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2019-12-16Drop unnecessary cast.Dean Deng
Bitshift operators with signed int is supported in Go 1.13. PiperOrigin-RevId: 285853622
2019-12-16Implement checks for get/setxattr at the syscall layer.Dean Deng
Add checks for input arguments, file type, permissions, etc. that match the Linux implementation. A call to get/setxattr that passes all the checks will still currently return EOPNOTSUPP. Actual support will be added in following commits. Only allow user.* extended attributes for the time being. PiperOrigin-RevId: 285835159
2019-12-13enable kvm to support arm64lubinszARM
There are 4 jobs were finished in this package: 1, Virtual machine initialization. 2, Bluepill implementation. 3, Move ring0.Vectors() into the address with 11-bits alignment. 4, Basic support for "SwitchToUser". Signed-off-by: Bin Lu <bin.lu@arm.com> COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/919 from lubinszARM:pr_kvm eedea52db451bf62722759009a9f14c54a69c55f PiperOrigin-RevId: 285501256
2019-12-13Properly generate the EUI64 interface identifier from an Ethernet addressGhanan Gowripalan
Fixed a bug where the interface identifier was not properly generated from an Ethernet address. Tests: Unittests to make sure the functions generating the EUI64 interface identifier are correct. PiperOrigin-RevId: 285494562
2019-12-12Add iptables testing framework.Kevin Krakauer
It would be preferrable to test iptables via syscall tests, but there are some problems with that approach: * We're limited to loopback-only, as syscall tests involve only a single container. Other link interfaces (e.g. fdbased) should be tested. * We'd have to shell out to call iptables anyways, as the iptables syscall interface itself is too large and complex to work with alone. * Running the Linux/native version of the syscall test will require root, which is a pain to configure, is inherently unsafe, and could leave host iptables misconfigured. Using the go_test target allows there to be no new test runner. PiperOrigin-RevId: 285274275
2019-12-12Implement memmap.MappingIdentity for vfs.FileDescription.Jamie Liu
PiperOrigin-RevId: 285255855
2019-12-12Implement kernfs.Rahat Mahmood
PiperOrigin-RevId: 285231002
2019-12-12unix: allow to bind unix sockets only to AF_UNIX addressesAndrei Vagin
Reported-by: syzbot+2c0bcfd87fb4e8b7b009@syzkaller.appspotmail.com PiperOrigin-RevId: 285228312
2019-12-11Enable IPv6 in runscBhasker Hariharan
Fixes #1341 PiperOrigin-RevId: 285108973
2019-12-11Add support for TCP_USER_TIMEOUT option.Bhasker Hariharan
The implementation follows the linux behavior where specifying a TCP_USER_TIMEOUT will cause the resend timer to honor the user specified timeout rather than the default rto based timeout. Further it alters when connections are timedout due to keepalive failures. It does not alter the behavior of when keepalives are sent. This is as per the linux behavior. PiperOrigin-RevId: 285099795
2019-12-11Add syscall tests for getxattr and setxattr.Dean Deng
Support for getxattr and setxattr are in subsequent commits. PiperOrigin-RevId: 285088817
2019-12-11GCloudProducer: tunnel_dispatch, mock_recorder, and machine.Zach Koopmans
Work to import GCloudProducer, written in gerrit, which is too large to do in one CL. GCloudProducer sets up gcloud instances to run benchmark workloads. Included are: - gcloud_mock_recorder - used to Mock GCloudProducer - tunnel_dispatcher - updates to this module to bring it in line with the style guide - machine - updates to this module to bring it in line with the style guide All changes are independent of the rest of the changes, and should "just build". PiperOrigin-RevId: 285076423
2019-12-11Run kythe build with -std=c++17Brad Burlage
We seem to be getting some compiler errors when using the Kythe extractors.bazelrc. I'm not able to reproduce this on my local machine, so I'm hoping copying the cxxopt from gvisor.dev/pr/1350 will fix the build. PiperOrigin-RevId: 285054258
2019-12-11Add vfs.Pathname{WithDeleted,ForGetcwd}.Jamie Liu
The former is needed for vfs.FileDescription to implement memmap.MappingIdentity, and the latter is needed to implement getcwd(2). PiperOrigin-RevId: 285051855
2019-12-11Add additional packages to go branchMichael Pratt
We're missing several packages that runsc doesn't depend on. Most notable are several tcpip link packages. To find packages, I looked at a diff of directories on master vs go: $ bazel build //:gopath $ find bazel-bin/gopath/src/gvisor.dev/gvisor/ -type d > /tmp/gopath.txt $ find . -type d > /tmp/master.txt $ sed 's|bazel-bin/gopath/src/gvisor.dev/gvisor/||' < /tmp/gopath.txt > /tmp/gopath.trunc.txt $ sed 's|./||' < /tmp/master.txt > /tmp/master.trunc.txt $ vimdiff /tmp/gopath.trunc.txt /tmp/master.trunc.txt Testing packages are still left out because :gopath can't depend on testonly targets... PiperOrigin-RevId: 285049029
2019-12-11Merge pull request #1248 from xiaobo55x:ptracegVisor bot
PiperOrigin-RevId: 285038987
2019-12-11runsc/debug: add an option to list all processesAndrei Vagin
runsc debug --ps list all processes with all threads. This option is added to the debug command but not to the ps command, because it is going to be used for debug purposes and we want to add any useful information without thinking about backward compatibility. This will help to investigate syzkaller issues. PiperOrigin-RevId: 285013668
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
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