Age | Commit message (Collapse) | Author |
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Like matchers, targets should use a module-like register/lookup system. This
replaces the brittle switch statements we had before.
The only behavior change is supporing IPT_GET_REVISION_TARGET. This makes it
much easier to add IPv6 redirect in the next change.
Updates #3549.
PiperOrigin-RevId: 334469418
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PiperOrigin-RevId: 334419854
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When the socket is set with SO_LINGER and close()'d in the initial state, it
should not linger and return immediately.
PiperOrigin-RevId: 334263149
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Network or transport protocols may want to reach the stack. Support this
by letting the stack create the protocol instances so it can pass a
reference to itself at protocol creation time.
Note, protocols do not yet use the stack in this CL but later CLs will
make use of the stack from protocols.
PiperOrigin-RevId: 334260210
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Fixes #1479, #317.
PiperOrigin-RevId: 334258052
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Previously, we did not check the kcov mode when performing task work. As a
result, disabling kcov did not do anything.
Also avoid expensive atomic RMW when consuming coverage data. We don't need the
swap if the value is already zero (which is most of the time), and it is ok if
there are slight inconsistencies due to a race between coverage data generation
(incrementing the value) and consumption (reading a nonzero value and writing
zero).
PiperOrigin-RevId: 334049207
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Regarding ThreadCpuTimeArray.java: The test starts 10 threads, each of which
does some computation, then blocks. When all threads are blocked, the test
sleeps for 200ms, then checks that less than 100ns of CPU time in userspace
elapse over the course of the sleep; AFAICT, the 100ns of slop is because a
thread indicates that it's in the WAITING state before it actually blocks, and
because signals can cause threads to be temporarily woken. gVisor's CPU clocks
have a granularity of 10ms (the interval of Kernel.cpuClockTicker is
//pkg/abi/linux.ClockTick), so a single tick pushes the test over the
threshold.
PiperOrigin-RevId: 333830287
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Changes in Nginx Benchmarks in network_tests also affect Startup/Size
Nginx Benchmarks. Make sure the commands line up.
PiperOrigin-RevId: 333543697
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segment_queue today has its own standalone limit of MaxUnprocessedSegments but
this can be a problem in UnlockUser() we do not release the lock till there are
segments to be processed. What can happen is as handleSegments dequeues packets
more keep getting queued and we will never release the lock. This can keep
happening even if the receive buffer is full because nothing can read() till we
release the lock.
Further having a separate limit for pending segments makes it harder to track
memory usage etc. Unifying the limits makes it easier to reason about memory in
use and makes the overall buffer behaviour more consistent.
PiperOrigin-RevId: 333508122
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PiperOrigin-RevId: 333461380
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Mostly simplifies SKIP_IF statements and adds some more documentation.
Also, mknod is now supported by gofer fs, so remove SKIP_IFs related to this.
PiperOrigin-RevId: 333449932
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PiperOrigin-RevId: 333408633
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PiperOrigin-RevId: 333400865
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PiperOrigin-RevId: 332961666
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Calls to recv sometimes fail with EAGAIN, so call select beforehand.
PiperOrigin-RevId: 332943156
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"DefaultValueEqZero" is only valid if the test is in a
sandbox. Our CI VMs often have "/proc/sys/net/ipv4/ip_forward" set
to 1.
PiperOrigin-RevId: 332910859
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PiperOrigin-RevId: 332907453
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`recv` calls with MSG_DONTWAIT can fail with EAGAIN randomly
in tests. Fix this by calling `select` on sockets with a timeout
prior to attempting a `recv`.
PiperOrigin-RevId: 332873735
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PiperOrigin-RevId: 332760843
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Unfortunately, I think TSC misalignment means that we can't really expect any
consistent correspondence between a TSC-based VDSO and the sentry's view of
time on the KVM platform.
PiperOrigin-RevId: 332576147
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PiperOrigin-RevId: 332546659
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Updates #1199
PiperOrigin-RevId: 332539197
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PiperOrigin-RevId: 332521647
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This is more consistent with Linux (see comment on MM.NewSharedAnonMappable()).
We don't do the same thing on VFS1 for reasons documented by the updated
comment.
PiperOrigin-RevId: 332514849
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Updates #3549.
PiperOrigin-RevId: 332501660
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TCP needs to enqueue any send requests arriving when the connection is in
SYN_SENT state. The data should be sent out soon after completion of the
connection handshake.
Fixes #3995
PiperOrigin-RevId: 332482041
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`ip6tables -t filter` is now usable. NAT support will come in a future CL.
#3549
PiperOrigin-RevId: 332381801
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SO_LINGER is a socket level option and should be stored on all endpoints even
though it is used to linger only for TCP endpoints.
PiperOrigin-RevId: 332369252
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Docker does not have IPv6 port forwarding as tracked by the following issue:
https://github.com/moby/moby/issues/11518
So when running bazel itself inside a docker container, we can not use the host
port bindings to communicate with sockets inside the container. This was causing
integration tests and image tests to fail when run through our Makefile targets.
PiperOrigin-RevId: 332355051
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This change includes overlay, special regular gofer files, and hostfs.
Fixes #3589.
PiperOrigin-RevId: 332330860
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PiperOrigin-RevId: 332328860
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PiperOrigin-RevId: 332281930
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PiperOrigin-RevId: 332281912
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PiperOrigin-RevId: 332122081
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There are two device names on the test net.
- The sniffer/injector device which is always a linux device. Only the
testbench library is interested in this device.
- The device which is on the DUT. It happens to be the same device as
the former if DUT is linux. An individual test might be interested in
this device if the test cares about the device name.
PiperOrigin-RevId: 332112968
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PiperOrigin-RevId: 332097286
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Added a README describing what these tests are, how they work and how to run
them locally. Also reorganized the exclude files into a directory.
PiperOrigin-RevId: 332079697
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opendir() is a libc wrapper. Different libc-s can implement it
differently.
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readdir_test.cc:134:24: error: variable length arrays are a C99 feature [-Werror,-Wvla-extension]
char readdir_payload[readdir_payload_size];
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test/fuse/benchmark/read_benchmark.cc:34: Failure
Expected: (fuse_prefix) != (nullptr), actual: NULL vs (nullptr)
external/com_google_benchmark/src/benchmark_runner.cc:120: RunInThread:
Check `st.iterations() >= st.max_iterations' failed. Benchmark returned
before State::KeepRunning() returned false!
--- FAIL: Benchmarks_BM_Read/262144/real_time (0.29s)
runner.go:502: test "Benchmarks.BM_Read/262144/real_time" failed
with error exit status 134, want nil
FAIL
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When a broadcast packet is received by the stack, the packet should be
delivered to each endpoint that may be interested in the packet. This
includes all any address and specified broadcast address listeners.
Test: integration_test.TestReuseAddrAndBroadcast
PiperOrigin-RevId: 332060652
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Fixes #3696
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This commit implements FUSE_SETATTR command. When a system call modifies
the metadata of a regular file or a folder by chown(2), chmod(2),
truncate(2), utime(2), or utimes(2), they should be translated to
corresponding FUSE_SETATTR command and sent to the FUSE server.
Fixes #3332
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According to Linux 4.4's FUSE behavior, the flags and fh attributes in
FUSE_GETATTR are only used in read, write, and lseek. fstat(2) doesn't
use them either. Add tests to ensure the requests sent from FUSE module
are consistent with Linux's.
Updates #3655
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fuse_util provides utilities for fuse testing. Add a function to return
a stub fuse_attr struct with specified mode and nodeid.
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This commit adds basic write(2) support for FUSE.
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