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2020-09-09Merge release-20200818.0-137-g8d3551da6 (automated)gVisor bot
2020-09-08Implement synthetic mountpoints for kernfs.Jamie Liu
PiperOrigin-RevId: 330629897
2020-09-09Merge release-20200818.0-136-gbca4d99a4 (automated)gVisor bot
2020-09-08[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
2020-09-08Merge release-20200818.0-135-ga17d083f3 (automated)gVisor bot
2020-09-08Add 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
2020-09-08Merge release-20200818.0-134-g360f1535c (automated)gVisor bot
2020-09-08Implement 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
2020-09-08Merge release-20200818.0-133-g682c0edcd (automated)gVisor bot
2020-09-08[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
2020-09-08Merge release-20200818.0-132-gc8f1ce288 (automated)gVisor bot
2020-09-08Honor readonly flag for root mountFabricio Voznika
Updates #1487 PiperOrigin-RevId: 330580699
2020-09-08Merge release-20200818.0-131-g284e6811e (automated)gVisor bot
2020-09-08Merge release-20200818.0-130-ga3b87a0ce (automated)gVisor bot
2020-09-08Merge pull request #3856 from btw616:fix/issue-3855gVisor bot
PiperOrigin-RevId: 330565414
2020-09-08Merge release-20200818.0-128-g38cdb0579 (automated)gVisor bot
2020-09-08Merge release-20200818.0-127-gd35f07b36 (automated)gVisor bot
2020-09-08Improve 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
2020-09-08Merge release-20200818.0-126-gd84ec6c42 (automated)gVisor bot
2020-09-08[vfs] Capitalize x in the {Get/Set/Remove/List}xattr functions.Ayush Ranjan
PiperOrigin-RevId: 330554450
2020-09-08Fix 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>
2020-09-08Merge release-20200818.0-125-gfada564c8 (automated)gVisor bot
2020-09-04Merge release-20200818.0-124-g2202812e0 (automated)gVisor bot
2020-09-04Simplify 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
2020-09-04Merge release-20200818.0-123-gc564293b6 (automated)gVisor bot
2020-09-03Adjust input file offset when sendfile only completes a partial write.Dean Deng
Fixes #3779. PiperOrigin-RevId: 330057268
2020-09-04Merge release-20200818.0-122-gb6d6a120d (automated)gVisor bot
2020-09-04Merge release-20200818.0-121-g805861ca3 (automated)gVisor bot
2020-09-03Merge release-20200818.0-120-g76e51c8b9 (automated)gVisor bot
2020-09-03Merge release-20200818.0-119-g30c20df76 (automated)gVisor bot
2020-09-03Merge release-20200818.0-118-g319ce6736 (automated)gVisor bot
2020-09-03Merge release-20200818.0-117-ga8c174c04 (automated)gVisor bot
2020-09-03Merge release-20200818.0-116-g86c1ae095 (automated)gVisor bot
2020-09-03Merge release-20200818.0-115-gb69352245 (automated)gVisor bot
2020-09-02Fix Accept to not return error for sockets in accept queue.Bhasker Hariharan
Accept on gVisor will return an error if a socket in the accept queue was closed before Accept() was called. Linux will return the new fd even if the returned socket is already closed by the peer say due to a RST being sent by the peer. This seems to be intentional in linux more details on the github issue. Fixes #3780 PiperOrigin-RevId: 329828404
2020-09-03Merge release-20200818.0-114-g1fec86193 (automated)gVisor bot
2020-09-02[vfs] Implement xattr for overlayfs.Ayush Ranjan
PiperOrigin-RevId: 329825497
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
2020-09-02Merge release-20200818.0-111-g9bd016423 (automated)gVisor bot
2020-09-02Merge release-20200818.0-110-gb9b6660dc (automated)gVisor bot
2020-09-02Merge release-20200818.0-109-g8ab08cdc0 (automated)gVisor bot
2020-09-02Merge release-20200818.0-108-ga0e431038 (automated)gVisor bot
2020-09-02Merge release-20200818.0-106-g563f28b7d (automated)gVisor bot
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
2020-09-02Merge release-20200818.0-103-gc67d8ece0 (automated)gVisor bot
2020-09-01Merge release-20200818.0-102-g2eaf54dd5 (automated)gVisor bot
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