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2019-08-08Merge 13a98df4 (automated)gVisor bot
2019-08-08netstack: Don't start endpoint goroutines too soon on restore.Rahat Mahmood
Endpoint protocol goroutines were previously started as part of loading the endpoint. This is potentially too soon, as resources used by these goroutine may not have been loaded. Protocol goroutines may perform meaningful work as soon as they're started (ex: incoming connect) which can cause them to indirectly access resources that haven't been loaded yet. This CL defers resuming all protocol goroutines until the end of restore. PiperOrigin-RevId: 262409429
2019-08-08Merge 2e45d169 (automated)gVisor bot
2019-08-08Merge pull request #653 from xiaobo55x:devgVisor bot
PiperOrigin-RevId: 262402929
2019-08-08Merge 06102af6 (automated)gVisor bot
2019-08-08memfs fixes.Jamie Liu
- Unexport Filesystem/Dentry/Inode. - Support SEEK_CUR in directoryFD.Seek(). - Hold Filesystem.mu before touching directoryFD.off in directoryFD.Seek(). - Remove deleted Dentries from their parent directory.childLists. - Remove invalid FIXMEs. PiperOrigin-RevId: 262400633
2019-08-08Merge 08cd5e1d (automated)gVisor bot
2019-08-07ext: Seek unit tests.Ayush Ranjan
PiperOrigin-RevId: 262264674
2019-08-08Merge 40d6d8c1 (automated)gVisor bot
2019-08-07ext: StatAt unit tests.Ayush Ranjan
PiperOrigin-RevId: 262249166
2019-08-07Merge 3b368cab (automated)gVisor bot
2019-08-07ext: Read unit tests.Ayush Ranjan
PiperOrigin-RevId: 262242410
2019-08-07Merge ad67e5a7 (automated)gVisor bot
2019-08-07ext: IterDirent unit tests.Ayush Ranjan
PiperOrigin-RevId: 262226761
2019-08-07Merge 1c9781a4 (automated)gVisor bot
2019-08-07ext: vfs.FileDescriptionImpl and vfs.FilesystemImpl implementations.Ayush Ranjan
- This also gets rid of pipes for now because pipe does not have vfs2 specific support yet. - Added file path resolution logic. - Fixes testing infrastructure. - Does not include unit tests yet. PiperOrigin-RevId: 262213950
2019-08-07Merge 79cc4397 (automated)gVisor bot
2019-08-07Set target address in ARP ReplyTamir Duberstein
PiperOrigin-RevId: 262163794
2019-08-07Merge e70eafc9 (automated)gVisor bot
2019-08-06Merge dfbc0b0a (automated)gVisor bot
2019-08-06Fix for a panic due to writing to a closed accept channel.Bhasker Hariharan
This can happen because endpoint.Close() closes the accept channel first and then drains/resets any accepted but not delivered connections. But there can be connections that are connected but not delivered to the channel as the channel was full. But closing the channel can cause these writes to fail with a write to a closed channel. The correct solution is to abort any connections in SYN-RCVD state and drain/abort all completed connections before closing the accept channel. PiperOrigin-RevId: 261951132
2019-08-06Merge 704f9610 (automated)gVisor bot
2019-08-06Require pread/pwrite for splice file offsetsMichael Pratt
If there is an offset, the file must support pread/pwrite. See fs/splice.c:do_splice. PiperOrigin-RevId: 261944932
2019-08-05Merge 23e74043 (automated)gVisor bot
2019-08-05Change syscall.EPOLLET to unix.EPOLLETHaibo Xu
syscall.EPOLLET has been defined with different values on amd64 and arm64(-0x80000000 on amd64, and 0x80000000 on arm64), while unix.EPOLLET has been unified this value to 0x80000000(golang/go#5328). ref #63 Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: Id97d075c4e79d86a2ea3227ffbef02d8b00ffbb8
2019-08-02Merge 960a5e55 (automated)gVisor bot
2019-08-02Plumbing for iptables sockopts.Kevin Krakauer
PiperOrigin-RevId: 261413396
2019-08-02Merge b6a5b950 (automated)gVisor bot
2019-08-02Job control: controlling TTYs and foreground process groups.Kevin Krakauer
(Don't worry, this is mostly tests.) Implemented the following ioctls: - TIOCSCTTY - set controlling TTY - TIOCNOTTY - remove controlling tty, maybe signal some other processes - TIOCGPGRP - get foreground process group. Also enables tcgetpgrp(). - TIOCSPGRP - set foreground process group. Also enabled tcsetpgrp(). Next steps are to actually turn terminal-generated control characters (e.g. C^c) into signals to the proper process groups, and to send SIGTTOU and SIGTTIN when appropriate. PiperOrigin-RevId: 261387276
2019-08-02Merge b461be88 (automated)gVisor bot
2019-08-02Merge 2906dffc (automated)gVisor bot
2019-08-02Automated rollback of changelist 261191548Rahat Mahmood
PiperOrigin-RevId: 261373749
2019-08-02Merge aaaefdf9 (automated)gVisor bot
2019-08-02Remove kernel.mounts.Nicolas Lacasse
We can get the mount namespace from the CreateProcessArgs in all cases where we need it. This also gets rid of kernel.Destroy method, since the only thing it was doing was DecRefing the mounts. Removing the need to call kernel.SetRootMountNamespace also allowed for some more simplifications in the container fs setup code. PiperOrigin-RevId: 261357060
2019-08-02Merge 3eff0531 (automated)gVisor bot
2019-08-01Merge bad43772 (automated)gVisor bot
2019-08-01Drop reference on fs.Inode if Mount goes wrong.Nicolas Lacasse
PiperOrigin-RevId: 261203674
2019-08-01Merge f2b25aea (automated)gVisor bot
2019-08-01tmpfs and ramfs Dirs should drop references on children in Release().Nicolas Lacasse
This is the source of many warnings like: AtomicRefCount 0x7f5ff84e3500 owned by "fs.Inode" garbage collected with ref count of 1 (want 0) PiperOrigin-RevId: 261197093
2019-08-01Implement getsockopt(TCP_INFO).Rahat Mahmood
Export some readily-available fields for TCP_INFO and stub out the rest. PiperOrigin-RevId: 261191548
2019-08-01Merge 0a246fab (automated)gVisor bot
2019-07-31Basic support for 'ip route'Ian Lewis
Implements support for RTM_GETROUTE requests for netlink sockets. Fixes #507 PiperOrigin-RevId: 261051045
2019-07-31Merge 77833ece (automated)gVisor bot
2019-07-31Flipcall refinements.Jamie Liu
Note that some of these changes affect the protocol in backward-incompatible ways. - Replace use of "initially-active" and "initially-inactive" with "client" and "server" respectively for clarity. - Fix a race condition involving Endpoint.Shutdown() by repeatedly invoking FUTEX_WAKE until it is confirmed that no local thread is blocked in FUTEX_WAIT. - Drop flipcall.ControlMode. PiperOrigin-RevId: 260981382
2019-07-31Merge cf2b2d97 (automated)gVisor bot
2019-07-31Initialize kernel.unimplementedSyscallEmitter with a sync.Once.Nicolas Lacasse
This is initialized lazily on the first unimplemented syscall. Without the sync.Once, this is racy. PiperOrigin-RevId: 260971758
2019-07-31Merge edcc60b9 (automated)gVisor bot
2019-07-31Merge 12c4eb29 (automated)gVisor bot
2019-07-31Fix ICMPv4 EchoReply packet checksumAustin Kiekintveld
The checksum was not being reset before being re-calculated and sent out. This caused the sent checksum to always be `0x0800`. Fixes #605. PiperOrigin-RevId: 260965059
2019-07-31Merge c6e6d92c (automated)gVisor bot
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