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2021-06-10Merge release-20210601.0-40-g450692e03 (automated)gVisor bot
2021-06-10Report task exit in /proc/[pid]/{stat,status} before task goroutine exit.Jamie Liu
Between when runExitNotify.execute() returns nil (indicating that the task goroutine should exit) and when Task.run() advances Task.gosched.State to TaskGoroutineNonexistent (indicating that the task goroutine is exiting), there is a race window in which the Task is waitable (since TaskSet.mu is unlocked and Task.exitParentNotified is true) but will be reported by /proc/[pid]/status as running. Close the window by checking Task.exitState before task goroutine exit. PiperOrigin-RevId: 378711484
2021-06-10Merge release-20210601.0-39-g9ede1a605 (automated)gVisor bot
2021-06-10[op] Move SignalInfo to abi/linux package.Ayush Ranjan
Fixes #214 PiperOrigin-RevId: 378680466
2021-06-10Merge release-20210601.0-38-gd3ebc2db6 (automated)gVisor bot
2021-06-10remove the erroneous (5th) filter argument to sendmmsg.gVisor bot
PiperOrigin-RevId: 378677167
2021-06-10Merge release-20210601.0-37-gc867c5526 (automated)gVisor bot
2021-06-10Merge pull request #6103 from sudo-sturbia:semaphore-errgVisor bot
PiperOrigin-RevId: 378607458
2021-06-10Merge release-20210601.0-34-ga51fcf22e (automated)gVisor bot
2021-06-10[op] Move SignalStack to abi/linux package.Ayush Ranjan
Updates #214 PiperOrigin-RevId: 378594929
2021-06-10Merge release-20210601.0-33-g8d87a9418 (automated)gVisor bot
2021-06-09[op] Move SignalAct to abi/linux package.Ayush Ranjan
There were also other duplicate definitions of the same struct that I have now removed. Updates #214 PiperOrigin-RevId: 378579954
2021-06-10Merge release-20210601.0-32-g8a7b5a4a8 (automated)gVisor bot
2021-06-09Change TODO bug to a more specific issueKevin Krakauer
This lets us close a tracking bug that's too widely-scoped to be reasonably finished. PiperOrigin-RevId: 378563203
2021-06-10Merge release-20210601.0-31-g0c37626a0 (automated)gVisor bot
2021-06-09Decommit huge-page-aligned regions during reclaim under manual zeroing.Jamie Liu
PiperOrigin-RevId: 378546551
2021-06-10Merge release-20210601.0-30-g3fb646ed1 (automated)gVisor bot
2021-06-09Rename go files that contain "main" function to main.go.Nicolas Lacasse
This is a good Go convention that we should follow. PiperOrigin-RevId: 378538679
2021-06-09Merge release-20210601.0-29-g1ca981f50 (automated)gVisor bot
2021-06-09Remove --overlayfs-stale-read flagFabricio Voznika
It defaults to true and setting it to false can cause filesytem corruption. PiperOrigin-RevId: 378518663
2021-06-09Merge release-20210601.0-28-g2e574a990 (automated)gVisor bot
2021-06-09Merge pull request #6128 from kevinGC:fanout-pidgVisor bot
PiperOrigin-RevId: 378506076
2021-06-09Merge release-20210601.0-26-g539fe2b61 (automated)gVisor bot
2021-06-09Remove unnecessary TODO bug.Nicolas Lacasse
The bug id was not adding anything relevant here PiperOrigin-RevId: 378485983
2021-06-09Merge release-20210601.0-25-g25f3c7bd2 (automated)gVisor bot
2021-06-09Change TODO to NOTE.Nicolas Lacasse
It's in VFS1 code, so we probably will not do it. PiperOrigin-RevId: 378474174
2021-06-09Avoid fanout group collisions with best effortKevin Krakauer
Running multiple instances of netstack in the same network namespace can cause collisions when enabling packet fanout for fdbased endpoints. The only bulletproof fix is to run in different network namespaces, but by using `getpid()` instead of 0 as the fanout ID starting point we can avoid collisions in the common case, particularly when testing/experimenting. Addresses #6124
2021-06-09Merge release-20210601.0-24-g927bb2651 (automated)gVisor bot
2021-06-08Don't mark issues as stale.Ian Lewis
PiperOrigin-RevId: 378306356
2021-06-08Merge release-20210601.0-23-gcf713ee69 (automated)gVisor bot
2021-06-08Merge pull request #6137 from Skallwar:fix_syscalls_test_gcc_11gVisor bot
PiperOrigin-RevId: 378262750
2021-06-08Add comment on abseil/grpc dependency precedenceEsteban Blanc
Signed-off-by: Esteban Blanc <esteban.blanc@lse.epita.fr>
2021-06-08Update abseil dependencyEsteban Blanc
Signed-off-by: Esteban Blanc <esteban.blanc@lse.epita.fr>
2021-06-08Merge release-20210601.0-20-g77930d0d5 (automated)gVisor bot
2021-06-07Exclusively lock IPv6 EP when modifying addressesGhanan Gowripalan
...as address add/removal updates multicast group memberships and NDP state. This partially reverts the change made to the IPv6 endpoint in https://github.com/google/gvisor/commit/ebebb3059f7c5dbe42af85715f1c51c. PiperOrigin-RevId: 378061726
2021-06-07Merge release-20210601.0-19-ge710aceb5 (automated)gVisor bot
2021-06-07Remove unsupported syscall event for setsockopt(*, SOL_SOCKET, SO_OOBINLINE).Nicolas Lacasse
Netstack behaves as if SO_OOBINLINE is always set, and was logging an unsupported syscall event if the app tries to disable it. We don't have a real use case for TCP urgent mechanisms (and RFC6093 says apps SHOULD NOT use it). This CL keeps the current behavior, but removes the unsupported syscall event. Fixes #6123 PiperOrigin-RevId: 378026059
2021-06-07Merge release-20210601.0-18-gb3a44bfab (automated)gVisor bot
2021-06-07test: use std::vector instead of allocating memory with callocAndrei Vagin
A memory that is allocated with calloc has to be freed. PiperOrigin-RevId: 378001409
2021-06-07Merge release-20210601.0-17-g7e4e71253 (automated)gVisor bot
2021-06-07cgroupfs: don't add a task in the root cgroup if it is already there.Andrei Vagin
PiperOrigin-RevId: 377975013
2021-06-07Merge release-20210601.0-16-gee1003bde (automated)gVisor bot
2021-06-07Implement RENAME_NOREPLACE for all VFS2 filesystem implementations.Jamie Liu
PiperOrigin-RevId: 377966969
2021-06-07Merge release-20210601.0-15-g3d199e8e5 (automated)gVisor bot
2021-06-07Update dependencies so that the 'go' branch builds.Ian Lewis
The go branch requires that indirect dependencies be specified in go.mod/go.sum as well as direct dependencies in order to work. This includes dependencies that arise from code that is normally generated or otherwise handled by bazel. Fixes #6053 PiperOrigin-RevId: 377955230
2021-06-05Merge release-20210518.0-77-g993fff4e1 (automated)gVisor bot
2021-06-05Use the NIC packets arrived at when filteringGhanan Gowripalan
As per https://linux.die.net/man/8/iptables, ``` Parameters -i, --in-interface [!] name Name of an interface via which a packet was received (only for packets entering the INPUT, FORWARD and PREROUTING chains). ``` Before this change, iptables would use the NIC that a packet was delivered to after forwarding a packet locally (when forwarding is enabled) instead of the NIC the packet arrived at. Updates #170, #3549. Test: iptables_test.TestInputHookWithLocalForwarding PiperOrigin-RevId: 377714971
2021-06-05Merge release-20210518.0-76-g03f17c7d9 (automated)gVisor bot
2021-06-04Honor data and FIN from the ACK completing handshakeMithun Iyer
If the ACK completing the handshake has FIN or data, requeue the segment for further processing by the newly established endpoint. Otherwise, the segments would have to be retransmitted by the peer to be processed by the established endpoint. Doing this, keeps the behavior in parity with Linux. This also addresses a test flake with TCPNonBlockingConnectClose where the ACK (completing the handshake) and multiple retransmitted FINACKs from the peer could be dropped by the listener, when using syncookies and the accept queue is full. The handshake could eventually get completed with a retransmitted FINACK, without actual processing of FIN. This can cause the poll with POLLRDHUP on the accepted socket to sometimes time out before the next FINACK retransmission. PiperOrigin-RevId: 377651695
2021-06-04Merge release-20210518.0-75-ga2d340739 (automated)gVisor bot
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