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core: add cgroup CPU controller support on the unified hierarchy
(zj: merging not squashing to make it clear against which upstream this patch was developed.)
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Random numbers are provided by the host kernel, we don't need to do anything.
https://bugzilla.redhat.com/show_bug.cgi?id=1329124
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In 68c4f6d the following was added:
local -a _modes; _modes=("--user" "--system")
local _sys_service_mgr=${${words:*_modes}[(R)(${(j.|.)_modes})]:---system}
With the following comment:
> If neither are on the line, --system is set; for system services to be
> completed.
But it does not work as documented:
% _modes=(--user --system)
% words=()
% echo ${${words:*_modes}[(R)(${(j.|.)_modes})]:---system}
However, it should not use `--system` in that case anyway, so this patch
removes the part that should cause a default to be used and adds some
comments.
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This only completes fields from `journalctl --user` in _journal_fields when `--user`
is used.
It also changes $_sys_service_mgr to include both `--system` and `--user`,
because `journalctl` behaves different from `systemctl` in this regard.
No attempt is made to filter out invalid combinations, e.g. when using both
`--directory` and `--system` (see https://github.com/systemd/systemd/issues/3949).
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zsh completion: handle --user mode when filtering by state and in journalctl commands
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This uses the same mechanism from _systemctl to inject `--user` into the
`journalctrl -F _EXE` call to list executables.
Before this patch the "commands" section would list executables from
system units always.
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Use `$_sys_service_mgr` to handle `--user`, so that `systemctl --user
stop` will correctly filter the active (user) units. Before this patch,
only user units that also exist as system units and are stoppable there
would be listed.
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The kernel treats values below a certain threshold (minfmt->min_coredump
which is initialized do ELF_EXEC_PAGESIZE, which varies between architectures,
but is usually the same as PAGE_SIZE) as disabling coredumps [1].
Any core image below ELF_EXEC_PAGESIZE will yield an invalid backtrace anyway [2],
so follow the kernel and not try to parse or store such images.
[1] https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/fs/coredump.c#n660
[2] systemd-coredump[16260]: Process 16258 (sleep) of user 1002 dumped core.
Stack trace of thread 16258:
#0 0x00007f1d8b3d3810 n/a (n/a)
https://bugzilla.redhat.com/show_bug.cgi?id=1309172#c19
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Add hwdb parser to check for inconsistencies
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Under NixOS, the config_path /etc/systemd/system is a symlink to
/etc/static/systemd/system. Commands such as `systemctl list-unit-files`
and `systemctl is-enabled` did not work as the symlink was not followed.
This does not affect how symlinks are treated within the config_path
directory.
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the /) (#3934)
Fixes #3927.
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It's hard to say which one of the two mappings should stay. But the later
one would win (when both very present), and nobody complained, so let's
assume that that's the one.
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It seems awkward to have both cases mixes. Note that the real parser
accepts both cases, and this only standarizes the usage in the systemd
database.
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Quoting https://github.com/systemd/systemd/pull/3906#discussion_r73828368:
> According to
> http://support.logitech.com/en_us/product/v220-cordless-optical-mouse-for-notebooks
> it seems the mouse is using a pre-version of the small unifying receiver we
> know now. If there are 2 mice with the same receiver, that means that the
> values should both be dropped IMO.
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This works for hwdb/[67]0-*.hwdb. I also added code to parse hwdb/20-*, but those
files are huge, and parsing them using this parser is annoyingly slow (about one
minute for the biggest files). So I removed the support for hwdb/20-*, a much simpler
hand-generated parser should suffice for those.
Current output:
hwdb/60-evdev.hwdb: 24 match groups, 35 matches, 88 properties, 0.19323015213012695s to parse
Match 'evdev:input:b0003v05ACp0259*' is duplicated
Match 'evdev:input:b0003v05ACp025A*' is duplicated
Match 'evdev:input:b0003v05ACp025B*' is duplicated
hwdb/60-keyboard.hwdb: 122 match groups, 188 matches, 638 properties, 1.0906572341918945s to parse
Failed to parse: 'KEYBOARD_KEY_8F=switchvideomode'
Failed to parse: 'KEYBOARD_KEY_C0183=media'
Failed to parse: 'KEYBOARD_KEY_C0201=new'
Failed to parse: 'KEYBOARD_KEY_C0289=reply'
Failed to parse: 'KEYBOARD_KEY_C028B=forwardmail'
Failed to parse: 'KEYBOARD_KEY_C028C=send'
Failed to parse: 'KEYBOARD_KEY_C021A=undo'
Failed to parse: 'KEYBOARD_KEY_C0279=redo'
Failed to parse: 'KEYBOARD_KEY_C0208=print'
Failed to parse: 'KEYBOARD_KEY_C0207=save'
Failed to parse: 'KEYBOARD_KEY_C0194=file'
Failed to parse: 'KEYBOARD_KEY_C01A7=documents'
Failed to parse: 'KEYBOARD_KEY_C01B6=images'
Failed to parse: 'KEYBOARD_KEY_C01B7=sound'
Property KEYBOARD_KEY_c7 is duplicated
Failed to parse: 'KEYBOARD_KEY_cF=end'
hwdb/70-mouse.hwdb: 62 match groups, 93 matches, 68 properties, 0.34186625480651855s to parse
Match 'mouse:usb:v046dpc51b:name:Logitech USB Receiver:' is duplicated
hwdb/70-pointingstick.hwdb: 5 match groups, 14 matches, 7 properties, 0.06518816947937012s to parse
hwdb/70-touchpad.hwdb: 3 match groups, 5 matches, 3 properties, 0.039690494537353516s to parse
Subsequest commits will clean those issues up.
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This way it's clear that the property block does not end at the comment.
The python checker will complain if this is not the case.
We had a few bugs before where two match blocks were merged by mistake,
and this change should help avoid that.
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Copy-paste error, correct IDs from the kernel's drivers/input/mouse/bcm5974.c
Fixes: https://github.com/systemd/systemd/pull/3906/
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Unfortunately, due to the disagreements in the kernel development community,
CPU controller cgroup v2 support has not been merged and enabling it requires
applying two small out-of-tree kernel patches. The situation is explained in
the following documentation.
https://git.kernel.org/cgit/linux/kernel/git/tj/cgroup.git/tree/Documentation/cgroup-v2-cpu.txt?h=cgroup-v2-cpu
While it isn't clear what will happen with CPU controller cgroup v2 support,
there are critical features which are possible only on cgroup v2 such as
buffered write control making cgroup v2 essential for a lot of workloads. This
commit implements systemd CPU controller support on the unified hierarchy so
that users who choose to deploy CPU controller cgroup v2 support can easily
take advantage of it.
On the unified hierarchy, "cpu.weight" knob replaces "cpu.shares" and "cpu.max"
replaces "cpu.cfs_period_us" and "cpu.cfs_quota_us". [Startup]CPUWeight config
options are added with the usual compat translation. CPU quota settings remain
unchanged and apply to both legacy and unified hierarchies.
v2: - Error in man page corrected.
- CPU config application in cgroup_context_apply() refactored.
- CPU accounting now works on unified hierarchy.
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since link_dirty itself calls manager_dirty no need to
call it separately .
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Fix man links
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sd_journal-query_enumerate was an early draft, the name was changed
to sd_j_enumerate_fields.
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When client requests to get logs with `follow` and `KEY=match` that
doesn't match any log entry, journal-gatewayd segfaulted.
Make request_reader_entries to return zero in such case to wait for
matching entries.
This fixes https://github.com/systemd/systemd/issues/3873.
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Serve journals in the specified directory instead of default journals.
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Asan fixes
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Fixed (master) versions of libtool pass -fsanitize=address correctly
into CFLAGS and LDFLAGS allowing ASAN to be used without any special
configure tricks..however ASAN triggers in lookup3.c for the same
reasons valgrind does. take the alternative codepath if
__SANITIZE_ADDRESS__ is defined as well.
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It was meant to write to q instead of t
FAIL: test-id128
================
=================================================================
==125770==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffd4615bd31 at pc 0x7a2f41b1bf33 bp 0x7ffd4615b750 sp 0x7ffd4615b748
WRITE of size 1 at 0x7ffd4615bd31 thread T0
#0 0x7a2f41b1bf32 in id128_to_uuid_string src/libsystemd/sd-id128/id128-util.c:42
#1 0x401f73 in main src/test/test-id128.c:147
#2 0x7a2f41336341 in __libc_start_main (/lib64/libc.so.6+0x20341)
#3 0x401129 in _start (/home/crrodriguez/scm/systemd/.libs/test-id128+0x401129)
Address 0x7ffd4615bd31 is located in stack of thread T0 at offset 1409 in frame
#0 0x401205 in main src/test/test-id128.c:37
This frame has 23 object(s):
[32, 40) 'b'
[96, 112) 'id'
[160, 176) 'id2'
[224, 240) 'a'
[288, 304) 'b'
[352, 368) 'a'
[416, 432) 'b'
[480, 496) 'a'
[544, 560) 'b'
[608, 624) 'a'
[672, 688) 'b'
[736, 752) 'a'
[800, 816) 'b'
[864, 880) 'a'
[928, 944) 'b'
[992, 1008) 'a'
[1056, 1072) 'b'
[1120, 1136) 'a'
[1184, 1200) 'b'
[1248, 1264) 'a'
[1312, 1328) 'b'
[1376, 1409) 't' <== Memory access at offset 1409 overflows this variable
[1472, 1509) 'q'
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow src/libsystemd/sd-id128/id128-util.c:42 in id128_to_uuid_string
Shadow bytes around the buggy address:
0x100028c23750: f2 f2 00 00 f4 f4 f2 f2 f2 f2 00 00 f4 f4 f2 f2
0x100028c23760: f2 f2 00 00 f4 f4 f2 f2 f2 f2 00 00 f4 f4 f2 f2
0x100028c23770: f2 f2 00 00 f4 f4 f2 f2 f2 f2 00 00 f4 f4 f2 f2
0x100028c23780: f2 f2 00 00 f4 f4 f2 f2 f2 f2 00 00 f4 f4 f2 f2
0x100028c23790: f2 f2 00 00 f4 f4 f2 f2 f2 f2 00 00 f4 f4 f2 f2
=>0x100028c237a0: f2 f2 00 00 00 00[01]f4 f4 f4 f2 f2 f2 f2 00 00
0x100028c237b0: 00 00 05 f4 f4 f4 00 00 00 00 00 00 00 00 00 00
0x100028c237c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100028c237d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100028c237e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x100028c237f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==125770==ABORTING
FAIL test-id128 (exit status: 1)
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ASAN is unable to handle it.
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beef up /var/tmp and /tmp handling; set $SERVICE_RESULT/$EXIT_CODE/$EXIT_STATUS on ExecStop= and make sure root/nobody are always resolvable
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fixes #3881
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Fix 3607
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Without the address the message is not very useful.
Aug 04 23:52:21 rawhide systemd[1]: testlimit.socket: Too many incoming connections (4) from source ::1, dropping connection.
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This fixes an issue during reexec — the count of connections would be lost:
[zbyszek@fedora-rawhide ~]$ systemctl status testlimit.socket | grep Connected
Accepted: 1; Connected: 1
[zbyszek@fedora-rawhide ~]$ sudo systemctl daemon-reexec
[zbyszek@fedora-rawhide ~]$ systemctl status testlimit.socket | grep Connected
Accepted: 1; Connected: 0
With the patch, Connected count is preserved.
Also add "Accept Socket" to the dump output for services.
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Make functions and definitions that don't need to be shared local to
socket.c.
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util-lib: unify parsing of nice level values
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This adds parse_nice() that parses a nice level and ensures it is in the right
range, via a new nice_is_valid() helper. It then ports over a number of users
to this.
No functional changes.
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Fixes #3890.
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The intention is to clamp the value to READ_FULL_BYTES_MAX, which
would be the minimum of the two.
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