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2021-09-21Merge release-20210906.0-51-ge819029f3 (automated)gVisor bot
2021-09-20[lisa] Plumb lisafs through runsc.Ayush Ranjan
lisafs is only supported in VFS2. Added a runsc flag which enables lisafs. When the flag is enabled, the gofer process and the client communicate using lisafs protocol instead of 9P. Added a filesystem option in fsimpl/gofer which indicates if lisafs is being used. That will be used to gate lisafs on the gofer client. Note that this change does not make the gofer client use lisafs just yet. Updates #5465 PiperOrigin-RevId: 397917844
2021-09-16Merge release-20210906.0-34-g282a4dd52 (automated)gVisor bot
2021-09-16Merge pull request #6579 from prattmic:runsc_do_profilegVisor bot
PiperOrigin-RevId: 397114051
2021-09-16runsc: add global profile collection flagsMichael Pratt
Add global flags -profile-{block,cpu,heap,mutex} and -trace which enable collection of the specified profile for the entire duration of a container execution. This provides a way to definitively start profiling before that application starts, rather than attempting to race with an out-of-band `runsc debug`. Note that only the main boot process is profiled. This exposed a bug in Task.traceExecEvent: a crash when tracing and -race are enabled. traceExecEvent is called off of the task goroutine, but uses the Task as a context, which is a violation of the Task contract. Switching to the AsyncContext fixes the issue. Fixes #220
2021-09-15Merge release-20210906.0-26-g8b56b6b83 (automated)gVisor bot
2021-09-15Pass address properties in a single structTony Gong
Replaced the current AddAddressWithOptions method with AddAddressWithProperties which passes all address properties in a single AddressProperties type. More properties that need to be configured in the future are expected, so adding a type makes adding them easier. PiperOrigin-RevId: 396930729
2021-09-09Merge release-20210830.0-29-g833d933af (automated)gVisor bot
2021-09-09Remove link/packetsocketGhanan Gowripalan
This change removes NetworkDispatcher.DeliverOutboundPacket. Since all packet writes go through the NIC (the only NetworkDispatcher), we can deliver outgoing packets to interested packet endpoints before writing the packet to the link endpoint as the stack expects that all packets that get delivered to a link endpoint are transmitted on the wire. That is, link endpoints no longer need to let the stack know when it writes a packet as the stack already knows about the packet it writes through a link endpoint. PiperOrigin-RevId: 395761629
2021-09-09Merge release-20210830.0-27-g5e9c3a0b9 (automated)gVisor bot
2021-09-09Add EthernetHeader only if underlying NIC has a mac address.Bhasker Hariharan
Fixes #6532 PiperOrigin-RevId: 395741741
2021-09-02Merge release-20210823.0-44-gdfb3273f8 (automated)gVisor bot
2021-09-01Support sending with packet socketsGhanan Gowripalan
...through the loopback interface, only. This change only supports sending on packet sockets through the loopback interface as the loopback interface is the only interface used in packet socket syscall tests - the other link endpoints are not excercised with the existing test infrastructure. Support for sending on packet sockets through the other interfaces will be added as needed. BUG: https://fxbug.dev/81592 PiperOrigin-RevId: 394368899
2021-08-19Merge release-20210806.0-45-g3b4bb9475 (automated)gVisor bot
2021-08-19Add loopback interface as an ethernet-based deviceGhanan Gowripalan
...to match Linux behaviour. We can see evidence of Linux representing loopback as an ethernet-based device below: ``` # EUI-48 based MAC addresses. $ ip link show lo 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 # tcpdump showing ethernet frames when sniffing loopback and logging the # link-type as EN10MB (Ethernet). $ sudo tcpdump -i lo -e -c 2 -n tcpdump: verbose output suppressed, use -v[v]... for full protocol decode listening on lo, link-type EN10MB (Ethernet), snapshot length 262144 bytes 03:09:05.002034 00:00:00:00:00:00 > 00:00:00:00:00:00, ethertype IPv4 (0x0800), length 66: 127.0.0.1.9557 > 127.0.0.1.36828: Flags [.], ack 3562800815, win 15342, options [nop,nop,TS val 843174495 ecr 843159493], length 0 03:09:05.002094 00:00:00:00:00:00 > 00:00:00:00:00:00, ethertype IPv4 (0x0800), length 66: 127.0.0.1.36828 > 127.0.0.1.9557: Flags [.], ack 1, win 6160, options [nop,nop,TS val 843174496 ecr 843159493], length 0 2 packets captured 116 packets received by filter 0 packets dropped by kernel ``` Wireshark shows a similar result as the tcpdump example above. Linux's loopback setup: https://github.com/torvalds/linux/blob/5bfc75d92efd494db37f5c4c173d3639d4772966/drivers/net/loopback.c#L162 PiperOrigin-RevId: 391836719
2021-08-18Merge release-20210806.0-42-g75b5a4f45 (automated)gVisor bot
2021-08-18Add control configsChong Cai
Also plumber the controls through runsc PiperOrigin-RevId: 391594318
2021-08-13Merge release-20210806.0-27-g6eb8596f7 (automated)gVisor bot
2021-08-13Add Event controlsChong Cai
Add Event controls and implement "stream" commands. PiperOrigin-RevId: 390691702
2021-08-13Merge release-20210806.0-22-gddcf884e9 (automated)gVisor bot
2021-08-12Add Usage controlsChong Cai
Add Usage controls and implement "usage/usagefd" commands. PiperOrigin-RevId: 390507423
2021-08-04Merge release-20210726.0-32-gcbb99336c (automated)gVisor bot
2021-08-04Add Fs controlsChong Cai
Add Fs controls and implement "cat" command. PiperOrigin-RevId: 388812540
2021-08-03Merge release-20210726.0-30-g8caf231cb (automated)gVisor bot
2021-08-03Add Lifecycle controlsChong Cai
Also change runsc pause/resume cmd to access Lifecycle instead of containerManager. PiperOrigin-RevId: 388534928
2021-07-28Merge release-20210720.0-39-g964fb3ca7 (automated)gVisor bot
2021-07-23Merge release-20210712.0-58-g0eea96057 (automated)gVisor bot
2021-07-23Add support for SIOCGIFCONF ioctl in hostinet.Lucas Manning
PiperOrigin-RevId: 386511818
2021-07-21Merge release-20210712.0-32-g990cd1a95 (automated)gVisor bot
2021-07-20Don't kill container when volume is unmountedFabricio Voznika
The gofer session is killed when a gofer backed volume is unmounted. The gofer monitor catches the disconnect and kills the container. This changes the gofer monitor to only care about the rootfs connections, which cannot be unmounted. Fixes #6259 PiperOrigin-RevId: 385929039
2021-07-20Merge release-20210712.0-29-g1ad382220 (automated)gVisor bot
2021-07-20Add go:build directives as required by Go 1.17's gofmt.Jamie Liu
PiperOrigin-RevId: 385894869
2021-07-13Merge release-20210705.0-19-gc16e69a9d (automated)gVisor bot
2021-07-13Use consistent naming for subcontainersFabricio Voznika
It was confusing to find functions relating to root and non-root containers. Replace "non-root" and "subcontainer" and make naming consistent in Sandbox and controller. PiperOrigin-RevId: 384512518
2021-07-13Merge release-20210705.0-14-g275932bf0 (automated)gVisor bot
2021-07-12Fix stdios ownershipFabricio Voznika
Set stdio ownership based on the container's user to ensure the user can open/read/write to/from stdios. 1. stdios in the host are changed to have the owner be the same uid/gid of the process running the sandbox. This ensures that the sandbox has full control over it. 2. stdios owner owner inside the sandbox is changed to match the container's user to give access inside the container and make it behave the same as runc. Fixes #6180 PiperOrigin-RevId: 384347009
2021-07-12Merge release-20210705.0-12-g7132b9a07 (automated)gVisor bot
2021-07-12Fix GoLand analyzer errors under runsc/...Fabricio Voznika
PiperOrigin-RevId: 384344990
2021-07-08Merge release-20210628.0-31-g052eb90dc (automated)gVisor bot
2021-07-08Replace kernel.ExitStatus with linux.WaitStatus.Jamie Liu
PiperOrigin-RevId: 383705129
2021-07-01Merge release-20210628.0-16-g590b8d3e9 (automated)gVisor bot
2021-07-01[syserror] Update several syserror errors to linuxerr equivalents.Zach Koopmans
Update/remove most syserror errors to linuxerr equivalents. For list of removed errors, see //pkg/syserror/syserror.go. PiperOrigin-RevId: 382574582
2021-06-30Merge release-20210628.0-9-g90dbb4b0c (automated)gVisor bot
2021-06-29Add SIOCGIFFLAGS ioctl support to hostinet.Lucas Manning
PiperOrigin-RevId: 382194711
2021-06-28Merge release-20210622.0-29-g2d899a843 (automated)gVisor bot
2021-06-28Exit early with error message on checkpoint/pause w/ hostinet.Ian Lewis
PiperOrigin-RevId: 381964660
2021-06-25Merge release-20210614.0-34-ge5526f4f2 (automated)gVisor bot
2021-06-25Merge pull request #6222 from avagin:stopgVisor bot
PiperOrigin-RevId: 381561785
2021-06-22Merge release-20210614.0-14-ge1dc1c78e (automated)gVisor bot
2021-06-22[syserror] Add conversions to linuxerr with temporary Equals method.Zach Koopmans
Add Equals method to compare syserror and unix.Errno errors to linuxerr errors. This will facilitate removal of syserror definitions in a followup, and finding needed conversions from unix.Errno to linuxerr. PiperOrigin-RevId: 380909667
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