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2020-03-18Merge release-20200219.0-193-gf1d1af2 (automated)gVisor bot
2020-03-18Fix FDTable.NewFDVFS2Fabricio Voznika
It was looking at VFS1 table to determine where to allocate the next FD from. Updates #1035 PiperOrigin-RevId: 301678858
2020-03-17Merge release-20200219.0-185-gb55f0e5 (automated)gVisor bot
2020-03-16fdtable: don't try to zap fdtable entry if close is called for non-existing fdAndrei Vagin
FDTable.setAll is used to zap entries, but it grows the table up to a specified fd. Reported-by: syzbot+9e281b0750d2d4caa190@syzkaller.appspotmail.com PiperOrigin-RevId: 301280000
2020-03-14Merge release-20200219.0-177-g5e413ca (automated)gVisor bot
2020-03-14Plumb VFS2 imported fds into virtual filesystem.Dean Deng
- When setting up the virtual filesystem, mount a host.filesystem to contain all files that need to be imported. - Make read/preadv syscalls to the host in cases where preadv2 may not be supported yet (likewise for writing). - Make save/restore functions in kernel/kernel.go return early if vfs2 is enabled. PiperOrigin-RevId: 300922353
2020-03-14Merge release-20200219.0-176-g45a8ae2 (automated)gVisor bot
2020-03-13Add remaining procfs filesFabricio Voznika
Closes #1195 PiperOrigin-RevId: 300867055
2020-03-14Merge release-20200219.0-175-g829beeb (automated)gVisor bot
2020-03-13Panic if file in FDTable has been destroyedFabricio Voznika
This will give more information about the file to identify where possibly the extra DecRef() would be. PiperOrigin-RevId: 300855874
2020-03-13Merge release-20200219.0-174-gb0f2c3e (automated)gVisor bot
2020-03-13Fix infinite loop in semaphore.sem.wakeWaiters().Jamie Liu
PiperOrigin-RevId: 300845134
2020-03-13Merge release-20200219.0-170-g1c05352 (automated)gVisor bot
2020-03-13Fix oom_score_adj.Jamie Liu
- Make oomScoreAdj a ThreadGroup field (Linux: signal_struct::oom_score_adj). - Avoid deadlock caused by Task.OOMScoreAdj()/SetOOMScoreAdj() locking Task.mu and TaskSet.mu in the wrong order (via Task.ExitState()). PiperOrigin-RevId: 300814698
2020-03-13Merge release-20200219.0-167-gb78cee3 (automated)gVisor bot
2020-03-13Fix lock recursion in kernel.ProcessGroup.SendSignal().Jamie Liu
PiperOrigin-RevId: 300803515
2020-03-06Merge release-20200219.0-122-g6fa5cee (automated)gVisor bot
2020-03-06Prevent memory leaks in ilistTamir Duberstein
When list elements are removed from a list but not discarded, it becomes important to invalidate the references they hold to their former neighbors to prevent memory leaks. PiperOrigin-RevId: 299412421
2020-03-06Merge release-20200219.0-111-gda48fc6 (automated)gVisor bot
2020-03-05Stub oom_score_adj and oom_score.Ian Lewis
Adds an oom_score_adj and oom_score proc file stub. oom_score_adj accepts writes of values -1000 to 1000 and persists the value with the task. New tasks inherit the parent's oom_score_adj. oom_score is a read-only stub that always returns the value '0'. Issue #202 PiperOrigin-RevId: 299245355
2020-03-03Merge release-20200219.0-91-g844e4d2 (automated)gVisor bot
2020-02-29Merge release-20200219.0-75-g3d9ddeb (automated)gVisor bot
2020-02-28Define CPUIDInstruction for arm64Andrei Vagin
There is no cpuid instruction on arm64, so we need to defined it just to avoid a compile time error. Signed-off-by: Andrei Vagin <avagin@gmail.com>
2020-02-28Merge release-20200219.0-71-gccecf29 (automated)gVisor bot
2020-02-28Merge release-20200219.0-69-g463f421 (automated)gVisor bot
2020-02-28Make pipe buffer implementation standard.Adin Scannell
A follow-up change will convert the networking code to use this standard pipe implementation. PiperOrigin-RevId: 297903206
2020-02-28Merge release-20200219.0-65-g6b4d36e (automated)gVisor bot
2020-02-28Hide /dev/net/tun when using hostinet.Ting-Yu Wang
/dev/net/tun does not currently work with hostinet. This has caused some program starts failing because it thinks the feature exists. PiperOrigin-RevId: 297876196
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
2020-02-25Merge release-20200219.0-37-g471b15b (automated)gVisor bot
2020-02-25Port most syscalls to VFS2.Jamie Liu
pipe and pipe2 aren't ported, pending a slight rework of pipe FDs for VFS2. mount and umount2 aren't ported out of temporary laziness. access and faccessat need additional FSImpl methods to implement properly, but are stubbed to prevent googletest from CHECK-failing. Other syscalls require additional plumbing. Updates #1623 PiperOrigin-RevId: 297188448
2020-02-25Merge release-20200219.0-36-g6def8ea (automated)gVisor bot
2020-02-25Fix nested logging.Adin Scannell
PiperOrigin-RevId: 297175316
2020-02-20Merge release-20200211.0-57-g4a73bae (automated)gVisor bot
2020-02-20Initial network namespace support.gVisor bot
TCP/IP will work with netstack networking. hostinet doesn't work, and sockets will have the same behavior as it is now. Before the userspace is able to create device, the default loopback device can be used to test. /proc/net and /sys/net will still be connected to the root network stack; this is the same behavior now. Issue #1833 PiperOrigin-RevId: 296309389
2020-02-20Merge release-20200211.0-55-gd90d714 (automated)gVisor bot
2020-02-20Remove bytes read/written from marshal.Marshallable API.gVisor bot
Users of the API only care about whether the copy in/out succeeds in their entirety, which is already signalled by the returned error. PiperOrigin-RevId: 296297843
2020-02-14Merge release-20200211.0-24-g5baf9dc (automated)gVisor bot
2020-02-14Synchronize signalling with S/RgVisor bot
This is to fix a data race between sending an external signal to a ThreadGroup and kernel saving state for S/R. PiperOrigin-RevId: 295244281
2020-02-14Merge release-20200211.0-21-g87bc283 (automated)gVisor bot
2020-02-14Enable automated marshalling for RSeqCriticalSection.gVisor bot
PiperOrigin-RevId: 295226468
2020-02-14Merge release-20200211.0-20-ge4c7f3e (automated)gVisor bot
2020-02-14Inline vfs.VirtualFilesystem in Kernel structgVisor bot
This saves one pointer dereference per VFS access. Updates #1623 PiperOrigin-RevId: 295216176
2020-02-14Enable automated marshalling for struct stat.gVisor bot
This requires fixing a few build issues for non-am64 platforms. PiperOrigin-RevId: 295196922
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
2020-02-10Merge release-20200127.0-102-g223931d (automated)gVisor bot
2020-02-06Merge release-20200127.0-85-g1b6a12a (automated)gVisor bot
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