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2021-10-07Merge release-20210927.0-46-g3517d070c (automated)gVisor bot
2021-10-07Track UDP packets performing REDIRECT NATGhanan Gowripalan
PiperOrigin-RevId: 401620449
2021-10-07Merge release-20210927.0-45-g113009f3d (automated)gVisor bot
2021-10-07Modify the TCP test to receive re-transmitted packet before sending ACK.Nayana Bidari
TestRACKWithWindowFull was sending ACK for the last packet to avoid TLP. But, sometimes the ACK is delayed and the sender sends the re-transmitted packet before receiving ACK. The test is now modified to expect the re-transmitted packet always and then send a DSACK to avoid entering recovery. Before: http://sponge2/6473db18-137a-4afb-9d60-c3eafd236ea9 After: http://sponge2/6a0f744c-7ea3-40fa-8f76-68503bf142ca PiperOrigin-RevId: 401606848
2021-10-07Merge release-20210927.0-44-ga7045f051 (automated)gVisor bot
2021-10-07Store timestamps as time.TimeTamir Duberstein
Rather than boiling down to an integer eagerly, do it as late as possible. PiperOrigin-RevId: 401599308
2021-10-06Merge release-20210927.0-43-gd93c3c2ef (automated)gVisor bot
2021-10-06Wrap testing.MainStart to work around upcoming signature change.Nicolas Lacasse
Go1.18 is changing the signature of testing.MainStart. To ensure compatibility, we wrap MainStart and different implementations for versions before/after Go1.18. PiperOrigin-RevId: 401362668
2021-10-06Merge release-20210927.0-42-gdd74503b8 (automated)gVisor bot
2021-10-06Create null entry connection on first IPTables hookGhanan Gowripalan
...all connections should be tracked by ConnTrack, so create a no-op connection entry on the first hook into IPTables (Prerouting or Output) and let NAT targets modify the connection entry if they need to instead of letting the NAT target create their own connection entry. This also prepares for "twice-NAT" where a packet may have both DNAT and SNAT performed on it (which requires the ability to update ConnTrack entries). Updates #5696. PiperOrigin-RevId: 401360377
2021-10-06Merge release-20210927.0-41-ga25911549 (automated)gVisor bot
2021-10-06Add global lisafs kernel flag.Ayush Ranjan
PiperOrigin-RevId: 401296116
2021-10-06Merge release-20210927.0-40-gcb0ae997f (automated)gVisor bot
2021-10-06Merge pull request #6700 from avagin:readme-installgVisor bot
PiperOrigin-RevId: 401278851
2021-10-06Merge release-20210927.0-38-g36a90f10f (automated)gVisor bot
2021-10-06Clarify incorrect behavior on gVisorTamir Duberstein
Linux prevents setting `IP_MULTICAST_IF` to a device when `SO_BINDTODEVICE` is set to another device. gVsior allows this. PiperOrigin-RevId: 401267471
2021-10-06Merge release-20210927.0-37-g7d52f6df6 (automated)gVisor bot
2021-10-06Clarify incorrect behavior on gVisorTamir Duberstein
gVisor is a strong host, preventing packets from being sent from a device using the another device's address as the source. Linux is a weak host which allows this. Updates #6686. PiperOrigin-RevId: 401260128
2021-10-06Merge release-20210927.0-36-g158372f04 (automated)gVisor bot
2021-10-06Do not skip IPv6 tests when we don't have IPv4Tamir Duberstein
PiperOrigin-RevId: 401251635
2021-10-06Merge release-20210927.0-35-ge104c1c47 (automated)gVisor bot
2021-10-05Merge pull request #6687 from zchee:atomicbitops-nosplitgVisor bot
PiperOrigin-RevId: 401152818
2021-10-06Merge release-20210927.0-33-g5db00ecd9 (automated)gVisor bot
2021-10-05Centralize skip logicTamir Duberstein
- Inline `IfAddrHelper` into its sole user - Implement pretty-printing `sockaddr_ll` - Make test class members private, add const accessors - Log all interface addresses on SetUp for b/137899561 Simplify some things while I'm here. PiperOrigin-RevId: 401112402
2021-10-05Fix "Installing from source" instructionsAndrei Vagin
Fixes #6387
2021-10-05Merge release-20210927.0-32-g84063e88c (automated)gVisor bot
2021-10-05Add server implementation for sharedmem endpoints.Bhasker Hariharan
PiperOrigin-RevId: 401088040
2021-10-05Merge release-20210927.0-31-g6f6cf522e (automated)gVisor bot
2021-10-05Merge pull request #6689 from avagin:bazel-updategVisor bot
PiperOrigin-RevId: 401053179
2021-10-05Merge release-20210927.0-29-g499a1033d (automated)gVisor bot
2021-10-05Enable passing syscall testsTamir Duberstein
PiperOrigin-RevId: 400952164
2021-10-04Update bazel packagesAndrei Vagin
2021-10-04Merge release-20210927.0-28-g6c1237da0 (automated)gVisor bot
2021-10-04Reply to invalid ACKs even when accept queue is fullArthur Sfez
Before checking if there is space in the accept queue, the listener should verify that the cookie is valid. If it is not, instead of silently dropping the packet, reply with an RST. Fixes #6683 PiperOrigin-RevId: 400807346
2021-10-04Merge release-20210921.0-59-g429821b0a (automated)gVisor bot
2021-10-04Test listener receiving an invalid ACK while the accept queue is fullArthur Sfez
Updates #6683 PiperOrigin-RevId: 400745768
2021-10-04No split to assembly and noasm functions on atomicbitops packageKoichi Shiraishi
Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>
2021-10-02Merge release-20210921.0-58-g3bab5e566 (automated)gVisor bot
2021-10-01Read lock when getting connectionsGhanan Gowripalan
We should avoid taking the write lock to avoid contention when looking for a packet's tracked connection. No need to reap timed out connections when looking for connections as the reaper (which runs periodically) will handle that. PiperOrigin-RevId: 400322514
2021-10-01Merge release-20210921.0-57-g51c4fbb84 (automated)gVisor bot
2021-10-01Drop ConnTrack.handlePacketGhanan Gowripalan
Move the hook specific logic to the IPTables hook functions. This lets us avoid having to perform checks on the hook to determine what action to take. Later changes will drop the need for handlePacket's return value, reducing the value of this function that all hooks call into. PiperOrigin-RevId: 400298023
2021-10-01Merge release-20210921.0-56-g6e83c4b75 (automated)gVisor bot
2021-10-01Drop conn.tcbHookGhanan Gowripalan
...as the packet's direction gives us the information that tcbHook is used to derive. PiperOrigin-RevId: 400280102
2021-10-01Merge release-20210921.0-55-g8603cce51 (automated)gVisor bot
2021-10-01Annotate checklocks on mutex protected fieldsGhanan Gowripalan
...to catch lock-related bugs in nogo tests. Updates #6566. PiperOrigin-RevId: 400265818
2021-10-01Merge release-20210921.0-54-geac4d9ab2 (automated)gVisor bot
2021-10-01Merge pull request #6551 from sudo-sturbia:msgqueue/procfsgVisor bot
PiperOrigin-RevId: 400258924
2021-10-01Merge release-20210921.0-52-g788bbc290 (automated)gVisor bot
2021-10-01Drop IPTables.checkPacketsGhanan Gowripalan
...and have `CheckOutputPackets`, `CheckPostroutingPackets` call their equivalent methods that operate on a single packet buffer directly. This is so that the `Check{Output, Postrouting}Packets` methods may leverage any hook-specific work that `Check{Output, Postrouting}` may perform. Note: Later changes will add hook-specific logic to the `Check{Output, Postrouting}` methods. PiperOrigin-RevId: 400255651
2021-10-01Merge release-20210921.0-51-g807337000 (automated)gVisor bot
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