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2020-01-09Merge release-20191213.0-84-g290908f (automated)gVisor bot
2020-01-09Add test to check iptables redirect port ruleNayana Bidari
2020-01-09Configure issue reviver to run with KokoroFabricio Voznika
PiperOrigin-RevId: 288921032
2020-01-09Avoid panic when c.PCIDs is nilLai Jiangshan
When PCID is disabled, there would throw a panic when dropPageTables() access to c.PCID without check. Signed-off-by: Lai Jiangshan <eag0628@gmail.com>
2020-01-08It works! It drops some packets.Kevin Krakauer
2020-01-08Merge branch 'iptables-write' into iptables-write-input-dropKevin Krakauer
2020-01-09Merge release-20191213.0-83-gd057871 (automated)gVisor bot
2020-01-08CancellableTimer to encapsulate the work of safely stopping timersGhanan Gowripalan
Add a new CancellableTimer type to encapsulate the work of safely stopping timers when it fires at the same time some "related work" is being handled. The term "related work" is some work that needs to be done while having obtained some common lock (L). Example: Say we have an invalidation timer that may be extended or cancelled by some event. Creating a normal timer and simply cancelling may not be sufficient as the timer may have already fired when the event handler attemps to cancel it. Even if the timer and event handler obtains L before doing work, once the event handler releases L, the timer will eventually obtain L and do some unwanted work. To prevent the timer from doing unwanted work, it checks if it should early return instead of doing the normal work after obtaining L. When stopping the timer callers must have L locked so the timer can be safely informed that it should early return. Test: Tests that CancellableTimer fires and resets properly. Test to make sure the timer fn is not called after being stopped within the lock L. PiperOrigin-RevId: 288806984
2020-01-09Merge release-20191213.0-82-gfbb2c00 (automated)gVisor bot
2020-01-08More GH comments.Kevin Krakauer
2020-01-08Return correct length with MSG_TRUNC for unix sockets.Ian Lewis
This change calls a new Truncate method on the EndpointReader in RecvMsg for both netlink and unix sockets. This allows readers such as sockets to peek at the length of data without actually reading it to a buffer. Fixes #993 #1240 PiperOrigin-RevId: 288800167
2020-01-09Merge release-20191213.0-81-g565b641 (automated)gVisor bot
2020-01-08Define sizes for extent headers and entries separately to improve clarity.Dean Deng
PiperOrigin-RevId: 288799694
2020-01-09Merge release-20191213.0-80-gb3ae8a6 (automated)gVisor bot
2020-01-08Addressed GH commentsKevin Krakauer
2020-01-08Fix slice bounds out of range panic in parsing socket control message.Ting-Yu Wang
Panic found by syzakller. PiperOrigin-RevId: 288799046
2020-01-09Merge release-20191213.0-79-g1c24201 (automated)gVisor bot
2020-01-08Github bug reviverFabricio Voznika
For everyone's joy, this is a tool that reopens issues that have been closed, but are still referenced by TODOs in the code. The idea is to run it in Kokoro nightly. Kokoro changes are coming up next. PiperOrigin-RevId: 288789560
2020-01-08Getting a panic when running tests. For some reason the filter table isKevin Krakauer
ending up with the wrong chains and is indexing -1 into rules.
2020-01-08Merge release-20191213.0-78-gd530df2 (automated)gVisor bot
2020-01-08Introduce tcpip.SockOptBoolTamir Duberstein
...and port V6OnlyOption to it. PiperOrigin-RevId: 288789451
2020-01-08Merge release-20191213.0-77-ge21c584 (automated)gVisor bot
2020-01-08Combine various Create*NIC methods into CreateNICWithOptions.Bert Muthalaly
PiperOrigin-RevId: 288779416
2020-01-08Built dead-simple traversal, but now getting depedency cycle error :'(Kevin Krakauer
2020-01-08Merge release-20191213.0-76-ga271bcc (automated)gVisor bot
2020-01-08Rename tcpip.SockOpt{,Int}Tamir Duberstein
PiperOrigin-RevId: 288772878
2020-01-08Merge release-20191213.0-75-gd01240d (automated)gVisor bot
2020-01-08Take addresses as constTamir Duberstein
PiperOrigin-RevId: 288767927
2020-01-08Added test for unconditional DROP on the filter INPUT chainKevin Krakauer
2020-01-08First commit -- re-adding DROPKevin Krakauer
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
2020-01-08Revert go.mod and go.sumKevin Krakauer
2020-01-08Comment cleanup.Kevin Krakauer
2020-01-08NewlineKevin Krakauer
2020-01-08Revert filter_input changeKevin Krakauer
2020-01-08Minor fixes to comments and loggingKevin Krakauer
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
2020-01-08Write simple ACCEPT rules to the filter table.Kevin Krakauer
This gets us closer to passing the iptables tests and opens up iptables so it can be worked on by multiple people. A few restrictions are enforced for security (i.e. we don't want to let users write a bunch of iptables rules and then just not enforce them): - Only the filter table is writable. - Only ACCEPT rules with no matching criteria can be added.
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
2020-01-08Fix #1522 - implement silly window sydrome protection on rx sideMarek Majkowski
Before, each of small read()'s that raises window either from zero or above threshold of aMSS, would generate an ACK. In a classic silly-window-syndrome scenario, we can imagine a pessimistic case when small read()'s generate a stream of ACKs. This PR fixes that, essentially treating window size < aMSS as zero. We send ACK exactly in a moment when window increases to >= aMSS or half of receive buffer size (whichever smaller).
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
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