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2019-11-22Merge release-20191114.0-21-gf27f38d (automated)gVisor bot
2019-11-22Add segment dequeue check while emptying segment queue.Mithun Iyer
PiperOrigin-RevId: 282023891
2019-11-22Merge release-20191114.0-20-g07635d2 (automated)gVisor bot
2019-11-22enable ring0/pagetables to support arm64lubinszARM
Signed-off-by: Bin Lu <bin.lu@arm.com> COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/891 from lubinszARM:pr_pagetable 2385de75a8662af3ab1ae289dd74dd0e5dcfaf66 PiperOrigin-RevId: 282013224
2019-11-21Merge release-20191114.0-18-gc0f89eb (automated)gVisor bot
2019-11-21Import and structure cleanup.Adin Scannell
PiperOrigin-RevId: 281795269
2019-11-20Merge release-20191114.0-16-g012102e (automated)gVisor bot
2019-11-20Pass OpenTruncate to gofer in Open call when opening file with O_TRUNC.Nicolas Lacasse
Note that the Sentry still calls Truncate() on the file before calling Open. A new p9 version check was added to ensure that the p9 server can handle the the OpenTruncate flag. If not, then the flag is stripped before sending. PiperOrigin-RevId: 281609112
2019-11-19Merge release-20191114.0-15-gef6f936 (automated)gVisor bot
2019-11-18Add vfs.GenericParseMountOptions().Jamie Liu
Equivalent to fs.GenericMountSourceOptions(). PiperOrigin-RevId: 281179287
2019-11-18Merge release-20191114.0-14-g26b3341 (automated)gVisor bot
2019-11-18platform/ptrace: use host.GetCPU instead of the getcpu syscallAndrei Vagin
This should save ~200ns from switchToApp (on ptrace too). // mpratt PiperOrigin-RevId: 281159895
2019-11-18Merge release-20191114.0-13-g235a96c (automated)gVisor bot
2019-11-18Merge pull request #1177 from xiaobo55x:fs_hostgVisor bot
PiperOrigin-RevId: 281112758
2019-11-16Merge release-20191104.0-48-g5107e6b (automated)gVisor bot
2019-11-15Automated rollback of changelist 280594395Bhasker Hariharan
PiperOrigin-RevId: 280763655
2019-11-15Merge release-20191104.0-47-g3e534f2 (automated)gVisor bot
2019-11-15Handle in-flight TCP segments when moving to CLOSE.Mithun Iyer
As we move to CLOSE state from LAST-ACK or TIME-WAIT, ensure that we re-match all in-flight segments to any listening endpoint. Also fix LISTEN state handling of any ACK segments as per RFC793. Fixes #1153 PiperOrigin-RevId: 280703556
2019-11-15Merge release-20191104.0-46-g76039f8 (automated)gVisor bot
2019-11-15Do not set finalizer on p9.ClientFile.Jamie Liu
Aside from the performance hit, there is no guarantee that p9.ClientFile's finalizer runs before the associated p9.Client is closed. PiperOrigin-RevId: 280702509
2019-11-15Merge release-20191104.0-45-g23574b1 (automated)gVisor bot
2019-11-14Fix panic when logging raw packets via sniffer.Kevin Krakauer
Sniffer assumed that outgoing packets have transport headers, but users can write packets via SOCK_RAW with arbitrary transport headers that netstack doesn't know about. We now explicitly check for the presence of network and transport headers before assuming they exist. PiperOrigin-RevId: 280594395
2019-11-15Merge release-20191104.0-44-gaf323eb (automated)gVisor bot
2019-11-14Fix return codes for {get,set}sockopt for some nullptr cases.Ting-Yu Wang
Updates #1092 PiperOrigin-RevId: 280547239
2019-11-15Merge release-20191104.0-43-g339536d (automated)gVisor bot
2019-11-14Check that a file is a regular file with open(O_TRUNC).Kevin Krakauer
It was possible to panic the sentry by opening a cache revalidating folder with O_TRUNC|O_CREAT. Avoids breaking php tests. PiperOrigin-RevId: 280533213
2019-11-14Merge release-20191104.0-41-g9ca15db (automated)gVisor bot
2019-11-14Avoid unnecessary slice allocation in usermem.BytesIO.blocksFromAddrRanges().Jamie Liu
PiperOrigin-RevId: 280507239
2019-11-14Merge release-20191104.0-40-g3f7d937 (automated)gVisor bot
2019-11-14Use PacketBuffers for outgoing packets.Kevin Krakauer
PiperOrigin-RevId: 280455453
2019-11-13Merge release-20191104.0-38-g6dd4c9e (automated)gVisor bot
2019-11-13Fix flaky behaviour during S/R.Bhasker Hariharan
PiperOrigin-RevId: 280280156
2019-11-13Merge release-20191104.0-36-gc2d3dc0 (automated)gVisor bot
2019-11-12Use overlay MountSource when binding socket in overlay.Nicolas Lacasse
PiperOrigin-RevId: 280131840
2019-11-13Fix some build errors on arm64.Haibo Xu
Initialize the VDSO "os" and "arch" fields explicitly, or the VDSO load process would failed on arm64 platform. Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: Ic6768df88e43cd7c7956eb630511672ae11ac52f
2019-11-13Enable sentry/fs/host support on arm64.Haibo Xu
newfstatat() syscall is not supported on arm64, so we resort to use the fstatat() syscall. Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: Iea95550ea53bcf85c01f7b3b95da70ad0952177d
2019-11-13Merge release-20191104.0-34-gca9cba6 (automated)gVisor bot
2019-11-12seccomp: introduce the GreaterThan rule typeAndrei Vagin
PiperOrigin-RevId: 280075805
2019-11-12Merge release-20191104.0-33-g3f51bef (automated)gVisor bot
2019-11-12Do not handle TCP packets that include a non-unicast IP addressGhanan Gowripalan
This change drops TCP packets with a non-unicast IP address as the source or destination address as TCP is meant for communication between two endpoints. Test: Make sure that if the source or destination address contains a non-unicast address, no TCP packet is sent in response and the packet is dropped. PiperOrigin-RevId: 280073731
2019-11-12Merge release-20190806.1-397-g5398530 (automated)gVisor bot
2019-11-12Discover on-link prefixes from Router Advertisements' Prefix Information optionsGhanan Gowripalan
This change allows the netstack to do NDP's Prefix Discovery as outlined by RFC 4861 section 6.3.4. If configured to do so, when a new on-link prefix is discovered, the routing table will be updated with a device route through the nic the RA arrived at. Likewise, when such a prefix gets invalidated, the device route will be removed. Note, this change will not break existing uses of netstack as the default configuration for the stack options is set in such a way that Prefix Discovery will not be performed. See `stack.Options` and `stack.NDPConfigurations` for more details. This change reuses 1 option and introduces a new one that is required to take advantage of Prefix Discovery, all available under NDPConfigurations: - HandleRAs: Whether or not NDP RAs are processes - DiscoverOnLinkPrefixes: Whether or not Prefix Discovery is performed (new) Another note: for a NIC to process Prefix Information options (in Router Advertisements), it must not be a router itself. Currently the netstack does not have per-interface routing configuration; the routing/forwarding configuration is controlled stack-wide. Therefore, if the stack is configured to enable forwarding/routing, no router Advertisements (and by extension the Prefix Information options) will be processed. Tests: Unittest to make sure that Prefix Discovery and updates to the routing table only occur if explicitly configured to do so. Unittest to make sure at max stack.MaxDiscoveredOnLinkPrefixes discovered on-link prefixes are remembered. PiperOrigin-RevId: 280049278
2019-11-12Merge release-20190806.1-396-g57a2a5e (automated)gVisor bot
2019-11-12Add tests for SO_REUSEADDR and SO_REUSEPORT.Ian Gudger
* Basic tests for the SO_REUSEADDR and SO_REUSEPORT options. * SO_REUSEADDR functional tests for TCP and UDP. * SO_REUSEADDR and SO_REUSEPORT interaction tests for UDP. * Stubbed support for UDP getsockopt(SO_REUSEADDR). PiperOrigin-RevId: 280049265
2019-11-12Merge release-20190806.1-393-g07f9041 (automated)gVisor bot
2019-11-11Merge pull request #918 from lubinszARM:pr_ring0gVisor bot
PiperOrigin-RevId: 279840214
2019-11-11Merge release-20190806.1-390-ge09e7bf (automated)gVisor bot
2019-11-11Add more extended features.Brad Burlage
PiperOrigin-RevId: 279820435
2019-11-11Merge release-20190806.1-389-g7730716 (automated)gVisor bot
2019-11-11Make `connect` on socket returned by `accept` correctly error out with EISCONNgVisor bot
PiperOrigin-RevId: 279814493
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