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2020-09-02Merge release-20200818.0-113-g0ca0d8e01 (automated)gVisor bot
2020-09-02[vfs] Fix error handling in overlayfs OpenAt.Ayush Ranjan
Updates #1199 PiperOrigin-RevId: 329802274
2020-09-02Merge release-20200818.0-112-g5c6601120 (automated)gVisor bot
2020-09-02Update Go version constraint on sync/spin_unsafe.go.Jamie Liu
PiperOrigin-RevId: 329801584
2020-09-02Merge release-20200818.0-111-g9bd016423 (automated)gVisor bot
2020-09-02Improve sync.SeqCount performance.Jamie Liu
- Make sync.SeqCountEpoch not a struct. This allows sync.SeqCount.BeginRead() to be inlined. - Mark sync.SeqAtomicLoad<T> nosplit to mitigate the Go compiler's refusal to inline it. (Best I could get was "cost 92 exceeds budget 80".) - Use runtime-guided spinning in SeqCount.BeginRead(). Benchmarks: name old time/op new time/op delta pkg:pkg/sync/sync goos:linux goarch:amd64 SeqCountWriteUncontended-12 8.24ns ± 0% 11.40ns ± 0% +38.35% (p=0.000 n=10+10) SeqCountReadUncontended-12 0.33ns ± 0% 0.14ns ± 3% -57.77% (p=0.000 n=7+8) pkg:pkg/sync/seqatomictest/seqatomic goos:linux goarch:amd64 SeqAtomicLoadIntUncontended-12 0.64ns ± 1% 0.41ns ± 1% -36.40% (p=0.000 n=10+8) SeqAtomicTryLoadIntUncontended-12 0.18ns ± 4% 0.18ns ± 1% ~ (p=0.206 n=10+8) AtomicValueLoadIntUncontended-12 0.27ns ± 3% 0.27ns ± 0% -1.77% (p=0.000 n=10+8) (atomic.Value.Load is, of course, inlined. We would expect an uncontended inline SeqAtomicLoad<int> to perform identically to SeqAtomicTryLoad<int>.) The "regression" in BenchmarkSeqCountWriteUncontended, despite this CL changing nothing in that path, is attributed to microarchitectural subtlety; the benchmark loop is unchanged except for its address: Before this CL: :0 0x4e62d1 48ffc2 INCQ DX :0 0x4e62d4 48399110010000 CMPQ DX, 0x110(CX) :0 0x4e62db 7e26 JLE 0x4e6303 :0 0x4e62dd 90 NOPL :0 0x4e62de bb01000000 MOVL $0x1, BX :0 0x4e62e3 f00fc118 LOCK XADDL BX, 0(AX) :0 0x4e62e7 ffc3 INCL BX :0 0x4e62e9 0fbae300 BTL $0x0, BX :0 0x4e62ed 733a JAE 0x4e6329 :0 0x4e62ef 90 NOPL :0 0x4e62f0 bb01000000 MOVL $0x1, BX :0 0x4e62f5 f00fc118 LOCK XADDL BX, 0(AX) :0 0x4e62f9 ffc3 INCL BX :0 0x4e62fb 0fbae300 BTL $0x0, BX :0 0x4e62ff 73d0 JAE 0x4e62d1 After this CL: :0 0x4e6361 48ffc2 INCQ DX :0 0x4e6364 48399110010000 CMPQ DX, 0x110(CX) :0 0x4e636b 7e26 JLE 0x4e6393 :0 0x4e636d 90 NOPL :0 0x4e636e bb01000000 MOVL $0x1, BX :0 0x4e6373 f00fc118 LOCK XADDL BX, 0(AX) :0 0x4e6377 ffc3 INCL BX :0 0x4e6379 0fbae300 BTL $0x0, BX :0 0x4e637d 733a JAE 0x4e63b9 :0 0x4e637f 90 NOPL :0 0x4e6380 bb01000000 MOVL $0x1, BX :0 0x4e6385 f00fc118 LOCK XADDL BX, 0(AX) :0 0x4e6389 ffc3 INCL BX :0 0x4e638b 0fbae300 BTL $0x0, BX :0 0x4e638f 73d0 JAE 0x4e6361 PiperOrigin-RevId: 329754148
2020-09-02Merge release-20200818.0-110-gb9b6660dc (automated)gVisor bot
2020-09-02Add Docs to nginx benchmark.Zach Koopmans
Adds docs to nginx and refactors both Httpd and Nginx benchmarks. Key changes: - Add docs and make nginx tests the same as httpd (reverse, all docs, etc.). - Make requests scale on c * b.N -> a request per thread. This works well with both --test.benchtime=10m (do a run that lasts at least 10m) and --test.benchtime=10x (do b.N = 10). -- Remove a doc from both tests (1000Kb) as 1024Kb exists. PiperOrigin-RevId: 329751091
2020-09-02Merge release-20200818.0-109-g8ab08cdc0 (automated)gVisor bot
2020-09-02[runtime tests] Exclude flaky nodejs testAyush Ranjan
PiperOrigin-RevId: 329749191
2020-09-02Merge release-20200818.0-108-ga0e431038 (automated)gVisor bot
2020-09-02Merge pull request #3822 from btw616:fix/issue-3821gVisor bot
PiperOrigin-RevId: 329710371
2020-09-02Merge release-20200818.0-106-g563f28b7d (automated)gVisor bot
2020-09-01Fix statfs test for opensource.Zach Koopmans
PiperOrigin-RevId: 329638946
2020-09-02Merge release-20200818.0-105-g37a217aca (automated)gVisor bot
2020-09-01Implement setattr+clunk in 9PFabricio Voznika
This is to cover the common pattern: open->read/write->close, where SetAttr needs to be called to update atime/mtime before the file is closed. Benchmark results: BM_OpenReadClose/10240 CPU setattr+clunk: 63783 ns VFS2: 68109 ns VFS1: 72507 ns Updates #1198 PiperOrigin-RevId: 329628461
2020-09-02Merge release-20200818.0-104-g40faeaa18 (automated)gVisor bot
2020-09-01Fix handling of unacceptable ACKs during close.Mithun Iyer
On receiving an ACK with unacceptable ACK number, in a closing state, TCP, needs to reply back with an ACK with correct seq and ack numbers and remain in same state. This change is as per RFC793 page 37, but with a difference that it does not apply to ESTABLISHED state, just as in Linux. Also add more tests to check for OTW sequence number and unacceptable ack numbers in these states. Fixes #3785 PiperOrigin-RevId: 329616283
2020-09-02Merge release-20200818.0-103-gc67d8ece0 (automated)gVisor bot
2020-09-01Test opening file handles with different permissions.Dean Deng
These were problematic for vfs2 gofers before correctly implementing separate read/write handles. PiperOrigin-RevId: 329613261
2020-09-01Merge release-20200818.0-102-g2eaf54dd5 (automated)gVisor bot
2020-09-01Refactor tty codebase to use master-replica terminology.Ayush Ranjan
Updates #2972 PiperOrigin-RevId: 329584905
2020-09-01Merge release-20200818.0-101-g04c284f8c (automated)gVisor bot
2020-09-01Fix panic when calling dup2().Nayana Bidari
PiperOrigin-RevId: 329572337
2020-09-01Merge release-20200818.0-100-g723fb5c11 (automated)gVisor bot
2020-09-01[go-marshal] Enable auto-marshalling for fs/tty.Ayush Ranjan
PiperOrigin-RevId: 329564614
2020-09-01Merge release-20200818.0-99-g71589b7f7 (automated)gVisor bot
2020-09-01Let flags be overriden from OCI annotationsFabricio Voznika
This allows runsc flags to be set per sandbox instance. For example, K8s pod annotations can be used to enable --debug for a single pod, making troubleshoot much easier. Similarly, features like --vfs2 can be enabled for experimentation without affecting other pods in the node. Closes #3494 PiperOrigin-RevId: 329542815
2020-09-01Merge release-20200818.0-98-g0eae08bc9 (automated)gVisor bot
2020-09-01Automated rollback of changelist 328350576Nayana Bidari
PiperOrigin-RevId: 329526153
2020-09-01Merge release-20200818.0-97-gf4be726fd (automated)gVisor bot
2020-09-01Use 1080p background image.Ian Lewis
This makes the background image on the top page 1/3 as big and allows it to load in roughly half the time. PiperOrigin-RevId: 329462030
2020-09-01Dup stdio FDs for VFS2 when starting a child containerTiwei Bie
Currently the stdio FDs are not dupped and will be closed unexpectedly in VFS2 when starting a child container. This patch fixes this issue. Fixes: #3821 Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
2020-09-01Merge release-20200818.0-96-g674843849 (automated)gVisor bot
2020-08-31Fix bug in bazel build benchmark.Zach Koopmans
PiperOrigin-RevId: 329409802
2020-09-01Merge release-20200818.0-95-g101c97d6f (automated)gVisor bot
2020-08-31Change nogo failures to test failures, instead of build failures.Adin Scannell
PiperOrigin-RevId: 329408633
2020-08-31Merge release-20200818.0-94-g170560cec (automated)gVisor bot
2020-08-31Set errno on response when syscall actually failsJay Zhuang
This prevents setting stale errno on responses. Also fixes TestDiscardsUDPPacketsWithMcastSourceAddressV6 to use correct multicast addresses in test. Fixes #3793 PiperOrigin-RevId: 329391155
2020-08-31Merge release-20200818.0-93-g6cdfa4fee (automated)gVisor bot
2020-08-31Don't use read-only host FD for writable gofer dentries in VFS2.Jamie Liu
As documented for gofer.dentry.hostFD. PiperOrigin-RevId: 329372319
2020-08-31Merge release-20200818.0-92-g9d0d82088 (automated)gVisor bot
2020-08-31Remove __fuchsia__ definesTamir Duberstein
These mostly guard linux-only headers; check for linux instead. PiperOrigin-RevId: 329362762
2020-08-31Merge release-20200818.0-91-g911cecaa3 (automated)gVisor bot
2020-08-31Implement walk in gvisor verity fsgVisor bot
Implement walk directories in gvisor verity file system. For each step, the child dentry is verified against a verified parent root hash. PiperOrigin-RevId: 329358747
2020-08-31Merge release-20200818.0-90-gba25485d9 (automated)gVisor bot
2020-08-31stateify: Bring back struct field and type names in pretty printTing-Yu Wang
PiperOrigin-RevId: 329349158
2020-08-31Merge release-20200818.0-89-ga3d189301 (automated)gVisor bot
2020-08-31Run syscall tests in uts namespaces.Rahat Mahmood
Some syscall tests, namely uname_test_* modify the host and domain name, which modifies the execution environment and can have unintended consequences on other tests. For example, modifying the hostname causes some networking tests to fail DNS lookups. Run all syscall tests in their own uts namespaces to isolate these changes. PiperOrigin-RevId: 329348127
2020-08-29Merge release-20200818.0-88-g3bee863ae (automated)gVisor bot
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