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2020-12-12Merge release-20201208.0-40-g08d36b6c6 (automated)gVisor bot
2020-12-12Reduce the memory overhead in IP fragment managementToshi Kikuchi
- Deep-copy pkt.Data and hold it instead of shallow-copy (vv.Clone). This allows the pkt's backing array, which includes the header portion, to be freed. - Remove fragHeap. The fragments are now held in holes struct instead. - Stop reserving the initial capacity of holes slice. PiperOrigin-RevId: 347198744
2020-12-12Merge release-20201208.0-39-g4aef908c9 (automated)gVisor bot
2020-12-12Introduce IPv6 extension header serialization facilitiesBruno Dal Bo
Adds IPv6 extension header serializer and Hop by Hop options serializer. Add RouterAlert option serializer and use it in MLD. Fixed #4996 Startblock: has LGTM from marinaciocea and then add reviewer ghanan PiperOrigin-RevId: 347174537
2020-12-12Merge release-20201208.0-38-g4b697aae5 (automated)gVisor bot
2020-12-11Fix long running bazel build jobs.Zach Koopmans
- Skip the bazel clean command on the last run of the benchmark. - Use --test.benchtime=1ns to force running the benchmark once (https://github.com/golang/go/issues/32051) PiperOrigin-RevId: 347124606
2020-12-12Merge release-20201208.0-37-gbe5922fbd (automated)gVisor bot
2020-12-11Internal change.gVisor bot
PiperOrigin-RevId: 347091372
2020-12-12Merge release-20201208.0-36-g1e92732eb (automated)gVisor bot
2020-12-11Make fixes to vfs2 leak checking.Dean Deng
PiperOrigin-RevId: 347089828
2020-12-11Merge release-20201208.0-35-g80379894d (automated)gVisor bot
2020-12-11Add runsc symbolize command.Dean Deng
This command takes instruction pointers from stdin and converts them into their corresponding file names and line/column numbers in the runsc source code. The inputs are not interpreted as actual addresses, but as synthetic values that are exposed through /sys/kernel/debug/kcov. One can extract coverage information from kcov and translate those values into locations in the source code by running symbolize on the same runsc binary. This will allow us to generate syzkaller coverage reports. PiperOrigin-RevId: 347089624
2020-12-11Merge release-20201208.0-34-gd45420b15 (automated)gVisor bot
2020-12-11Merge release-20201208.0-33-g5bdc167d1 (automated)gVisor bot
2020-12-11Fix panic when IPv4 address is used in sendmsg for IPv6 socketsNayana Bidari
We do not rely on error for getsockopt options(which have boolean values) anymore. This will cause issue in sendmsg where we used to return error for IPV6_V6Only option. Fix the panic by returning error (for sockets other than TCP and UDP) if the address does not match the type(AF_INET/AF_INET6) of the socket. PiperOrigin-RevId: 347063838
2020-12-11Fix run and sudo targets.Adin Scannell
These are not passing arguments properly. This breaks the current pre-command for BuildKite. PiperOrigin-RevId: 347062729
2020-12-11Merge release-20201208.0-32-g305a45655 (automated)gVisor bot
2020-12-11Adjust requests to be constant equal to b.N in network tests.Zach Koopmans
For "hey", requests >= concurrency. b.N can be set by the --test.benchtime={b.N}x. The previous setting of b.N * c can be surprisingly slow for larger c. Set the requests to max(b.N, c) and log to the user if it is c. PiperOrigin-RevId: 347053675
2020-12-11Merge release-20201208.0-31-g4cba3904f (automated)gVisor bot
2020-12-11Remove existing nogo exceptions.Adin Scannell
PiperOrigin-RevId: 347047550
2020-12-11Merge release-20201208.0-30-g76c2f21ce (automated)gVisor bot
2020-12-11Add local hooks for BuildKite.Adin Scannell
PiperOrigin-RevId: 347044353
2020-12-11Merge release-20201208.0-29-g3c673caf8 (automated)gVisor bot
2020-12-11Fix parser to include iterations.Zach Koopmans
PiperOrigin-RevId: 347038652
2020-12-11Merge release-20201208.0-28-gaf4afdc0e (automated)gVisor bot
2020-12-11[netstack] Decouple tcpip.ControlMessages from the IP control messges.Ayush Ranjan
tcpip.ControlMessages can not contain Linux specific structures which makes it painful to convert back and forth from Linux to tcpip back to Linux when passing around control messages in hostinet and raw sockets. Now we convert to the Linux version of the control message as soon as we are out of tcpip. PiperOrigin-RevId: 347027065
2020-12-11Merge release-20201208.0-27-ge0cde3fb8 (automated)gVisor bot
2020-12-11Ensure individual steps timeout in case of infinite hang.Adin Scannell
Also, add a basic release test. PiperOrigin-RevId: 347016796
2020-12-11Merge release-20201208.0-26-g73eccab91 (automated)gVisor bot
2020-12-11Make semctl IPC_INFO cmd return the index of highest used entry.Jing Chen
PiperOrigin-RevId: 346973338
2020-12-11Merge release-20201208.0-25-g0eb4acad3 (automated)gVisor bot
2020-12-10Fix website buildIan Lewis
Fix 'run' function call so that parameters are passed properly to the function. PiperOrigin-RevId: 346929952
2020-12-11Merge release-20201208.0-24-ge7279936e (automated)gVisor bot
2020-12-10Change merkle root file name to avoid collisionChong Cai
PiperOrigin-RevId: 346923826
2020-12-11Merge release-20201130.0-84-gbcb97a3bb (automated)gVisor bot
2020-12-10Disable host reassembly for fragments.Bhasker Hariharan
fdbased endpoint was enabling fragment reassembly on the host AF_PACKET socket to ensure that fragments are delivered inorder to the right dispatcher. But this prevents fragments from being delivered to gvisor at all and makes testing of gvisor's fragment reassembly code impossible. The potential impact from this is minimal since IP Fragmentation is not really that prevelant and in cases where we do get fragments we may deliver the fragment out of order to the TCP layer as multiple network dispatchers may process the fragments and deliver a reassembled fragment after the next packet has been delivered to the TCP endpoint. While not desirable I believe the impact from this is minimal due to low prevalence of fragmentation. Also removed PktType and Hatype fields when binding the socket as these are not used when binding. Its just confusing to have them specified. See: https://man7.org/linux/man-pages/man7/packet.7.html "Fields used for binding are sll_family (should be AF_PACKET), sll_protocol, and sll_ifindex." Fixes #5055 PiperOrigin-RevId: 346919439
2020-12-11Merge release-20201130.0-83-g28c3260d7 (automated)gVisor bot
2020-12-10Add simple guidelines & instructions for blog contributionIan Lewis
Modeled after knative's blog guidelines. https://github.com/knative/docs/blob/master/blog/README.md PiperOrigin-RevId: 346905713
2020-12-10Merge release-20201130.0-82-gdbc86593d (automated)gVisor bot
2020-12-10Fix typo in go template error messages.Dean Deng
PiperOrigin-RevId: 346878344
2020-12-10Merge release-20201130.0-81-ged0c7be61 (automated)gVisor bot
2020-12-10Proposal for runtime.DedicateOSThread().Jamie Liu
Updates #2184 PiperOrigin-RevId: 346875966
2020-12-10Merge release-20201130.0-80-g53a95ad0d (automated)gVisor bot
2020-12-10Use specified source address for IGMP/MLD packetsGhanan Gowripalan
This change also considers interfaces and network endpoints enabled up up to the point all work to disable them are complete. This was needed so that protocols can perform shutdown work while being disabled (e.g. sending a packet which requires the endpoint to be enabled to obtain a source address). Bug #4682, #4861 Fixes #4888 Startblock: has LGTM from peterjohnston and then add reviewer brunodalbo PiperOrigin-RevId: 346869702
2020-12-10Merge release-20201130.0-79-g01126d47f (automated)gVisor bot
2020-12-10Log window sizeTamir Duberstein
Without this change, this test produces quite opaque errors as valid TCP segments are not logged; what we see in the end is any random traffic that happened *after* the final TCP segment. PiperOrigin-RevId: 346864169
2020-12-10Merge release-20201130.0-78-g7fa0a57fc (automated)gVisor bot
2020-12-10Uncomment payload generationTamir Duberstein
PiperOrigin-RevId: 346852543
2020-12-10Merge release-20201130.0-77-g205015687 (automated)gVisor bot
2020-12-10Correctly align non-matching layersTamir Duberstein
PiperOrigin-RevId: 346840424
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