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2021-08-13Merge release-20210806.0-28-g868ed0e80 (automated)gVisor bot
2021-08-13[benchmarks] Update BenchmarkStartEmpty benchmark.Zach Koopmans
Update the start benchmark on empty to only "Start" a container, not wait for its completion. TL:DR only measure the actual start call for the empty container. Previously, we were measuring the completion of /bin/true in container alpine AND the cleanup. This was fine until profiling started failing all the time on ptrace. This is a cost that runc is not paying. These changes will reduce the over all timing of the benchmark, but it will give more sane results. Instead, use "Spawn" which is similar to `docker run --detach alpine /bin/sleep 100`. Call sleep so containers stick around long enough for the profiler to read profile data from them. PiperOrigin-RevId: 390705431
2021-08-13Merge release-20210806.0-27-g6eb8596f7 (automated)gVisor bot
2021-08-13Add Event controlsChong Cai
Add Event controls and implement "stream" commands. PiperOrigin-RevId: 390691702
2021-08-13Merge release-20210806.0-26-ga7b59445d (automated)gVisor bot
2021-08-13Fix minor typoMichael Pratt
PiperOrigin-RevId: 390659097
2021-08-13Merge release-20210806.0-25-ged8960216 (automated)gVisor bot
2021-08-13Disable SA1019 (deprecation check)Michael Pratt
On Go tip (pre-1.18), http://golang.org/issue/44195 is making SA1019 mistake uses of reflect.Value.Len for reflect.Value.InterfaceData, which is deprecated. It is thus mistakenly raising deprecation errors on uses of reflect.Value.Len. Suppress these errors by disabling SA1019 entirely. This is a bit overkill, but it is unclear to me if we want hard errors on deprecation anyways. That can be reevaluated when http://golang.org/issue/44195 is fixed. The other staticcheck analyzers are moved to alphabetical order. Updates golang/go#44195 PiperOrigin-RevId: 390655918
2021-08-13Merge release-20210806.0-24-g8f2b11a87 (automated)gVisor bot
2021-08-13Update `core` allowed dependenciesMichael Pratt
This list has gotten a little out-of-date. Note that `clockwork` used to be used but was removed in gvisor.dev/pr/5384. PiperOrigin-RevId: 390644841
2021-08-13Merge release-20210806.0-23-geb0f24c6c (automated)gVisor bot
2021-08-13Free multicastMemberships on UDP endpoint closeGhanan Gowripalan
tcpip.Endpoint.Close is documented to free all resources associated with an endpoint so we don't need to create an empty map to clear the multicast memberships. PiperOrigin-RevId: 390609826
2021-08-13Merge release-20210806.0-22-gddcf884e9 (automated)gVisor bot
2021-08-12Add Usage controlsChong Cai
Add Usage controls and implement "usage/usagefd" commands. PiperOrigin-RevId: 390507423
2021-08-12Merge release-20210806.0-21-g02370bbd3 (automated)gVisor bot
2021-08-12[syserror] Convert remaining syserror definitions to linuxerr.Zach Koopmans
Convert remaining public errors (e.g. EINTR) from syserror to linuxerr. PiperOrigin-RevId: 390471763
2021-08-12Merge release-20210806.0-20-g5f132ae1f (automated)gVisor bot
2021-08-12Clear Merkle files before measuring verity fsChong Cai
PiperOrigin-RevId: 390467957
2021-08-12Merge release-20210806.0-19-g345eb4a66 (automated)gVisor bot
2021-08-12fix typoKevin Krakauer
PiperOrigin-RevId: 390463819
2021-08-12Merge release-20210726.0-60-g968792961 (automated)gVisor bot
2021-08-12Automated rollback of changelist 390346783gVisor bot
PiperOrigin-RevId: 390405182
2021-08-12Merge release-20210726.0-59-gf06b1fe86 (automated)gVisor bot
2021-08-12test/pipe: use futex() for sync with the signal handerAndrei Vagin
PiperOrigin-RevId: 390399815
2021-08-12Merge release-20210726.0-58-g403c4b1a0 (automated)gVisor bot
2021-08-12Internal change.gVisor bot
PiperOrigin-RevId: 390346783
2021-08-12Merge release-20210726.0-57-g3416a3db7 (automated)gVisor bot
2021-08-12Internal change.gVisor bot
PiperOrigin-RevId: 390318725
2021-08-12Merge release-20210726.0-56-g96459f559 (automated)gVisor bot
2021-08-12Add support for TCP send buffer auto tuning.Nayana Bidari
Send buffer size in TCP indicates the amount of bytes available for the sender to transmit. This change will allow TCP to update the send buffer size when - TCP enters established state. - ACK is received. The auto tuning is disabled when the send buffer size is set with the SO_SNDBUF option. PiperOrigin-RevId: 390312274
2021-08-12Merge release-20210726.0-55-g01cfe5952 (automated)gVisor bot
2021-08-11Add verity stat benchmark testChong Cai
PiperOrigin-RevId: 390284683
2021-08-12Merge release-20210726.0-54-g6d0b40b1d (automated)gVisor bot
2021-08-11[op] Make PacketBuffer Clone() do a deeper copy.Ayush Ranjan
Earlier PacketBuffer.Clone() would do a shallow top level copy of the packet buffer - which involved sharing the *buffer.Buffer between packets. Reading or writing to the buffer in one packet would impact the other. This caused modifications in one packet to affect the other's pkt.Views() which is not desired. Change the clone to do a deeper copy of the underlying buffer list and buffer pointers. The payload buffers (which are immutable) are still shared. This change makes the Clone() operation more expensive as we now need to allocate the entire buffer list. Added unit test to test integrity of packet data after cloning. Reported-by: syzbot+7ffff9a82a227b8f2e31@syzkaller.appspotmail.com Reported-by: syzbot+7d241de0d9072b2b6075@syzkaller.appspotmail.com Reported-by: syzbot+212bc4d75802fa461521@syzkaller.appspotmail.com PiperOrigin-RevId: 390277713
2021-08-12Merge release-20210726.0-53-g4249ba850 (automated)gVisor bot
2021-08-11Do not clear merkle files when creating dentryChong Cai
The dentry for each file/directory can be created/destroyed multiple times during sandbox lifetime. We should not clear the Merkle file each time a dentry is created. PiperOrigin-RevId: 390277107
2021-08-12Merge release-20210726.0-52-g5456fa647 (automated)gVisor bot
2021-08-11Popluate verity directory children namesChong Cai
We were relying on children adding its name to parent's dentry to populate parent's children list. However, this may not work since the parent dentry could be destroyed if its reference count drops to zero. In that case, a new dentry will be created when enabling the parent and it does not contain the children names info. Therefore we need to populate the child names list again to avoid missing children in the directory. PiperOrigin-RevId: 390270227
2021-08-12Merge release-20210726.0-51-gd51bc877f (automated)gVisor bot
2021-08-11Run packet socket tests on FuchsiaGhanan Gowripalan
+ Do not check for CAP_NET_RAW on Fuchsia Fuchsia does not support capabilities the same way Linux does. Instead emulate the check for CAP_NET_RAW by checking if a packet socket may be created. Bug: https://fxbug.dev/79016, https://fxbug.dev/81592 PiperOrigin-RevId: 390263666
2021-08-12Merge release-20210726.0-50-ga50596874 (automated)gVisor bot
2021-08-11Initial cgroupfs support for subcontainersRahat Mahmood
Allow creation and management of subcontainers through cgroupfs directory syscalls. Also add a mechanism to specify a default root container to start new jobs in. This implements the filesystem support for subcontainers, but doesn't implement hierarchical resource accounting or task migration. PiperOrigin-RevId: 390254870
2021-08-12Merge release-20210726.0-49-g09b453cec (automated)gVisor bot
2021-08-11Fix FSSupportsMap checkAdam Barth
Previously, this check always failed because we did not provide MAP_SHARED or MAP_PRIVATE. PiperOrigin-RevId: 390251086
2021-08-11Merge release-20210726.0-48-g8d84c5a8e (automated)gVisor bot
2021-08-11Wrap test queues in Queue object on creation.Rahat Mahmood
PiperOrigin-RevId: 390245901
2021-08-11Merge release-20210726.0-47-g23f8e8481 (automated)gVisor bot
2021-08-11Fix LinkTest.OldnameDoesNotExistAdam Barth
Previous, this test was the same as OldnameIsEmpty. This CL makes the test check what happens if the old name does not exist. PiperOrigin-RevId: 390243070
2021-08-11Merge release-20210726.0-46-gc2353e405 (automated)gVisor bot
2021-08-11[op] Fix //debian:debian.Ayush Ranjan
Co-authored-by: Andrei Vagin <avagin@google.com> PiperOrigin-RevId: 390232925
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