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2021-01-07Fix tuntap_test to cleanup after CreateInterfaceNoCapMithun Iyer
PiperOrigin-RevId: 350646249
2021-01-07netstack: Refactor tcpip.Endpoint.ReadTing-Yu Wang
Read now takes a destination io.Writer, count, options. Keeping the method name Read, in contrast to the Write method. This enables: * direct transfer of views under VV * zero copy It also eliminates the need for sentry to keep a slice of view because userspace had requested a read that is smaller than the view returned, removing the complexity there. Read/Peek/ReadPacket are now consolidated together and some duplicate code is removed. PiperOrigin-RevId: 350636322
2021-01-07Fix native benchmarks.Adin Scannell
PiperOrigin-RevId: 350509137
2021-01-06Run external networking testKevin Krakauer
PiperOrigin-RevId: 350438564
2021-01-06Support add/remove IPv6 multicast group sock optGhanan Gowripalan
IPv4 was always supported but UDP never supported joining/leaving IPv6 multicast groups via socket options. Add: IPPROTO_IPV6, IPV6_JOIN_GROUP/IPV6_ADD_MEMBERSHIP Remove: IPPROTO_IPV6, IPV6_LEAVE_GROUP/IPV6_DROP_MEMBERSHIP Test: integration_test.TestUDPAddRemoveMembershipSocketOption PiperOrigin-RevId: 350396072
2021-01-05Don't check that msg_flags contains MSG_ERRQUEUE on gvisor platforms.Andrei Vagin
PiperOrigin-RevId: 350246333
2021-01-05Add benchmarks targets to BuildKite.Adin Scannell
This includes minor fix-ups: * Handle SIGTERM in runsc debug, to exit gracefully. * Fix cmd.debug.go opening all profiles as RDONLY. * Fix the test name in fio_test.go, and encode the block size in the test. PiperOrigin-RevId: 350205718
2021-01-05fs/fuse: check that a task has a specified file descriptorAndrei Vagin
Reported-by: syzbot+814105309d2ae8651084@syzkaller.appspotmail.com PiperOrigin-RevId: 350159452
2020-12-30Add test for open(2) with O_WRONLY|O_RDWR.Dean Deng
PiperOrigin-RevId: 349607959
2020-12-29Deflake TestBindOverlay in //test/e2e:integration_testTing-Yu Wang
Test failure happens when `echo` writes late: * Server nc shuts down write when it sees EOF from stdin. * Client nc closes the connection when it detects EOF from socket and no data in internal write buffer. Using `-q` flag to make server not shutting down write in the beginning, while letting connection to be closed by client. As `-q` flag's default value varies in different netcat versions, we always specify it to prevent future breakage. PiperOrigin-RevId: 349504016
2020-12-29Simplify profiling and benchmarks.Adin Scannell
- Tweak the benchmarks to work with b.N where appropriate. In many cases, b.N was simply being ignored. This creates an implicit dependency in the user passing a reasonable benchtime (less than or equal to the actual runtime of the test, or using the X syntax) otherwise the test runs forever. - In cases where the above is impossible, explicitly set benchtime from the test wrapper, to prevent the above behavior (tensorflow). - Drop the *Reverse variants, which are simply hey benchmarks. We should just add a hey benchmark. The platforms benchmarks already include a native platform, and thus these benchmarks are incredibly confusing. (In other words, BenchmarkNginxReverse has nothing to do with an nginx benchmark for runsc.) - Remove the redunant Harness object, which contains no state, in order to slightly simplify the code. - Make Block and Heap profiling actually work, but setting appropriate runtime parameters (and plumbing them through the config). - Split the profiling into two phases: start and stop, since some will need to be started early, and others will need to happen at the end. PiperOrigin-RevId: 349495377
2020-12-29Deflake semaphore_test_nativeJing Chen
PiperOrigin-RevId: 349490873
2020-12-29Export socket_ipv6_udp_unbound_loopback.ccTamir Duberstein
PiperOrigin-RevId: 349458984
2020-12-28Merge pull request #5166 from kevinGC:bk-warningsgVisor bot
PiperOrigin-RevId: 349314945
2020-12-23Resolve compiler warningsKevin Krakauer
The buildkite syscall tests start with a lot of C++ warnings. This cleans that up a little.
2020-12-23vfs1: don't allow to open socket filesAndrei Vagin
open() has to return ENXIO in this case. O_PATH isn't supported by vfs1. PiperOrigin-RevId: 348820478
2020-12-22Internal change.gVisor bot
PiperOrigin-RevId: 348720223
2020-12-17Internal change.gVisor bot
PiperOrigin-RevId: 348089449
2020-12-17Fix seek on /proc/pid/cmdline when task is zombie.Nicolas Lacasse
PiperOrigin-RevId: 348056159
2020-12-17[netstack] Implement IP(V6)_RECVERR socket option.Ayush Ranjan
PiperOrigin-RevId: 348055514
2020-12-17Set max memory not minFabricio Voznika
Closes #5048 PiperOrigin-RevId: 348050472
2020-12-16Ensure correctness of saved receive windowMithun Iyer
When the scaled receive window size > 65535 (max uint16), we advertise the scaled value as 65535, but are not adjusting the saved receive window value when doing so. This would keep our current window calculation logic to be incorrect, as the saved receive window value is different from what was advertised. Fixes #4903 PiperOrigin-RevId: 347771340
2020-12-15Implement command SEM_INFO and SEM_STAT for semctl.Jing Chen
PiperOrigin-RevId: 347711998
2020-12-15Fix error code for connect in raw sockets.Nayana Bidari
PiperOrigin-RevId: 347650354
2020-12-14[netstack] Update raw socket and hostinet control message parsing.Ayush Ranjan
There are surprisingly few syscall tests that run with hostinet. For example running the following command only returns two results: `bazel query test/syscalls:all | grep hostnet` I think as a result, as our control messages evolved, hostinet was left behind. Update it to support all control messages netstack supports. This change also updates sentry's control message parsing logic to make it up to date with all the control messages we support. PiperOrigin-RevId: 347508892
2020-12-14Move SO_ERROR and SO_OOBINLINE option to socketops.Nayana Bidari
SO_OOBINLINE option is set/get as boolean value, which is the same as linux. As we currently do not support disabling this option, we always return it as true. PiperOrigin-RevId: 347413905
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
2020-12-11Fix 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
2020-12-11Fix 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
2020-12-11Adjust 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
2020-12-11Remove existing nogo exceptions.Adin Scannell
PiperOrigin-RevId: 347047550
2020-12-11Make semctl IPC_INFO cmd return the index of highest used entry.Jing Chen
PiperOrigin-RevId: 346973338
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
2020-12-10Uncomment payload generationTamir Duberstein
PiperOrigin-RevId: 346852543
2020-12-10Correctly align non-matching layersTamir Duberstein
PiperOrigin-RevId: 346840424
2020-12-10Correctly print non-matching layersTamir Duberstein
PiperOrigin-RevId: 346818310
2020-12-09Add support for IP_RECVORIGDSTADDR IP option.Bhasker Hariharan
Fixes #5004 PiperOrigin-RevId: 346643745
2020-12-09Add network benchmarks jobsZach Koopmans
Add httpd, nginx, node, and ruby benchmarks to continuous jobs. PiperOrigin-RevId: 346629115
2020-12-09Add tensorflow, ffmpeg, and redis jobs.Zach Koopmans
PiperOrigin-RevId: 346603153
2020-12-09Refactor the Makefile to avoid recursive Make.Adin Scannell
Recursive make is difficult to follow and debug. Drop this by using internal functions, which, while difficult, are easier than trying to following recursive invokations. Further simplify the Makefile by collapsing the image bits and removing the tools/vm directory, which is effectively unused. Fixes #4952 PiperOrigin-RevId: 346569133
2020-12-09export MountTempDirectoryZeling Feng
PiperOrigin-RevId: 346487763
2020-12-08Run tcpdump as rootTamir Duberstein
Prior to this change tcpdump would fail to create its output file because the destination directory was owned by root. This would later cause killall to fail, as tcpdump was not running. Check exit code of tcpdump/tshark to produce better error messages should this regress. PiperOrigin-RevId: 346353911
2020-12-08Consolidate sniffer program logicTamir Duberstein
Avoid action at a distance where both `snifferArgs` and `snifferProg` must stay in sync. PiperOrigin-RevId: 346341231
2020-12-07Fix error handling on fusefs mount.Rahat Mahmood
Don't propagate arbitrary golang errors up from fusefs because errors that don't map to an errno result in a sentry panic. Reported-by: syzbot+697cb635346e456fddfc@syzkaller.appspotmail.com PiperOrigin-RevId: 346220306
2020-12-07Remove detritusTamir Duberstein
- Remove unused constants - Correct function doc comment - Remove useless cast - Restore comment removed in an earlier change PiperOrigin-RevId: 346205943
2020-12-07Fix tags on benchmark targets.Zach Koopmans
PiperOrigin-RevId: 346203209
2020-12-07Avoid shadowing `testbench` packageTamir Duberstein
PiperOrigin-RevId: 346109185
2020-12-07Support icmpv6 transport protocolPeter Johnston
PiperOrigin-RevId: 346101076
2020-12-06Merge pull request #4932 from lubinszARM:pr_test_exceptionsgVisor bot
PiperOrigin-RevId: 345976554
2020-12-05Fix zero receive window advertisements.Mithun Iyer
With the recent changes db36d948fa63ce950d94a5e8e9ebc37956543661, we try to balance the receive window advertisements between payload lengths vs segment overhead length. This works fine when segment size are much higher than the overhead, but not otherwise. In cases where the segment length is smaller than the segment overhead, we may end up not advertising zero receive window for long time and end up tail-dropping segments. This is especially pronounced when application socket reads are slow or stopped. In this change we do not grow the right edge of the receive window for smaller segment sizes similar to Linux. Also, we keep track of the socket buffer usage and let the window grow if the application is actively reading data. Fixes #4903 PiperOrigin-RevId: 345832012
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