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2020-08-18Merge release-20200810.0-52-g6405525b0 (automated)gVisor bot
2020-08-18Avoid holding locks when opening files in VFS2.Jamie Liu
Fixes #3243, #3521 PiperOrigin-RevId: 327308890
2020-08-18Merge release-20200810.0-51-g760c131da (automated)gVisor bot
2020-08-18Merge release-20200810.0-50-g4141dc0d2 (automated)gVisor bot
2020-08-18Merge release-20200810.0-49-gb3141b680 (automated)gVisor bot
2020-08-18Merge release-20200810.0-48-gb9d87ae7a (automated)gVisor bot
2020-08-18[vfs2] Implement /proc/sys/net/ipv4/tcp_rmem and /proc/sys/net/ipv4/tcp_wmem.Ayush Ranjan
Updates #1035 PiperOrigin-RevId: 327253907
2020-08-18Merge release-20200810.0-47-g673b6cc7f (automated)gVisor bot
2020-08-18Merge release-20200810.0-46-gda5c2ea6d (automated)gVisor bot
2020-08-17Merge release-20200810.0-45-g6d0c5803d (automated)gVisor bot
2020-08-17Add a skeleton for verity file systemgVisor bot
PiperOrigin-RevId: 327123477
2020-08-17Merge release-20200810.0-44-gd42d01b97 (automated)gVisor bot
2020-08-17Stop masking the IO error in handleIOError.Nicolas Lacasse
PiperOrigin-RevId: 327123331
2020-08-17Merge release-20200810.0-43-g1b938ba72 (automated)gVisor bot
2020-08-17Merge release-20200810.0-42-g988ab2705 (automated)gVisor bot
2020-08-17Merge release-20200810.0-41-ge3e1b3689 (automated)gVisor bot
2020-08-17[vfs] Do O_DIRECTORY check after resolving symlinks.Ayush Ranjan
Fixes python runtime test test_glob. Updates #3515 We were checking is the to-be-opened dentry is a dir or not before resolving symlinks. We should check that after resolving symlinks. This was preventing us from opening a symlink which pointed to a directory with O_DIRECTORY. Also added this check in tmpfs and removed a duplicate check. PiperOrigin-RevId: 327085895
2020-08-17Merge release-20200810.0-40-ge3c4bbd10 (automated)gVisor bot
2020-08-17Merge release-20200810.0-39-g3bd066d50 (automated)gVisor bot
2020-08-17Remove weak references from unix sockets.Dean Deng
The abstract socket namespace no longer holds any references on sockets. Instead, TryIncRef() is used when a socket is being retrieved in BoundEndpoint(). Abstract sockets are now responsible for removing themselves from the namespace they are in, when they are destroyed. Updates #1486. PiperOrigin-RevId: 327064173
2020-08-17Merge release-20200810.0-38-g58154194b (automated)gVisor bot
2020-08-17Merge release-20200810.0-37-g97263e505 (automated)gVisor bot
2020-08-17[vfs] Return EIO when opening /dev/tty.Ayush Ranjan
This is in compliance with VFS1. See pkg/sentry/fs/dev/tty.go in the struct ttyInodeOperations. Fixes the failure of python runtime test_ioctl. Updates #3515 PiperOrigin-RevId: 327042758
2020-08-15Merge release-20200810.0-36-g9a7b5830a (automated)gVisor bot
2020-08-15Merge release-20200810.0-35-g1736b2208 (automated)gVisor bot
2020-08-14Merge release-20200810.0-34-g3f523b3bb (automated)gVisor bot
2020-08-14Merge release-20200810.0-33-gaf433e159 (automated)gVisor bot
2020-08-14Merge release-20200810.0-32-g3be8b49c7 (automated)gVisor bot
2020-08-14Merge release-20200810.0-30-ge6ea59203 (automated)gVisor bot
2020-08-14Merge release-20200810.0-28-gd6520e1d0 (automated)gVisor bot
2020-08-13[vfs2][gofer] Fix file creation flags sent to gofer.Ayush Ranjan
Fixes php runtime test ext/standard/tests/file/readfile_basic.phpt Fixes #3516 fsgofers only want the access mode in the OpenFlags passed to Create(). If more flags are supplied (like O_APPEND in this case), read/write from that fd will fail with EBADF. See runsc/fsgofer/fsgofer.go:WriteAt() VFS2 was providing more than just access modes. So filtering the flags using p9.OpenFlagsModeMask == linux.O_ACCMODE fixes the issue. Gofer in VFS1 also only extracts the access mode flags while making the create RPC. See pkg/sentry/fs/gofer/path.go:Create() Even in VFS2, when we open a handle, we extract out only the access mode flags + O_TRUNC. See third_party/gvisor/pkg/sentry/fsimpl/gofer/handle.go:openHandle() Added a test for this. PiperOrigin-RevId: 326574829
2020-08-14Merge release-20200810.0-27-gd3bb50ebf (automated)gVisor bot
2020-08-14Merge release-20200810.0-26-g20be1c0e6 (automated)gVisor bot
2020-08-14Merge release-20200810.0-24-g5036f135e (automated)gVisor bot
2020-08-13Merge release-20200810.0-23-g47515f475 (automated)gVisor bot
2020-08-13Migrate to PacketHeader API for PacketBuffer.Ting-Yu Wang
Formerly, when a packet is constructed or parsed, all headers are set by the client code. This almost always involved prepending to pk.Header buffer or trimming pk.Data portion. This is known to prone to bugs, due to the complexity and number of the invariants assumed across netstack to maintain. In the new PacketHeader API, client will call Push()/Consume() method to construct/parse an outgoing/incoming packet. All invariants, such as slicing and trimming, are maintained by the API itself. NewPacketBuffer() is introduced to create new PacketBuffer. Zero value is no longer valid. PacketBuffer now assumes the packet is a concatenation of following portions: * LinkHeader * NetworkHeader * TransportHeader * Data Any of them could be empty, or zero-length. PiperOrigin-RevId: 326507688
2020-08-13Merge release-20200810.0-22-gb928d074b (automated)gVisor bot
2020-08-13Merge release-20200810.0-21-g36134667b (automated)gVisor bot
2020-08-12Add reference leak checking to vfs2 tmpfs.inode.Dean Deng
Updates #1486. PiperOrigin-RevId: 326354750
2020-08-13Merge release-20200810.0-20-g42b610d56 (automated)gVisor bot
2020-08-12[vfs2][gofer] Return appropriate errors when opening and creating files.Ayush Ranjan
Fixes php test ext/standard/tests/file/touch_variation5.phpt on vfs2. Updates #3516 Also spotted a bug with O_EXCL, where we did not return EEXIST when we tried to open the root of the filesystem with O_EXCL | O_CREAT. Added some more tests for open() corner cases. PiperOrigin-RevId: 326346863
2020-08-12Merge release-20200810.0-19-gd50f2e2c7 (automated)gVisor bot
2020-08-12Merge release-20200810.0-18-g252329c1f (automated)gVisor bot
2020-08-12Merge pull request #3605 from lubinszARM:pr_helloworld_thunderx2gVisor bot
PiperOrigin-RevId: 326326710
2020-08-12Merge release-20200810.0-16-ge6df6222a (automated)gVisor bot
2020-08-12Merge pull request #3250 from craig08:fuse-getattrgVisor bot
PiperOrigin-RevId: 326313858
2020-08-12Merge release-20200810.0-14-g00b684ea7 (automated)gVisor bot
2020-08-12Merge release-20200804.0-67-gd797f2666 (automated)gVisor bot
2020-08-12Redirect TODOFabricio Voznika
Fixes #2923 PiperOrigin-RevId: 326296589
2020-08-12Merge release-20200804.0-66-gc5ed39016 (automated)gVisor bot
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