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2020-06-19Merge release-20200608.0-89-g70c45e09c (automated)gVisor bot
2020-06-18socket/unix: (*connectionedEndpoint).State() has to take the endpoint lockAndrei Vagin
It accesses e.receiver which is protected by the endpoint lock. WARNING: DATA RACE Write at 0x00c0006aa2b8 by goroutine 189: pkg/sentry/socket/unix/transport.(*connectionedEndpoint).Connect.func1() pkg/sentry/socket/unix/transport/connectioned.go:359 +0x50 pkg/sentry/socket/unix/transport.(*connectionedEndpoint).BidirectionalConnect() pkg/sentry/socket/unix/transport/connectioned.go:327 +0xa3c pkg/sentry/socket/unix/transport.(*connectionedEndpoint).Connect() pkg/sentry/socket/unix/transport/connectioned.go:363 +0xca pkg/sentry/socket/unix.(*socketOpsCommon).Connect() pkg/sentry/socket/unix/unix.go:420 +0x13a pkg/sentry/socket/unix.(*SocketOperations).Connect() <autogenerated>:1 +0x78 pkg/sentry/syscalls/linux.Connect() pkg/sentry/syscalls/linux/sys_socket.go:286 +0x251 Previous read at 0x00c0006aa2b8 by goroutine 270: pkg/sentry/socket/unix/transport.(*baseEndpoint).Connected() pkg/sentry/socket/unix/transport/unix.go:789 +0x42 pkg/sentry/socket/unix/transport.(*connectionedEndpoint).State() pkg/sentry/socket/unix/transport/connectioned.go:479 +0x2f pkg/sentry/socket/unix.(*socketOpsCommon).State() pkg/sentry/socket/unix/unix.go:714 +0xc3e pkg/sentry/socket/unix.(*socketOpsCommon).SendMsg() pkg/sentry/socket/unix/unix.go:466 +0xc44 pkg/sentry/socket/unix.(*SocketOperations).SendMsg() <autogenerated>:1 +0x173 pkg/sentry/syscalls/linux.sendTo() pkg/sentry/syscalls/linux/sys_socket.go:1121 +0x4c5 pkg/sentry/syscalls/linux.SendTo() pkg/sentry/syscalls/linux/sys_socket.go:1134 +0x87 Reported-by: syzbot+c2be37eedc672ed59a86@syzkaller.appspotmail.com PiperOrigin-RevId: 317236996
2020-06-19Merge release-20200608.0-88-g0c169b6ad (automated)gVisor bot
2020-06-18iptables: skip iptables if no rules are setKevin Krakauer
Users that never set iptables rules shouldn't incur the iptables performance cost. Suggested by Ian (@iangudger). PiperOrigin-RevId: 317232921
2020-06-19Merge release-20200608.0-87-g28b8a5cc3 (automated)gVisor bot
2020-06-18iptables: remove metadata structKevin Krakauer
Metadata was useful for debugging and safety, but enough tests exist that we should see failures when (de)serialization is broken. It made stack initialization more cumbersome and it's also getting in the way of ip6tables. PiperOrigin-RevId: 317210653
2020-06-18Merge release-20200608.0-86-g878050b5c (automated)gVisor bot
2020-06-18Merge release-20200608.0-85-gf97122f44 (automated)gVisor bot
2020-06-18Acquire lock when accessing MultiDevice's cache in String().Ting-Yu Wang
PiperOrigin-RevId: 317180925
2020-06-18Merge release-20200608.0-84-gf1aa91918 (automated)gVisor bot
2020-06-18Merge release-20200608.0-83-g3970c1274 (automated)gVisor bot
2020-06-18Remove various uses of 'whitelist'Michael Pratt
Updates #2972 PiperOrigin-RevId: 317113059
2020-06-18Merge release-20200608.0-82-g07ff909e7 (automated)gVisor bot
2020-06-18Support setsockopt SO_SNDBUF/SO_RCVBUF for raw/udp sockets.Bhasker Hariharan
Updates #173,#6 Fixes #2888 PiperOrigin-RevId: 317087652
2020-06-18Merge release-20200608.0-81-g09b2fca40 (automated)gVisor bot
2020-06-18Cleanup tcp.timer and tcpip.RouteGhanan Gowripalan
When a tcp.timer or tcpip.Route is no longer used, clean up its resources so that unused memory may be released. PiperOrigin-RevId: 317046582
2020-06-18Merge release-20200608.0-80-g6e0c17052 (automated)gVisor bot
2020-06-17Implement Sync() to directoriesFabricio Voznika
Updates #1035, #1199 PiperOrigin-RevId: 317028108
2020-06-18Merge release-20200608.0-79-g22b0bb213 (automated)gVisor bot
2020-06-18Merge release-20200608.0-78-g97f6b20e8 (automated)gVisor bot
2020-06-17Move mount configutation to RunOptsFabricio Voznika
Separate mount configuration from links and move it to RunOpts, like the other options. PiperOrigin-RevId: 317010158
2020-06-18Merge release-20200608.0-77-g57286eb64 (automated)gVisor bot
2020-06-17Increase timeouts for NDP testsGhanan Gowripalan
... to help reduce flakes. When waiting for an event to occur, use a timeout of 10s. When waiting for an event to not occur, use a timeout of 1s. Test: Ran test locally w/ run count of 1000 with and without gotsan. PiperOrigin-RevId: 316998128
2020-06-17Merge release-20200608.0-76-g02072fd24 (automated)gVisor bot
2020-06-17Merge release-20200608.0-75-ga5f4deeca (automated)gVisor bot
2020-06-17Internal change.gVisor bot
PiperOrigin-RevId: 316973783
2020-06-17Merge release-20200608.0-74-g28a5c55bb (automated)gVisor bot
2020-06-17Merge release-20200608.0-73-g505e8f4e3 (automated)gVisor bot
2020-06-17Merge release-20200608.0-72-g6d806ee71 (automated)gVisor bot
2020-06-17Remove various uses of 'blacklist'Michael Pratt
Updates #2972 PiperOrigin-RevId: 316942245
2020-06-17Merge release-20200608.0-71-ge5d97cbcc (automated)gVisor bot
2020-06-17Refactor host.canMap.Dean Deng
Simplify the canMap check. We do not have plans to allow mmap for anything beyond regular files, so we can just inline canMap() as a simple file mode check. Updates #1672. PiperOrigin-RevId: 316929654
2020-06-17Merge release-20200608.0-70-g50afec55c (automated)gVisor bot
2020-06-17TCP stat fixesMithun Iyer
Ensure that CurrentConnected stat is updated on any errors and cleanups during connected state processing. Fixes #2968 PiperOrigin-RevId: 316919426
2020-06-17Merge release-20200608.0-69-g96519e2c9 (automated)gVisor bot
2020-06-17Implement POSIX locksFabricio Voznika
- Change FileDescriptionImpl Lock/UnlockPOSIX signature to take {start,length,whence}, so the correct offset can be calculated in the implementations. - Create PosixLocker interface to make it possible to share the same locking code from different implementations. Closes #1480 PiperOrigin-RevId: 316910286
2020-06-17Merge release-20200608.0-68-g6d64028c9 (automated)gVisor bot
2020-06-16Merge release-20200608.0-67-gdbf786c6b (automated)gVisor bot
2020-06-16Merge release-20200608.0-66-ge61acfb5e (automated)gVisor bot
2020-06-16Correctly handle multiple resizings in pgalloc.findAvailableRange().Jamie Liu
PiperOrigin-RevId: 316778032
2020-06-16Merge release-20200608.0-65-g622f79868 (automated)gVisor bot
2020-06-16Replace use of %v in tcp testsMithun Iyer
PiperOrigin-RevId: 316767969
2020-06-16Merge release-20200608.0-64-gbae147560 (automated)gVisor bot
2020-06-16Merge release-20200608.0-63-g810748f5c (automated)gVisor bot
2020-06-16Port aio to VFS2.Nicolas Lacasse
In order to make sure all aio goroutines have stopped during S/R, a new WaitGroup was added to TaskSet, analagous to runningGoroutines. This WaitGroup is incremented with each aio goroutine, and waited on during kernel.Pause. The old VFS1 aio code was changed to use this new WaitGroup, rather than fs.Async. The only uses of fs.Async are now inode and mount Release operations, which do not call fs.Async recursively. This fixes a lock-ordering violation that can cause deadlocks. Updates #1035. PiperOrigin-RevId: 316689380
2020-06-16Merge release-20200608.0-62-g3b0b1f104 (automated)gVisor bot
2020-06-16Miscellaneous VFS2 fixes.Jamie Liu
PiperOrigin-RevId: 316627764
2020-06-15Merge release-20200608.0-61-g67f261a87 (automated)gVisor bot
2020-06-15TCP to honor updated window size during handshake.Mithun Iyer
In passive open cases, we transition to Established state after initializing endpoint's sender and receiver. With this we lose out on any updates coming from the ACK that completes the handshake. This change ensures that we uniformly transition to Established in all cases and does minor cleanups. Fixes #2938 PiperOrigin-RevId: 316567014
2020-06-15Merge release-20200522.0-154-g885605c5e (automated)gVisor bot
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