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2019-06-19Merge 29f9e4fa (automated)gVisor bot
2019-06-19fileOp{On,At} should pass the remaning symlink traversal count.Nicolas Lacasse
And methods that do more traversals should use the remaining count rather than resetting. PiperOrigin-RevId: 254041720
2019-06-19Merge f7428af9 (automated)gVisor bot
2019-06-19Add MountNamespace to task.Nicolas Lacasse
This allows tasks to have distinct mount namespace, instead of all sharing the kernel's root mount namespace. Currently, the only way for a task to get a different mount namespace than the kernel's root is by explicitly setting a different MountNamespace in CreateProcessArgs, and nothing does this (yet). In a follow-up CL, we will set CreateProcessArgs.MountNamespace when creating a new container inside runsc. Note that "MountNamespace" is a poor term for this thing. It's more like a distinct VFS tree. When we get around to adding real mount namespaces, this will need a better naem. PiperOrigin-RevId: 254009310
2019-06-19Mark tcp_socket test flaky.Neel Natu
PiperOrigin-RevId: 253997465
2019-06-19Merge ca245a42 (automated)gVisor bot
2019-06-18Attempt to fix TestPipeWritesAccumulateFabricio Voznika
Test fails because it's reading 4KB instead of the expected 64KB. Changed the test to read pipe buffer size instead of hardcode and added some logging in case the reason for failure was not pipe buffer size. PiperOrigin-RevId: 253916040
2019-06-18Merge 546b2948 (automated)gVisor bot
2019-06-18Use return values from syscalls in eventfd tests.Rahat Mahmood
PiperOrigin-RevId: 253890611
2019-06-18Merge 0e07c94d (automated)gVisor bot
2019-06-18Kill sandbox process when 'runsc do' exitsFabricio Voznika
PiperOrigin-RevId: 253882115
2019-06-18Merge bdb19b82 (automated)gVisor bot
2019-06-18Add Container/Sandbox args struct for creationFabricio Voznika
There were 3 string arguments that could be easily misplaced and it makes it easier to add new arguments, especially for Container that has dozens of callers. PiperOrigin-RevId: 253872074
2019-06-18Merge 2e137986 (automated)gVisor bot
2019-06-18Replace usage of deprecated strtoul/strtoullBrad Burlage
PiperOrigin-RevId: 253864770
2019-06-18Merge ec15fb11 (automated)gVisor bot
2019-06-18Fix PipeTest_Streaming timeoutFabricio Voznika
Test was calling Size() inside read and write loops. Size() makes 2 syscalls to return the pipe size, making the test do a lot more work than it should. PiperOrigin-RevId: 253824690
2019-06-18Merge 8ab0848c (automated)gVisor bot
2019-06-18gvisor/fs: don't update file.offset for sockets, pipes, etcAndrei Vagin
sockets, pipes and other non-seekable file descriptors don't use file.offset, so we don't need to update it. With this change, we will be able to call file operations without locking the file.mu mutex. This is already used for pipes in the splice system call. PiperOrigin-RevId: 253746644
2019-06-18gvisor/kokoro: don't modify tests names in the BUILD fileAndrei Vagin
PiperOrigin-RevId: 253746380
2019-06-18Merge 66cc0e9f (automated)gVisor bot
2019-06-17gvisor/bazel: use python2 to build runsc-debianAndrei Vagin
$ bazel build runsc:runsc-debian File ".../bazel_tools/tools/build_defs/pkg/make_deb.py", line 311, in GetFlagValue: flagvalue = flagvalue.decode('utf-8') AttributeError: 'str' object has no attribute 'decode' make_deb.py is incompatible with Python3. https://github.com/bazelbuild/bazel/issues/8443 PiperOrigin-RevId: 253691923
2019-06-17Merge 99d28637 (automated)gVisor bot
2019-06-17Internal change.gVisor bot
PiperOrigin-RevId: 253559564
2019-06-14Merge a8608c50 (automated)gVisor bot
2019-06-14Enable Receive Buffer Auto-Tuning for runsc.Bhasker Hariharan
Updates #230 PiperOrigin-RevId: 253225078
2019-06-14Merge 3d71c627 (automated)gVisor bot
2019-06-13Add support for TCP receive buffer auto tuning.Bhasker Hariharan
The implementation is similar to linux where we track the number of bytes consumed by the application to grow the receive buffer of a given TCP endpoint. This ensures that the advertised window grows at a reasonable rate to accomodate for the sender's rate and prevents large amounts of data being held in stack buffers if the application is not actively reading or not reading fast enough. The original paper that was used to implement the linux receive buffer auto- tuning is available @ https://public.lanl.gov/radiant/pubs/drs/lacsi2001.pdf NOTE: Linux does not implement DRS as defined in that paper, it's just a good reference to understand the solution space. Updates #230 PiperOrigin-RevId: 253168283
2019-06-14Merge 3e9b8ecb (automated)gVisor bot
2019-06-13Plumb context through more layers of filesytem.Ian Gudger
All functions which allocate objects containing AtomicRefCounts will soon need a context. PiperOrigin-RevId: 253147709
2019-06-14Merge 7b0f0682 (automated)gVisor bot
2019-06-13Fix deadlock in fasync.Ian Gudger
The deadlock can occur when both ends of a connected Unix socket which has FIOASYNC enabled on at least one end are closed at the same time. One end notifies that it is closing, calling (*waiter.Queue).Notify which takes waiter.Queue.mu (as a read lock) and then calls (*FileAsync).Callback, which takes FileAsync.mu. The other end tries to unregister for notifications by calling (*FileAsync).Unregister, which takes FileAsync.mu and calls (*waiter.Queue).EventUnregister which takes waiter.Queue.mu. This is fixed by moving the calls to waiter.Waitable.EventRegister and waiter.Waitable.EventUnregister outside of the protection of any mutex used in (*FileAsync).Callback. The new test is related, but does not cover this particular situation. Also fix a data race on FileAsync.e.Callback. (*FileAsync).Callback checked FileAsync.e.Callback under the protection of FileAsync.mu, but the waiter calling (*FileAsync).Callback could not and did not. This is fixed by making FileAsync.e.Callback immutable before passing it to the waiter for the first time. Fixes #346 PiperOrigin-RevId: 253138340
2019-06-13Implement getsockopt() SO_DOMAIN, SO_PROTOCOL and SO_TYPE.Rahat Mahmood
SO_TYPE was already implemented for everything but netlink sockets. PiperOrigin-RevId: 253138157
2019-06-13Merge pull request #306 from amscanne:add_readmeShentubot
PiperOrigin-RevId: 253137638
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
2019-06-13Add p9 and unet benchmarks.Jamie Liu
PiperOrigin-RevId: 253122166
2019-06-13Merge 4fdd560b (automated)gVisor bot
2019-06-13Set the HOME environment variable (fixes #293)Ian Lewis
runsc will now set the HOME environment variable as required by POSIX. The user's home directory is retrieved from the /etc/passwd file located on the container's file system during boot. PiperOrigin-RevId: 253120627
2019-06-13Merge 9f77b36f (automated)gVisor bot
2019-06-13Set optlen correctly when calling getsockopt.Bhasker Hariharan
PiperOrigin-RevId: 253096085
2019-06-13Merge 94ab253d (automated)gVisor bot
2019-06-13Bump rules_go to v0.18.6, and go toolchain to v1.12.6.Nicolas Lacasse
PiperOrigin-RevId: 253061432
2019-06-12Merge e352f464 (automated)gVisor bot
2019-06-12Minor BUILD file cleanup.Adin Scannell
PiperOrigin-RevId: 252918338
2019-06-12Merge 70578806 (automated)gVisor bot
2019-06-12Add support for TCP_CONGESTION socket option.Bhasker Hariharan
This CL also cleans up the error returned for setting congestion control which was incorrectly returning EINVAL instead of ENOENT. PiperOrigin-RevId: 252889093
2019-06-12Merge bb849bad (automated)gVisor bot
2019-06-12gvisor/runsc: apply seccomp filters before parsing a state fileAndrei Vagin
PiperOrigin-RevId: 252869983
2019-06-12Merge 0d05a12f (automated)gVisor bot
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