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PiperOrigin-RevId: 265535438
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The flake had the call to futex_unlock_pi() returning EINVAL with the
FUTEX_OWNER_DIED set. In this case, userspace has to clean up stale
state. So instead of calling FUTEX_UNLOCK_PI outright, we'll use the
advised atomic compare_exchange as advised in the man page.
PiperOrigin-RevId: 265163920
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In cl/264434674 and cl/264498919, we stop running test cases
in parallel to not overload test hosts. But now tests requires
more time to run, so we need to increase a default number of
shards or a default test timeout. Let's start with increasing
the number of shards and see how it will works.
PiperOrigin-RevId: 264917055
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The gunit macros are not safe to use in the child.
PiperOrigin-RevId: 264904348
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This fixes the issue of not being able to bind to either a multicast or
broadcast address as well as to send and receive data from it. The way to solve
this is to treat these addresses similar to the ANY address and register their
transport endpoint ID with the global stack's demuxer rather than the NIC's.
That way there is no need to require an endpoint with that multicast or
broadcast address. The stack's demuxer is in fact the only correct one to use,
because neither broadcast- nor multicast-bound sockets care which NIC a
packet was received on (for multicast a join is still needed to receive packets
on a NIC).
I also took the liberty of refactoring udp_test.go to consolidate a lot of
duplicate code and make it easier to create repetitive tests that test the same
feature for a variety of packet and socket types. For this purpose I created a
"flowType" that represents two things: 1) the type of packet being sent or
received and 2) the type of socket used for the test. E.g., a "multicastV4in6"
flow represents a V4-mapped multicast packet run through a V6-dual socket.
This allows writing significantly simpler tests. A nice example is testTTL().
PiperOrigin-RevId: 264766909
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test/syscalls/linux/proc_net_tcp.cc:252: Failure
Value of: connect(client->get(), &addr, addrlen)
Expected: not -1 (success)
Actual: -1 (of type int), with errno PosixError(errno=4 Interrupted system call)
PiperOrigin-RevId: 264743815
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goroutine 5 [running]:
os/signal.process(0x10e21c0, 0xc00050c280)
third_party/go/gc/src/os/signal/signal.go:227 +0x164
os/signal.loop()
third_party/go/gc/src/os/signal/signal_unix.go:23 +0x3e
created by os/signal.init.0
third_party/go/gc/src/os/signal/signal_unix.go:29 +0x41
PiperOrigin-RevId: 264518530
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We need real sharding, and will let Bazel handle the
parallelization. That is coming soon. Until then, remove
this call to t.Parallel() so that we can run the tests without
eating all CPU.
PiperOrigin-RevId: 264498919
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PiperOrigin-RevId: 264494359
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The test is long running (175128 ms or so) which causes timeouts.
The test simply makes sure that private futexes can acquire
locks concurrently. Dropping current threads and increasing the
number of locks each thread tests the same concurrency concerns
but drops execution time to ~1411 ms.
PiperOrigin-RevId: 264476144
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bazel runs a few instances of syscall_test_runner in parallel
and then syscall_test_runner runs test cases in parallel. It might
be a reason why we see that test hosts are overloaded and sandboxes
start slowly. It should be better to control how many tests are
running in parallel from one place, so let's try to disable this
feature in syscall_test_runner.
PiperOrigin-RevId: 264434674
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PiperOrigin-RevId: 264180125
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Linux allows to call connect for ANY and the zero port.
PiperOrigin-RevId: 263892534
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PiperOrigin-RevId: 263666789
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SendMsg before this change would copy all the data over into a
new slice even if the underlying socket could only accept a
small amount of data. This is really inefficient with non-blocking
sockets and under high throughput where large writes could get
ErrWouldBlock or if there was say a timeout associated with the sendmsg()
syscall.
With this change we delay copying bytes in till they are needed and only
copy what can be potentially sent/held in the socket buffer. Reducing
the need to repeatedly copy data over.
Also a minor fix to change state FIN-WAIT-1 when shutdown(..., SHUT_WR) is called
instead of when we transmit the actual FIN. Otherwise the socket could remain in
CONNECTED state even though the user has called shutdown() on the socket.
Updates #627
PiperOrigin-RevId: 263430505
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PiperOrigin-RevId: 263184083
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The new version has a change in behavior when using a custom platform:
* Old behavior: rules that don't require a toolchain used host_platform, no
matter what execution platforms are specified.
* New behavior: rules that don't require a toolchain use standard platform
resolution that starts with execution platforms.
As part of this change, we cannot use the "extra_exectution_platforms" flag
provided by the default bazelrc. I got rid of the default bazelrc file, and
made our custom .bazelrc as minimal as possible.
PiperOrigin-RevId: 263176802
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PiperOrigin-RevId: 263040624
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Now if a process sends an unsupported netlink requests,
an error is returned from the send system call.
The linux kernel works differently in this case. It returns errors in the
nlmsgerr netlink message.
Reported-by: syzbot+571d99510c6f935202da@syzkaller.appspotmail.com
PiperOrigin-RevId: 262690453
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Using the path_test.go file built by the Golang
devs as a base, tests have been created to verify
the functionality of common.Search().
A mock file system is created and fake test files
are generated to see if they get picked up by
common.Search().
Also included in this CL is a bug fix for
proctor-nodejs that was discovered using this test.
proctor-nodejs used to allow multiple "-" in its
test name filter. The regex has been updated to
prevent this.
PiperOrigin-RevId: 262647263
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This can happen because endpoint.Close() closes the accept channel first and
then drains/resets any accepted but not delivered connections. But there can be
connections that are connected but not delivered to the channel as the channel
was full. But closing the channel can cause these writes to fail with a write to
a closed channel.
The correct solution is to abort any connections in SYN-RCVD state and
drain/abort all completed connections before closing the accept channel.
PiperOrigin-RevId: 261951132
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If there is an offset, the file must support pread/pwrite. See
fs/splice.c:do_splice.
PiperOrigin-RevId: 261944932
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After the refactoring of the proctor binaries, the Dockerfiles for each
language must be altered to copy the common folder into their image.
Additionally, Java has been changed to use the pre-built version of
JDK-11 from Ubuntu, instead of building it from the source. This allows
for a smaller image and faster test execution within the container.
PiperOrigin-RevId: 261805158
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This change adds functionality for running more languages using
the runtimes test suite. It divides the languages into separate
test functions, which each call the helper testLang function in the
runtimes_test.go file. This allows them to be run individually
or as a group.
PiperOrigin-RevId: 261791935
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(Don't worry, this is mostly tests.)
Implemented the following ioctls:
- TIOCSCTTY - set controlling TTY
- TIOCNOTTY - remove controlling tty, maybe signal some other processes
- TIOCGPGRP - get foreground process group. Also enables tcgetpgrp().
- TIOCSPGRP - set foreground process group. Also enabled tcsetpgrp().
Next steps are to actually turn terminal-generated control characters (e.g. C^c)
into signals to the proper process groups, and to send SIGTTOU and SIGTTIN when
appropriate.
PiperOrigin-RevId: 261387276
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PiperOrigin-RevId: 261373749
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This change removes the filepath.Walk() function from
proctor- go, php, and nodejs. The filepath.Walk() is
now defined in common.go in Search(). Each proctor binary
passes root directory and testFilter arguments to Search().
proctor-python.go no longer uses filepath.Walk() to search
for tests. There is a built-in list test function within
python's language test suite so that is being used instead.
PiperOrigin-RevId: 261242897
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Export some readily-available fields for TCP_INFO and stub out the rest.
PiperOrigin-RevId: 261191548
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Implements support for RTM_GETROUTE requests for netlink sockets.
Fixes #507
PiperOrigin-RevId: 261051045
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proctor-go had a bug where it would incorrectly identify
a tool test as a disk test. Instead of searching for the
test on disk as the identification method, we now check if
the test name ends in ".go". If the test ends in ".go" it
is run as a disk test, otherwise the test is run as a tool test.
Python tests need to be run from within the directory they exist.
Functionality to split the test name from it's parent directory
has been added and a cmd.Dir argument has been set.
PiperOrigin-RevId: 261021693
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Shared code among proctor-*.go files has been refactored
into common/common.go. The common package is imported in
each proctor binary and a struct is created to implement
the testRunner interface defined in common.go. This allows
for the proctor binaries to be updated without having to
copy/paste the same code across all files. There are no
usage or functionality changes.
PiperOrigin-RevId: 260967080
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The checksum was not being reset before being re-calculated and sent out.
This caused the sent checksum to always be `0x0800`.
Fixes #605.
PiperOrigin-RevId: 260965059
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This doesn't currently pass on gVisor.
While I'm here, fix a bug where connecting to the v6-mapped v4 address doesn't
work in gVisor.
PiperOrigin-RevId: 260923961
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This test flaked on my current CL. Linux makes no guarantee
that two inodes will consecutive (overflows happen).
https://github.com/avagin/linux-task-diag/blob/master/fs/inode.c#L880
PiperOrigin-RevId: 260608240
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PiperOrigin-RevId: 260577765
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Unfortunately, Linux's ip_tables.h header doesn't compile in C++ because it
implicitly converts from void* to struct xt_entry_target*. C allows this, but
C++ does not. So we have to re-implement many types ourselves.
Relevant code here:
https://github.com/torvalds/linux/blob/master/include/uapi/linux/netfilter_ipv4/ip_tables.h#L222
PiperOrigin-RevId: 260565570
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PiperOrigin-RevId: 260047477
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This fixes a bug introduced in cl/251934850 that caused
connect-accept-close-connect races to result in the second connect call
failiing when it should have succeeded.
PiperOrigin-RevId: 259584525
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PiperOrigin-RevId: 258996346
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This tweaks the handling code for IP_MULTICAST_IF to ignore the InterfaceAddr
if a NICID is given.
PiperOrigin-RevId: 258982541
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PiperOrigin-RevId: 258859507
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tcpdump creates these.
PiperOrigin-RevId: 258611829
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PiperOrigin-RevId: 258607547
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We were invalidating the wrong overlayEntry in rename and missing invalidation
in rename and remove if lower exists.
PiperOrigin-RevId: 258604685
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PiperOrigin-RevId: 258424489
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C++ does not like vectors of arrays (because arrays are not copy-constructable).
PiperOrigin-RevId: 258270980
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It is now correctly initialized to the top of the signal stack.
Previously it was initialized to the address of 'stack.ss_sp' on
the main thread stack.
PiperOrigin-RevId: 258248363
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iptables also relies on IPPROTO_RAW in a way. It opens such a socket to
manipulate the kernel's tables, but it doesn't actually use any of the
functionality. Blegh.
PiperOrigin-RevId: 257903078
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Change-Id: I8307bfb390a56424aaa651285a218aad277c4aed
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