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2021-01-12Merge release-20201216.0-87-g4e03e8754 (automated)gVisor bot
2021-01-12Fix simple mistakes identified by goreportcard.Adin Scannell
These are primarily simplification and lint mistakes. However, minor fixes are also included and tests added where appropriate. PiperOrigin-RevId: 351425971
2021-01-05Merge release-20201208.0-109-gb06e5bc5b (automated)gVisor bot
2021-01-05Add benchmarks targets to BuildKite.Adin Scannell
This includes minor fix-ups: * Handle SIGTERM in runsc debug, to exit gracefully. * Fix cmd.debug.go opening all profiles as RDONLY. * Fix the test name in fio_test.go, and encode the block size in the test. PiperOrigin-RevId: 350205718
2020-12-30Merge release-20201208.0-91-g85c1c3ed4 (automated)gVisor bot
2020-12-29Make profiling commands synchronous.Adin Scannell
This allows for a model of profiling when you can start collection, and it will terminate when the sandbox terminates. Without this synchronous call, it is effectively impossible to collect length blocking and mutex profiles. PiperOrigin-RevId: 349483418
2020-12-11Merge release-20201130.0-84-gbcb97a3bb (automated)gVisor bot
2020-12-10Disable host reassembly for fragments.Bhasker Hariharan
fdbased endpoint was enabling fragment reassembly on the host AF_PACKET socket to ensure that fragments are delivered inorder to the right dispatcher. But this prevents fragments from being delivered to gvisor at all and makes testing of gvisor's fragment reassembly code impossible. The potential impact from this is minimal since IP Fragmentation is not really that prevelant and in cases where we do get fragments we may deliver the fragment out of order to the TCP layer as multiple network dispatchers may process the fragments and deliver a reassembled fragment after the next packet has been delivered to the TCP endpoint. While not desirable I believe the impact from this is minimal due to low prevalence of fragmentation. Also removed PktType and Hatype fields when binding the socket as these are not used when binding. Its just confusing to have them specified. See: https://man7.org/linux/man-pages/man7/packet.7.html "Fields used for binding are sll_family (should be AF_PACKET), sll_protocol, and sll_ifindex." Fixes #5055 PiperOrigin-RevId: 346919439
2020-11-19Merge release-20201109.0-90-g209a95a35 (automated)gVisor bot
2020-11-19Propagate IP address prefix from host to netstackFabricio Voznika
Closes #4022 PiperOrigin-RevId: 343378647
2020-11-17Merge release-20201109.0-61-ge2d9a68ee (automated)gVisor bot
2020-11-17Add support for TTY in multi-containerFabricio Voznika
Fixes #2714 PiperOrigin-RevId: 342950412
2020-11-05Merge release-20201030.0-32-gc47f8afe2 (automated)gVisor bot
2020-11-05Fix failure setting OOM score adjustmentFabricio Voznika
When OOM score adjustment needs to be set, all the containers need to be loaded to find all containers that belong to the sandbox. However, each load signals the container to ensure it is still alive. OOM score adjustment is set during creation and deletion of every container, generating a flood of signals to all containers. The fix removes the signal check when it's not needed. There is also a race fetching OOM score adjustment value from the parent when the sandbox exits at the same time (the time it took to signal containers above made this window quite large). The fix is to store the original value in the sandbox state file and use it when the value needs to be restored. Also add more logging and made the existing ones more consistent to help with debugging. PiperOrigin-RevId: 340940799
2020-10-06Merge release-20200928.0-57-gb761330ca (automated)gVisor bot
2020-10-06Merge pull request #4355 from majek:marek/swallow-SO_RCVBUFFORCE-errorgVisor bot
PiperOrigin-RevId: 335714100
2020-10-06Merge release-20200928.0-48-g9e64b9f3a (automated)gVisor bot
2020-10-05Fix gofer monitor prematurely destroying containerFabricio Voznika
When all container tasks finish, they release the mount which in turn will close the 9P session to the gofer. The gofer exits when the connection closes, triggering the gofer monitor. The gofer monitor will _think_ that the gofer died prematurely and destroy the container. Then when the caller attempts to wait for the container, e.g. to get the exit code, wait fails saying the container doesn't exist. Gofer monitor now just SIGKILLs the container, and let the normal teardown process to happen, which will evetually destroy the container at the right time. Also, fixed an issue with exec racing with container's init process exiting. Closes #1487 PiperOrigin-RevId: 335537350
2020-09-25Swallow SO_RCVBUFFORCE and SO_SNDBUFFORCE errors on SOCK_RAW socketsMarek Majkowski
In --network=sandbox mode, we create SOCK_RAW sockets on the given network device. The code tries to force-set 4MiB rcv and snd buffers on it, but in certain situations it might fail. There is no reason for refusing the sandbox startup in such case - we should bump the buffers to max availabe size and just move on.
2020-09-01Merge release-20200818.0-102-g2eaf54dd5 (automated)gVisor bot
2020-09-01Refactor tty codebase to use master-replica terminology.Ayush Ranjan
Updates #2972 PiperOrigin-RevId: 329584905
2020-08-27Merge release-20200818.0-66-g32e7a54f7 (automated)gVisor bot
2020-08-26Make flag propagation automaticFabricio Voznika
Use reflection and tags to provide automatic conversion from Config to flags. This makes adding new flags less error-prone, skips flags using default values (easier to read), and makes tests correctly use default flag values for test Configs. Updates #3494 PiperOrigin-RevId: 328662070
2020-08-20Merge release-20200810.0-69-gbe76c7ce6 (automated)gVisor bot
2020-08-19Move boot.Config to its own packageFabricio Voznika
Updates #3494 PiperOrigin-RevId: 327548511
2020-08-05Merge release-20200804.0-19-g190b1e6bd (automated)gVisor bot
2020-08-05Stop profiling when the sentry exitsFabricio Voznika
Also removes `--profile-goroutine` because it's equivalent to `debug --stacks`. PiperOrigin-RevId: 325061502
2020-07-14Merge release-20200622.1-153-g1bfb556cc (automated)gVisor bot
2020-07-14Prepare boot.Loader to support multi-container TTYFabricio Voznika
- Combine process creation code that is shared between root and subcontainer processes - Move root container information into a struct for clarity Updates #2714 PiperOrigin-RevId: 321204798
2020-07-13Merge pull request #2672 from amscanne:shim-integratedgVisor bot
PiperOrigin-RevId: 321053634
2020-07-08Merge release-20200622.1-82-ga75d9f7be (automated)gVisor bot
2020-07-08Drop empty lineMichael Pratt
PiperOrigin-RevId: 320281516
2020-06-16Merge release-20200608.0-67-gdbf786c6b (automated)gVisor bot
2020-06-16Add runsc options to set checksum offloading statusgVisor bot
--tx-checksum-offload=<true|false> enable TX checksum offload (default: false) --rx-checksum-offload=<true|false> enable RX checksum offload (default: true) Fixes #2989 PiperOrigin-RevId: 316781309
2020-05-28Merge release-20200522.0-25-gf7418e21 (automated)gVisor bot
2020-05-28Move Cleanup to its own packageFabricio Voznika
PiperOrigin-RevId: 313663382
2020-05-27Merge release-20200518.0-45-g0bc022b7 (automated)gVisor bot
2020-05-07Merge release-20200422.0-51-g1f4087e (automated)gVisor bot
2020-04-30Merge release-20200422.0-7-gae15d90 (automated)gVisor bot
2020-04-30FIFO QDisc implementationBhasker Hariharan
Updates #231 PiperOrigin-RevId: 309323808
2020-04-23Merge release-20200323.0-215-g0c58694 (automated)gVisor bot
2020-04-22Specify a memory file in platform.New().Andrei Vagin
PiperOrigin-RevId: 307941984
2020-04-10Merge release-20200323.0-111-g2a28e3e (automated)gVisor bot
2020-04-09Don't unconditionally set --panic-signalFabricio Voznika
Closes #2393 PiperOrigin-RevId: 305793027
2020-04-08Merge release-20200323.0-89-g56054fc (automated)gVisor bot
2020-04-07Add friendlier messages for frequently encountered errors.Ian Lewis
Issue #2270 Issue #1765 PiperOrigin-RevId: 305385436
2020-04-07Merge release-20200323.0-85-gacf0259 (automated)gVisor bot
2020-04-07Don't map the 0 uid into a sandbox user namespaceAndrei Vagin
Starting with go1.13, we can specify ambient capabilities when we execute a new process with os/exe.Cmd. PiperOrigin-RevId: 305366706
2020-04-01Merge release-20200323.0-49-g4e6a1a5 (automated)gVisor bot
2020-04-01Automated rollback of changelist 303799678Adin Scannell
PiperOrigin-RevId: 304221302
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