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2021-11-04Merge release-20211026.0-34-gfe8e48fc6 (automated)gVisor bot
2021-11-04[syserr] Move ConvertIntr function to linuxerr packageZach Koopmans
Move ConverIntr out of syserr package and delete an unused function. PiperOrigin-RevId: 407676258
2021-11-04Merge release-20211026.0-33-g23a115dae (automated)gVisor bot
2021-11-04[syserr] Reverse dependency for tcpip.ErrorZach Koopmans
PiperOrigin-RevId: 407638912
2021-08-30Merge release-20210823.0-32-gdfbcb8903 (automated)gVisor bot
2021-08-30[syserr] Fix SIGBUS on syserr.FromErrorZach Koopmans
Fix syzcaller panic SIGBUS on error handling. Done by adding an interface, errors.GuestError, which errors can implement in order to be compared against each other. PiperOrigin-RevId: 393867554
2021-08-14Merge release-20210806.0-29-gce58d71fd (automated)gVisor bot
2021-08-13[syserror] Remove pkg syserror.Zach Koopmans
Removes package syserror and moves still relevant code to either linuxerr or to syserr (to be later removed). Internal errors are converted from random types to *errors.Error types used in linuxerr. Internal errors are in linuxerr/internal.go. PiperOrigin-RevId: 390724202
2021-07-28Merge release-20210720.0-39-g964fb3ca7 (automated)gVisor bot
2021-07-20Merge release-20210712.0-29-g1ad382220 (automated)gVisor bot
2021-07-20Add go:build directives as required by Go 1.17's gofmt.Jamie Liu
PiperOrigin-RevId: 385894869
2021-07-01Merge release-20210628.0-16-g590b8d3e9 (automated)gVisor bot
2021-07-01[syserror] Update several syserror errors to linuxerr equivalents.Zach Koopmans
Update/remove most syserror errors to linuxerr equivalents. For list of removed errors, see //pkg/syserror/syserror.go. PiperOrigin-RevId: 382574582
2021-06-29Merge release-20210628.0-8-g54b71221c (automated)gVisor bot
2021-06-29[syserror] Change syserror to linuxerr for E2BIG, EADDRINUSE, and EINVALZach Koopmans
Remove three syserror entries duplicated in linuxerr. Because of the linuxerr.Equals method, this is a mere change of return values from syserror to linuxerr definitions. Done with only these three errnos as CLs removing all grow to a significantly large size. PiperOrigin-RevId: 382173835
2021-06-22Merge release-20210614.0-14-ge1dc1c78e (automated)gVisor bot
2021-06-22[syserror] Add conversions to linuxerr with temporary Equals method.Zach Koopmans
Add Equals method to compare syserror and unix.Errno errors to linuxerr errors. This will facilitate removal of syserror definitions in a followup, and finding needed conversions from unix.Errno to linuxerr. PiperOrigin-RevId: 380909667
2021-06-16Merge release-20210607.0-51-g63b4f6e29 (automated)gVisor bot
2021-06-16[syserror] Refactor linuxerr and error package.Zach Koopmans
Move Error struct to pkg/errors package for use in multiple places. Move linuxerr static definitions under pkg/errors/linuxerr. Add a lookup list for quick lookup of *errors.Error by errno. This is useful when converting syserror errors and unix.Errno/syscall.Errrno values to *errors.Error. Update benchmarks routines to include conversions. The below benchmarks show *errors.Error usage to be comparable to using unix.Errno. BenchmarkAssignUnix BenchmarkAssignUnix-32 787875022 1.284 ns/op BenchmarkAssignLinuxerr BenchmarkAssignLinuxerr-32 1000000000 1.209 ns/op BenchmarkAssignSyserror BenchmarkAssignSyserror-32 759269229 1.429 ns/op BenchmarkCompareUnix BenchmarkCompareUnix-32 1000000000 1.310 ns/op BenchmarkCompareLinuxerr BenchmarkCompareLinuxerr-32 1000000000 1.241 ns/op BenchmarkCompareSyserror BenchmarkCompareSyserror-32 147196165 8.248 ns/op BenchmarkSwitchUnix BenchmarkSwitchUnix-32 373233556 3.664 ns/op BenchmarkSwitchLinuxerr BenchmarkSwitchLinuxerr-32 476323929 3.294 ns/op BenchmarkSwitchSyserror BenchmarkSwitchSyserror-32 39293408 29.62 ns/op BenchmarkReturnUnix BenchmarkReturnUnix-32 1000000000 0.5042 ns/op BenchmarkReturnLinuxerr BenchmarkReturnLinuxerr-32 1000000000 0.8152 ns/op BenchmarkConvertUnixLinuxerr BenchmarkConvertUnixLinuxerr-32 739948875 1.547 ns/op BenchmarkConvertUnixLinuxerrZero BenchmarkConvertUnixLinuxerrZero-32 977733974 1.489 ns/op PiperOrigin-RevId: 379806801
2021-05-12Merge release-20210503.0-36-g49eb3da98 (automated)gVisor bot
2021-05-11[syserror] Refactor abi/linux.ErrnoZach Koopmans
PiperOrigin-RevId: 373265454
2021-03-09Merge release-20210301.0-29-gabbdcebc5 (automated)gVisor bot
2021-03-08Implement /proc/sys/net/ipv4/ip_local_port_rangeKevin Krakauer
Speeds up the socket stress tests by a couple orders of magnitude. PiperOrigin-RevId: 361721050
2021-03-03Merge release-20210301.0-5-ga9441aea2 (automated)gVisor bot
2021-03-03[op] Replace syscall package usage with golang.org/x/sys/unix in pkg/.Ayush Ranjan
The syscall package has been deprecated in favor of golang.org/x/sys. Note that syscall is still used in the following places: - pkg/sentry/socket/hostinet/stack.go: some netlink related functionalities are not yet available in golang.org/x/sys. - syscall.Stat_t is still used in some places because os.FileInfo.Sys() still returns it and not unix.Stat_t. Updates #214 PiperOrigin-RevId: 360701387
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
2021-01-29Merge release-20210125.0-21-g8d1afb418 (automated)gVisor bot
2021-01-28Change tcpip.Error to an interfaceTamir Duberstein
This makes it possible to add data to types that implement tcpip.Error. ErrBadLinkEndpoint is removed as it is unused. PiperOrigin-RevId: 354437314
2021-01-14Merge release-20201216.0-105-g25b5ec713 (automated)gVisor bot
2021-01-13Do not resolve remote link address at transport layerGhanan Gowripalan
Link address resolution is performed at the link layer (if required) so we can defer it from the transport layer. When link resolution is required, packets will be queued and sent once link resolution completes. If link resolution fails, the transport layer will receive a control message indicating that the stack failed to route the packet. tcpip.Endpoint.Write no longer returns a channel now that writes do not wait for link resolution at the transport layer. tcpip.ErrNoLinkAddress is no longer used so it is removed. Removed calls to stack.Route.ResolveWith from the transport layer so that link resolution is performed when a route is created in response to an incoming packet (e.g. to complete TCP handshakes or send a RST). Tests: - integration_test.TestForwarding - integration_test.TestTCPLinkResolutionFailure Fixes #4458 RELNOTES: n/a PiperOrigin-RevId: 351684158
2021-01-07Merge release-20201208.0-127-gb1de1da31 (automated)gVisor bot
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
2020-12-11Merge release-20201208.0-31-g4cba3904f (automated)gVisor bot
2020-12-11Remove existing nogo exceptions.Adin Scannell
PiperOrigin-RevId: 347047550
2020-12-10Merge release-20201130.0-71-g992769c77 (automated)gVisor bot
2020-12-09[netstack] Make tcpip.Error savable.Ayush Ranjan
Earlier we could not save tcpip.Error objects in structs because upon restore the constant's address changes in netstack's error translation map and translating the error would panic because the map is based on the address of the tcpip.Error instead of the error itself. Now I made that translations map use the error message as key instead of the address. Added relevant synchronization mechanisms to protect the structure and initialize it upon restore. PiperOrigin-RevId: 346590485
2020-07-15Merge release-20200622.1-163-g857d03f25 (automated)gVisor bot
2020-07-15Add support for SO_ERROR to packet sockets.Bhasker Hariharan
Packet sockets also seem to allow double binding and do not return an error on linux. This was tested by running the syscall test in a linux namespace as root and the current test DoubleBind fails@HEAD. Passes after this change. Updates #173 PiperOrigin-RevId: 321445137
2020-05-27Merge release-20200518.0-45-g0bc022b7 (automated)gVisor bot
2020-02-06Merge release-20200127.0-85-g1b6a12a (automated)gVisor bot
2020-02-04Merge release-20200127.0-65-g95ce8bb (automated)gVisor bot
2020-01-27Standardize on tools directory.Adin Scannell
PiperOrigin-RevId: 291745021
2019-07-12Merge 69e0affa (automated)gVisor bot
2019-07-03netstack/udp: connect with the AF_UNSPEC address family means disconnectAndrei Vagin
PiperOrigin-RevId: 256433283
2019-06-13Merge add40fd6 (automated)gVisor bot
2019-06-13Update canonical repository.Adin Scannell
This can be merged after: https://github.com/google/gvisor-website/pull/77 or https://github.com/google/gvisor-website/pull/78 PiperOrigin-RevId: 253132620
2019-06-02Merge 216da0b7 (automated)gVisor bot
2019-04-29Change copyright notice to "The gVisor Authors"Michael Pratt
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2019-04-29Allow and document bug ids in gVisor codebase.Nicolas Lacasse
PiperOrigin-RevId: 245818639 Change-Id: I03703ef0fb9b6675955637b9fe2776204c545789
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