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2020-12-07Merge release-20201130.0-57-g0e5ba13b3 (automated)gVisor bot
2020-12-07Remove stale commentSam Balana
Removes comment lines about MaxUnsolicitedReportDelay. This is already documented in the comment for GenericMulticastProtocolOptions. PiperOrigin-RevId: 346185053
2020-12-07Merge release-20201130.0-56-gd574666de (automated)gVisor bot
2020-12-07Merge pull request #4908 from lubinszARM:pr_kvm_ext_dabtgVisor bot
PiperOrigin-RevId: 346143528
2020-12-07Merge release-20201130.0-54-g7527371f0 (automated)gVisor bot
2020-12-07Merge pull request #4874 from zhlhahaha:2022gVisor bot
PiperOrigin-RevId: 346134026
2020-12-07Merge release-20201130.0-52-g432964d03 (automated)gVisor bot
2020-12-07Avoid shadowing `testbench` packageTamir Duberstein
PiperOrigin-RevId: 346109185
2020-12-07Merge release-20201130.0-51-gb28dc25ae (automated)gVisor bot
2020-12-07Remove p9.fidRef.openedMuMichael Pratt
openedMu has lock ordering violations. Most locks go through OpenedFlag(), which is usually taken after renameMu and opMu. On the other hand, Tlopen takes openedMu before renameMu and opMu (via safelyRead). Resolving this violation is simple: just drop openedMu. The opened and openFlags fields are already protected by opMu in most cases, renameMu (for write) in one case (via safelyGlobal), and only in doWalk by neither. This is a bit ugly because opMu is supposed to be a "semantic" lock, but it works. I'm open to other suggestions. Note that doWalk has a race condition where a FID may open after the open check but before actually walking. This race existed before this change as well; it is not clear if it is problematic. PiperOrigin-RevId: 346108483
2020-12-07Merge release-20201130.0-50-geeb23531e (automated)gVisor bot
2020-12-07Support icmpv6 transport protocolPeter Johnston
PiperOrigin-RevId: 346101076
2020-12-06Merge release-20201130.0-49-ga97ceec01 (automated)gVisor bot
2020-12-06Merge pull request #4932 from lubinszARM:pr_test_exceptionsgVisor bot
PiperOrigin-RevId: 345976554
2020-12-05Merge release-20201130.0-47-g3075ede86 (automated)gVisor bot
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
2020-12-05Merge release-20201130.0-46-gdf2dbe3e3 (automated)gVisor bot
2020-12-04Remove stack.ReadOnlyAddressableEndpointStateGhanan Gowripalan
Startblock: has LGTM from asfez and then add reviewer tamird PiperOrigin-RevId: 345815146
2020-12-05Merge release-20201130.0-45-gb80021afd (automated)gVisor bot
2020-12-04Overlay runsc regular file mounts with regular files.Jamie Liu
Fixes #4991 PiperOrigin-RevId: 345800333
2020-12-05Merge release-20201130.0-44-g8a45c8161 (automated)gVisor bot
2020-12-04Allow use of SeqAtomic with pointer-containing types.Jamie Liu
Per runtime.memmove, pointers are always copied atomically, as this is required by the GC. (Also, the init() safety check doesn't work because it gets renamed to <prefix>init() by template instantiation.) PiperOrigin-RevId: 345800302
2020-12-04Merge release-20201130.0-43-g7a1de8583 (automated)gVisor bot
2020-12-04Remove invalid test case.Adin Scannell
The next test case is perfectly valid, which creates a test directory with appropriate permissions and ensures that you can't create a file. This test case assumes that the root directory has certain permissions. In this case, we may have EROFS instead of a permission error, but it's perfectly plausible that no error occurs at all. The test is not valid. PiperOrigin-RevId: 345764412
2020-12-04Merge release-20201130.0-42-g216abfb6d (automated)gVisor bot
2020-12-04Update containerd tests for 1.4+ to 1.4.3.Adin Scannell
PiperOrigin-RevId: 345764404
2020-12-04Merge release-20201130.0-41-g1371b73b4 (automated)gVisor bot
2020-12-04Initialize has_tid for correctness.Adin Scannell
PiperOrigin-RevId: 345763209
2020-12-04Merge release-20201130.0-40-g4b198b18e (automated)gVisor bot
2020-12-04Fix load-benchmarks-images call.Zach Koopmans
make load-benchmarks-images is empty with the deleted line. PiperOrigin-RevId: 345741855
2020-12-04Merge release-20201130.0-39-gfd28ccfaa (automated)gVisor bot
2020-12-04Introduce IPv4 options serializer and add RouterAlert to IGMPBruno Dal Bo
PiperOrigin-RevId: 345701623
2020-12-04Merge release-20201130.0-38-g5c1670756 (automated)gVisor bot
2020-12-04Avoid fallocate(FALLOC_FL_PUNCH_HOLE) when ManualZeroing is in effect.Jamie Liu
PiperOrigin-RevId: 345696124
2020-12-04Merge release-20201130.0-37-g6708c8c97 (automated)gVisor bot
2020-12-04Require sync.RWMutex to lock and unlock from the same goroutineMichael Pratt
This is the RWMutex equivalent to the preceding sync.Mutex CL. Updates #4804 PiperOrigin-RevId: 345681051
2020-12-04Merge release-20201130.0-36-ga78cef0ed (automated)gVisor bot
2020-12-03Implement command IPC_INFO for semctl.Jing Chen
PiperOrigin-RevId: 345589628
2020-12-04Merge release-20201130.0-35-g9eb77281c (automated)gVisor bot
2020-12-03Update containerd to 1.3.9Fabricio Voznika
PiperOrigin-RevId: 345564927
2020-12-03Merge release-20201130.0-34-gcae3149b2 (automated)gVisor bot
2020-12-03Internal change.gVisor bot
PiperOrigin-RevId: 345538979
2020-12-03Merge release-20201130.0-33-gbec8cea65 (automated)gVisor bot
2020-12-03Surface usage message for `runsc do`.Dean Deng
c.Usage() only returns a string; f.Usage() will print the usage message. PiperOrigin-RevId: 345500123
2020-12-03Merge release-20201130.0-32-g3186b50df (automated)gVisor bot
2020-12-03Add BuildKite pipeline.Adin Scannell
PiperOrigin-RevId: 345490319
2020-12-03Merge release-20201130.0-31-g3ff1aef54 (automated)gVisor bot
2020-12-03Make `stack.Route` thread safePeter Johnston
Currently we rely on the user to take the lock on the endpoint that owns the route, in order to modify it safely. We can instead move `Route.RemoteLinkAddress` under `Route`'s mutex, and allow non-locking and thread-safe access to other fields of `Route`. PiperOrigin-RevId: 345461586
2020-12-03Merge release-20201130.0-30-g6f60a2b0a (automated)gVisor bot
2020-12-03Implement `fcntl` options `F_GETSIG` and `F_SETSIG`.Etienne Perot
These options allow overriding the signal that gets sent to the process when I/O operations are available on the file descriptor, rather than the default `SIGIO` signal. Doing so also populates `siginfo` to contain extra information about which file descriptor caused the event (`si_fd`) and what events happened on it (`si_band`). The logic around which FD is populated within `si_fd` matches Linux's, which means it has some weird edge cases where that value may not actually refer to a file descriptor that is still valid. This CL also ports extra S/R logic regarding async handler in VFS2. Without this, async I/O handlers aren't properly re-registered after S/R. PiperOrigin-RevId: 345436598
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