as it's not safe. Let's do the same for type 1
entries, as they are unverified.

This only affects arm64 and riscv64, firmwares do not support DTB
on x86.

(cherry picked from commit 4b4d612d86)
(cherry picked from commit c1404fff32)
(cherry picked from commit 7844c655be)
(cherry picked from commit f381320760)
(cherry picked from commit 3c97ff5907)
2023-09-20 13:03:55 +01:00
.github mkosi: Remove Arch nspawn workaround 2022-03-05 21:03:32 +00:00
.lgtm/cpp-queries ci: pack-ify our custom CodeQL queries and enable them in Actions 2021-12-07 14:57:09 +01:00
.semaphore semaphore: remove the Semaphore repositories recursively 2023-01-28 00:50:04 +00:00
catalog meson: Install all catalogs 2023-02-13 21:10:07 +00:00
coccinelle Change all fixed-path bash shebangs to /u/b/env bash outside test/ 2021-12-12 21:13:50 +01:00
docs docs: remove /dev/tty* confusion 2023-02-13 21:10:07 +00:00
factory/etc pam: fix typo try_authtok → use_authtok 2021-05-12 12:14:17 +02:00
hwdb.d hwdb: analyzers: remove generic "STM Device in DFU Mode" 2022-07-13 13:15:56 +02:00
LICENSES licensing: add a license file for the fonts we carry 2021-10-18 09:43:18 +02:00
man man: add two missing commands to synopsys 2023-03-05 23:19:17 +00:00
mkosi.default.d mkosi: pull in libbpf1 instead of legacy libbpf0 on debian 2023-01-28 00:50:04 +00:00
modprobe.d meson: install the right README file in modprobe.d 2021-07-07 14:52:05 +02:00
network meson: Install missing network file 2023-02-13 21:10:07 +00:00
po Update LINGUAS (#21499) 2021-11-25 20:24:00 +09:00
presets units: enable systemd-network-generator by default 2021-12-16 09:49:39 +01:00
rules.d udev: always create device symlinks for USB disks 2022-11-04 13:09:21 +01:00
shell-completion meson: Install missing bash-completions 2023-02-13 21:10:07 +00:00
src boot: skip loading DTBs in type 1 when secure boot is enabled 2023-09-20 13:03:55 +01:00
sysctl.d build: preserve correct mode when generating files via jinja2 2021-11-08 12:06:48 +00:00
sysusers.d sysusers: also add root group 2023-02-16 20:59:05 +00:00
test test: make sure mount point exists in testsuite-64.sh 2023-01-28 00:50:04 +00:00
tmpfiles.d tmpfiles.d: drop misleading comment 2023-03-05 23:19:17 +00:00
tools docs: swap Name and Partition Type UUID in header 2022-03-05 21:03:32 +00:00
units units: pull in loop.ko and dm-mod.ko before repart 2023-02-13 21:10:07 +00:00
xorg xorg/50-systemd-user: add a full license header 2021-10-01 14:45:00 +02:00
.clang-format clang-format: we actually typically use 16ch continuation indentation 2022-03-05 21:03:32 +00:00
.ctags editors: Prevent ctags from following symlinks 2019-02-15 11:01:20 -08:00
.dir-locals.el scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.editorconfig editorconfig: set maximum line length to 109 for man/*.xml files 2021-09-30 13:45:34 +02:00
.gitattributes gitattributes: introduce and use "generated" attribute 2021-10-18 09:42:55 +02:00
.gitignore emacs: ignore .dir-locals-2.el (personal customization) versioning 2022-07-13 13:30:44 +02:00
.lgtm.yml ci: add a missing SPDX header 2021-12-07 14:15:04 +01:00
.mailmap mailmap: two more names 2021-03-30 13:17:58 +02:00
.packit.yml packit: drop bfq patch 2022-04-02 01:56:36 +09:00
.vimrc scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.ycm_extra_conf.py ycm: add doc string for all the functions in configuration file 2017-11-29 13:21:49 -07:00
configure tools: shellcheck-ify tool scripts 2021-09-30 12:27:06 +02:00
LICENSE.GPL2 relicense to LGPLv2.1 (with exceptions) 2012-04-12 00:24:39 +02:00
LICENSE.LGPL2.1 licence: remove references to old FSF address 2012-12-17 11:41:31 +01:00
Makefile tree-wide: add spdx header on all scripts and helpers 2021-01-28 09:55:35 +01:00
meson_options.txt boot, meson: allow statically linked build 2021-12-14 09:58:27 +09:00
meson.build meson: always use libatomic if found 2022-11-04 13:09:21 +01:00
mkosi.build ci: check for failed services after boot 2021-12-10 10:25:43 +01:00
mkosi.postinst ci: check for failed services after boot 2021-12-10 10:25:43 +01:00
NEWS NEWS: adjust links to moved pages 2022-01-12 22:10:30 +01:00
README README: explicitly note that util-linux's mount/swap are required 2023-02-13 21:10:07 +00:00
README.md Fix loading of graphs 2021-12-14 15:27:25 +09:00
TODO docs: use https:// for fd.o links 2022-01-12 22:10:51 +01:00

README.md

Systemd

System and Service Manager

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Details

Most documentation is available on systemd's web site.

Assorted, older, general information about systemd can be found in the systemd Wiki.

Information about build requirements is provided in the README file.

Consult our NEWS file for information about what's new in the most recent systemd versions.

Please see the Code Map for information about this repository's layout and content.

Please see the Hacking guide for information on how to hack on systemd and test your modifications.

Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.

When preparing patches for systemd, please follow our Coding Style Guidelines.

If you are looking for support, please contact our mailing list or join our IRC channel.

Stable branches with backported patches are available in the stable repo.