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2020-07-23Merge release-20200622.1-198-gfc26b3764 (automated)gVisor bot
2020-07-23Merge pull request #3207 from kevinGC:icmp-connectgVisor bot
PiperOrigin-RevId: 322853192
2020-07-23Merge release-20200622.1-196-g20b556e62 (automated)gVisor bot
2020-07-23Fix wildcard bind for raw socket.Bhasker Hariharan
Fixes #3334 PiperOrigin-RevId: 322846384
2020-07-23Merge release-20200622.1-195-g6f7f73996 (automated)gVisor bot
2020-07-23Marshallable socket opitons.Ayush Ranjan
Socket option values are now required to implement marshal.Marshallable. Co-authored-by: Rahat Mahmood <rahat@google.com> PiperOrigin-RevId: 322831612
2020-07-23Merge release-20200622.1-194-g384369e01 (automated)gVisor bot
2020-07-23Merge release-20200622.1-193-gb396d3882 (automated)gVisor bot
2020-07-23Port sendfile to vfs2.Nicolas Lacasse
And do some refactoring of the wait logic in sendfile/splice/tee. Updates #1035 #2923 PiperOrigin-RevId: 322815521
2020-07-23Merge release-20200622.1-192-g4fbd0728a (automated)gVisor bot
2020-07-23[vfs2][gofer] Fix update attributes race condition.Ayush Ranjan
We were getting the file attributes before locking the metadataMu which was causing stale updates to the file attributes. Fixes OpenTest_AppendConcurrentWrite. Updates #2923 PiperOrigin-RevId: 322804438
2020-07-23Merge release-20200622.1-191-g36257e6b7 (automated)gVisor bot
2020-07-23Merge release-20200622.1-189-g14839e027 (automated)gVisor bot
2020-07-23Merge release-20200622.1-188-gc9399797d (automated)gVisor bot
2020-07-22make connect(2) fail when dest is unreachableKevin Krakauer
Previously, ICMP destination unreachable datagrams were ignored by TCP endpoints. This caused connect to hang when an intermediate router couldn't find a route to the host. This manifested as a Kokoro error when Docker IPv6 was enabled. The Ruby image test would try to install the sinatra gem and hang indefinitely attempting to use an IPv6 address. Fixes #3079.
2020-07-22iptables: don't NAT existing connectionsKevin Krakauer
Fixes a NAT bug that manifested as: - A SYN was sent from gVisor to another host, unaffected by iptables. - The corresponding SYN/ACK was NATted by a PREROUTING REDIRECT rule despite being part of the existing connection. - The socket that sent the SYN never received the SYN/ACK and thus a connection could not be established. We handle this (as Linux does) by tracking all connections, inserting a no-op conntrack rule for new connections with no rules of their own. Needed for istio support (#170).
2020-07-22Merge release-20200622.1-187-gbd98f8201 (automated)gVisor bot
2020-07-22iptables: replace maps with arraysKevin Krakauer
For iptables users, Check() is a hot path called for every packet one or more times. Let's avoid a bunch of map lookups. PiperOrigin-RevId: 322678699
2020-07-22Merge release-20200622.1-186-g9654bf04a (automated)gVisor bot
2020-07-22[vfs2][tmpfs] Implement O_APPENDAyush Ranjan
Updates #2923 PiperOrigin-RevId: 322671489
2020-07-22Merge release-20200622.1-185-g39525d64c (automated)gVisor bot
2020-07-22Add O_APPEND support in vfs2 gofer.Ayush Ranjan
Helps in fixing open syscall tests: AppendConcurrentWrite and AppendOnly. We also now update the file size for seekable special files (regular files) which we were not doing earlier. Updates #2923 PiperOrigin-RevId: 322670843
2020-07-22Merge release-20200622.1-184-g71bf90c55 (automated)gVisor bot
2020-07-22Support for receiving outbound packets in AF_PACKET.Bhasker Hariharan
Updates #173 PiperOrigin-RevId: 322665518
2020-07-22Merge release-20200622.1-183-g13c0cca50 (automated)gVisor bot
2020-07-21Merge release-20200622.1-182-ge1a04f84e (automated)gVisor bot
2020-07-20Add standard entrypoints for test targets.Adin Scannell
PiperOrigin-RevId: 322265513
2020-07-18Merge release-20200622.1-181-gfeb1d3d5a (automated)gVisor bot
2020-07-18Merge release-20200622.1-180-g5593320be (automated)gVisor bot
2020-07-18Merge release-20200622.1-179-g40acd22bc (automated)gVisor bot
2020-07-17Merge release-20200622.1-178-ge3c2bd51a (automated)gVisor bot
2020-07-17Merge release-20200622.1-177-g03c30ec63 (automated)gVisor bot
2020-07-17Merge release-20200622.1-176-g40826b055 (automated)gVisor bot
2020-07-17Merge release-20200622.1-175-gc0ee95198 (automated)gVisor bot
2020-07-17Merge release-20200622.1-174-g7e226c807 (automated)gVisor bot
2020-07-17Merge release-20200622.1-173-gdcf6ddc27 (automated)gVisor bot
2020-07-16Add support to return protocol in recvmsg for AF_PACKET.Bhasker Hariharan
Updates #173 PiperOrigin-RevId: 321690756
2020-07-16Merge release-20200622.1-172-ge6894cb99 (automated)gVisor bot
2020-07-16Merge release-20200622.1-171-gc66991ad7 (automated)gVisor bot
2020-07-16Add ethernet broadcast address constantGhanan Gowripalan
PiperOrigin-RevId: 321620517
2020-07-16Merge release-20200622.1-170-g0a745cb34 (automated)gVisor bot
2020-07-15Merge pull request #3236 from craig08:fuse-kernfs-inode-stat-add-ctxgVisor bot
PiperOrigin-RevId: 321496734
2020-07-16Merge release-20200622.1-168-g5c8c0d65b (automated)gVisor bot
2020-07-15Merge release-20200622.1-167-ge92f38ff0 (automated)gVisor bot
2020-07-15iptables: remove check for NetworkHeaderKevin Krakauer
This is no longer necessary, as we always set NetworkHeader before calling iptables.Check. PiperOrigin-RevId: 321461978
2020-07-15Merge release-20200622.1-166-gbdbab2702 (automated)gVisor bot
2020-07-15Merge release-20200622.1-164-gdb653bb34 (automated)gVisor bot
2020-07-15Merge release-20200622.1-163-g857d03f25 (automated)gVisor bot
2020-07-15fdbased: Vectorized write for packet; relax writev syscall filter.Ting-Yu Wang
Now it calls pkt.Data.ToView() when writing the packet. This may require copying when the packet is large, which puts the worse case in an even worse situation. This sent out in a separate preparation change as it requires syscall filter changes. This change will be followed by the change for the adoption of the new PacketHeader API. PiperOrigin-RevId: 321447003
2020-07-15Add support for SO_ERROR to packet sockets.Bhasker Hariharan
Packet sockets also seem to allow double binding and do not return an error on linux. This was tested by running the syscall test in a linux namespace as root and the current test DoubleBind fails@HEAD. Passes after this change. Updates #173 PiperOrigin-RevId: 321445137
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