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This corresponds nicely with the specifiers we already pass for
/var/lib, /var/cache, /run and so on.
This is particular useful to update the test-path service files to
operate without guessable files, thus allowing multiple parallel
test-path invocations to pass without issues (the idea is to set $TMPDIR
early on in the test to some private directory, and then only use the
new %T or %V specifier to refer to it).
Test the "[Bridge]" section keys
```
[Bridge]
UnicastFlood=true
HairPin=true
UseBPDU=true
FastLeave=true
AllowPortToBeRoot=true
Cost=555
Priority=23
```
```
test_bridge_init (__main__.BridgeTest) ... ok
test_bridge_port_priority (__main__.BridgeTest) ... ok
test_bridge_port_priority_set_zero (__main__.BridgeTest)
It should be possible to set the bridge port priority to 0 ... ok
test_bridge_port_property (__main__.BridgeTest)
Test the "[Bridge]" section keys ... ok
```
Yes, the output is sometimes annyoing, but /dev/null is not the right
place...
I figure this redirection was left in from some debugging session, let's
fix it, and make the setup_basic_environment invocation like in all
other test scripts.
Nested KVM is very flaky as we learnt from our CI. Hence, let's avoid
KVM whenever we detect we are already running inside of KVM.
Maybe one day nested KVM is fixed, at which point we can turn this on
again, but for now let's simply avoid nested KVM, since reliable CI is
more important than quick CI, I guess.
And yes, avoiding KVM for our qemu runs does make things substantially
slower, but I think it's not a complete loss.
Inspired by @evverx' findings in:
https://github.com/systemd/systemd/pull/8701#issuecomment-380213302
To indicate that the there're no more entries, these wrappers return false but
did leave the passed pointed unmodified.
However EOF is not an error and is a very common case so initialize the output
argument to NULL even in this case so callers don't need to do that.
Fixes: #8721
We go through the whole file system, so this test can take arbitrary time. But
this test is still quite useful, so let's at least try to make it more efficent
by not descending at all into the directories we would filter out later on
anyway.
Also increase the timeout, in case the previous step doesn't help enough.
Absolute paths make everything simple and quick, but sometimes this requirement
can be annoying. A good example is calling 'test', which will be located in
/usr/bin/ or /bin depending on the distro. The need the provide the full path
makes it harder a portable unit file in such cases.
This patch uses a fixed search path (DEFAULT_PATH which was already used as the
default value of $PATH), and if a non-absolute file name is found, it is
immediately resolved to a full path using this search path when the unit is
loaded. After that, everything behaves as if an absolute path was specified. In
particular, the executable must exist when the unit is loaded.
Files which are installed as-is (any .service and other unit files, .conf
files, .policy files, etc), are left as is. My assumption is that SPDX
identifiers are not yet that well known, so it's better to retain the
extended header to avoid any doubt.
I also kept any copyright lines. We can probably remove them, but it'd nice to
obtain explicit acks from all involved authors before doing that.
This makes the script wait for the newly created partition to
show up before trying to put a filesystem on it, which should
prevent the tests from failing with the following error:
```
New situation:
Disklabel type: dos
Disk identifier: 0x3541a0ec
Device Boot Start End Sectors Size Id Type
/dev/loop6p1 2048 800767 798720 390M 83 Linux
/dev/loop6p2 800768 819199 18432 9M 83 Linux
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
The file /dev/loop6p1 does not exist and no size was specified.
make: *** [setup] Error 1
F: Failed to mkfs -t ext4
Makefile:4: recipe for target 'setup' failed
```
ubsan times out because we do too many allocations:
$ valgrind build/fuzz-unit-file test/fuzz-regressions/fuzz-unit-file/oss-fuzz-6977-full
...
test/fuzz-regressions/fuzz-unit-file/oss-fuzz-6977-full... ok
==1757==
==1757== HEAP SUMMARY:
==1757== in use at exit: 0 bytes in 0 blocks
==1757== total heap usage: 199,997 allocs, 199,997 frees, 90,045,318,585 bytes allocated
...
==3256== total heap usage: 100,120 allocs, 100,120 frees, 13,097,140 bytes allocated
https://oss-fuzz.com/v2/issue/4651449704251392/6977 should now be really fixed.
e3c3d6761b was the first attempt, but even with this change, e3c3d6761b
still makes sense.
With this "sudo ./run-integration-tests.sh" should work fully without
exception, even on systems lacking SELinux (in which case that test will
just be skipped)
It's always visible:
$ sudo modprobe sit
$ sudo unshare -n ip l
1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN mode DEFAULT group default qlen 1000
...
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN mode DEFAULT group default qlen 1000
...
grep already indicates if it matched anything by return value.
Additional advantage is then that if the test fails, the unexpected
matching lines are visible in the log output.
No need to go through the specifier_printf() if the path is already too long in
the unexpanded form (since specifiers increase the length of the string in all
practical cases).
In the oss-fuzz test case, valgrind reports:
total heap usage: 179,044 allocs, 179,044 frees, 72,687,755,703 bytes allocated
and the original config file is ~500kb. This isn't really a security issue,
since the config file has to be trusted any way, but just a matter of
preventing accidental resource exhaustion.
https://oss-fuzz.com/v2/issue/4651449704251392/6977
While at it, fix order of arguments in the neighbouring log_syntax() call.
msan doesn't understand sscanf with %ms, so it falsely reports unitialized
memory. Using sscanf with %ms is quite convenient in
socket_address_parse_netlink(), so let's just not run the fuzzer for
ListenNetlink= at all for now. If msan is fixed, we can remove this.
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6884
The orignal reproducer from oss-fuzz depends on the hostname (via %H and %c).
The hostname needs a dash for msan to report this, so a simpler case from
@evverx with the dash hardcoded is also added.
The issue is a false positive from msan, which does not instruct stpncpy
(https://github.com/google/sanitizers/issues/926). Let's add a work-around
until this is fixed.
We have only three bits of space, i.e. 8 possible classes. Immediately reject
anything outside of that range. Add the fuzzer test case and an additional
unit test.
oss-fuzz #6908.
We probably should allow very deep calls of our recursive functions. Let's add
a limit to avoid resource exhaustion. 240 is 10 per hour (if somebody is using
this for time based triggers...), so it should be more than enough for most use
cases, and is conveniently below the 250 stack limit in msan.
oss-fuzz #6917.
Also fix one case where the presence of a newline was used to generate
an invalid environment assignment.
Tested: with mkosi, which builds the local tree and run ninja tests.
gmtime_r() will return NULL in that case, and we would crash.
I committed the reproducer case in fuzz-regressions/, even though we don't have
ubsan hooked up yet. Let's add it anyway in case it is useful in the future. We
actually crash anyway when compiled with asserts, so this can be easily
reproduced without ubsan.
oss-fuzz #6886.
