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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
2021-06-07Merge 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
2021-06-03Merge release-20210518.0-70-gb3c608ef8 (automated)gVisor bot
2021-06-03Implement stringer for ExitStatusTamir Duberstein
PiperOrigin-RevId: 377370807
2021-06-01Move sync generics to their own packagesTamir Duberstein
The presence of multiple packages in a single directory sometimes confuses `go mod`, producing output like: go: downloading gvisor.dev/gvisor v0.0.0-20210601174640-77dc0f5bc94d $GOMODCACHE/gvisor.dev/gvisor@v0.0.0-20210601174640-77dc0f5bc94d/pkg/linewriter/linewriter.go:21:2: found packages sync (aliases.go) and seqatomic (generic_atomicptr_unsafe.go) in $GOMODCACHE/gvisor.dev/gvisor@v0.0.0-20210601174640-77dc0f5bc94d/pkg/sync imports.go:67:2: found packages tcp (accept.go) and rcv (rcv_test.go) in $GOMODCACHE/gvisor.dev/gvisor@v0.0.0-20210601174640-77dc0f5bc94d/pkg/tcpip/transport/tcp PiperOrigin-RevId: 376956213
2021-06-01Merge release-20210518.0-63-g4f3746998 (automated)gVisor bot
2021-05-31Update comments on ambient caps to point to bugIan Lewis
PiperOrigin-RevId: 376747671
2021-05-27Merge release-20210518.0-58-g17df2df75 (automated)gVisor bot
2021-05-27nanosleep has to store the finish time in the restart blockAndrei Vagin
nanosleep has to count time that a thread spent in the stopped state. PiperOrigin-RevId: 376258641
2021-05-26Merge release-20210518.0-44-gb63e61828 (automated)gVisor bot
2021-05-25Initialize Kernel.Timekeeper before network NSTamir Duberstein
PiperOrigin-RevId: 375843579
2021-05-26Merge release-20210518.0-43-ga54cb9d8a (automated)gVisor bot
2021-05-25Use specific fmt verbs (avoid %v)Tamir Duberstein
Remove useless conversions. Avoid unhandled errors. PiperOrigin-RevId: 375834275
2021-05-25Merge release-20210518.0-41-gf298d7321 (automated)gVisor bot
2021-05-25Merge pull request #6064 from sudo-sturbia:misspellinggVisor bot
PiperOrigin-RevId: 375789776
2021-05-25Merge release-20210518.0-38-g4f2439fb0 (automated)gVisor bot
2021-05-25Use opaque types to represent timeTamir Duberstein
Introduce tcpip.MonotonicTime; replace int64 in tcpip.Clock method returns with time.Time and MonotonicTime to improve type safety and ensure that monotonic clock readings are never compared to wall clock readings. PiperOrigin-RevId: 375775907
2021-05-24Fix misspellings.Zyad A. Ali
2021-05-21Merge release-20210510.0-70-g2bed0bb09 (automated)gVisor bot
2021-05-20Send SIGPIPE for closed pipes.Ian Lewis
Fixes #5974 Updates #161 PiperOrigin-RevId: 375024740
2021-05-21Merge release-20210510.0-69-g5bbc22797 (automated)gVisor bot
2021-05-20Merge pull request #6037 from sudo-sturbia:docgVisor bot
PiperOrigin-RevId: 375007632
2021-05-20Merge release-20210510.0-63-gaf229f46a (automated)gVisor bot
2021-05-20Fix cgroupfs mount racing with unmount.Rahat Mahmood
Previously, mount could discover a hierarchy being destroyed concurrently, which resulted in mount attempting to take a ref on an already destroyed cgroupfs. Reported-by: syzbot+062c0a67798a200f23ee@syzkaller.appspotmail.com PiperOrigin-RevId: 374959054
2021-05-20Format precondition to match style guide.Zyad A. Ali
2021-05-14Merge release-20210510.0-38-g894187b2c (automated)gVisor bot
2021-05-14Resolve remaining O_PATH TODOs.Dean Deng
O_PATH is now implemented in vfs2. Fixes #2782. PiperOrigin-RevId: 373861410
2021-05-14Merge release-20210510.0-33-g78ae3db1a (automated)gVisor bot
2021-05-14Fix cgroup hierarchy registration.Rahat Mahmood
Previously, registration was racy because we were publishing hierarchies in the registry without fully initializing the underlying filesystem. This led to concurrent mount(2)s discovering the partially intialized filesystems and dropping the final refs on them which cause them to be freed prematurely. Reported-by: syzbot+13f54e77bdf59f0171f0@syzkaller.appspotmail.com Reported-by: syzbot+2c7f0a9127ac6a84f17e@syzkaller.appspotmail.com PiperOrigin-RevId: 373824552
2021-05-12Merge release-20210503.0-47-g07e32fa69 (automated)gVisor bot
2021-04-27Merge release-20210419.0-33-g5b207fe78 (automated)gVisor bot
2021-04-26Remove metrics: fallback, vsyscallCount and partialResultNayana Bidari
The newly added Weirdness metric with fields should be used instead of them. Simple query for weirdness metric: http://shortn/_DGNk0z2Up6 PiperOrigin-RevId: 370578132
2021-04-22Merge release-20210419.0-21-g0a6eaed50 (automated)gVisor bot
2021-04-22Add weirdness sentry metric.Nayana Bidari
Weirdness metric contains fields to track the number of clock fallback, partial result and vsyscalls. This metric will avoid the overhead of having three different metrics (fallbackMetric, partialResultMetric, vsyscallCount). PiperOrigin-RevId: 369970218
2021-04-17Merge release-20210408.0-46-g0c3e8daf5 (automated)gVisor bot
2021-04-14Merge release-20210408.0-30-g5c1052b6b (automated)gVisor bot
2021-04-12Merge release-20210408.0-23-gf4f6ce337 (automated)gVisor bot
2021-04-12Don't grab TaskSet mu recursively when reading task state.Rahat Mahmood
Reported-by: syzbot+a6ef0f95a2c9e7da26f3@syzkaller.appspotmail.com Reported-by: syzbot+2eaf8a9f115edec468fe@syzkaller.appspotmail.com PiperOrigin-RevId: 368093861
2021-04-03Merge release-20210322.0-38-g932c8abd0 (automated)gVisor bot
2021-04-02Implement cgroupfs.Rahat Mahmood
A skeleton implementation of cgroupfs. It supports trivial cpu and memory controllers with no support for hierarchies. PiperOrigin-RevId: 366561126
2021-03-29Merge release-20210322.0-29-g8a2f7e716 (automated)gVisor bot
2021-03-29[syserror] Split usermem packageZach Koopmans
Split usermem package to help remove syserror dependency in go_marshal. New hostarch package contains code not dependent on syserror. PiperOrigin-RevId: 365651233
2021-03-25Merge release-20210315.0-27-g79bc446fa (automated)gVisor bot
2021-03-25Lock TaskSet mutex for writing in ptraceClone().Jamie Liu
This is necessary since ptraceClone() mutates tracer.ptraceTracees. PiperOrigin-RevId: 365152396
2021-03-24Merge release-20210315.0-23-ge7ca2a51a (automated)gVisor bot
2021-03-24Add POLLRDNORM/POLLWRNORM support.Bhasker Hariharan
On Linux these are meant to be equivalent to POLLIN/POLLOUT. Rather than hack these on in sys_poll etc it felt cleaner to just cleanup the call sites to notify for both events. This is what linux does as well. Fixes #5544 PiperOrigin-RevId: 364859977
2021-03-24Merge release-20210315.0-18-g56a9a1397 (automated)gVisor bot
2021-03-23Move the code that manages floating-point state to a separate packageAndrei Vagin
This change is inspired by Adin's cl/355256448. PiperOrigin-RevId: 364695931
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