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2021-10-08Merge release-20210927.0-52-g34e68b6b4 (automated)gVisor bot
2021-10-08Remove redundant slice copy in lisafs gofer client.Ayush Ranjan
listXattr() was doing redundant work. Remove it. PiperOrigin-RevId: 401871315
2021-10-08Merge release-20210927.0-51-gda41ecc5b (automated)gVisor bot
2021-10-08Disallow "trusted" namespace xattr in VFS2 gofer client.Ayush Ranjan
Allowing this namespace makes way for a lot of GetXattr RPCs to the gofer process when the gofer filesystem is the lower layer of an overlay. The overlay filesystem aggressively queries for "trusted.overlay.opaque" which in practice is never found in the lower layer gofer. But leads to a lot of wasted work. A consequence is that mutable gofer upper layer is not supported anymore but that is still consistent with VFS1. We can revisit when need arises. PiperOrigin-RevId: 401860585
2021-10-08Merge release-20210927.0-50-ge44b10065 (automated)gVisor bot
2021-10-07add convenient wrapper for eventfdKevin Krakauer
The same create/write/read pattern is copied around several places. It's easier to understand in a package with names and comments, and we can reuse the smart blocking code in package rawfile. PiperOrigin-RevId: 401647108
2021-10-07Merge release-20210927.0-49-g487651ac4 (automated)gVisor bot
2021-10-07Add a new metric to detect the number of spurious loss recoveries.Nayana Bidari
- Implements RFC 3522 (Eifel detection algorithm) to detect if the connection entered loss recovery unnecessarily. - Added a new metric to count the total number of spurious loss recoveries. - Added tests to verify the new metric. PiperOrigin-RevId: 401637359
2021-10-07Merge release-20210927.0-48-g0743a862e (automated)gVisor bot
2021-10-07Update compat list for tcpdump.Bhasker Hariharan
A libpcap change broke tcpdump support in gvisor. As a result tcpdump w/ libpcap> 1.10 fails with gvisor. Updates #6664, #6699 PiperOrigin-RevId: 401633061
2021-10-07Merge release-20210927.0-47-g710e51372 (automated)gVisor bot
2021-10-07tests: use a proper path to the kvm deviceAndrei Vagin
PiperOrigin-RevId: 401624134
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
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