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Frantisek Sumsal c07f18ffd4 shared: fix integer overflow in calendarspec 
Fixes: oss-fuzz#22208

```
test/fuzz/fuzz-calendarspec/oss-fuzz-22208... ../src/shared/calendarspec.c:666:48: runtime error: signed integer overflow: 2147000000 + 1000000 cannot be represented in type 'int'
    #0 0x7f0b9f6cc56a in prepend_component ../src/shared/calendarspec.c:666
    #1 0x7f0b9f6cd03a in parse_chain ../src/shared/calendarspec.c:718
    #2 0x7f0b9f6cea1c in parse_calendar_time ../src/shared/calendarspec.c:845
    #3 0x7f0b9f6d1397 in calendar_spec_from_string ../src/shared/calendarspec.c:1084
    #4 0x401570 in LLVMFuzzerTestOneInput ../src/fuzz/fuzz-calendarspec.c:17
    #5 0x401ae0 in main ../src/fuzz/fuzz-main.c:39
    #6 0x7f0b9e31b1a2 in __libc_start_main (/lib64/libc.so.6+0x271a2)
    #7 0x40122d in _start (/home/fsumsal/repos/systemd/build/fuzz-calendarspec+0x40122d)

SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../src/shared/calendarspec.c:666:48 in
```
2020-05-15 16:07:29 +02:00
.github cifuzz: set allowed-broken-targets-percentage to 0 2020-05-14 10:33:54 +02:00
.lgtm/cpp-queries lgtm: complain about accept() [people should use accept4() instead, due to O_CLOEXEC] 2019-04-10 20:03:38 +02:00
.mkosi Tidy up the Fedora mkosi Package list 2020-05-13 08:23:51 +02:00
catalog catalog,po: update Polish translation 2020-05-04 17:13:02 +02:00
coccinelle tree-wide: formatting tweaks reported by Coccinelle 2020-04-21 23:21:04 +02:00
docs docs: add some backticks and more formatting to PASSWORD_AGENTS.md (#15803) 2020-05-13 14:52:09 +02:00
factory/etc home: add pam_systemd_home.so PAM hookup 2020-01-28 22:36:41 +01:00
hwdb.d hwdb: fix microphone shortcut on HP EliteBook 840 G1 2020-05-15 09:09:08 +02:00
man network: Add support to group links. 2020-05-15 15:27:07 +02:00
modprobe.d Add SPDX license headers to various assorted files 2017-11-19 19:08:15 +01:00
network network: add TUN/TAP vt-* network rule for VMs 2020-04-17 19:15:00 +02:00
po catalog,po: update Polish translation 2020-05-04 17:13:02 +02:00
presets preset: let's clean up preset list a bit 2020-04-07 19:01:00 +02:00
rules.d rules.d: import the keyboard builtin instead of running it 2020-03-01 14:04:30 +01:00
semaphoreci ci: install fdisk on Debian 2020-05-14 04:24:49 +03:00
shell-completion shell-completion/zsh: update systemd-analyze completions 2020-04-27 08:40:15 +02:00
src shared: fix integer overflow in calendarspec 2020-05-15 16:07:29 +02:00
sysctl.d sysctl: enable coredump for suid binaries 2020-04-07 15:28:46 +02:00
sysusers.d sysusers,tmpfiles: re-create systemd-network, systemd-resolve and systemd-timesync 2018-07-16 17:11:50 +02:00
test shared: fix integer overflow in calendarspec 2020-05-15 16:07:29 +02:00
tmpfiles.d tmpfiles: apply ACLs to top-level journal directory in /run, too 2020-01-31 15:04:12 +01:00
tools man: put all pages which mention a specifier in the index 2020-05-07 16:30:10 +02:00
travis-ci ci: install fdisk on Debian 2020-05-14 04:24:49 +03:00
units tree-wide: add size limits for tmpfs mounts 2020-05-13 00:37:18 +02:00
xorg scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.clang-format Improve help for clang-format 2020-04-25 09:39:31 +02:00
.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 scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.gitattributes git: indicate that tabs are never OK in the systemd tree 2013-10-30 02:25:38 +01:00
.gitignore gitignore: add nspawn image lock and mkosi temporary files 2018-09-07 20:00:22 +02:00
.lgtm.yml lgtm: drop the TMPDIR/meson workaround 2020-03-03 20:27:42 +01:00
.mailmap NEWS: update contributors list 2020-03-03 08:31:06 +01:00
.travis.yml travis: add missing closing quote sign 2019-11-24 13:15:20 +03:00
.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
azure-pipelines.yml Free up some resources on Azure Pipelines 2019-07-17 13:28:38 +09:00
configure treewide: more portable bash shebangs 2020-03-05 17:27:07 +01:00
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 build-sys: Fix Makefile wrapper for install target (#6548) 2017-08-07 11:29:20 +02:00
meson_options.txt coredump: add zstandard support for coredumps 2020-05-04 10:59:43 +02:00
meson.build shared/ethtool-util: hush gcc warnings about array bounds 2020-05-11 13:57:11 +02:00
mkosi.build mkosi: Unify environment for unit tests 2020-04-22 10:35:12 +02:00
mkosi.default mkosi: create .mkosi directory 2016-10-06 11:53:58 -04:00
NEWS core: introduce support for cgroup freezer 2020-04-30 19:02:51 +02:00
README coredump: add zstandard support for coredumps 2020-05-04 10:59:43 +02:00
README.md oss-fuzz: point the badge directly to our logs 2020-04-04 19:41:33 +02:00
TODO update TODO 2020-05-14 23:59:23 +02:00
zanata.xml po: add basic fedora.zanata.org configuration 2018-02-19 13:56:57 +01:00

README.md

Systemd

System and Service Manager

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Details

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 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.