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2020-09-21Fix flakes in UdpSocketTestZach Koopmans
`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
2020-09-20Merge pull request #3651 from ianlewis:ip-forwardinggVisor bot
PiperOrigin-RevId: 332760843
2020-09-18Disable vdso_clock_gettime on KVM.Jamie Liu
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
2020-09-18Deflake stat_test with save/restore enabled.Nicolas Lacasse
PiperOrigin-RevId: 332546659
2020-09-18Implement fsimpl/overlay.filesystem.RenameAt.Jamie Liu
Updates #1199 PiperOrigin-RevId: 332539197
2020-09-18Disable PHP test ext/standard/tests/streams/proc_open_bug60120.phpt.Jamie Liu
PiperOrigin-RevId: 332521647
2020-09-18Use a tmpfs file for shared anonymous and /dev/zero mmap on VFS2.Jamie Liu
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
2020-09-18Remove SKIP_IF for now-supported features.Kevin Krakauer
Updates #3549. PiperOrigin-RevId: 332501660
2020-09-18Enqueue TCP sends arriving in SYN_SENT state.Mithun Iyer
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
2020-09-17ip6tables: filter table supportKevin Krakauer
`ip6tables -t filter` is now usable. NAT support will come in a future CL. #3549 PiperOrigin-RevId: 332381801
2020-09-17{Set,Get} SO_LINGER on all endpoints.Nayana Bidari
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
2020-09-17[testing] Use container address to talk to server running inside container.Ayush Ranjan
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
2020-09-17Complete vfs2 implementation of fallocate.Dean Deng
This change includes overlay, special regular gofer files, and hostfs. Fixes #3589. PiperOrigin-RevId: 332330860
2020-09-17Merge pull request #3979 from jinmouil:feature/fuse-fixgVisor bot
PiperOrigin-RevId: 332328860
2020-09-17Fix kernfs unlinkat and rmdirat incorrect resolved path nameJinmou Li
2020-09-17Deflake vdso_clock_gettime test.Jamie Liu
PiperOrigin-RevId: 332281930
2020-09-17Disable nodejs12.4 test async-hooks/test-statwatcher.Jamie Liu
PiperOrigin-RevId: 332281912
2020-09-16Merge pull request #3934 from avagin:feature/fusegVisor bot
PiperOrigin-RevId: 332122081
2020-09-16Cleanup device name confusion in packetimpact testbenchZeling Feng
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
2020-09-16Automated rollback of changelist 329526153Nayana Bidari
PiperOrigin-RevId: 332097286
2020-09-16[runtime tests] Add documentation.Ayush Ranjan
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
2020-09-16FUSE readdir test fix ino initializationJinmou Li
2020-09-16test/fuse: use the getdents syscall instead of opendir/readdirAndrei Vagin
opendir() is a libc wrapper. Different libc-s can implement it differently.
2020-09-16test/fuse: clean upAndrei Vagin
2020-09-16fuse: fix a compile time errorAndrei Vagin
readdir_test.cc:134:24: error: variable length arrays are a C99 feature [-Werror,-Wvla-extension] char readdir_payload[readdir_payload_size];
2020-09-16Revert "fuse: add benchmarking support for FUSE"Andrei Vagin
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
2020-09-16Receive broadcast packets on interested endpointsGhanan Gowripalan
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
2020-09-16Implement FUSE_UNLINKBoyuan He
Fixes #3696
2020-09-16Implement FUSE_SETATTRCraig Chi
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
2020-09-16Add fh support for revise attr and fstat(2) testCraig Chi
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
2020-09-16Add fuse_fd_util library to include common fuse fd test functionsCraig Chi
2020-09-16Add default attr in fuse_utilCraig Chi
fuse_util provides utilities for fuse testing. Add a function to return a stub fuse_attr struct with specified mode and nodeid.
2020-09-16Implement FUSE_WRITEJinmou Li
This commit adds basic write(2) support for FUSE.
2020-09-16Implement FUSE_CREATECraig Chi
FUSE_CREATE is called when issuing creat(2) or open(2) with O_CREAT. It creates a new file on the FUSE filesystem. Fixes #3825
2020-09-16fuse: add benchmarking support for FUSEBoyuan He & Ridwan Sharif
This change adds the following: - Add support for containerizing syscall tests for FUSE - Mount tmpfs in the container so we can run benchmarks against it - Run the server in a background process - benchmarks for fuse syscall Co-authored-by: Ridwan Sharif <ridwanmsharif@google.com>
2020-09-16fuse: Implement IterDirents for directory file descriptionRidwan Sharif
Fixes #3255. This change adds support for IterDirents. You can now use `ls` in the FUSE sandbox. Co-authored-by: Craig Chi <craigchi@google.com>
2020-09-16Implement FUSE_RMDIRRidwan Sharif
Fixes #3587 Co-authored-by: Craig Chi <craigchi@google.com>
2020-09-16Implement FUSE_READJinmou Li
Fixes #3206
2020-09-16Implement FUSE_MKDIRBoyuan He
Fixes #3392
2020-09-16Implement FUSE_READLINKBoyuan He
Fixes #3316
2020-09-16Implement FUSE_SYMLINKBoyuan He
Fixes #3452
2020-09-16Implement FUSE_MKNODBoyuan He
Fixes #3492
2020-09-16Implement FUSE_RELEASE/RELEASEDIRBoyuan He
Fixes #3314
2020-09-16Implement FUSE_OPEN/OPENDIRBoyuan He
Fixes #3174
2020-09-16Add function to create a fake inode in FUSE integration testCraig Chi
Adds a function for the testing thread to set up a fake inode with a specific path under mount point. After this function is called, each subsequent FUSE_LOOKUP request with the same path will be served with the fixed stub response. Fixes #3539
2020-09-16Add function generating array of iovec with different FUSE structsCraig Chi
This commit adds a function in the newly created fuse_util library, which accepts a variable number of arguments and data structures. Fixes #3609
2020-09-16Add functions in FUSE integration test to get metrics from FUSE serverCraig Chi
This commit adds 3 utility functions to ensure all received requests and preset responses are consumed. 1. Get number of unconsumed requests (received by the FUSE server but not consumed by the testing thread). 2. Get number of unsent responses (set by the testing thread but not processed by the FUSE server). 3. Get total bytes of the received requests (to ensure some operations don't trigger FUSE requests). Fixes #3607
2020-09-16Extend integration test to test sequence of FUSE operationCraig Chi
Original FUSE integration test has limited capabilities. To test more situations, the new integration test framework introduces a protocol to communicate between testing thread and the FUSE server. In summary, this change includes: 1. Remove CompareResult() and break SetExpected() into SetServerResponse() and GetServerActualRequest(). We no longer set up an expected request because we want to retrieve the actual FUSE request made to the FUSE server and check in the testing thread. 2. Declare a serial buffer data structure to save the received requests and expected responses sequentially. The data structure contains a cursor to indicate the progress of accessing. This change makes sequential SetServerResponse() and GetServerActualRequest() possible. 3. Replace 2 single directional pipes with 1 bi-directional socketpair. A protocol which starts with FuseTestCmd is used between the testing thread and the FUSE server to provide various functionality. Fixes #3405
2020-09-15Enable automated marshalling for the syscall package.Rahat Mahmood
PiperOrigin-RevId: 331940975
2020-09-15Support setting STATX_SIZE for kernfs.InodeAttrs.Dean Deng
Make setting STATX_SIZE a no-op, if it is valid for the given permissions and file type. Also update proc tests, which were overfitted before. Fixes #3842. Updates #1193. PiperOrigin-RevId: 331861087
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