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2020-04-24Merge release-20200323.0-229-gf01f213 (automated)gVisor bot
2020-04-23Enable automated marshalling for mempolicy syscalls.Rahat Mahmood
PiperOrigin-RevId: 308170679
2020-04-21Merge release-20200323.0-207-g37e01fd (automated)gVisor bot
2020-04-21Misc VFS2 fixesFabricio Voznika
- Fix defer operation ordering in kernfs.Filesystem.AccessAt() - Add AT_NULL entry in proc/pid/auvx - Fix line padding in /proc/pid/maps - Fix linux_dirent serialization for getdents(2) - Remove file creation flags from vfs.FileDescription.statusFlags() Updates #1193, #1035 PiperOrigin-RevId: 307704159
2020-04-17Merge release-20200323.0-179-g80deebb (automated)gVisor bot
2020-04-17Merge pull request #1978 from lubinszARM:pr_signal_mmgVisor bot
PiperOrigin-RevId: 307078788
2020-04-10Merge release-20200323.0-119-g7812661 (automated)gVisor bot
2020-04-09Merge release-20200323.0-110-g9f87502 (automated)gVisor bot
2020-04-09Remove TODOs from Async IOFabricio Voznika
Block and drain requests in io_destroy(2). Note the reason to create read-only mapping. PiperOrigin-RevId: 305786312
2020-04-09Merge release-20200323.0-98-g0f75f72 (automated)gVisor bot
2020-04-08Don't call platform.AddressSpace.MapFile with no permissions.Jamie Liu
PiperOrigin-RevId: 305598136
2020-04-04Merge release-20200323.0-69-gfc99a7e (automated)gVisor bot
2020-03-27add arch-specific feature into mmBin Lu
Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-03-06Merge release-20200219.0-122-g6fa5cee (automated)gVisor bot
2020-03-03Merge release-20200219.0-91-g844e4d2 (automated)gVisor bot
2020-02-25Merge release-20200219.0-40-g72e3f3a (automated)gVisor bot
2020-02-25Add option to skip stuck tasks waiting for address spaceFabricio Voznika
PiperOrigin-RevId: 297192390
2020-02-18Merge release-20200211.0-33-g906eb62 (automated)gVisor bot
2020-02-18atomicbitops package cleanupsgVisor bot
- Redocument memory ordering from "no ordering" to "acquire-release". (No functional change: both LOCK WHATEVER on x86, and LDAXR/STLXR loops on ARM64, already have this property.) - Remove IncUnlessZeroInt32 and DecUnlessOneInt32, which were only faster than the equivalent loops using sync/atomic before the Go compiler inlined non-unsafe.Pointer atomics many releases ago. PiperOrigin-RevId: 295811743
2020-02-14Merge release-20200211.0-17-g4075de1 (automated)gVisor bot
2020-02-14Plumb VFS2 inside the SentrygVisor bot
- Added fsbridge package with interface that can be used to open and read from VFS1 and VFS2 files. - Converted ELF loader to use fsbridge - Added VFS2 types to FSContext - Added vfs.MountNamespace to ThreadGroup Updates #1623 PiperOrigin-RevId: 295183950
2020-02-11Merge release-20200127.0-130-g9be46e5 (automated)gVisor bot
2020-02-06Merge release-20200127.0-85-g1b6a12a (automated)gVisor bot
2020-01-31Internal change.gVisor bot
PiperOrigin-RevId: 292587459
2020-01-27Merge release-20200115.0-110-g0e2f1b7 (automated)gVisor bot
2020-01-27Update package locations.Adin Scannell
Because the abi will depend on the core types for marshalling (usermem, context, safemem, safecopy), these need to be flattened from the sentry directory. These packages contain no sentry-specific details. PiperOrigin-RevId: 291811289
2020-01-27Standardize on tools directory.Adin Scannell
PiperOrigin-RevId: 291745021
2020-01-22Merge release-20200115.0-69-g6a59e7f (automated)gVisor bot
2020-01-21Rename DowngradableRWMutex to RWmutex.Ian Gudger
Also renames TMutex to Mutex. These custom mutexes aren't any worse than the standard library versions (same code), so having both seems redundant. PiperOrigin-RevId: 290873587
2020-01-10Merge release-20191213.0-96-g27500d5 (automated)gVisor bot
2020-01-09New sync package.Ian Gudger
* Rename syncutil to sync. * Add aliases to sync types. * Replace existing usage of standard library sync package. This will make it easier to swap out synchronization primitives. For example, this will allow us to use primitives from github.com/sasha-s/go-deadlock to check for lock ordering violations. Updates #1472 PiperOrigin-RevId: 289033387
2020-01-04Merge release-20191213.0-58-gbf53d32 (automated)gVisor bot
2020-01-03Remove FIXME comments to close old bug.Zach Koopmans
PiperOrigin-RevId: 288075400
2019-11-21Merge release-20191114.0-18-gc0f89eb (automated)gVisor bot
2019-11-21Import and structure cleanup.Adin Scannell
PiperOrigin-RevId: 281795269
2019-10-16Reorder BUILD license and load functions in gvisor.Kevin Krakauer
PiperOrigin-RevId: 275139066
2019-09-12Remove go_test from go_stateify and go_marshalMichael Pratt
They are no-ops, so the standard rule works fine. PiperOrigin-RevId: 268776264
2019-08-19Merge 3ffbdffd (automated)gVisor bot
2019-08-16procfs: Migrate seqfile implementations.Ayush Ranjan
Migrates all (except 3) seqfile implementations to the vfs.DynamicBytesSource interface. There should not be any change in functionality due to this migration itself. Please note that the following seqfile implementations have not been migrated: - /proc/filesystems in proc/filesystems.go - /proc/[pid]/mountinfo in proc/mounts.go - /proc/[pid]/mounts in proc/mounts.go This is because these depend on pending changes in /pkg/senty/vfs. PiperOrigin-RevId: 263880719
2019-07-12Merge 69e0affa (automated)gVisor bot
2019-06-28Add finalizer on AtomicRefCount to check for leaks.Ian Gudger
PiperOrigin-RevId: 255711454
2019-06-27Merge 5b41ba5d (automated)gVisor bot
2019-06-27Fix various spelling issues in the documentationMichael Pratt
Addresses obvious typos, in the documentation only. COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/443 from Pixep:fix/documentation-spelling 4d0688164eafaf0b3010e5f4824b35d1e7176d65 PiperOrigin-RevId: 255477779
2019-06-20Merge 0b213507 (automated)gVisor bot
2019-06-20Implement madvise(MADV_DONTFORK)Neel Natu
PiperOrigin-RevId: 254253777
2019-06-13Merge add40fd6 (automated)gVisor bot
2019-06-13Update canonical repository.Adin Scannell
This can be merged after: https://github.com/google/gvisor-website/pull/77 or https://github.com/google/gvisor-website/pull/78 PiperOrigin-RevId: 253132620
2019-06-10Merge a00157cc (automated)gVisor bot
2019-06-06"Implement" mbind(2).Jamie Liu
We still only advertise a single NUMA node, and ignore mempolicy accordingly, but mbind() at least now succeeds and has effects reflected by get_mempolicy(). Also fix handling of nodemasks: round sizes to unsigned long (as documented and done by Linux), and zero trailing bits when copying them out. PiperOrigin-RevId: 251950859
2019-06-05Implement dumpability tracking and checksMichael Pratt
We don't actually support core dumps, but some applications want to get/set dumpability, which still has an effect in procfs. Lack of support for set-uid binaries or fs creds simplifies things a bit. As-is, processes started via CreateProcess (i.e., init and sentryctl exec) have normal dumpability. I'm a bit torn on whether sentryctl exec tasks should be dumpable, but at least since they have no parent normal UID/GID checks should protect them. PiperOrigin-RevId: 251712714
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