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2021-08-16Support runtime options type used in containerd v1.5zeddy
2021-08-16imges/syzkaller: add --allow-releaseinfo-change to apt updateAndrei Vagin
Otherwise, it fails with this error: Get:3 http://security.debian.org/debian-security buster/updates InRelease Reading package lists... E: Repository 'http://deb.debian.org/debian buster InRelease' changed its 'Suite' value from 'stable' to 'oldstable' PiperOrigin-RevId: 391155532
2021-08-13[syserror] Remove pkg syserror.Zach Koopmans
Removes package syserror and moves still relevant code to either linuxerr or to syserr (to be later removed). Internal errors are converted from random types to *errors.Error types used in linuxerr. Internal errors are in linuxerr/internal.go. PiperOrigin-RevId: 390724202
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
2021-08-13Add Event controlsChong Cai
Add Event controls and implement "stream" commands. PiperOrigin-RevId: 390691702
2021-08-13Fix minor typoMichael Pratt
PiperOrigin-RevId: 390659097
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
2021-08-13Update `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This list has gotten a little out-of-date.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
2021-08-13Free 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
2021-08-12Add Usage controlsChong Cai
Add Usage controls and implement "usage/usagefd" commands. PiperOrigin-RevId: 390507423
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
2021-08-12Clear Merkle files before measuring verity fsChong Cai
PiperOrigin-RevId: 390467957
2021-08-12fix typoKevin Krakauer
PiperOrigin-RevId: 390463819
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
2021-08-12Internal change.gVisor bot
PiperOrigin-RevId: 390318725
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
2021-08-11[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
2021-08-11Do 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
2021-08-11Popluate 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
2021-08-11Run 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
2021-08-11[op] Fix //debian:debian.Ayush Ranjan
Co-authored-by: Andrei Vagin <avagin@google.com> PiperOrigin-RevId: 390232925
2021-08-09platform/kvm: fix a race condition in vCPU.unlock()Andrei Vagin
Right now, it contains the code: origState := atomic.LoadUint32(&c.state) atomicbitops.AndUint32(&c.state, ^vCPUUser) The problem here is that vCPU.bounce that is called from another thread can add vCPUWaiter when origState has been read but vCPUUser isn't cleared yet. In this case, vCPU.unlock doesn't notify other threads about changes and c.bounce will be stuck in the futex_wait call. PiperOrigin-RevId: 389697411
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
2021-08-06[SMT] Refactor runsc mititgateZach Koopmans
Refactor mitigate to use /sys/devices/system/cpu/smt/control instead of individual CPU control files. PiperOrigin-RevId: 389215975
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
2021-08-05Bump gVisor build tags to go1.19Michael Pratt
Go's dev.typeparams branch already claims to be Go 1.18, so our !go1.18 build tags breaking testing gVisor with that branch. Normally I would not want to bump the build tags this early, but I plan to extend checklinkname to check the assumptions in these files and remove the build tags ASAP. So we just go ahead and bump the tags until then to unblock testing. PiperOrigin-RevId: 389037239
2021-08-05Automated rollback of changelist 384508720Kevin Krakauer
PiperOrigin-RevId: 389035388
2021-08-05Merge pull request #6372 from avagin:AlignedAtomicgVisor bot
PiperOrigin-RevId: 388985968
2021-08-05Reload the configuration during postinst rather than restarting.Adin Scannell
Fixes #6408 PiperOrigin-RevId: 388978814
2021-08-04Reduce overhead of AlignedAtomic typesAndrei Vagin
AlignedAtomicUint64 is 15 bytes and it takes 16 bytes in structures. On 32-bit systems, variables and structure fields is guaranteed to be 32-bit aligned and this means that we need only 12 bytes to find 8 contiguous bytes.
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
2021-08-04Add Fs controlsChong Cai
Add Fs controls and implement "cat" command. PiperOrigin-RevId: 388812540
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
2021-08-03Add Lifecycle controlsChong Cai
Also change runsc pause/resume cmd to access Lifecycle instead of containerManager. PiperOrigin-RevId: 388534928
2021-08-03Merge pull request #6398 from chenfengjin:fix_apt_installgVisor bot
PiperOrigin-RevId: 388533368
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
2021-08-03Implement Queue.Receive.Zyad A. Ali
Receive implements the behaviour of msgrcv(2) without the MSG_COPY flag. Updates #135
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