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2020-09-11Merge release-20200907.0-35-g325f7036b (automated)gVisor bot
2020-09-11Use correct test device name in Fuchsia packetimpactAmanda Tait
Packetimpact on Fuchsia was formerly using the Linux test device name. This change fixes that. PiperOrigin-RevId: 331211518
2020-09-11Merge release-20200907.0-34-g490e5c83b (automated)gVisor bot
2020-09-11Make nogo more robust to variety of stdlib layouts.Michael Pratt
PiperOrigin-RevId: 331206424
2020-09-11Merge release-20200907.0-33-g9a5635eb1 (automated)gVisor bot
2020-09-11Implement copy-up-coherent mmap for VFS2 overlayfs.Jamie Liu
This is very similar to copy-up-coherent mmap in the VFS1 overlay, with the minor wrinkle that there is no fs.InodeOperations.Mappable(). Updates #1199 PiperOrigin-RevId: 331206314
2020-09-11Merge release-20200907.0-32-g831ab2dd9 (automated)gVisor bot
2020-09-11Fix host unix socket to not swallow EOF incorrectly.Bhasker Hariharan
Fixes an error where in case of a receive buffer larger than the host send buffer size for a host backed unix dgram socket we would end up swallowing EOF from recvmsg syscall causing the read() to block forever. PiperOrigin-RevId: 331192810
2020-09-11Merge release-20200907.0-31-g964447c8c (automated)gVisor bot
2020-09-11Clean up image constructionTamir Duberstein
- Skip `docker inspect`; `docker pull` is idempotent - Remove unnecessary CMD directives in Dockerfiles - Run bazel before building images to catch errors sooner PiperOrigin-RevId: 331107815
2020-09-10Merge release-20200818.0-154-g365545855 (automated)gVisor bot
2020-09-10[vfs] Disable inode number equality check for overlayfs.Ayush Ranjan
Overlayfs does not persist a directory's inode number even while it is mounted. See fs/overlayfs/inode.c:ovl_map_dev_ino(). VFS2 generates a new inode number for directories everytime in lookup. PiperOrigin-RevId: 331045037
2020-09-10Merge release-20200818.0-153-g14e0eb6e0 (automated)gVisor bot
2020-09-10[vfs] Add vfs2 runtime tests.Ayush Ranjan
PiperOrigin-RevId: 330981912
2020-09-10Merge release-20200818.0-152-g7275f293d (automated)gVisor bot
2020-09-10Merge pull request #3892 from lubinszARM:pr_n1_02gVisor bot
PiperOrigin-RevId: 330973856
2020-09-10Merge release-20200818.0-150-g50c99a86d (automated)gVisor bot
2020-09-10[vfs] Disable nlink tests for overlayfs.Ayush Ranjan
Overlayfs intentionally does not compute nlink for directories (because it can be really expensive). Linux returns 1, VFS2 returns 2 and VFS1 actually calculates the correct value. PiperOrigin-RevId: 330967139
2020-09-10Merge release-20200818.0-149-g9a003835f (automated)gVisor bot
2020-09-10Fix typo, remove duplicate word.gVisor bot
PiperOrigin-RevId: 330898705
2020-09-10arm64:place an SB sequence following an ERET instructionBin Lu
Some CPUs(eg: ampere-emag) can speculate past an ERET instruction and potentially perform speculative accesses to memory before processing the exception return. Since the register state is often controlled by a lower privilege level at the point of an ERET, this could potentially be used as part of a side-channel attack. Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-09-10Merge release-20200818.0-148-g1ab097b08 (automated)gVisor bot
2020-09-09Add note about kubeadm to the FAQIan Lewis
Fixes #3277 PiperOrigin-RevId: 330853338
2020-09-10Merge release-20200818.0-147-g644ac7b6b (automated)gVisor bot
2020-09-09Unlock VFS.mountMu before FilesystemImpl calls for ↵Jamie Liu
/proc/[pid]/{mounts,mountinfo}. Also move VFS.MakeSyntheticMountpoint() (which is a utility wrapper around VFS.MkdirAllAt(), itself a utility wrapper around VFS.MkdirAt()) to not be in the middle of the implementation of these proc files. Fixes #3878 PiperOrigin-RevId: 330843106
2020-09-10Merge release-20200818.0-146-g2c7df1a9a (automated)gVisor bot
2020-09-09Don't write VFS2 gofer client timestamps back on dentry destruction.Jamie Liu
This feature is too expensive for runsc, even with setattrclunk, because fsgofer.localFile.SetAttr() ends up needing to call reopenProcFD(), incurring two string allocations for the FD pathname, an fd.FD allocation, and two calls to runtime.SetFinalizer() when the fd.FD is created and closed respectively (b/133767962) (plus the actual cost of the syscalls, which is negligible). PiperOrigin-RevId: 330843012
2020-09-10Merge release-20200818.0-145-gf94995114 (automated)gVisor bot
2020-09-09Merge pull request #3886 from avagin:github-act-featuregVisor bot
PiperOrigin-RevId: 330841374
2020-09-10Merge release-20200810.0-200-gc7d09207e (automated)gVisor bot
2020-09-09github: run actions for feature branchesAndrei Vagin
Signed-off-by: Andrei Vagin <avagin@google.com>
2020-09-09Don't sched_setaffinity in ptrace platform.Jamie Liu
PiperOrigin-RevId: 330777900
2020-09-09Fix formatting for Kubernetes tutorialIan Lewis
PiperOrigin-RevId: 330745430
2020-09-09Add syntax highlighting to websiteIan Lewis
Adds a syntax highlighting theme css so that code snippets are highlighted properly. PiperOrigin-RevId: 330733737
2020-09-09Add a Docker Compose tutorialIan Lewis
Adds a Docker Compose tutorial to the website that shows how to start a Wordpress site and includes information about how to get DNS working. Fixes #115 PiperOrigin-RevId: 330652842
2020-09-09Implement synthetic mountpoints for kernfs.Jamie Liu
PiperOrigin-RevId: 330629897
2020-09-09[vfs] overlayfs: Fix socket tests.Ayush Ranjan
- BindSocketThenOpen test was expecting the incorrect error when opening a socket. Fixed that. - VirtualFilesystem.BindEndpointAt should not require pop.Path.Begin.Ok() because the filesystem implementations do not need to walk to the parent dentry. This check also exists for MknodAt, MkdirAt, RmdirAt, SymlinkAt and UnlinkAt but those filesystem implementations also need to walk to the parent denty. So that check is valid. Added some syscall tests to test this. PiperOrigin-RevId: 330625220
2020-09-09Add check for both child and childMerkle ENOENTgVisor bot
The check in verity walk returns error for non ENOENT cases, and all ENOENT results should be checked. This case was missing. PiperOrigin-RevId: 330604771
2020-09-09Implement ioctl with enable veritygVisor bot
ioctl with FS_IOC_ENABLE_VERITY is added to verity file system to enable a file as verity file. For a file, a Merkle tree is built with its data. For a directory, a Merkle tree is built with the root hashes of its children. PiperOrigin-RevId: 330604368
2020-09-09[vfs] overlayfs: decref VD when not using it.Ayush Ranjan
overlay/filesystem.go:lookupLocked() did not DecRef the VD on some error paths when it would not end up saving or using the VD. PiperOrigin-RevId: 330589742
2020-09-09Honor readonly flag for root mountFabricio Voznika
Updates #1487 PiperOrigin-RevId: 330580699
2020-09-09Increase resolution timeout for TestCacheResolutionSam Balana
Fixes pkg/tcpip/stack:stack_test flake experienced while running TestCacheResolution with gotsan. This occurs when the test-runner takes longer than the resolution timeout to call linkAddrCache.get. In this test we don't care about the resolution timeout, so set it to the maximum and rely on test-runner timeouts to avoid deadlocks. PiperOrigin-RevId: 330566250
2020-09-09Fix the use after nil check on args.MountNamespaceVFS2Tiwei Bie
The args.MountNamespaceVFS2 is used again after the nil check, instead, mntnsVFS2 which holds the expected reference should be used. This patch fixes this issue. Fixes: #3855 Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
2020-09-09Fix data race in tcp.GetSockOpt.Bhasker Hariharan
e.ID can't be read without holding e.mu. GetSockOpt was reading e.ID when looking up OriginalDst without holding e.mu. PiperOrigin-RevId: 330562293
2020-09-09Improve type safety for transport protocol optionsGhanan Gowripalan
The existing implementation for TransportProtocol.{Set}Option take arguments of an empty interface type which all types (implicitly) implement; any type may be passed to the functions. This change introduces marker interfaces for transport protocol options that may be set or queried which transport protocol option types implement to ensure that invalid types are caught at compile time. Different interfaces are used to allow the compiler to enforce read-only or set-only socket options. RELNOTES: n/a PiperOrigin-RevId: 330559811
2020-09-09[vfs] Capitalize x in the {Get/Set/Remove/List}xattr functions.Ayush Ranjan
PiperOrigin-RevId: 330554450
2020-09-09Fix make_apt script.Ayush Ranjan
This change makes the following fixes: - When creating a test repo.key, create a secret keyring as other workflows also use secret keyrings only. - We should not be using both --keyring and --secret-keyring options. Just use --secret-keyring. - Pass homedir to all gpg commands. dpkg-sig takes an arg -g which stands for gpgopts. So we need to pass the homedir there too. PiperOrigin-RevId: 330443280
2020-09-09Simplify FD handling for container start/execFabricio Voznika
VFS1 and VFS2 host FDs have different dupping behavior, making error prone to code for both. Change the contract so that FDs are released as they are used, so the caller can simple defer a block that closes all remaining files. This also addresses handling of partial failures. With this fix, more VFS2 tests can be enabled. Updates #1487 PiperOrigin-RevId: 330112266
2020-09-09Adjust input file offset when sendfile only completes a partial write.Dean Deng
Fixes #3779. PiperOrigin-RevId: 330057268
2020-09-09Fix the release workflow.Ayush Ranjan
PiperOrigin-RevId: 330049242
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