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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
2021-08-12Automated rollback of changelist 390346783gVisor bot
PiperOrigin-RevId: 390405182
2021-08-12test/pipe: use futex() for sync with the signal handerAndrei Vagin
PiperOrigin-RevId: 390399815
2021-08-12Internal change.gVisor bot
PiperOrigin-RevId: 390346783
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
2021-08-11Add verity stat benchmark testChong Cai
PiperOrigin-RevId: 390284683
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
2021-08-11Initial 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
2021-08-11Fix FSSupportsMap checkAdam Barth
Previously, this check always failed because we did not provide MAP_SHARED or MAP_PRIVATE. PiperOrigin-RevId: 390251086
2021-08-11Wrap test queues in Queue object on creation.Rahat Mahmood
PiperOrigin-RevId: 390245901
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
2021-08-09Run raw IP socket syscall 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 raw IP sockets may be created. PiperOrigin-RevId: 389663218
2021-08-05Correctly handle interruptions in blocking msgqueue syscalls.Rahat Mahmood
Reported-by: syzbot+63bde04529f701c76168@syzkaller.appspotmail.com Reported-by: syzbot+69866b9a16ec29993e6a@syzkaller.appspotmail.com PiperOrigin-RevId: 389084629
2021-08-05Replace unsafe use of fork() in msgqueue tests.Rahat Mahmood
Msgqueue tests were using fork() to run create a separate thread of execution for passing messages back and forth over a queue. However, the child process after a fork() may only use async-signal-safe functions, which at a minimum exclude gtest asserts. Instead, use threads. PiperOrigin-RevId: 389073744
2021-08-05Skip mmap test cases if underlying FS doesn't support maps.Rahat Mahmood
For file-based mmap tests, the underlying file system may not support mmaps depending on the sandbox configuration. This is case when caching is disabled for goferfs. PiperOrigin-RevId: 389052722
2021-08-04Implement PR_SET_CHILD_SUBREAPER when the calling task is PID 1.Nicolas Lacasse
In this case, the task is already a subreaper, so setting this bit is a noop. Updates #2323 PiperOrigin-RevId: 388828034
2021-08-04Add verity_randread benchmark testChong Cai
PiperOrigin-RevId: 388819374
2021-08-03Use GetAbsoluteTestTmpdir() rather than hard-code "/tmp"Adam Barth
This change makes these tests easier to run on systems that have their temp directory in another location. PiperOrigin-RevId: 388601202
2021-08-03Merge pull request #6171 from sudo-sturbia:msgqueue/syscalls2gVisor bot
PiperOrigin-RevId: 388497055
2021-08-03Add verity open_read_close benchmark testChong Cai
PiperOrigin-RevId: 388494554
2021-08-03Implement MSG_COPY option for msgrcv(2).Zyad A. Ali
Implement Queue.Copy and add more tests for it. Updates #135
2021-08-03Implement stubs for msgsnd(2) and msgrcv(2).Zyad A. Ali
Add support for msgsnd and msgrcv and enable syscall tests. Updates #135
2021-08-03Add blocking and general tests for msgsnd(2) and msgrcv(2).Zyad A. Ali
Updates #135
2021-08-03Add non-blocking tests for msgsnd(2) and msgrcv(2).Zyad A. Ali
Updates #135
2021-07-30Support RTM_DELLINKZeling Feng
This change will allow us to remove the default link in a packetimpact test so we can reduce indeterministic behaviors as required in https://fxbug.dev/78430. This will also help with testing #1388. Updates #578, #1388. PiperOrigin-RevId: 387896847
2021-07-30Merge pull request #6257 from zhlhahaha:2193-1gVisor bot
PiperOrigin-RevId: 387885663
2021-07-28Add Uid/Gid/Groups fields to VFS2 /proc/[pid]/status.Jamie Liu
For comparison: ``` $ docker run --rm -it ubuntu:focal bash -c 'cat /proc/self/status' Name: cat Umask: 0022 State: R (running) Tgid: 1 Ngid: 0 Pid: 1 PPid: 0 TracerPid: 0 Uid: 0 0 0 0 Gid: 0 0 0 0 FDSize: 64 Groups: NStgid: 1 NSpid: 1 NSpgid: 1 NSsid: 1 VmPeak: 2660 kB VmSize: 2660 kB VmLck: 0 kB VmPin: 0 kB VmHWM: 528 kB VmRSS: 528 kB ... $ docker run --runtime=runsc-vfs2 --rm -it ubuntu:focal bash -c 'cat /proc/self/status' Name: cat State: R (running) Tgid: 1 Pid: 1 PPid: 0 TracerPid: 0 Uid: 0 0 0 0 Gid: 0 0 0 0 FDSize: 4 Groups: VmSize: 10708 kB VmRSS: 3124 kB VmData: 316 kB ... ``` Fixes #6374 PiperOrigin-RevId: 387465655
2021-07-28Add verity read benchmark testsChong Cai
PiperOrigin-RevId: 387431049
2021-07-27Don't create an extra fd bitmap to allocate a new fd.Andrei Vagin
2021-07-26Merge pull request #6292 from btw616:local-timezonegVisor bot
PiperOrigin-RevId: 386988406
2021-07-23Add verity open benchmark testChong Cai
PiperOrigin-RevId: 386533065
2021-07-23Don't panic on user-controlled state in semaphore syscalls.Rahat Mahmood
Reported-by: syzbot+beb099a67f670386a367@syzkaller.appspotmail.com PiperOrigin-RevId: 386521361
2021-07-23update bug number in loopback testsKevin Krakauer
PiperOrigin-RevId: 386511209
2021-07-23buildkite: deflake itimer testKevin Krakauer
The self-admittedly arbitrary threshold of 20% of alarms being sent to the main thread was being breached. I saw a run of of ~20-23% [1]. We should allow for a little more breathing room. 1 - https://buildkite.com/gvisor/pipeline/builds/7400 PiperOrigin-RevId: 386503482
2021-07-23Handle EINTR from socket syscalls in send/recv benchmark.Rahat Mahmood
The benchmark check fails if any of the socket syscalls fail with EINTR. We see this manifest in S/R lifecycles since S/R has a high probability of aborting these syscalls with EINTR. PiperOrigin-RevId: 386480365
2021-07-22Move socket_test_util to //test/utilGhanan Gowripalan
...and rename the library to socket_util. PiperOrigin-RevId: 386348306
2021-07-22Merge pull request #6108 from sudo-sturbia:msgqueue/syscallsgVisor bot
PiperOrigin-RevId: 386323389
2021-07-20Enable RACK by default in netstack.Nayana Bidari
PiperOrigin-RevId: 385944428
2021-07-20Expose local address from raw socketsGhanan Gowripalan
PiperOrigin-RevId: 385940836
2021-07-20Add fsstress test to goferfsFabricio Voznika
PiperOrigin-RevId: 385937353
2021-07-20Don't kill container when volume is unmountedFabricio Voznika
The gofer session is killed when a gofer backed volume is unmounted. The gofer monitor catches the disconnect and kills the container. This changes the gofer monitor to only care about the rootfs connections, which cannot be unmounted. Fixes #6259 PiperOrigin-RevId: 385929039
2021-07-20Add go:build directives as required by Go 1.17's gofmt.Jamie Liu
PiperOrigin-RevId: 385894869
2021-07-15netstack: support SO_RCVBUFFORCEKevin Krakauer
TCP is fully supported. As with SO_RCVBUF, other transport protocols perform no-ops per DefaultSocketOptionsHandler.OnSetReceiveBufferSize. PiperOrigin-RevId: 385023239
2021-07-14Add verity symlink testsChong Cai
PiperOrigin-RevId: 384823097
2021-07-14testing: shrink exhaustion test size to avoid timeoutsKevin Krakauer
Tested via: ``` bazel test \ //test/syscalls:socket_ipv4_udp_unbound_loopback_nogotsan_test_runsc_ptrace --runs_per_test=2000 ``` PiperOrigin-RevId: 384773477
2021-07-13Replace whitelist with allowlistFabricio Voznika
PiperOrigin-RevId: 384586164
2021-07-13Implement stubs for msgget(2) and msgctl(IPC_RMID).Zyad A. Ali
Add support for msgget, and msgctl(IPC_RMID), and enable msgqueue syscall tests. Updates #135
2021-07-13Add initial test cases for msgget(2).Zyad A. Ali
Updates #135
2021-07-12Drop dedicated benchmark lifecycle.Adin Scannell
Instead, roll the output scraping into the main runner. Pass a perf flag to the runner in order to control leak checking, apply tags via the macro and appropriately disable logging. This may be removed in the future. PiperOrigin-RevId: 384348035
2021-07-12Fix stdios ownershipFabricio Voznika
Set stdio ownership based on the container's user to ensure the user can open/read/write to/from stdios. 1. stdios in the host are changed to have the owner be the same uid/gid of the process running the sandbox. This ensures that the sandbox has full control over it. 2. stdios owner owner inside the sandbox is changed to match the container's user to give access inside the container and make it behave the same as runc. Fixes #6180 PiperOrigin-RevId: 384347009
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