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if we parse an xattr line that has no valid assignment, we might end up
with an empty ->xattr list. Don't hit assert on that, just go on.
Fixes: #15610
Let's allow more memory to be locked on beefy machines than on small
ones. The previous limit of 64M is the lower bound still. This
effectively means on a 4GB machine we can lock 512M, which should be
more than enough, but still not lock up the machine entirely under
pressure.
Fixes: #15053
WSL2 will soon (TM) include the "WSL2" string in /proc/sys/kernel/osrelease
so the workaround will no longer be necessary.
We have several different cloud images which do include the "microsoft"
string already, which would break this detection. They are for internal
usage at the moment, but the userspace side can come from all over the
place so it would be quite hard to track and downstream-patch to avoid
breakages.
This reverts commit a2f838d590.
By using a newline after executable( and run_target(, we get less
indentation and the indentation level does not change when the returned
object is saved to a variable.
On my laptop (Lenovo X1carbo 4th) I very occasionally see test-boot-timestamps
fail with this tb:
262/494 test-boot-timestamps FAIL 0.7348453998565674 s (killed by signal 6 SIGABRT)
08:12:48 SYSTEMD_LANGUAGE_FALLBACK_MAP='/home/zbyszek/src/systemd/src/locale/language-fallback-map' SYSTEMD_KBD_MODEL_MAP='/home/zbyszek/src/systemd/src/locale/kbd-model-map' PATH='/home/zbyszek/src/systemd/build:/home/zbyszek/.local/bin:/usr/lib64/qt-3.3/bin:/usr/share/Modules/bin:/usr/condabin:/usr/lib64/ccache:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/home/zbyszek/bin:/var/lib/snapd/snap/bin' /home/zbyszek/src/systemd/build/test-boot-timestamps
--- stderr ---
Failed to read $container of PID 1, ignoring: Permission denied
Found container virtualization none.
Failed to get SystemdOptions EFI variable, ignoring: Interrupted system call
Failed to read ACPI FPDT: Permission denied
Failed to read LoaderTimeInitUSec: Interrupted system call
Failed to read EFI loader data: Interrupted system call
Assertion 'q >= 0' failed at src/test/test-boot-timestamps.c:84, function main(). Aborting.
Normally it takes ~0.02s, but here there's a slowdown to 0.73 and things fail with EINTR.
This happens only occasionally, and I haven't been able to capture a strace.
It would be to ignore that case in test-boot-timestamps or always translate
EINTR to -ENODATA. Nevertheless, I think it's better to retry, since this gives
as more resilient behaviour and avoids a transient failure.
See
https://github.com/torvalds/linux/blob/master/fs/efivarfs/file.c#L75
and
bef3efbeb8.
The "preset" column introduced in
b01c1f305c breaks zsh completion for
systemctl disable/enable. Fix by ignoring everything after the last
space in a line.
Don't assume that 4MB can be allocated from stack since there could be smaller
DefaultLimitSTACK= in force, so let's use malloc(). NUL terminate the huge
strings by hand, also ensure termination in test_lz4_decompress_partial() and
optimize the memset() for the string.
Some items in /proc and /etc may not be accessible to poor unprivileged users
due to e.g. SELinux, BOFH or both, so check for EACCES and EPERM.
/var/tmp may be a symlink to /tmp and then path_compare() will always fail, so
let's stick to /tmp like elsewhere.
/tmp may be mounted with noexec option and then trying to execute scripts from
there would fail.
Detect and warn if seccomp is already in use, which could make seccomp test
fail if the syscalls are already blocked.
Unset $TMPDIR so it will not break specifier tests where %T is assumed to be
/tmp and %V /var/tmp.
It's not always mounted, e.g. during the build-time tests, it's running inside
a chroot (that's how Debian/Ubuntu build packages, in chroots) so this test
always fails because /sys/fs/cgroup isn't mounted.
When nothing at all is mounted at /sys/fs/cgroup, the fs.f_type is
SYSFS_MAGIC (0x62656572) which results in the confusing debug log:
"Unknown filesystem type 62656572 mounted on /sys/fs/cgroup."
Instead, if the f_type is SYSFS_MAGIC, a more accurate message is:
"No filesystem is currently mounted on /sys/fs/cgroup."
Split out of #15457, let's see if this is the culprit of the CI failure.
(also setting green label here, since @keszybz already greenlit it in that other PR)
The submit phase of the Fuzzit Travis job has been spuriously failing
for some time with various (and usually pretty hidden) errors, like:
```
./fuzzit create job --type regression ...
2020/04/23 17:02:12 please set env variable FUZZIT_API_KEY or pass --api-key. API Key for you account: ...
```
```
./fuzzit create job --type regression ...
2020/04/23 11:36:53 Creating job...
2020/04/23 11:36:54 Uploading fuzzer...
2020/04/23 11:36:54 Job created successfully
2020/04/23 11:36:54 Get https://...&action=create: read tcp x.x.x.x:39674->x.x.x.x:443: read: connection reset by peer
```
```
./fuzzit create job --type regression ...
2020/04/22 18:09:15 Creating job...
2020/04/22 18:09:16 Uploading fuzzer...
2020/04/22 18:09:37 Job created successfully
2020/04/22 18:09:37 500 Internal Server Error
```
etc.
Let's retry each submit job up to three times to (hopefully) mitigate this.
It turns out that our man page didn't describe the handling of single-label
names almost at all. This probably adds to the confusion regarding the subject.
So let's first describe what our current implementation is doing.
Quoting https://www.iab.org/documents/correspondence-reports-documents/2013-2/iab-statement-dotless-domains-considered-harmful/:
> Applications and platforms that apply a suffix search list to a single-label
> name are in conformance with IETF standards track RFCs. Furthermore,
> applications and platforms that do not query DNS for a TLD are in conformance
> with IETF standards track recommendations
Current behaviour is in line with that recommendation.
For #13763.
