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2020-11-13Merge release-20201030.0-81-gcf47c8b4a (automated)gVisor bot
2020-11-12Improve shim debug loggingFabricio Voznika
- Add log statements in service entry points. - Propagate `-debug` flag from shim invokation to the service - Load options when shim process is invoked to ensure runsc commands use the correct set of options, e.g. --debug --debug-logs=... - Add debug options to the shim configuration directly, so it doesn't rely on containerd configuration (and restart) to enable shim debug. - Save shim logs to dedicated file, so it's easier to read logs. They would be mixed with containerd logs and hard to distinguish otherwise. PiperOrigin-RevId: 342179868
2020-11-13Merge release-20201030.0-80-g638d64c63 (automated)gVisor bot
2020-11-12Change AllocationSize to SizeWithPadding as requestedJulian Elischer
RELNOTES: n/a PiperOrigin-RevId: 342176296
2020-11-13Merge release-20201030.0-79-g62db1fad2 (automated)gVisor bot
2020-11-12Fix misuses of kernel.Task as context.Context.Jamie Liu
kernel.Task can only be used as context.Context by that Task's task goroutine. This is violated in at least two places: - In any case where one thread accesses the /proc/[tid] of any other thread, passing the kernel.Task for [tid] as the context.Context is incorrect. - Task.rebuildTraceContext() may be called by Kernel.RebuildTraceContexts() outside the scope of any task goroutine. Fix these (as well as a data race on Task.traceContext discovered during the course of finding the latter). PiperOrigin-RevId: 342174404
2020-11-13Merge release-20201030.0-78-gf01f62387 (automated)gVisor bot
2020-11-12Add children names into verity hashChong Cai
children names map can be used to verify whether a child is expected during walking, so that we can detect unexpected modifications that deleted/renamed both the target file and the corresponding merkle tree file. PiperOrigin-RevId: 342170715
2020-11-13Merge release-20201030.0-77-gd700ba22a (automated)gVisor bot
2020-11-12Pad with a loop rather than a copy from an allocation.Julian Elischer
Add a unit test for ipv4.Encode and a round trip test. PiperOrigin-RevId: 342169517
2020-11-13Merge release-20201030.0-76-g74be0dd0d (automated)gVisor bot
2020-11-12Remove TESTONLY tag from vfs2 flagFabricio Voznika
Updates #1035 PiperOrigin-RevId: 342168926
2020-11-13Merge release-20201030.0-75-g468caff45 (automated)gVisor bot
2020-11-12Rename kernel.TaskContext to kernel.TaskImage.Jamie Liu
This reduces confusion with context.Context (which is also relevant to kernel.Tasks) and is consistent with existing function kernel.LoadTaskImage(). PiperOrigin-RevId: 342167298
2020-11-13Merge release-20201030.0-74-g1a972411b (automated)gVisor bot
2020-11-12Move packet handling to NetworkEndpointGhanan Gowripalan
The NIC should not hold network-layer state or logic - network packet handling/forwarding should be performed at the network layer instead of the NIC. Fixes #4688 PiperOrigin-RevId: 342166985
2020-11-13Merge release-20201030.0-73-gae7ab0a33 (automated)gVisor bot
2020-11-12Filter dentries with non-zero refs in VFS2 gofer/overlay checks.Jamie Liu
PiperOrigin-RevId: 342161204
2020-11-13Merge release-20201030.0-72-g2a1974b07 (automated)gVisor bot
2020-11-12[infra] Do not use debug flags for testing.Ayush Ranjan
This causes some networking related tests to take a very long time. Upon failure, tests can be manually run with debug flags to debug. As is the strace logs are not available from a test run. PiperOrigin-RevId: 342156294
2020-11-13Merge release-20201030.0-71-ga47d38495 (automated)gVisor bot
2020-11-12Refactor merkletree testsChong Cai
Separate the test cases from TestVerify so that the test names reflect the test case better. PiperOrigin-RevId: 342152754
2020-11-12Merge release-20201030.0-70-gac62743e3 (automated)gVisor bot
2020-11-11Read fsimpl/tmpfs timestamps atomically.Jamie Liu
PiperOrigin-RevId: 341982672
2020-11-12Merge release-20201030.0-69-g447452fb1 (automated)gVisor bot
2020-11-11Add documentation for reference counting.Dean Deng
Fixes #1486. PiperOrigin-RevId: 341966640
2020-11-11Merge release-20201030.0-68-g9c4102896 (automated)gVisor bot
2020-11-11Teach netstack how to add options to IPv4 packetsJulian Elischer
Most packets don't have options but they are an integral part of the standard. Teaching the ipv4 code how to handle them will simplify future testing and use. Because Options are so rare it is worth making sure that the extra work is kept out of the fast path as much as possible. Prior to this change, all usages of the IHL field of the IPv4Fields/Encode system set it to the same constant value except in a couple of tests for bad values. From this change IHL will not be a constant as it will depend on the size of any Options. Since ipv4.Encode() now handles the options it becomes a possible source of errors to let the callers set this value, so remove it entirely and calculate the value from the size of the Options if present (or not) therefore guaranteeing a correct value. Fixes #4709 RELNOTES: n/a PiperOrigin-RevId: 341864765
2020-11-11Merge release-20201030.0-67-g792cbc06d (automated)gVisor bot
2020-11-10Add debug logs to startup benchmark.Zach Koopmans
PiperOrigin-RevId: 341757694
2020-11-11Merge release-20201030.0-66-g7f2183df9 (automated)gVisor bot
2020-11-10Internal changeJamie Liu
PiperOrigin-RevId: 341732791
2020-11-10Merge release-20201030.0-65-ga0e2966df (automated)gVisor bot
2020-11-10Show run-benchmark output.Adin Scannell
PiperOrigin-RevId: 341667792
2020-11-10Merge release-20201030.0-64-g267d18408 (automated)gVisor bot
2020-11-10Add all base and fs tests to Continuous Tests.Zach Koopmans
PiperOrigin-RevId: 341660511
2020-11-10Merge release-20201030.0-63-ge998b9904 (automated)gVisor bot
2020-11-10Add logging to internal gvisor when checking for kcov.Dean Deng
May help with debugging https://syzkaller.appspot.com/bug?id=0d717bd7028dceeb4b38f09aab2841c398b41d81 PiperOrigin-RevId: 341640485
2020-11-10Merge release-20201030.0-62-g3b353ff0e (automated)gVisor bot
2020-11-09Additions to ICMP and IPv4 parsersJulian Elischer
Teach ICMP.Parser/ToBytes to handle some non echo ICMP packets. Teach IPv4.Parser that fragments only have a payload, not an upper layer. Fix IPv4 and IPv6 reassembly tests to handle the change. Fixes #4758 PiperOrigin-RevId: 341549665
2020-11-10Merge release-20201030.0-61-gb2d5b71ec (automated)gVisor bot
2020-11-09Evaluate T as a shell variable, not a Make variable.Adin Scannell
PiperOrigin-RevId: 341531230
2020-11-09Merge release-20201030.0-60-g199fcd0fe (automated)gVisor bot
2020-11-09Skip `EventHUp` notify in `FIN_WAIT2` on a socket close.Mithun Iyer
This Notify was added as part of cl/279106406; but notifying `EventHUp` in `FIN_WAIT2` is incorrect, as we want to only notify later on `TIME_WAIT` or a reset. However, we do need to notify any blocked waiters of an activity on the endpoint with `EventIn`|`EventOut`. PiperOrigin-RevId: 341490913
2020-11-09Merge release-20201030.0-59-g2fcca60a7 (automated)gVisor bot
2020-11-09net: connect to the ipv4 localhost returns ENETUNREACH if the address isn't setAndrei Vagin
cl/340002915 modified the code to return EADDRNOTAVAIL if connect is called for a localhost address which isn't set. But actually, Linux returns EADDRNOTAVAIL for ipv6 addresses and ENETUNREACH for ipv4 addresses. Updates #4735 PiperOrigin-RevId: 341479129
2020-11-09Merge release-20201030.0-58-gc59bdd18d (automated)gVisor bot
2020-11-09parameterize regexp in netdevs.ParseDevicesZeling Feng
PiperOrigin-RevId: 341470647
2020-11-09Merge release-20201030.0-57-gcbca5b2ed (automated)gVisor bot
2020-11-09Print a debug message if /sys/kernel/debug/kcov is availableAndrei Vagin
This will help to debug: https://syzkaller.appspot.com/bug?id=0d717bd7028dceeb4b38f09aab2841c398b41d81 PiperOrigin-RevId: 341458715
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