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2019-08-06Merge dfbc0b0a (automated)gVisor bot
2019-08-06Fix for a panic due to writing to a closed accept channel.Bhasker Hariharan
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
2019-08-06Merge 704f9610 (automated)gVisor bot
2019-08-06Require pread/pwrite for splice file offsetsMichael Pratt
If there is an offset, the file must support pread/pwrite. See fs/splice.c:do_splice. PiperOrigin-RevId: 261944932
2019-08-05Alter Dockerfiles to include common.go and use a prebuilt JDK.Samantha Sample
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
2019-08-05Merge 23e74043 (automated)gVisor bot
2019-08-05Expand runtimes test suite to include Go, Java, PHP, and Python.Samantha Sample
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
2019-08-02Merge 960a5e55 (automated)gVisor bot
2019-08-02Remove stale TODOFabricio Voznika
This was done in commit 04cbb13ce9b151cf906f42e3f18ce3a875f01f63 PiperOrigin-RevId: 261414748
2019-08-02Plumbing for iptables sockopts.Kevin Krakauer
PiperOrigin-RevId: 261413396
2019-08-02Merge b6a5b950 (automated)gVisor bot
2019-08-02Job control: controlling TTYs and foreground process groups.Kevin Krakauer
(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
2019-08-02Merge b461be88 (automated)gVisor bot
2019-08-02Stops container if gofer is killedFabricio Voznika
Each gofer now has a goroutine that polls on the FDs used to communicate with the sandbox. The respective gofer is destroyed if any of the FDs is closed. Closes #601 PiperOrigin-RevId: 261383725
2019-08-02Merge 2906dffc (automated)gVisor bot
2019-08-02Automated rollback of changelist 261191548Rahat Mahmood
PiperOrigin-RevId: 261373749
2019-08-02Merge aaaefdf9 (automated)gVisor bot
2019-08-02Remove kernel.mounts.Nicolas Lacasse
We can get the mount namespace from the CreateProcessArgs in all cases where we need it. This also gets rid of kernel.Destroy method, since the only thing it was doing was DecRefing the mounts. Removing the need to call kernel.SetRootMountNamespace also allowed for some more simplifications in the container fs setup code. PiperOrigin-RevId: 261357060
2019-08-02Merge 3eff0531 (automated)gVisor bot
2019-08-01Refactor ListTests() to common.Search().Brett Landau
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
2019-08-01Set sandbox oom_score_adjIan Lewis
Set /proc/self/oom_score_adj based on oomScoreAdj specified in the OCI bundle. When new containers are added to the sandbox oom_score_adj for the sandbox and all other gofers are adjusted so that oom_score_adj is equal to the lowest oom_score_adj of all containers in the sandbox. Fixes #512 PiperOrigin-RevId: 261242725
2019-08-01Merge bad43772 (automated)gVisor bot
2019-08-01Drop reference on fs.Inode if Mount goes wrong.Nicolas Lacasse
PiperOrigin-RevId: 261203674
2019-08-01Merge f2b25aea (automated)gVisor bot
2019-08-01tmpfs and ramfs Dirs should drop references on children in Release().Nicolas Lacasse
This is the source of many warnings like: AtomicRefCount 0x7f5ff84e3500 owned by "fs.Inode" garbage collected with ref count of 1 (want 0) PiperOrigin-RevId: 261197093
2019-08-01Implement getsockopt(TCP_INFO).Rahat Mahmood
Export some readily-available fields for TCP_INFO and stub out the rest. PiperOrigin-RevId: 261191548
2019-08-01Merge 0a246fab (automated)gVisor bot
2019-07-31Basic support for 'ip route'Ian Lewis
Implements support for RTM_GETROUTE requests for netlink sockets. Fixes #507 PiperOrigin-RevId: 261051045
2019-07-31Merge 77833ece (automated)gVisor bot
2019-07-31Fix test execution bugs in proctor-go and proctor-python.Brett Landau
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
2019-07-31Flipcall refinements.Jamie Liu
Note that some of these changes affect the protocol in backward-incompatible ways. - Replace use of "initially-active" and "initially-inactive" with "client" and "server" respectively for clarity. - Fix a race condition involving Endpoint.Shutdown() by repeatedly invoking FUTEX_WAKE until it is confirmed that no local thread is blocked in FUTEX_WAIT. - Drop flipcall.ControlMode. PiperOrigin-RevId: 260981382
2019-07-31Merge cf2b2d97 (automated)gVisor bot
2019-07-31Initialize kernel.unimplementedSyscallEmitter with a sync.Once.Nicolas Lacasse
This is initialized lazily on the first unimplemented syscall. Without the sync.Once, this is racy. PiperOrigin-RevId: 260971758
2019-07-31Merge edcc60b9 (automated)gVisor bot
2019-07-31Refactor proctor binaries to implement testRunner interface.Brett Landau
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
2019-07-31Merge 12c4eb29 (automated)gVisor bot
2019-07-31Fix ICMPv4 EchoReply packet checksumAustin Kiekintveld
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
2019-07-31Merge c6e6d92c (automated)gVisor bot
2019-07-31Test connecting UDP sockets to the ANY addressTamir Duberstein
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
2019-07-31Merge a7d5e0d2 (automated)gVisor bot
2019-07-30Cache pages in CachingInodeOperations.Read when memory evictions are delayed.Jamie Liu
PiperOrigin-RevId: 260851452
2019-07-31Merge 5afa642d (automated)gVisor bot
2019-07-30ext: Migrate from using fileReader custom interface to using io.Reader.Ayush Ranjan
It gets rid of holding state of the io.Reader offset (which is anyways held by the vfs.FileDescriptor struct. It is also odd using a io.Reader becuase we using io.ReaderAt to interact with the device. So making a io.ReaderAt wrapper makes more sense. Most importantly, it gets rid of the complexity of extracting the file reader from a regular file implementation and then using it. Now we can just use the regular file implementation as a reader which is more intuitive. PiperOrigin-RevId: 260846927
2019-07-31Merge 9fbe984d (automated)gVisor bot
2019-07-30ext: block map file reader implementation.Ayush Ranjan
Also adds stress tests for block map reader and intensifies extent reader tests. PiperOrigin-RevId: 260838177
2019-07-31Merge 885e17f8 (automated)gVisor bot
2019-07-30Remove unused const variablesIan Lewis
PiperOrigin-RevId: 260824989
2019-07-30Merge 7369c63e (automated)gVisor bot
2019-07-30Pass ProtocolAddress instead of its fieldsTamir Duberstein
PiperOrigin-RevId: 260803517
2019-07-30Merge 93b0917d (automated)gVisor bot
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