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`github.event.issue.pull_request` is an object, not a boolean.
This is the root cause of why the step that is supposed to remove labels
is always skipped. Having this condition in place is not necessary since
the workflow is run on the `pull_request_target` event.
Previously, we reported:
nx.example.org: resolve call failed: 'nx.example.org' not found
But the call did succeed, and in fact all communication with the upstream
servers was successful, and we got an authoritative negative answer.
So instead of saying that the call fail, just say that the host doesn't exist:
nx.example.org: Name 'nx.example.org' not found
I wanted to keep the prefix of "<name>: ", to keep the output uniform. But
it'd look a bit strange to say "<name>: <name> not found", so I added "Name "
to make the output more readable. (Another option would be to not display
the error string received from resolved, but that seems risky: even if right
now resolved uses just one message format, it could start doing something else
in the future, so it's better to display the error as received.)
Fixes#26233.
This result is identical after cpp is done, so we don't save anything
by not having the usual macros. And with the usual macros it's easier to
grep and code-crossreferencing works better.
Our logging uses program_invocation_short_name. Without this patch,
logs from forked client may become broken; spuriously truncated or
the short invocation name is not completely shown in the log.
This will warn if fake flexible arrays are re-introduced. I'm not using
-Werror=… because we may still get warnings when compiling against old kernel
headers. We can crank this up to error later.
-fstrict-flex-arrays means that the compiler doesn't have to assume that any
trailing array is a flex array. I.e. unless the array is declared without a
specified size, only indices in the declared range are valid.
-Warray-bounds turns on the warnings about out-of-bounds array accesses.
-Warray-bounds=2 does some more warnings, with higher false positive rate. But
it doesn't seem to yield any false positives in our codebase, so enable it.
clang supports -Warray-bounds, but not -Warray-bounds=2.
gcc supports both.
gcc-13 supports -fstrict-flex-arrays.
See https://people.kernel.org/kees/bounded-flexible-arrays-in-c for a long
discussion of use in the kernel.
I tried to use DECLARE_FLEX_ARRAY like the kernel does, but it does not work
for anonymous structs (they cannot be declared inline), so an open-coded
version is used.
[2/3] Compiling C object systemd-repart.p/src_partition_repart.c.o
../src/partition/repart.c: In function ‘context_open_copy_block_paths’:
../src/partition/repart.c:5194:41: warning: ‘devno’ may be used uninitialized [-Wmaybe-uninitialized]
5194 | source_fd = r = device_open_from_devnum(S_IFBLK, devno, O_RDONLY|O_CLOEXEC|O_NONBLOCK, &opened);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/partition/repart.c:5188:31: note: ‘devno’ was declared here
5188 | dev_t devno;
| ^~~~~
This is with gcc-13.0.1-0.2.fc38.x86_64, -O2. I'm pretty sure the code
is correct. I also tried adding some asserts where errno is used for the return
value, but that didn't help. I think resolve_copy_blocks_auto() is just too long
for gcc to understand.
The kernel was updated to not use fake flex arrays with zero size.
Updating should allow -fstrict-flex-arrays to be used.
Headers pulled from kernel-headers-6.2.0-0.rc6.git0.1.fc38.x86_64.
Note that this is not a straighforward copy: our files have local modifications
(listed in README) that need to be preserved.
(The one case that is left unchanged is '< <(subcommand)'.)
This way, the style with no gap was already dominant. This way, the reader
immediately knows that ' < ' is a comparison operator and ' << ' is a shift.
In a few cases, replace custom EOF replacement by just EOF. There is no point
in using someting like "_EOL" unless "EOF" appears in the text.
Due to the limitation of `GITHUB_TOKEN` when running workflows from forks,
it's required to split the `development_freeze` workflow in two.
* First workflow will run on the `pull_request` trigger and save the PR
number in the artifact. This workflow is running with read-only permissions
on `GITHUB_TOKEN`.
* Second workflow will get triggered on `workflow_run`. It will be run
directly in the `systemd/systemd` context and can get permission to be
able to create comments on PR.
GITHUB_TOKEN limitations:
* https://docs.github.com/en/actions/security-guides/automatic-token-authentication#permissions-for-the-github_token
GitHub Security Labs Article - How to correctly and safely overcome GITHUB_TOKEN limitations:
* https://securitylab.github.com/research/github-actions-preventing-pwn-requests/
Follow-up for 64f3419ec1.
If the input timestamp is too old (say, 1min since 1970-01-01), then
parse_timestamp() may fail on a timezone with positive shift e.g.
JST (UTC+9). Moreover, even if parse_timestamp() succeeds, its result
'y' and 'usec_sub_unsigned(x, 2 * USEC_PER_DAY)' are both zero, and
the assertion will be triggered.
Fixes#26172.
