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2020-03-13Merge release-20200219.0-162-g28d26d2 (automated)gVisor bot
2020-03-13Honour the link's MaxHeaderLength when forwardingGhanan Gowripalan
LinkEndpoints may expect/assume that the a tcpip.PacketBuffer's Header has enough capacity for its own headers, as per documentation for LinkEndpoint.MaxHeaderLength. Test: stack_test.TestNICForwarding PiperOrigin-RevId: 300784192
2020-03-13Merge release-20200219.0-161-g8f8f16e (automated)gVisor bot
2020-03-13Add support for mount flagsFabricio Voznika
Plumbs MS_NOEXEC and MS_RDONLY. Others are TODO. Updates #1623 #1193 PiperOrigin-RevId: 300764669
2020-03-13Merge release-20200219.0-160-gf693e13 (automated)gVisor bot
2020-03-12Clarify comments about IHL in ipv4.go.Eyal Soha
PiperOrigin-RevId: 300668506
2020-03-12Merge release-20200219.0-159-gbbf8600 (automated)gVisor bot
2020-03-12Remove flaky network namespace test that uses clone().Ting-Yu Wang
PiperOrigin-RevId: 300626011
2020-03-12Merge release-20200219.0-158-g9196646 (automated)gVisor bot
2020-03-12Mark gonet_test as flaky.Zach Koopmans
Mark /pkg/tcpip/adapters/gonet/gonet_test as flaky. PiperOrigin-RevId: 300609529
2020-03-12Merge release-20200219.0-157-gf2e4b5a (automated)gVisor bot
2020-03-12Kill sandbox process when parent process terminatesFabricio Voznika
When the sandbox runs in attached more, e.g. runsc do, runsc run, the sandbox lifetime is controlled by the parent process. This wasn't working in all cases because PR_GET_PDEATHSIG doesn't propagate through execve when the process changes uid/gid. So it was getting dropped when the sandbox execve's to change to user nobody. PiperOrigin-RevId: 300601247
2020-03-12Merge release-20200219.0-156-g035f743 (automated)gVisor bot
2020-03-11Use a heap in transport demuxerTamir Duberstein
...instead of sorting at various times. Plug a memory leak by setting removed elements to nil. PiperOrigin-RevId: 300471087
2020-03-12Merge release-20200219.0-155-gac05043 (automated)gVisor bot
2020-03-11Implement heap.Interface on pointer receiverTamir Duberstein
PiperOrigin-RevId: 300467253
2020-03-12Merge release-20200219.0-154-g538e35f (automated)gVisor bot
2020-03-11Fix race condition (*tcp.endpoint).CloseTamir Duberstein
Atomically close the endpoint. Before this change, it was possible for multiple callers to perform duplicate work. PiperOrigin-RevId: 300462110
2020-03-12Merge release-20200219.0-153-g61051f2 (automated)gVisor bot
2020-03-11Clean-up buffer implementation.Adin Scannell
This also adds substantial test cases. The Read/Write interfaces are dropped as they are not necessary. PiperOrigin-RevId: 300461547
2020-03-12Merge release-20200219.0-152-ga9c6135 (automated)gVisor bot
2020-03-11Merge pull request #2108 from kevinGC:prepare-ipt-testsgVisor bot
PiperOrigin-RevId: 300449422
2020-03-12Merge release-20200219.0-150-g81675b8 (automated)gVisor bot
2020-03-11Fix memory leak in danglingEndpoints.Bhasker Hariharan
Endpoints which were being terminated in an ERROR state or were moved to CLOSED by the worker goroutine do not run cleanupLocked() as that should already be run by the worker termination. But when making that change we made the mistake of not removing the endpoint from the danglingEndpoints which is normally done in cleanupLocked(). As a result these endpoints are leaked since a reference is held to them in the danglingEndpoints array forever till Stack is torn down. PiperOrigin-RevId: 300438426
2020-03-11iptables: ready tests to be enabled in kokoroKevin Krakauer
Fixed flakes (tested via --runs_per_test=100) and added skips for not-yet-implemented features. Once submitted, the iptables tests will be ready to enable in kokoro.
2020-03-11Merge release-20200219.0-149-gfd84cdd (automated)gVisor bot
2020-03-11Internal changeZach Koopmans
PiperOrigin-RevId: 300410856
2020-03-11Merge release-20200219.0-148-g5ee9bbb (automated)gVisor bot
2020-03-11Upgrade KytheMichael Pratt
PiperOrigin-RevId: 300409401
2020-03-11Merge release-20200219.0-147-g22d89ef (automated)gVisor bot
2020-03-11Import "unsafe" in bluepill_arm64_unsafe.goAndrei Vagin
This fixes a compile time error: pkg/sentry/platform/kvm/bluepill_arm64_unsafe.go:45:35: undefined: unsafe PiperOrigin-RevId: 300375687
2020-03-11Merge release-20200219.0-146-gd3fa741 (automated)gVisor bot
2020-03-11runsc: Set asyncpreemptoff for the kvm platformAndrei Vagin
The asynchronous goroutine preemption is a new feature of Go 1.14. When we switched to go 1.14 (cl/297915917) in the bazel config, the kokoro syscall-kvm job started permanently failing. Lets temporary set asyncpreemptoff for the kvm platform to unblock tests. PiperOrigin-RevId: 300372387
2020-03-11Merge release-20200219.0-145-g2c2622b (automated)gVisor bot
2020-03-11Merge pull request #1975 from nybidari:iptablesgVisor bot
PiperOrigin-RevId: 300362789
2020-03-11Merge release-20200219.0-138-g2aa9514 (automated)gVisor bot
2020-03-11runsc: don't redirect SIGURG which is used by Go's runtime schedulerAndrei Vagin
Go 1.14+ sends SIGURG to Ms to attempt asynchronous preemption of a G. Since it can't guarantee that a SIGURG is only related to preemption, it continues to forward them to signal.Notify (see runtime.sighandler). When runsc is running a container, there are three processes: a parent process and two children (sandbox and gopher). A parent process sets a signal handler for all signals and redirect them to the container init process. This logic should ignore SIGURG signals. We already ignore them in the Sentry, but it will be better to not notify about them when this is possible. PiperOrigin-RevId: 300345286
2020-03-11Merge release-20200219.0-137-g7bca091 (automated)gVisor bot
2020-03-11Automated rollback of changelist 300217972gVisor bot
PiperOrigin-RevId: 300308974
2020-03-11Merge release-20200219.0-136-g24e7005 (automated)gVisor bot
2020-03-11Merge pull request #1832 from xiaobo55x:tls_ptracegVisor bot
PiperOrigin-RevId: 300270894
2020-03-11Merge release-20200219.0-134-gf56fe66 (automated)gVisor bot
2020-03-10Honour the link's MaxHeaderLength when forwardingGhanan Gowripalan
This change also updates where the IP packet buffer is held in an outbound tcpip.PacketBuffer from Header to Data. This change removes unncessary copying of the IP packet buffer when forwarding. Test: stack_test.TestNICForwarding PiperOrigin-RevId: 300217972
2020-03-10Merge release-20200219.0-133-gd6440ec (automated)gVisor bot
2020-03-10The packet forwarding should resolve the link address if necessary.gVisor bot
Fixes #1510 Test: - stack_test.TestForwardingWithStaticResolver - stack_test.TestForwardingWithFakeResolver - stack_test.TestForwardingWithNoResolver - stack_test.TestForwardingWithFakeResolverPartialTimeout - stack_test.TestForwardingWithFakeResolverTwoPackets - stack_test.TestForwardingWithFakeResolverManyPackets - stack_test.TestForwardingWithFakeResolverManyResolutions PiperOrigin-RevId: 300182570
2020-03-10Merge release-20200219.0-132-g0990ef7 (automated)gVisor bot
2020-03-10Make checkpoint/restore e2e test less flakyIan Lewis
PiperOrigin-RevId: 300171916
2020-03-10Merge release-20200219.0-131-gb36de6e (automated)gVisor bot
2020-03-09Move /proc/net to /proc/PID/net, and make /proc/net -> /proc/self/net.Ting-Yu Wang
Issue #1833 PiperOrigin-RevId: 299998105
2020-03-09Merge release-20200219.0-130-g2446161 (automated)gVisor bot
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