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2019-09-07Merge fe1f5210 (automated)gVisor bot
2019-09-06Remove reundant global tcpip.LinkEndpointID.Ian Gudger
PiperOrigin-RevId: 267709597
2019-09-07Merge 9e1cbdf5 (automated)gVisor bot
2019-09-06Indicate flipcall synchronization to the Go race detector.Jamie Liu
Since each Endpoint has a distinct mapping of the packet window, the Go race detector does not recognize accesses by connected Endpoints to be related. This means that this change isn't necessary for the Go race detector to accept accesses of flipcall.Endpoint.Data(), but it *is* necessary for it to accept accesses to shared variables outside the scope of flipcall that are synchronized by flipcall.Endpoint state; see updated test for an example. RaceReleaseMerge is needed (instead of RaceRelease) because calls to raceBecomeInactive() from *unrelated* Endpoints can occur in any order. (DowngradableRWMutex.RUnlock() has a similar property: calls to RUnlock() on the same DowngradableRWMutex from different goroutines can occur in any order. Remove the TODO asking to explain this now that this is understood.) PiperOrigin-RevId: 267705325
2019-09-06Merge 98f7fbb5 (automated)gVisor bot
2019-09-06Merge 0bfffbcb (automated)gVisor bot
2019-09-06Merge 7e94f171 (automated)gVisor bot
2019-09-05Better strace logs for statx.Nicolas Lacasse
PiperOrigin-RevId: 267498537
2019-09-05Merge 487c6f03 (automated)gVisor bot
2019-09-05Merge fbdd3ff1 (automated)gVisor bot
2019-09-05Merge fbbb2f7e (automated)gVisor bot
2019-09-04Fix RST generation bugs.Bhasker Hariharan
There are a few cases addressed by this change - We no longer generate a RST in response to a RST packet. - When we receive a RST we cleanup and release all reservations immediately as the connection is now aborted. - An ACK received by a listening socket generates a RST when SYN cookies are not in-use. The only reason an ACK should land at the listening socket is if we are using SYN cookies otherwise the goroutine for the handshake in progress should have gotten the packet and it should never have arrived at the listening endpoint. - Also fixes the error returned when a connection times out due to a Keepalive timer expiration from ECONNRESET to a ETIMEDOUT. PiperOrigin-RevId: 267238427
2019-09-04Handle subnet and broadcast addresses correctly with NIC.subnetsChris Kuiper
This also renames "subnet" to "addressRange" to avoid any more confusion with an interface IP's subnet. Lastly, this also removes the Stack.ContainsSubnet(..) API since it isn't used by anyone. Plus the same information can be obtained from Stack.NICAddressRanges(). PiperOrigin-RevId: 267229843
2019-09-04Merge 67a2ab14 (automated)gVisor bot
2019-09-03Impose order on test scripts.Adin Scannell
The simple test script has gotten out of control. Shard this script into different pieces and attempt to impose order on overall test structure. This change helps lay some of the foundations for future improvements. * The runsc/test directories are moved into just test/. * The runsc/test/testutil package is split into logical pieces. * The scripts/ directory contains new top-level targets. * Each test is now responsible for building targets it requires. * The install functionality is moved into `runsc` itself for simplicity. * The existing kokoro run_tests.sh file now just calls all (can be split). After this change is merged, I will create multiple distinct workflows for Kokoro, one for each of the scripts currently targeted by `run_tests.sh` today, which should dramatically reduce the time-to-run for the Kokoro tests, and provides a better foundation for further improvements to the infrastructure. PiperOrigin-RevId: 267081397
2019-09-04Merge 144127e5 (automated)gVisor bot
2019-09-03Validate IPv6 Hop Limit field for received NDP packetsGhanan Gowripalan
Make sure that NDP packets are only received if their IP header's hop limit field is set to 255, as per RFC 4861. PiperOrigin-RevId: 267061457
2019-09-03Merge 3789c34b (automated)gVisor bot
2019-09-03Make UDP traceroute work.Bhasker Hariharan
Adds support to generate Port Unreachable messages for UDP datagrams received on a port for which there is no valid endpoint. Fixes #703 PiperOrigin-RevId: 267034418
2019-09-03Merge eb94066e (automated)gVisor bot
2019-09-03Ensure that flipcall.Endpoint.Shutdown() shuts down inactive peers.Jamie Liu
PiperOrigin-RevId: 267022978
2019-09-03Merge 648170f5 (automated)gVisor bot
2019-09-02Remove duplicated file in pkg/tcpip/link/rawfile.Haibo Xu
The blockingpoll_unsafe.go was copied to blockingpoll_noyield_unsafe.go during merging commit 7206202bb9439499. If it still stay here, it would cause build errors on non-amd64 platform. ERROR: pkg/tcpip/link/rawfile/BUILD:5:1: GoCompilePkg pkg/tcpip/link/rawfile.a failed (Exit 1) builder failed: error executing command bazel-out/host/bin/external/go_sdk/builder compilepkg -sdk external/go_sdk -installsuffix linux_arm64 -src pkg/tcpip/link/rawfile/blockingpoll_noyield_unsafe.go -src ... (remaining 33 argument(s) skipped) Use --sandbox_debug to see verbose messages from the sandbox compilepkg: error running subcommand: exit status 2 pkg/tcpip/link/rawfile/blockingpoll_yield_unsafe.go:35:6: BlockingPoll redeclared in this block previous declaration at pkg/tcpip/link/rawfile/blockingpoll_unsafe.go:26:78 Target //pkg/tcpip/link/rawfile:rawfile failed to build Use --verbose_failures to see the command lines of failed build steps. INFO: Elapsed time: 25.531s, Critical Path: 21.08s INFO: 262 processes: 262 linux-sandbox. FAILED: Build did NOT complete successfully Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: I4e21f82984225d0aa173de456f7a7c66053a053e
2019-08-31Merge 0352cf58 (automated)gVisor bot
2019-08-30Remove support for non-incremental mapped accounting.Jamie Liu
PiperOrigin-RevId: 266496644
2019-08-31Merge f3dabdfc (automated)gVisor bot
2019-08-30Automated rollback of changelist 261387276Bhasker Hariharan
PiperOrigin-RevId: 266491264
2019-08-31Merge 502c47f7 (automated)gVisor bot
2019-08-30Fix data race accessing referencedNetworkEndpoint.kindChris Kuiper
Wrapping "kind" into atomic access functions. Fixes #789 PiperOrigin-RevId: 266485501
2019-08-30Return correct buffer size for ioctl(socket, FIONREAD)Fabricio Voznika
Ioctl was returning just the buffer size from epsocket.endpoint and it was not considering data from epsocket.SocketOperations that was read from the endpoint, but not yet sent to the caller. PiperOrigin-RevId: 266485461
2019-08-30Merge 3ec0b64d (automated)gVisor bot
2019-08-30Merge 888e8790 (automated)gVisor bot
2019-08-29Merge 863e11ac (automated)gVisor bot
2019-08-29Implement /proc/net/udp.Rahat Mahmood
PiperOrigin-RevId: 266229756
2019-08-29Merge 0789b9cc (automated)gVisor bot
2019-08-29Merge pull request #655 from praveensastry:feature/runsc-ref-chk-leakgVisor bot
PiperOrigin-RevId: 266226714
2019-08-29Merge eb4aa403 (automated)gVisor bot
2019-08-29Merge 599136b2 (automated)gVisor bot
2019-08-29Add limit_host_fd_translation Gofer mount option.Jamie Liu
PiperOrigin-RevId: 266177409
2019-08-29Merge f048c8be (automated)gVisor bot
2019-08-29Merge 06ae3618 (automated)gVisor bot
2019-08-28Merge 24ecce5d (automated)gVisor bot
2019-08-28Export generated linkAddrEntryEntryTamir Duberstein
PiperOrigin-RevId: 266000128
2019-08-28Merge 784f48a7 (automated)gVisor bot
2019-08-28Merge 313c767b (automated)gVisor bot
2019-08-27Populate link address cache at dispatchTamir Duberstein
This allows the stack to learn remote link addresses on incoming packets, reducing the need to ARP to send responses. This also reduces the number of round trips to the system clock, since that may also prove to be performance-sensitive. Fixes #739. PiperOrigin-RevId: 265815816
2019-08-27Merge f64d9a7d (automated)gVisor bot
2019-08-27Merge 9679f989 (automated)gVisor bot
2019-08-27Fix comment typoMichael Pratt
PiperOrigin-RevId: 265731735
2019-08-27Merge c3956433 (automated)gVisor bot
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