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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
2019-06-12gvisor/ptrace: print guest registers if a stub stopped with unexpected codeAndrei Vagin
PiperOrigin-RevId: 252855280
2019-06-12Merge 356d1be1 (automated)gVisor bot
2019-06-12Allow 'runsc do' to run without rootFabricio Voznika
'--rootless' flag lets a non-root user execute 'runsc do'. The drawback is that the sandbox and gofer processes will run as root inside a user namespace that is mapped to the caller's user, intead of nobody. And network is defaulted to '--network=host' inside the root network namespace. On the bright side, it's very convenient for testing: runsc --rootless do ls runsc --rootless do curl www.google.com PiperOrigin-RevId: 252840970
2019-06-12Merge df110ad4 (automated)gVisor bot
2019-06-11Eat sendfile partial errorAdin Scannell
For sendfile(2), we propagate a TCP error through the system call layer. This should be eaten if there is a partial result. This change also adds a test to ensure that there is no panic in this case, for both TCP sockets and unix domain sockets. PiperOrigin-RevId: 252746192
2019-06-11Merge 69c8657a (automated)gVisor bot
2019-06-11kokoro: don't overwrite test results for different runtimesAndrei Vagin
PiperOrigin-RevId: 252724255
2019-06-11Merge 478a0873 (automated)gVisor bot
2019-06-11Explicitly reference workspace root in test commandMichael Pratt
oh-my-zsh aliases ... to ../.. [1]. Add an explicit reference to workspace root to work around the alias. [1] https://github.com/robbyrussell/oh-my-zsh/blob/master/lib/directories.zsh Fixes #341 PiperOrigin-RevId: 252720590
2019-06-11Merge fc746efa (automated)gVisor bot
2019-06-11Add support to mount pod shared tmpfs mountsFabricio Voznika
Parse annotations containing 'gvisor.dev/spec/mount' that gives hints about how mounts are shared between containers inside a pod. This information can be used to better inform how to mount these volumes inside gVisor. For example, a volume that is shared between containers inside a pod can be bind mounted inside the sandbox, instead of being two independent mounts. For now, this information is used to allow the same tmpfs mounts to be shared between containers which wasn't possible before. PiperOrigin-RevId: 252704037
2019-06-11Merge 847c4b97 (automated)gVisor bot
2019-06-11Use net.HardwareAddr for FDBasedLink.LinkAddressFabricio Voznika
It prints formatted to the log. PiperOrigin-RevId: 252699551
2019-06-11Merge a775ae82 (automated)gVisor bot
2019-06-11Fix broken pipe error building version fileFabricio Voznika
(11:34:09) ERROR: /tmpfs/src/github/repo/runsc/BUILD:82:1: Couldn't build file runsc/version.txt: Executing genrule //runsc:deb-version failed (Broken pipe): bash failed: error executing command PiperOrigin-RevId: 252691902
2019-06-11Merge 307a9854 (automated)gVisor bot
2019-06-11gvisor/test: create a per-testcase directory for runsc logsAndrei Vagin
Otherwise it's hard to find a directory for a specific test case. PiperOrigin-RevId: 252636901
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