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This changes the ProtectSystem= documentation to refer in more explicit
words to the restrictions of ReadOnlyPath=, as sugegsted in #9857.
THis also extends the paragraph in ReadOnlyPath= that explains the hole.
Fixes: #9857
In the documentation for ConditionXYZ= we claimed that AssertXYZ= would
have an effect on unit state (which is wrong), while at the
documentation for AssertXYZ= we said it only has an effect on the job,
but not the unit (which is right). Let's fix this contradiction, and
only claim the latter.
Also, fix a couple of other things (for example, stop talking about a
"failure state", but let's just expressly called it "the 'failed' state",
as that's the actual name of that state.
Finally, let's emphasize again when the conditions/assertions are
executed, and that they hence are not useful to conditionalize deps.
Fixes: #10433
If unit_deserialize() fails (because one read line is overly long), it returns
an error and we would have assumed that the next read would point to the next
unit to deserialize.
But instead unit_deserialize() can leave the file offset in the middle of a
line.
Therefore we need to ignore and skip the current unit in this case too.
While at it, move unit deserialization in a dedicated functions. That should
make the code easier to read.
With lz4 1.8.3, this function can now decompress partial results into a smaller
buffer. The release news don't say anything interesting, but the test case that
was previously failing now works OK.
Fixes#10259.
A test is added. It shows that with *older* lz4, a partial decompression can
occur with the returned size smaller then the requested number of bytes _and_
smaller then the size of the compressed data:
(lz4-libs-1.8.2-1.fc29.x86_64)
Compressed 4194304 → 16464
Decompressed → 4194304
Decompressed partial 12/4194304 → 4194304
Decompressed partial 1/1 → -2 (bad)
Decompressed partial 2/2 → -2 (bad)
Decompressed partial 3/3 → -2 (bad)
Decompressed partial 4/4 → -2 (bad)
Decompressed partial 5/5 → -2 (bad)
Decompressed partial 6/6 → 6 (good)
Decompressed partial 7/7 → 6 (good)
Decompressed partial 8/8 → 6 (good)
Decompressed partial 9/9 → 6 (good)
Decompressed partial 10/10 → 6 (good)
Decompressed partial 11/11 → 6 (good)
Decompressed partial 12/12 → 6 (good)
Decompressed partial 13/13 → 6 (good)
Decompressed partial 14/14 → 6 (good)
Decompressed partial 15/15 → 6 (good)
Decompressed partial 16/16 → 6 (good)
Decompressed partial 17/17 → 6 (good)
Decompressed partial 18/18 → -16459 (bad)
(lz4-libs-1.8.3-1.fc29.x86_64)
Compressed 4194304 → 16464
Decompressed → 4194304
Decompressed partial 12/4194304 → 12
Decompressed partial 1/1 → 1 (good)
Decompressed partial 2/2 → 2 (good)
Decompressed partial 3/3 → 3 (good)
Decompressed partial 4/4 → 4 (good)
...
If we got such a short "successful" decompression in decompress_startswith() as
implemented before this patch, we could be confused and return a false negative
result. But it turns out that this only occurs with small output buffer
sizes. We use greedy_realloc() to manager the buffer, so it is always at least
64 bytes. I couldn't hit a case where decompress_startswith() would actually
return a bogus result. But since the lack of proof is not conclusive, the code
for *older* lz4 is changed too, just to be safe. We cannot rule out that on a
different architecture or with some unlucky compressed string we could hit this
corner case.
The fallback code is guarded by a version check. The check uses a function not
the compile-time define, because there was no soversion bump in lz4 or new
symbols, and we could be compiled against a newer lz4 and linked at runtime
with an older one. (This happens routinely e.g. when somebody upgrades a subset
of distro packages.)
HP laptops and desktop containing the lis3lv02d device (as supported by
the drivers/platform/x86/hp_accel.c driver) are supposed to output their
values according to their "standard" orientation, one that
corresponds to "can play neverball".
For all those devices, we need to convert that "neverball" orientation
to a "Windows 8" orientation. We will not accept quirks for HP machines
that use the lis3lv02d device, they should go in the hp_accel.c driver
instead.
Closes: #5160
I thought this might fail with lz4 < 1.8.3, but it seems that because of
greedy_realloc, we always use a buffer that is large enough, and it always
passes.
For example, <luks.uuid>=/keyfile:LABEL="KEYFILE FS" previously wouldn't
work, because we truncated label at the first whitespace character,
i.e. LABEL="KEYFILE".
lz4-r130 was released on May 29th, 2015. Let's drop the work-around for older
versions. In particular, we won't test any new code against those ancient
releases, so we shouldn't pretend they are supported.
I went through my antique collection of fuzzers the other day
to see which ones I hadn't sent upstream yet. This one
seems to be nice to have and ready to be merged. As far as I can
tell, it hasn't managed to find anything useful yet,
but it's better to be safe than sorry especially when it comes to networking
code :-)
After curl 7.20.0, this function never returns negative error codes.
Make this consistent with the other call to this function and only
compare against CURLM_OK.
