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2019-12-11Finish incomplete comment.Dean Deng
PiperOrigin-RevId: 285012278
2019-12-10Deduplicate and simplify control message processing for recvmsg and sendmsg.Dean Deng
Also, improve performance by calculating how much space is needed before making an allocation for sendmsg in hostinet. PiperOrigin-RevId: 284898581
2019-12-10Add most VFS methods for syscalls.Jamie Liu
PiperOrigin-RevId: 284892289
2019-12-10Inform the integrator on receipt of an NDP Recursive DNS Server optionGhanan Gowripalan
This change adds support to let an integrator know when it receives an NDP Router Advertisement message with the NDP Recursive DNS Server option with at least one DNS server's address. The stack will not maintain any state related to the DNS servers - the integrator is expected to maintain any required state and invalidate the servers after its valid lifetime expires, or refresh the lifetime when a new one is received for a known DNS server. Test: Unittest to make sure that an event is sent to the integrator when an NDP Recursive DNS Server option is received with at least one address. PiperOrigin-RevId: 284890502
2019-12-10Remove pyenv calls but log the python 3 version in use.Brad Burlage
Apparently our Kokoro VM images don't have pyenv -- I previously tested this on the Kokoro QA shared pool. PiperOrigin-RevId: 284855160
2019-12-10Add Kokoro configs for publishing Kythe xrefs.Brad Burlage
PiperOrigin-RevId: 284835614
2019-12-10Format fd_set parameters in select(2)/pselect(2) for strace.Dean Deng
I1202 14:55:06.835076 7991 x:0] [ 1] select_test E select(0xa, 0x7fc6ce924c28 [0 1], null, null, 0x7fc6ce924c08 {sec=0 usec=0}) I1202 14:55:06.835102 7991 x:0] [ 1] select_test X select(0xa, 0x7fc6ce924c28 [0 1], null, null, 0x7fc6ce924c08 {sec=0 usec=0}) PiperOrigin-RevId: 284831805
2019-12-10Re-enable execveat test that was causing files in /bin to be deleted.Dean Deng
Test now no longer deletes files incorrectly, due to a fix in fs utils used by TempPath (github.com/google/gvisor/pull/1368). Fixes #1366 PiperOrigin-RevId: 284814605
2019-12-10Let socket.ControlMessages Release() the underlying transport.ControlMessages.Dean Deng
PiperOrigin-RevId: 284804370
2019-12-10Do not consider symlinks as directories in fs utils.Dean Deng
IsDirectory() is used in RecursivelyDelete(), which should not follow symlinks. The only other use (syscalls/linux/rename.cc) is not affected by this change. Updates #1366. PiperOrigin-RevId: 284803968
2019-12-10Add all upstream syscalls to tablesMichael Pratt
Package strace is missing some syscalls we actually implement (e.g., getrandom). We also see newer syscalls sometimes (e.g., membarrier) that would be handy to have formatted. Let's go ahead and add all syscalls in the latest upstream release (v5.4), even though we only intend to implement v4.4. None of them are implemented, just included as placeholders. PiperOrigin-RevId: 284797577
2019-12-10Make comments clearer for control message handling.Dean Deng
PiperOrigin-RevId: 284791600
2019-12-10Disable execveat test that is causing files in /bin to be deleted.Dean Deng
Disable until gvisor.dev/issue/1366 is resolved. Updates #1366 PiperOrigin-RevId: 284786895
2019-12-10Add hostinet tests for sendmsg and recvmsg with TOS/TCLASS.Dean Deng
PiperOrigin-RevId: 284786069
2019-12-09Add test for SO_BINDTODEVICE state bug.Ian Gudger
This was accidentally dropped from the change which fixed the bug. Updates #1217 PiperOrigin-RevId: 284689362
2019-12-09Add UDP SO_REUSEADDR support to the port manager.Ian Gudger
Next steps include adding support to the transport demuxer and the UDP endpoint. PiperOrigin-RevId: 284652151
2019-12-09Include <netinet/tcp.h> for TCP enums in proc_net testsJay Zhuang
These are currently duplicated in ip_socket_test_util, so tests including both netinet/tcp.h and ip_socket_test_util won't compile. PiperOrigin-RevId: 284623958
2019-12-09Redirect TODOs to gvisor.devFabricio Voznika
PiperOrigin-RevId: 284606233
2019-12-09Mark test as non flaky.Bhasker Hariharan
PiperOrigin-RevId: 284606133
2019-12-09Mark runner_test as manual.Adin Scannell
Because it is local-only, it should also be marked manual. PiperOrigin-RevId: 284596186
2019-12-09Add tests for rseq(2)Michael Pratt
Add a decent set of syscall tests for rseq(2). These are a bit awkward because of issues with library integration. libc may register rseq on thread start (including before main on the initial thread), precluding much testing. Thus we run tests in a libc-free subprocess. Support for rseq(2) in gVisor will come in a later commit. PiperOrigin-RevId: 284595994
2019-12-06Bump up Go 1.13 as minimum requirementFabricio Voznika
PiperOrigin-RevId: 284320186
2019-12-06Update Kokoro image to install Golang 1.13Fabricio Voznika
PiperOrigin-RevId: 284308422
2019-12-06Merge pull request #1233 from xiaobo55x:compatLoggVisor bot
PiperOrigin-RevId: 284305935
2019-12-06Add TCP stats for connection close and keep-alive timeouts.Mithun Iyer
Fix bugs in updates to TCP CurrentEstablished stat. Fixes #1277 PiperOrigin-RevId: 284292459
2019-12-06Add runtime tracing.Adin Scannell
This adds meaningful annotations to the trace generated by the runtime/trace package. PiperOrigin-RevId: 284290115
2019-12-06Fix flakiness in tcp_test.Bhasker Hariharan
This change marks the socket as ESTABLISHED and creates the receiver and sender the moment we send the final ACK in case of an active TCP handshake or when we receive the final ACK for a passive TCP handshake. Before this change there was a short window in which an ACK can be received and processed but the state on the socket is not yet ESTABLISHED. This can be seen in TestConnectBindToDevice which is flaky because sometimes the socket is in SYN-SENT and not ESTABLISHED even though the other side has already received the final ACK of the handshake. PiperOrigin-RevId: 284277713
2019-12-06Build with C++17Michael Pratt
This will require a reasonably modern toolchain. I've put minimum compiler versions in the README based on versions in https://en.cppreference.com/w/cpp/compiler_support that have mostly complete language and library support. The minimum Bazel version bump is unrelated, but 0.28 is definitely not supported anymore. Please report issues on gvisor.dev/issue/1349. Fixes #1349 PiperOrigin-RevId: 284274250
2019-12-06Do IPv6 Stateless Address Auto-Configuration (SLAAC)Ghanan Gowripalan
This change allows the netstack to do SLAAC as outlined by RFC 4862 section 5.5. Note, this change will not break existing uses of netstack as the default configuration for the stack options is set in such a way that SLAAC will not be performed. See `stack.Options` and `stack.NDPConfigurations` for more details. This change reuses 1 option and introduces a new one that is required to take advantage of SLAAC, all available under NDPConfigurations: - HandleRAs: Whether or not NDP RAs are processes - AutoGenGlobalAddresses: Whether or not SLAAC is performed. Also note, this change does not deprecate SLAAC generated addresses after the preferred lifetime. That will come in a later change (b/143713887). Currently, only the valid lifetime is honoured. Tests: Unittest to make sure that SLAAC generates and adds addresses only when configured to do so. Tests also makes sure that conflicts with static addresses do not modify the static address. PiperOrigin-RevId: 284265317
2019-12-06Implement TTY field in control.Processes().Nicolas Lacasse
Threadgroups already know their TTY (if they have one), which now contains the TTY Index, and is returned in the Processes() call. PiperOrigin-RevId: 284263850
2019-12-06Make annotations OCI compliantFabricio Voznika
Changed annotation to follow the standard defined here: https://github.com/opencontainers/image-spec/blob/master/annotations.md PiperOrigin-RevId: 284254847
2019-12-06Add hostinet tests for UDP sockets.Dean Deng
We need to skip a subset of the tests, because of features that hostinet does not currently support. Fixes #1209 PiperOrigin-RevId: 284235911
2019-12-06Merge pull request #1314 from ↵gVisor bot
google:dependabot/npm_and_yarn/benchmarks/workloads/node_template/lodash-4.17.15 PiperOrigin-RevId: 284210333
2019-12-06Document ELF PT_LOAD difference from LinuxMichael Pratt
PiperOrigin-RevId: 284191345
2019-12-05Fix possible race condition destroying containerFabricio Voznika
When the sandbox is destroyed, making URPC calls to destroy the container will fail. The code was checking if the sandbox was running before attempting to make the URPC call, but that is racy. PiperOrigin-RevId: 284093764
2019-12-05Implement F_GETOWN_EX and F_SETOWN_EX.Ian Gudger
Some versions of glibc will convert F_GETOWN fcntl(2) calls into F_GETOWN_EX in some cases. PiperOrigin-RevId: 284089373
2019-12-05Reduce flakiness under gotsan runs.Bhasker Hariharan
TcpPortReuseMultiThread creates lots of connections which result in a lot of goroutines in the sentry. This can cause gotsan runs to take really long and timeout. Increasing listen backlog and reducing number of connections should help the connections complete faster as well as reduce the number of goroutines that gotsan needs to track. PiperOrigin-RevId: 284046018
2019-12-05Create correct file for /proc/[pid]/task/[tid]/ioZach Koopmans
PiperOrigin-RevId: 284038840
2019-12-05Add vfs.CheckSetStat() and its dependencies.Jamie Liu
PiperOrigin-RevId: 284033820
2019-12-05Add a type to represent the NDP Recursive DNS Server optionGhanan Gowripalan
This change adds a type to represent the NDP Recursive DNS Server option, as defined by RFC 8106 section 5.1. PiperOrigin-RevId: 284005493
2019-12-05Explicitly export files needed by other packagesgVisor bot
PiperOrigin-RevId: 283955946
2019-12-04Allow syscall tests to run with hostinet.Dean Deng
Fixes #1207 PiperOrigin-RevId: 283914438
2019-12-04Remove TODO since we don't plan to support debug registersFabricio Voznika
PiperOrigin-RevId: 283828423
2019-12-03Clean up readv_socket test suite.Dean Deng
Get rid of the SocketTest class, which is only extended by ReadvSocketTest. Also, get rid of TCP sockets (which were unused anyway) from readv_socket.cc. This is a very old test suite that isn't the right place for TCP loopback tests. PiperOrigin-RevId: 283672772
2019-12-03Point TODO to gvisor.devFabricio Voznika
PiperOrigin-RevId: 283657725
2019-12-04Bump lodash in /benchmarks/workloads/node_templatedependabot[bot]
Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.15. - [Release notes](https://github.com/lodash/lodash/releases) - [Commits](https://github.com/lodash/lodash/compare/4.17.11...4.17.15) Signed-off-by: dependabot[bot] <support@github.com>
2019-12-03net/udp: return a local route address as the bound-to addressAndrei Vagin
If the socket is bound to ANY and connected to a loopback address, getsockname() has to return the loopback address. Without this fix, getsockname() returns ANY. PiperOrigin-RevId: 283647781
2019-12-03Fix printing /proc/[pid]/io for /proc/[pid]/task/[tid]/io.Zach Koopmans
PiperOrigin-RevId: 283630669
2019-12-03Fix panic due to early transition to Closed.Bhasker Hariharan
The code in rcv.consumeSegment incorrectly transitions to CLOSED state from LAST-ACK before the final ACK for the FIN. Further if receiving a segment changes a socket to a closed state then we should not invoke the sender as the socket is now closed and sending any segments is incorrect. PiperOrigin-RevId: 283625300
2019-12-03strace: don't create a slice with a negative valueAndrei Vagin
PiperOrigin-RevId: 283613824
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