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2021-02-18Merge release-20210208.0-65-g1fc2c5f75 (automated)gVisor bot
2021-02-17Move Name() out of netstack Matcher. It can live in the sentry.Kevin Krakauer
PiperOrigin-RevId: 358078157
2021-02-18Merge release-20210208.0-64-gf051ec646 (automated)gVisor bot
2021-02-17Add gohacks.Slice/StringHeader.Jamie Liu
See https://github.com/golang/go/issues/19367 for rationale. Note that the upstream decision arrived at in that thread, while useful for some of our use cases, doesn't account for all of our SliceHeader use cases (we often use SliceHeader to extract pointers from slices in a way that avoids bounds checking and/or handles nil slices correctly) and also doesn't exist yet. PiperOrigin-RevId: 358071574
2021-02-17Merge release-20210208.0-63-g4bc7daf91 (automated)gVisor bot
2021-02-17Check for directory emptiness in VFS1 overlay rmdir().Jamie Liu
Note that this CL reorders overlayEntry.copyMu before overlayEntry.dirCacheMu in the overlayFileOperations.IterateDir() => readdirEntries() path - but this lock ordering is already required by overlayRemove/Bind() => overlayEntry.markDirectoryDirty(), so this actually just fixes an inconsistency. PiperOrigin-RevId: 358047121
2021-02-17Merge release-20210208.0-62-g3145fe1d1 (automated)gVisor bot
2021-02-17Use TCP_INFO to get RTO in tcp_retransmits_testNayana Bidari
- TCP_INFO is used to get the RTO instead of calculating it manually. PiperOrigin-RevId: 358032487
2021-02-17Merge release-20210208.0-61-g0e0bc3587 (automated)gVisor bot
2021-02-17Clean up test styleTamir Duberstein
- Wrap comments at 80 columns - Avoid duplicating the number of retries (5) - Reduce indentation - Use (*testing.T).Fatal rather than (*testing.T).Fatalf PiperOrigin-RevId: 358017412
2021-02-17Merge release-20210208.0-60-gd8590f633 (automated)gVisor bot
2021-02-17[infra] Split tcpip/integration test targets to aid investigation.Ayush Ranjan
tcpip integration tests have been flaky lately. They usually run in 20 seconds and have a 60 seconds timeout. Sometimes they timeout which could be due to a bug or deadlock. To further investigate it might be helpful to split the targets and see which test is causing the flake. Added a new tcpip/tests/utils package to hold all common utilities across all tests. PiperOrigin-RevId: 358012936
2021-02-17Merge release-20210208.0-59-g2f35fa14a (automated)gVisor bot
2021-02-17Deflake //test/iptables:iptables_testKevin Krakauer
We were opening dual-stack sockets, but tests only set iptables rules for a single network protocol. Thus, packets (probably sent by previous tests) could sneak in and break tests. Tested with: bazel test ///test/iptables:iptables_test --test_arg=--runtime=runsc --nocache_test_results --test_output=errors --runs_per_test=1000 --test_filter=TestFilterInputDropUDP PiperOrigin-RevId: 357972385
2021-02-13Merge release-20210208.0-58-g3ef012944 (automated)gVisor bot
2021-02-12Stop the control server only once.Adin Scannell
Operations are now shut down automatically by the main Stop command, and it is not necessary to call Stop during Destroy. Fixes #5454 PiperOrigin-RevId: 357295930
2021-02-12Merge release-20210208.0-57-g33c617cae (automated)gVisor bot
2021-02-12Remove packetimpact test tcp_reorderingNayana Bidari
Remove flaky tcp_reordering_test as it does not check reordering. We have added new reorder tests in tcp_rack_test.go PiperOrigin-RevId: 357278769
2021-02-12Merge release-20210208.0-56-g58a0a6690 (automated)gVisor bot
2021-02-12Rename params for iperf and tensorflow.Zach Koopmans
Rename operation params in iperf and tensorflow to match other similar benchmarks. PiperOrigin-RevId: 357250304
2021-02-12Merge release-20210208.0-55-gc99ad8d54 (automated)gVisor bot
2021-02-12Add reference to gsoc 2021 proposal page for website.Rahat Mahmood
PiperOrigin-RevId: 357241880
2021-02-12Merge release-20210208.0-54-gba51999fa (automated)gVisor bot
2021-02-12Fix bug with iperf and don't profile runc.Zach Koopmans
Fix issue with iperf where b.N wasn't changing across runs. Also, if the given runtime is runc/not given, don't run a profile against it. PiperOrigin-RevId: 357231450
2021-02-12Merge release-20210208.0-53-ga6d813ad5 (automated)gVisor bot
2021-02-12tests: getsockname expects that addrlen will be initializedAndrei Vagin
PiperOrigin-RevId: 357224877
2021-02-12Merge release-20210208.0-52-g845d0a65f (automated)gVisor bot
2021-02-11[rack] TLP: ACK Processing and PTO scheduling.Ayush Ranjan
This change implements TLP details enumerated in https://tools.ietf.org/html/draft-ietf-tcpm-rack-08#section-7.5.3 Fixes #5085 PiperOrigin-RevId: 357125037
2021-02-12Merge release-20210201.0-92-g34614c398 (automated)gVisor bot
2021-02-11Unconditionally check for directory-ness in overlay.filesystem.UnlinkAt().Jamie Liu
PiperOrigin-RevId: 357106080
2021-02-12Merge release-20210201.0-91-g91cf7b3ca (automated)gVisor bot
2021-02-11[netstack] Fix recovery entry and exit checks.Ayush Ranjan
Entry check: - Earlier implementation was preventing us from entering recovery even if SND.UNA is lost but dupAckCount is still below threshold. Fixed that. - We should only enter recovery when at least one more byte of data beyond the highest byte that was outstanding when fast retransmit was last entered is acked. Added that check. Exit check: - Earlier we were checking if SEG.ACK is in range [SND.UNA, SND.NXT]. The intention was to check if any unacknowledged data was ACKed. Note that (SEG.ACK - 1) is actually the sequence number which was ACKed. So we were incorrectly including (SND.UNA - 1) in the range. Fixed the check to now be (SEG.ACK - 1) in range [SND.UNA, SND.NXT). Additionally, moved a RACK specific test to the rack tests file. Added tests for the changes I made. PiperOrigin-RevId: 357091322
2021-02-12Merge release-20210201.0-90-g4314bb0b2 (automated)gVisor bot
2021-02-11Internal change.gVisor bot
PiperOrigin-RevId: 357090170
2021-02-12Merge release-20210201.0-89-gc39284f45 (automated)gVisor bot
2021-02-11Let sentry understand tcpip.ErrMalformedHeaderKevin Krakauer
Added a LINT IfChange/ThenChange check to catch this in the future. PiperOrigin-RevId: 357077564
2021-02-11Merge release-20210201.0-88-g2129dfff6 (automated)gVisor bot
2021-02-11iptables test: Implement testCase interface on pointersToshi Kikuchi
Implementing interfaces on value types causes the interface to be implemented by both the value type and the pointer type of the implementer. This complicates type assertion as it requires the assertion to check for both the pointer type and the value type. PiperOrigin-RevId: 357061063
2021-02-11Merge release-20210201.0-87-gc833eed80 (automated)gVisor bot
2021-02-11Implement semtimedop.Jing Chen
PiperOrigin-RevId: 357031904
2021-02-11Merge release-20210201.0-86-gae8d966f5 (automated)gVisor bot
2021-02-11Assign controlling terminal when tty is opened and support NOCTTYKevin Krakauer
PiperOrigin-RevId: 357015186
2021-02-11Merge release-20210201.0-85-g192780946 (automated)gVisor bot
2021-02-11Allow rt_sigaction in gofer seccompFabricio Voznika
rt_sigaction may be called by Go runtime when trying to panic: https://cs.opensource.google/go/go/+/master:src/runtime/signal_unix.go;drc=ed3e4afa12d655a0c5606bcf3dd4e1cdadcb1476;bpv=1;bpt=1;l=780?q=rt_sigaction&ss=go Updates #5038 PiperOrigin-RevId: 357013186
2021-02-11Merge release-20210201.0-84-g81ea0016e (automated)gVisor bot
2021-02-10Support setgid directories in tmpfs and kernfsKevin Krakauer
PiperOrigin-RevId: 356868412
2021-02-11Merge release-20210201.0-83-gff04d019e (automated)gVisor bot
2021-02-10RACK: Fix re-transmitting the segment twice when entering recovery.Nayana Bidari
TestRACKWithDuplicateACK is flaky as the reorder window can expire before receiving three duplicate ACKs which will result in sending the first unacknowledged segment twice: when reorder timer expired and again after receiving the third duplicate ACK. This CL will fix this behavior and will not resend the segment again if it was already re-transmittted when reorder timer expired. Update the TestRACKWithDuplicateACK to test that the first segment is considered as lost and is re-transmitted. PiperOrigin-RevId: 356855168
2021-02-11Merge release-20210201.0-82-g97a36d169 (automated)gVisor bot
2021-02-10Don't allow to umount the namespace root mountAndrei Vagin
Linux does the same thing. Reported-by: syzbot+6c79385c930c929d1d9e@syzkaller.appspotmail.com PiperOrigin-RevId: 356854562
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