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2021-05-27Merge release-20210518.0-59-g121af3773 (automated)gVisor bot
2021-05-27Support SO_BINDTODEVICE in ICMP socketsSam Balana
Adds support for the SO_BINDTODEVICE socket option in ICMP sockets with an accompanying packetimpact test to exercise use of this socket option. Adds a unit test to exercise the NIC selection logic introduced by this change. The remaining unit tests for ICMP sockets need to be added in a subsequent CL. See https://gvisor.dev/issues/5623 for the list of remaining unit tests. Adds a "timeout" field to PacketimpactTestInfo, necessary due to the long runtime of the newly added packetimpact test. Fixes #5678 Fixes #4896 Updates #5623 Updates #5681 Updates #5763 Updates #5956 Updates #5966 Updates #5967 PiperOrigin-RevId: 376271581
2021-05-27Speed up TestBindToDeviceDistributionKevin Krakauer
Testing only TestBindToDeviceDistribution decreased from 24s to 11s, and with TSAN from 186s to 21s. Note: using `t.Parallel()` actually slows the test down. PiperOrigin-RevId: 376251420
2021-05-27Use fake clocks in all testsTamir Duberstein
...except TCP tests and NDP tests that mutate globals. These will be undertaken later. Updates #5940. PiperOrigin-RevId: 376145608
2021-05-27Merge release-20210518.0-53-g93d98b874 (automated)gVisor bot
2021-05-27Avoid warningsTamir Duberstein
- Don't shadow package name - Don't defer in a loop - Remove unnecessary type conversion PiperOrigin-RevId: 376137822
2021-05-27Merge release-20210518.0-52-g097efe81a (automated)gVisor bot
2021-05-26Use the stack RNG everywhereTamir Duberstein
...except in tests. Note this replaces some uses of a cryptographic RNG with a plain RNG. PiperOrigin-RevId: 376070666
2021-05-26Merge release-20210518.0-50-gb6f915842 (automated)gVisor bot
2021-05-26Clarify commentTamir Duberstein
PiperOrigin-RevId: 376022495
2021-05-26Merge release-20210518.0-49-g9fcc44f99 (automated)gVisor bot
2021-05-26Move presence methods from segment to TCPFlagsTamir Duberstein
PiperOrigin-RevId: 376001032
2021-05-26Merge release-20210518.0-47-g14a70624c (automated)gVisor bot
2021-05-26Alias most local importTamir Duberstein
PiperOrigin-RevId: 375977977
2021-05-26Merge release-20210518.0-46-g931f9709f (automated)gVisor bot
2021-05-26Spawn dequeing task via the clockTamir Duberstein
...and use manual clocks in forwarding and link resolution tests. Fixes #5141. Fixes #6012. PiperOrigin-RevId: 375939167
2021-05-26Merge release-20210518.0-45-gfcad6f91a (automated)gVisor bot
2021-05-26Use the stack clock everywhereTamir Duberstein
Updates #5939. Updates #6012. RELNOTES: n/a PiperOrigin-RevId: 375931554
2021-05-25Merge release-20210518.0-38-g4f2439fb0 (automated)gVisor bot
2021-05-25Use opaque types to represent timeTamir Duberstein
Introduce tcpip.MonotonicTime; replace int64 in tcpip.Clock method returns with time.Time and MonotonicTime to improve type safety and ensure that monotonic clock readings are never compared to wall clock readings. PiperOrigin-RevId: 375775907
2021-05-25Merge release-20210518.0-37-gb8052176d (automated)gVisor bot
2021-05-25Use the stack RNGTamir Duberstein
Remove redundant interface. PiperOrigin-RevId: 375756254
2021-05-25Merge release-20210518.0-31-gd55f3a6b5 (automated)gVisor bot
2021-05-25Use embedded mutex patternTamir Duberstein
PiperOrigin-RevId: 375728461
2021-05-25Merge pull request #6060 from zchee:tcpip-remove-unused-sfilegVisor bot
PiperOrigin-RevId: 375705200
2021-05-24Merge release-20210518.0-28-gdf7c82a60 (automated)gVisor bot
2021-05-24Move RunImmediatelyScheduledJobs to faketimeTamir Duberstein
Use it everywhere. PiperOrigin-RevId: 375539262
2021-05-24Standardize import aliasTamir Duberstein
PiperOrigin-RevId: 375507298
2021-05-24Handle errorsTamir Duberstein
PiperOrigin-RevId: 375490676
2021-05-24Remove unused pkg/tcpip/time.s dummy assembly fileKoichi Shiraishi
Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>
2021-05-22Merge release-20210518.0-25-g74b10e31a (automated)gVisor bot
2021-05-22Remove detritusTamir Duberstein
- Unused constants - Unused functions - Unused arguments - Unkeyed literals - Unnecessary conversions PiperOrigin-RevId: 375253464
2021-05-21Merge release-20210510.0-72-g821cec3f1 (automated)gVisor bot
2021-05-21Add aggregated NIC statsArthur Sfez
This change also includes miscellaneous improvements: * UnknownProtocolRcvdPackets has been separated into two stats, to specify at which layer the unknown protocol was found (L3 or L4) * MalformedRcvdPacket is not aggregated across every endpoint anymore. Doing it this way did not add useful information, and it was also error-prone (example: ipv6 forgot to increment this aggregated stat, it only incremented its own ipv6.MalformedPacketsReceived). It is now only incremented the NIC. * Removed TestStatsString test which was outdated and had no real utility. PiperOrigin-RevId: 375057472
2021-05-21Merge release-20210510.0-66-g9157a91a4 (automated)gVisor bot
2021-05-20Add protocol state to TCPINFOMithun Iyer
Add missing protocol state to TCPINFO struct and update packetimpact. This re-arranges the TCP state definitions to align with Linux. Fixes #478 PiperOrigin-RevId: 374996751
2021-05-19Merge release-20210510.0-62-gb8b43f70c (automated)gVisor bot
2021-05-19Send ICMP errors when link address resolution failsNick Brown
Before this change, we would silently drop packets when link resolution failed. This change brings us into line with RFC 792 (IPv4) and RFC 4443 (IPv6), both of which specify that gateways should return an ICMP error to the sender when link resolution fails. PiperOrigin-RevId: 374699789
2021-05-18use more explicit netstack dependency restrictionsKevin Krakauer
Fuchsia was unable to build when building netstack transitively depended on golang.org/x/unix constants not defined in Fuchsia. The packages causing this (safemem and usermem) are no longer in the allowlist. Tested that this failed at cl/373651666, and passes now that the dependency has been removed. PiperOrigin-RevId: 374570220
2021-05-19Merge release-20210510.0-57-ge290d3370 (automated)gVisor bot
2021-05-18Merge pull request #6009 from kevinGC:anotheraligngVisor bot
PiperOrigin-RevId: 374545882
2021-05-18Merge release-20210510.0-51-g5d04e0ae3 (automated)gVisor bot
2021-05-18Emit more information on panicTamir Duberstein
PiperOrigin-RevId: 374464969
2021-05-17replace use of atomic with AlignedAtomicInt64Kevin Krakauer
2021-05-17Rename variables in IP forwarding testsNick Brown
Previously, we named domain objects using numbers (e.g. "e1", "e2" etc). This change renames objects to clarify whether they are part of the incoming or outgoing path. PiperOrigin-RevId: 374226859
2021-05-14Merge release-20210510.0-42-g820c77d5e (automated)gVisor bot
2021-05-14Validate DAD configs when initializing DAD stateGhanan Gowripalan
Make sure that the initial configurations used by the DAD state is valid. Before this change, an invalid DAD configuration (with a zero-valued retransmit timer) was used so the DAD state would attempt to resolve DAD immediately. This lead to a deadlock in TestDADResolve as when DAD resolves, the stack notifies the NDP dispatcher which would attempt to write to an unbuffered channel while holding a lock. The test goroutine also attempts to obtain a stack.Route (before receiving from the channel) which ends up attempting to take the same lock. Test: stack_test.TestDADResolve PiperOrigin-RevId: 373888540
2021-05-14Control forwarding per NetworkEndpointGhanan Gowripalan
...instead of per NetworkProtocol to better conform with linux (https://www.kernel.org/doc/Documentation/networking/ip-sysctl.txt): ``` conf/interface/* forwarding - BOOLEAN Enable IP forwarding on this interface. This controls whether packets received _on_ this interface can be forwarded. ``` Fixes #5932. PiperOrigin-RevId: 373888000
2021-05-14Merge release-20210510.0-35-g2ac6b7688 (automated)gVisor bot
2021-05-14Fix panic on consume in a mixed push/consume caseTing-Yu Wang
headerOffset() is incorrectly taking account of previous push(), so it thinks there is more data to consume. This change switches to use pk.reserved as pivot point. Reported-by: syzbot+64fef9acd509976f9ce7@syzkaller.appspotmail.com PiperOrigin-RevId: 373846283
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