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2020-05-04Merge release-20200422.0-23-g57dbd7f (automated)gVisor bot
2020-05-04Remove kernfs.Filesystem cast from GenericDirectoryFDFabricio Voznika
This allows for kerfs.Filesystem to be overridden by different implementations. Updates #1672 PiperOrigin-RevId: 309809321
2020-05-04Merge release-20200422.0-18-g711439b (automated)gVisor bot
2020-05-04Merge pull request #2275 from nybidari:iptablesgVisor bot
PiperOrigin-RevId: 309783486
2020-05-04Merge release-20200422.0-16-gcbc5bef (automated)gVisor bot
2020-05-04Add TTY support on VFS2 to runscFabricio Voznika
Updates #1623, #1487 PiperOrigin-RevId: 309777922
2020-05-04Merge release-20200422.0-15-g2c98687 (automated)gVisor bot
2020-05-04Fix flaky monotonic time.Adin Scannell
This change ensures that even platforms with some TSC issues (e.g. KVM), can get reliable monotonic time by applied a lower bound on each read. PiperOrigin-RevId: 309773801
2020-05-01Support for connection tracking of TCP packets.Nayana Bidari
Connection tracking is used to track packets in prerouting and output hooks of iptables. The NAT rules modify the tuples in connections. The connection tracking code modifies the packets by looking at the modified tuples.
2020-05-01Merge release-20200422.0-11-g5e1e61f (automated)gVisor bot
2020-05-01Automated rollback of changelist 308674219Kevin Krakauer
PiperOrigin-RevId: 309491861
2020-05-01Merge release-20200422.0-9-g82bae30 (automated)gVisor bot
2020-05-01Port netstack, hostinet, and netlink sockets to VFS2.Dean Deng
All three follow the same pattern: 1. Refactor VFS1 sockets into socketOpsCommon, so that most of the methods can be shared with VFS2. 2. Create a FileDescriptionImpl with the corresponding socket operations, rewriting the few that cannot be shared with VFS1. 3. Set up a VFS2 socket provider that creates a socket by setting up a dentry in the global Kernel.socketMount and connecting it with a new FileDescription. This mostly completes the work for porting sockets to VFS2, and many syscall tests can be enabled as a result. There are several networking-related syscall tests that are still not passing: 1. net gofer tests 2. socketpair gofer tests 2. sendfile tests (splice is not implemented in VFS2 yet) Updates #1478, #1484, #1485 PiperOrigin-RevId: 309457331
2020-04-30Merge release-20200422.0-6-g01beec3 (automated)gVisor bot
2020-04-30Add gofer.InternalFilesystemOptions.LeakConnection.Jamie Liu
PiperOrigin-RevId: 309317605
2020-04-30Merge release-20200422.0-5-gbae30a0 (automated)gVisor bot
2020-04-30Implement waiter.Waitable methods on VFS2 host inodes.Nicolas Lacasse
This fixes bash in Ubuntu. Updates #1672. PiperOrigin-RevId: 309298252
2020-04-30Merge release-20200413.0-27-g442fde4 (automated)gVisor bot
2020-04-30Fix proc net bugs in VFS2.Dean Deng
The /proc/net/udp header was missing, and /proc/sys/net was set up as /proc/sys/net/net. Discovered while trying to run networking tests for VFS2. PiperOrigin-RevId: 309243758
2020-04-29Merge release-20200413.0-24-gef94401 (automated)gVisor bot
2020-04-29Add read/write timeouts for VFS2 socket files.Dean Deng
Updates #1476 PiperOrigin-RevId: 309098590
2020-04-29Merge release-20200413.0-23-ga105d18 (automated)gVisor bot
2020-04-29iptables: don't pollute logsKevin Krakauer
The netfilter package uses logs to make debugging the (de)serialization of structs easier. This generates a lot of (usually irrelevant) logs. Logging is now hidden behind a debug flag. PiperOrigin-RevId: 309087115
2020-04-29Merge release-20200413.0-18-gce19497 (automated)gVisor bot
2020-04-28Fix Unix socket permissions.Dean Deng
Enforce write permission checks in BoundEndpointAt, which corresponds to the permission checks in Linux (net/unix/af_unix.c:unix_find_other). Also, create bound socket files with the correct permissions in VFS2. Fixes #2324. PiperOrigin-RevId: 308949084
2020-04-29Merge release-20200413.0-16-gf93f2fd (automated)gVisor bot
2020-04-28Deduplicate unix socket Release() method.Dean Deng
PiperOrigin-RevId: 308932254
2020-04-28Merge release-20200413.0-10-gf3ca5ca (automated)gVisor bot
2020-04-28Support pipes and sockets in VFS2 gofer fs.Dean Deng
Named pipes and sockets can be represented in two ways in gofer fs: 1. As a file on the remote filesystem. In this case, all file operations are passed through 9p. 2. As a synthetic file that is internal to the sandbox. In this case, the dentry stores an endpoint or VFSPipe for sockets and pipes respectively, which replaces interactions with the remote fs through the gofer. In gofer.filesystem.MknodAt, we attempt to call mknod(2) through 9p, and if it fails, fall back to the synthetic version. Updates #1200. PiperOrigin-RevId: 308828161
2020-04-27Merge release-20200413.0-7-g1c2ecbb (automated)gVisor bot
2020-04-27Import host sockets.Dean Deng
The FileDescription implementation for hostfs sockets uses the standard Unix socket implementation (unix.SocketVFS2), but is also tied to a hostfs dentry. Updates #1672, #1476 PiperOrigin-RevId: 308716426
2020-04-27Merge release-20200323.0-254-g003e79a (automated)gVisor bot
2020-04-27Dump stack for stuck start and stuck watchdogFabricio Voznika
The meaning for skipDump was reversed, but not all callers were updated. Change the meaning once again to forceDump, so that the period between stack dump is respected from all callers. PiperOrigin-RevId: 308674373
2020-04-27Merge release-20200323.0-253-g55f0c33 (automated)gVisor bot
2020-04-27Automated rollback of changelist 308163542gVisor bot
PiperOrigin-RevId: 308674219
2020-04-27Merge release-20200323.0-252-g292f3f9 (automated)gVisor bot
2020-04-27Don't leak vfs.MountNamespace reference if kernel.TaskSet.NewTask fails.Jamie Liu
PiperOrigin-RevId: 308617610
2020-04-26Merge release-20200323.0-251-g3c67754 (automated)gVisor bot
2020-04-25Enable automated marshalling for signals and the arch package.Rahat Mahmood
PiperOrigin-RevId: 308472331
2020-04-25Merge release-20200323.0-248-g15a822a (automated)gVisor bot
2020-04-24VFS2: Get HelloWorld image tests to pass with VFS2Zach Koopmans
This change includes: - Modifications to loader_test.go to get TestCreateMountNamespace to pass with VFS2. - Changes necessary to get TestHelloWorld in image tests to pass with VFS2. This means runsc can run the hello-world container with docker on VSF2. Note: Containers that use sockets will not run with these changes. See "//test/image/...". Any tests here with sockets currently fail (which is all of them but HelloWorld). PiperOrigin-RevId: 308363072
2020-04-24Merge release-20200323.0-246-g1072547 (automated)gVisor bot
2020-04-24Merge pull request #1707 from lubinszARM:pr_lazy_fpsimd_2gVisor bot
PiperOrigin-RevId: 308347744
2020-04-24Merge release-20200323.0-239-gf13f26d (automated)gVisor bot
2020-04-24Port SCM Rights to VFS2.Dean Deng
Fixes #1477. PiperOrigin-RevId: 308317511
2020-04-24Merge release-20200323.0-236-g632b104 (automated)gVisor bot
2020-04-24Plumb context.Context into kernfs.Inode.Open().Dean Deng
PiperOrigin-RevId: 308304793
2020-04-24Merge release-20200323.0-235-g2cc0fd4 (automated)gVisor bot
2020-04-24Fixes for procfsFabricio Voznika
- Return ENOENT for /proc/[pid]/task if task is zoombied or terminated - Allow directory to be Seek() to the end - Construct synthetic files for /proc/[pid]/ns/* - Changed GenericDirectoryFD.Init to not register with FileDescription, otherwise other implementation cannot change behavior. Updates #1195,1193 PiperOrigin-RevId: 308294649
2020-04-24Merge release-20200323.0-234-g1b88c63 (automated)gVisor bot
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