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2020-12-11Merge release-20201208.0-35-g80379894d (automated)gVisor bot
2020-12-11Add runsc symbolize command.Dean Deng
This command takes instruction pointers from stdin and converts them into their corresponding file names and line/column numbers in the runsc source code. The inputs are not interpreted as actual addresses, but as synthetic values that are exposed through /sys/kernel/debug/kcov. One can extract coverage information from kcov and translate those values into locations in the source code by running symbolize on the same runsc binary. This will allow us to generate syzkaller coverage reports. PiperOrigin-RevId: 347089624
2020-12-11Merge release-20201208.0-31-g4cba3904f (automated)gVisor bot
2020-12-11Remove existing nogo exceptions.Adin Scannell
PiperOrigin-RevId: 347047550
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
2020-12-10Merge release-20201130.0-75-g65a2242db (automated)gVisor bot
2020-12-09Tweak aarch64 support.Adin Scannell
A few images were broken with respect to aarch64. We should now be able to run push-all-images with ARCH=aarch64 as part of the regular continuous integration builds, and add aarch64 smoke tests (via user emulation for now) to the regular test suite (future). PiperOrigin-RevId: 346685462
2020-12-07Merge release-20201130.0-50-geeb23531e (automated)gVisor bot
2020-12-07Support icmpv6 transport protocolPeter Johnston
PiperOrigin-RevId: 346101076
2020-12-05Merge release-20201130.0-45-gb80021afd (automated)gVisor bot
2020-12-04Overlay runsc regular file mounts with regular files.Jamie Liu
Fixes #4991 PiperOrigin-RevId: 345800333
2020-12-03Merge release-20201130.0-33-gbec8cea65 (automated)gVisor bot
2020-12-03Surface usage message for `runsc do`.Dean Deng
c.Usage() only returns a string; f.Usage() will print the usage message. PiperOrigin-RevId: 345500123
2020-12-03Support partitions for other tests.Adin Scannell
PiperOrigin-RevId: 345399936
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
2020-11-19Merge release-20201109.0-82-g764504c38 (automated)gVisor bot
2020-11-18runsc: check whether cgroup exists or not for each controllerAndrei Vagin
We have seen a case when a memory cgroup exists but a perf_event one doesn't. Reported-by: syzbot+f31468b61d1a27e629dc@syzkaller.appspotmail.com Reported-by: syzbot+1f163ec0321768f1497e@syzkaller.appspotmail.com PiperOrigin-RevId: 343200070
2020-11-19Merge release-20201109.0-80-g7158095d6 (automated)gVisor bot
2020-11-18Fix race condition in multi-container wait testFabricio Voznika
Container is not thread-safe, locking must be done in the caller. The test was calling Container.Wait() from multiple threads with no synchronization. Also removed Container.WaitPID from test because the process might have already existed when wait is called. PiperOrigin-RevId: 343176280
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
2020-11-16Merge release-20201109.0-51-gcc5cfce4c (automated)gVisor bot
2020-11-16Remove ARP address workaroundGhanan Gowripalan
- Make AddressableEndpoint optional for NetworkEndpoint. Not all NetworkEndpoints need to support addressing (e.g. ARP), so AddressableEndpoint should only be implemented for protocols that support addressing such as IPv4 and IPv6. With this change, tcpip.ErrNotSupported will be returned by the stack when attempting to modify addresses on a network endpoint that does not support addressing. Now that packets are fully handled at the network layer, and (with this change) addresses are optional for network endpoints, we no longer need the workaround for ARP where a fake ARP address was added to each NIC that performs ARP so that packets would be delivered to the ARP layer. PiperOrigin-RevId: 342722547
2020-11-13Merge release-20201030.0-76-g74be0dd0d (automated)gVisor bot
2020-11-12Remove TESTONLY tag from vfs2 flagFabricio Voznika
Updates #1035 PiperOrigin-RevId: 342168926
2020-11-05Re-add start/stop container testsFabricio Voznika
Due to a type doDestroyNotStartedTest was being tested 2x instead of doDestroyStartingTest. PiperOrigin-RevId: 340969797
2020-11-06Merge release-20201030.0-36-g62b0e845b (automated)gVisor bot
2020-11-05Return failure when `runsc events` queries a stopped containerFabricio Voznika
This was causing gvisor-containerd-shim to crash because the command suceeded, but there was no stat present. PiperOrigin-RevId: 340964921
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
2020-11-03Merge release-20201027.0-63-g1cfa8d58f (automated)gVisor bot
2020-11-03Fix more nogo testsTing-Yu Wang
PiperOrigin-RevId: 340536306
2020-10-29Merge release-20201019.0-101-g02fe467b4 (automated)gVisor bot
2020-10-29Keep magic constants out of netstackKevin Krakauer
PiperOrigin-RevId: 339721152
2020-10-29Merge release-20201019.0-95-g3b4674ffe (automated)gVisor bot
2020-10-28Add logging option to leak checker.Dean Deng
Also refactor the template and CheckedObject interface to make this cleaner. Updates #1486. PiperOrigin-RevId: 339577120
2020-10-28Merge release-20201019.0-79-g22ac9b072 (automated)gVisor bot
2020-10-27Merge pull request #4587 from lnsp:stacktracegVisor bot
PiperOrigin-RevId: 339385609
2020-10-28Merge release-20201019.0-77-g93d2d37a9 (automated)gVisor bot
2020-10-27Add more cgroup unit testsFabricio Voznika
PiperOrigin-RevId: 339380431
2020-10-28Merge release-20201019.0-72-g013d79d8e (automated)gVisor bot
2020-10-27Merge pull request #4420 from workato:dev-optionsgVisor bot
PiperOrigin-RevId: 339363816
2020-10-26Allow overriding mount options for /dev and /dev/ptsKonstantin Baranov
This is useful to optionally set /dev ro,noexec. Treat /dev and /dev/pts the same as /proc and /sys. Make sure the Type is right though. Many config.json snippets on the Internet suggest /dev is tmpfs, not devtmpfs.
2020-10-24Merge release-20201019.0-52-g3ed8ace87 (automated)gVisor bot
2020-10-23Fix nogo errors in specutilsFabricio Voznika
PiperOrigin-RevId: 338780793
2020-10-24Merge release-20201019.0-51-g9f87400f0 (automated)gVisor bot
2020-10-23Support VFS2 save/restore.Jamie Liu
Inode number consistency checks are now skipped in save/restore tests for reasons described in greatest detail in StatTest.StateDoesntChangeAfterRename. They pass in VFS1 due to the bug described in new test case SimpleStatTest.DifferentFilesHaveDifferentDeviceInodeNumberPairs. Fixes #1663 PiperOrigin-RevId: 338776148
2020-10-23Merge release-20201019.0-34-g9ca66ec59 (automated)gVisor bot
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