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2020-01-08Merge release-20191213.0-75-gd01240d (automated)gVisor bot
2020-01-08Take addresses as constTamir Duberstein
PiperOrigin-RevId: 288767927
2020-01-08Merge release-20191213.0-74-gbb96f52 (automated)gVisor bot
2020-01-08Merge pull request #1273 from lubinszARM:pr_ring_3gVisor bot
PiperOrigin-RevId: 288743614
2020-01-08Merge release-20191213.0-72-gdb376e1 (automated)gVisor bot
2020-01-08Make /proc/[pid] offset start at TGID_OFFSETFabricio Voznika
Updates #1195 PiperOrigin-RevId: 288725745
2020-01-08Merge release-20191213.0-71-g9df0187 (automated)gVisor bot
2020-01-08Remove redundant function argumentTamir Duberstein
PacketLooping is already a member on the passed Route. PiperOrigin-RevId: 288721500
2020-01-08Merge release-20191213.0-70-g0cc1e74 (automated)gVisor bot
2020-01-08Add NIC.isLoopback()Bert Muthalaly
...enabling us to remove the "CreateNamedLoopbackNIC" variant of CreateNIC and all the plumbing to connect it through to where the value is read in FindRoute. PiperOrigin-RevId: 288713093
2020-01-08Merge release-20191213.0-69-ga53ac73 (automated)gVisor bot
2020-01-07fs/splice: don't report a partialResult error if there is no data lossAndrei Vagin
PiperOrigin-RevId: 288642552
2020-01-08Merge release-20191213.0-68-ge77ad57 (automated)gVisor bot
2020-01-07Fix partial_bad_buffer write tests.Adin Scannell
The write tests are fitted to Linux-specific behavior, but it is not well-specified. Tweak the tests to allow for both acceptable outcomes. PiperOrigin-RevId: 288606386
2020-01-07Merge release-20191213.0-67-g4e19d16 (automated)gVisor bot
2020-01-07Support deprecating SLAAC addresses after the preferred lifetimeGhanan Gowripalan
Support deprecating network endpoints on a NIC. If an endpoint is deprecated, it should not be used for new connections unless a more preferred endpoint is not available, or unless the deprecated endpoint was explicitly requested. Test: Test that deprecated endpoints are only returned when more preferred endpoints are not available and SLAAC addresses are deprecated after its preferred lifetime PiperOrigin-RevId: 288562705
2020-01-07Merge release-20191213.0-66-g2031cc4 (automated)gVisor bot
2020-01-07Disable auto-generation of IPv6 link-local addresses for loopback NICsGhanan Gowripalan
Test: Test that an IPv6 link-local address is not auto-generated for loopback NICs, even when it is enabled for non-loopback NICS. PiperOrigin-RevId: 288519591
2020-01-07Merge release-20191213.0-65-ged60bc3 (automated)gVisor bot
2020-01-06Fix readme formatting.Kevin Krakauer
PiperOrigin-RevId: 288402480
2020-01-07Merge release-20191213.0-64-g8dfd922 (automated)gVisor bot
2020-01-06Pass the NIC-internal name to the NIC name function when generating opaque IIDsGhanan Gowripalan
Pass the NIC-internal name to the NIC name function when generating opaque IIDs so implementations can use the name that was provided when the NIC was created. Previously, explicit NICID to NIC name resolution was required from the netstack integrator. Tests: Test that the name provided when creating a NIC is passed to the NIC name function when generating opaque IIDs. PiperOrigin-RevId: 288395359
2020-01-07Merge release-20191213.0-63-g17c1824 (automated)gVisor bot
2020-01-06platform/syscall: use syscall + int3 to execute a system call in a stub processAndrei Vagin
Right now, we need to call ptrace(PTRACE_SYSCALL) and wait() twice to execute one system call in a stub process. With these changes, we will need to call ptrace + wait only once. In addition, this allows to workaround the kernel bug when a stub process doesn't stop on syscall-exit-stop and starts executing the next system call. Reported-by: syzbot+37143cafa8dc3b5008ee@syzkaller.appspotmail.com PiperOrigin-RevId: 288393029
2020-01-06Merge release-20191213.0-62-g51f3ab8 (automated)gVisor bot
2020-01-06Convert memfs into proto-tmpfs.Nicolas Lacasse
- Renamed memfs to tmpfs. - Copied fileRangeSet bits from fs/fsutil/ to fsimpl/tmpfs/ - Changed tmpfs to be backed by filemem instead of byte slice. - regularFileReadWriter uses a sync.Pool, similar to gofer client. PiperOrigin-RevId: 288356380
2020-01-06Merge release-20191213.0-61-g354a15a (automated)gVisor bot
2020-01-06Implement rseq(2)Michael Pratt
PiperOrigin-RevId: 288342928
2020-01-06Merge release-20191213.0-60-g6410387 (automated)gVisor bot
2020-01-06Cleanup Shm reference handlingMichael Pratt
Currently, shm.Registry.FindByID will return Shm instances without taking an additional reference on them, making it possible for them to disappear. More explicitly handle references. All callers hold a reference for the duration that they hold the instance. Registry.shms may transitively hold Shms with no references, so it must TryIncRef to determine if they are still valid. PiperOrigin-RevId: 288314529
2020-01-04Merge release-20191213.0-59-g83ab47e (automated)gVisor bot
2020-01-03Use opaque interface identifiers when generating IPv6 addresses via SLAACGhanan Gowripalan
Support using opaque interface identifiers when generating IPv6 addresses via SLAAC when configured to do so. Note, this change does not handle retries in response to DAD conflicts yet. That will also come in a later change. Test: Test that when SLAAC addresses are generated, they use opaque interface identifiers when configured to do so. PiperOrigin-RevId: 288078605
2020-01-04Merge release-20191213.0-58-gbf53d32 (automated)gVisor bot
2020-01-03Remove FIXME comments to close old bug.Zach Koopmans
PiperOrigin-RevId: 288075400
2020-01-03Merge release-20191213.0-57-gd1d878a (automated)gVisor bot
2020-01-03Support generating opaque interface identifiers as defined by RFC 7217Ghanan Gowripalan
Support generating opaque interface identifiers as defined by RFC 7217 for auto-generated IPv6 link-local addresses. Opaque interface identifiers will also be used for IPv6 addresses auto-generated via SLAAC in a later change. Note, this change does not handle retries in response to DAD conflicts yet. That will also come in a later change. Tests: Test that when configured to generated opaque IIDs, they are properly generated as outlined by RFC 7217. PiperOrigin-RevId: 288035349
2019-12-30Merge release-20191213.0-56-g1f384ac (automated)gVisor bot
2019-12-30Add VFS2 support for device special files.Jamie Liu
- Add FileDescriptionOptions.UseDentryMetadata, which reduces the amount of boilerplate needed for device FDs and the like between filesystems. - Switch back to having FileDescription.Init() take references on the Mount and Dentry; otherwise managing refcounts around failed calls to OpenDeviceSpecialFile() / Device.Open() is tricky. PiperOrigin-RevId: 287575574
2019-12-27Merge release-20191213.0-55-g796f53c (automated)gVisor bot
2019-12-27Add VFS2 support for /proc/filesystems.Jamie Liu
Updates #1195 PiperOrigin-RevId: 287269106
2019-12-26Merge release-20191213.0-54-g3c125eb (automated)gVisor bot
2019-12-26Initial procfs implementation in VFSv2Fabricio Voznika
Updates #1195 PiperOrigin-RevId: 287227722
2019-12-26Merge release-20191213.0-53-g5b9034c (automated)gVisor bot
2019-12-26Merge pull request #1461 from xiaobo55x:ptrace_sysemugVisor bot
PiperOrigin-RevId: 287225250
2019-12-26Merge release-20191213.0-51-g7b5a59d (automated)gVisor bot
2019-12-26Merge pull request #1460 from lubinszARM:pr_clean_code1gVisor bot
PiperOrigin-RevId: 287221280
2019-12-26Merge release-20191213.0-49-g87e4d03 (automated)gVisor bot
2019-12-26Automated rollback of changelist 287029703gVisor bot
PiperOrigin-RevId: 287217899
2019-12-24Merge release-20191213.0-48-ge013c48 (automated)gVisor bot
2019-12-24Enable IP_RECVTOS socket option for datagram socketsRyan Heacock
Added the ability to get/set the IP_RECVTOS socket option on UDP endpoints. If enabled, TOS from the incoming Network Header passed as ancillary data in the ControlMessages. Test: * Added unit test to udp_test.go that tests getting/setting as well as verifying that we receive expected TOS from incoming packet. * Added a syscall test PiperOrigin-RevId: 287029703
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