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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
2021-02-11Merge release-20210201.0-81-g96d3b3188 (automated)gVisor bot
2021-02-10Fix broken IFTTT link in tcpip.Ayush Ranjan
PiperOrigin-RevId: 356852625
2021-02-10Merge release-20210201.0-80-g36e4100a2 (automated)gVisor bot
2021-02-10Update benchmarks README.mdZach Koopmans
PiperOrigin-RevId: 356843249
2021-02-10Merge release-20210201.0-79-g380ede9b7 (automated)gVisor bot
2021-02-10Retry RST expectation in tcp_synrcvd_reset_testMithun Iyer
Deflake this test by retransmitting the ACK and retrying RST expectation after the supposed state transition to CLOSED. This gives time for the state transition to complete. Without such a retransmit from the test, the ACK could get silently dropped by the listener when the passively connecting endpoint has not yet completely updated the state (in gVisor this would be endpoint state and decrement of synRcvdCount). PiperOrigin-RevId: 356825562
2021-02-10Merge release-20210201.0-78-gc2f204658 (automated)gVisor bot
2021-02-10Add proposal for io_uring project.Rahat Mahmood
PiperOrigin-RevId: 356807933
2021-02-10Merge release-20210201.0-77-g458bf12c1 (automated)gVisor bot
2021-02-10Internal change.Matt LaPlante
PiperOrigin-RevId: 356784956
2021-02-10Merge release-20210201.0-76-g1ac58cc23 (automated)gVisor bot
2021-02-10Add mitigate command to runscZach Koopmans
PiperOrigin-RevId: 356772367
2021-02-10Merge release-20210201.0-75-gb9db7db3b (automated)gVisor bot
2021-02-10Merge pull request #5267 from lubinszARM:pr_usr_lazy_fpgVisor bot
PiperOrigin-RevId: 356762859
2021-02-10Merge release-20210201.0-72-g298c129cc (automated)gVisor bot
2021-02-09Add support for setting SO_SNDBUF for unix domain sockets.Bhasker Hariharan
The limits for snd/rcv buffers for unix domain socket is controlled by the following sysctls on linux - net.core.rmem_default - net.core.rmem_max - net.core.wmem_default - net.core.wmem_max Today in gVisor we do not expose these sysctls but we do support setting the equivalent in netstack via stack.Options() method. But AF_UNIX sockets in gVisor can be used without netstack, with hostinet or even without any networking stack at all. Which means ideally these sysctls need to live as globals in gVisor. But rather than make this a big change for now we hardcode the limits in the AF_UNIX implementation itself (which in itself is better than where we were before) where it SO_SNDBUF was hardcoded to 16KiB. Further we bump the initial limit to a default value of 208 KiB to match linux from the paltry 16 KiB we use today. Updates #5132 PiperOrigin-RevId: 356665498
2021-02-10Merge release-20210201.0-71-g2de36e44e (automated)gVisor bot
2021-02-09Make RPCTimeout for udp_send_recv_dgram to be 500 milliseconds.Zeling Feng
The test will sometimes fail on Bind calls using the old RPCTimeout. PiperOrigin-RevId: 356646668
2021-02-10Merge release-20210201.0-70-gf6de413c3 (automated)gVisor bot
2021-02-09Add cleanup TODO for integer-based proc files.Dean Deng
PiperOrigin-RevId: 356645022
2021-02-10Merge release-20210201.0-69-gc41583fb2 (automated)gVisor bot
2021-02-09Update and tidy Go modulesTamir Duberstein
PiperOrigin-RevId: 356624256
2021-02-09Merge release-20210201.0-68-g0f84ea5af (automated)gVisor bot
2021-02-09Fix fd leak from testFabricio Voznika
PiperOrigin-RevId: 356587965
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