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Backports of patch from systemd git to stable distributions
55,953 Commits 36 Branches 641 Tags 224 MiB
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0e711b7c06
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Sam James 0e711b7c06 tmpfiles: avoid null free() for acl attributes 
When built with ACL support, we might be processing a tmpfiles
entry where there's no cause for us to call parse_acls_from_arg,
then we get to the end of parse_line without having ever populated
i.{acl_access, acl_default}.

Then we pass a null pointer into acl_free().

From UBSAN w/ GCC 13.0.0_pre20230101:
```
$ systemd-tmpfiles --clean
/var/tmp/portage/sys-apps/acl-2.3.1-r1/work/acl-2.3.1/libacl/acl_free.c:44:14: runtime error: applying non-zero offset 18446744073709551608 to null pointer
    #0 0x7f65d868b482 in acl_free /var/tmp/portage/sys-apps/acl-2.3.1-r1/work/acl-2.3.1/libacl/acl_free.c:44
    #1 0x55fe7e592249 in item_free_contents ../systemd-9999/src/tmpfiles/tmpfiles.c:2855
    #2 0x55fe7e5a347a in parse_line ../systemd-9999/src/tmpfiles/tmpfiles.c:3158
    #3 0x55fe7e5a347a in read_config_file ../systemd-9999/src/tmpfiles/tmpfiles.c:3897
    #4 0x55fe7e590c61 in read_config_files ../systemd-9999/src/tmpfiles/tmpfiles.c:3985
    #5 0x55fe7e590c61 in run ../systemd-9999/src/tmpfiles/tmpfiles.c:4157
    #6 0x55fe7e590c61 in main ../systemd-9999/src/tmpfiles/tmpfiles.c:4218
    #7 0x7f65d7ebe289  (/usr/lib64/libc.so.6+0x23289)
    #8 0x7f65d7ebe344 in __libc_start_main (/usr/lib64/libc.so.6+0x23344)
    #9 0x55fe7e591900 in _start (/usr/bin/systemd-tmpfiles+0x11900)
```

(cherry picked from commit 9f804ab04d)
(cherry picked from commit a11a949c43)
(cherry picked from commit 455193605d)
2023-01-28 00:50:04 +00:00
.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 semaphoreci: move runner from Bionic to Focal 2022-04-29 00:13:13 +01:00
catalog meson: do not use split() in file lists 2022-03-05 21:03:32 +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: swap Name and Partition Type UUID in header 2022-03-05 21:03:32 +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 Revert "cryptsetup: support keyfile-timeout for using a device as the key file" 2022-12-22 17:32:00 +01:00
mkosi.default.d mkosi: drop libiptc from build for Fedora 2022-05-26 12:36:33 +01:00
modprobe.d meson: install the right README file in modprobe.d 2021-07-07 14:52:05 +02:00
network network: dhcp-pd: add 6rd support 2021-12-07 20:33:16 +09:00
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 bash-completion: add systemd-dissect support 2022-11-04 13:09:21 +01:00
src tmpfiles: avoid null free() for acl attributes 2023-01-28 00:50:04 +00:00
sysctl.d build: preserve correct mode when generating files via jinja2 2021-11-08 12:06:48 +00:00
sysusers.d sysusers: avoid creating spurious "nobody" group 2021-11-30 16:16:25 +01:00
test network/bridge: fix UseBPDU= and AllowPortToBeRoot= 2022-11-04 13:09:21 +01:00
tmpfiles.d tmpfiles: split out config for systemd-resolve 2021-11-16 16:56:08 +01:00
tools docs: swap Name and Partition Type UUID in header 2022-03-05 21:03:32 +00:00
units units: allow systemd-userdbd to change process name 2023-01-28 00:50:04 +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 meson: Drop required libfdisk version to 2.32 2022-03-05 21:03:32 +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.