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2020-04-03Merge release-20200323.0-62-gdd3bc49 (automated)gVisor bot
2020-04-02Add NAME_MAX checks and update file timesFabricio Voznika
NAME_MAX should be enforced per filesystem implementation because other file systems may not have the same restriction. Gofer filesystem now keeps a reference to the kernel clock to avoid lookup in the Context on file access to update atime. Update access, modification, and status change times in tmpfs. Updates #1197, #1198. PiperOrigin-RevId: 304527148
2020-04-03Merge release-20200323.0-61-g4582a2f (automated)gVisor bot
2020-04-02Drop NDP messages with fragment extension headerGhanan Gowripalan
As per RFC 6980 section 5, nodes MUST silently ignore NDP messages if the packet carrying them include an IPv6 Fragmentation Header. Test: ipv6_test.TestNDPValidation PiperOrigin-RevId: 304519379
2020-04-03Merge release-20200323.0-60-g5b2396d (automated)gVisor bot
2020-04-02Fix typo in TODO comments.Dean Deng
PiperOrigin-RevId: 304508083
2020-04-03Merge release-20200323.0-59-gdbc507d (automated)gVisor bot
2020-04-02Add equivalents to FMODE_PREAD/PWRITE to VFS2.Jamie Liu
This is mostly required for PipeTest_OffsetCalls. The options are DenyPRead/PWrite rather than AllowPRead/PWrite since, in Linux terms, fs/open.c:do_dentry_open sets FMODE_PREAD|FMODE_PWRITE unconditionally (although it allows filesystem implementations of open to unset these flags), so they're set for most FDs; it's usually FDs created outside of open(2) that don't get them, e.g.: - Syscall-created pipes (fs/pipe.c:create_pipe_files => fs/file_table.c:alloc_file_pseudo) - Epoll instances (fs/eventpoll.c:do_epoll_create => fs/anon_inodes.c:anon_inode_getfile => alloc_file_pseudo) - Sockets (net/socket.c:sock_alloc_file => alloc_file_pseudo) This CL adds the flags to epoll instances; a subsequent CL reworks the VFS2 implementation of pipe FDs to be filesystem-independent and adds the flags there, and sockets aren't implemented yet. Updates #1035 PiperOrigin-RevId: 304506434
2020-04-02Merge release-20200323.0-58-gecc3d01 (automated)gVisor bot
2020-04-02Increment NDP message RX stats before validationGhanan Gowripalan
Tests: - ipv6_test.TestHopLimitValidation - ipv6_test.TestRouterAdvertValidation PiperOrigin-RevId: 304495723
2020-04-02Merge release-20200323.0-57-g30388ff (automated)gVisor bot
2020-04-02Rename files in //pkg/sync to better reflect what they contain.Jamie Liu
PiperOrigin-RevId: 304447031
2020-04-02Merge release-20200323.0-56-g0358361 (automated)gVisor bot
2020-04-02Fix typo in benchmarks.shZach Koopmans
PiperOrigin-RevId: 304440599
2020-04-02Merge release-20200323.0-55-gc6d5742 (automated)gVisor bot
2020-04-02Fix flaky TCPLinger2TimeoutAfterClose test.Bhasker Hariharan
The test is flaky in cooperative S/R mode because TCP timers are not restored across a S/R. This can cause the TCPLinger2 timer to not fire. This change disables S/R before setting the TCP_LINGER2 timeout. PiperOrigin-RevId: 304430536
2020-04-02Merge release-20200323.0-54-g3702599 (automated)gVisor bot
2020-04-01Add "/snap/bin" to PATH.Zach Koopmans
"gcloud" may be installed as a snap, under "/snap/bin". Make sure this is in our PATH so that we can use gcloud. PiperOrigin-RevId: 304297180
2020-04-01Merge release-20200323.0-53-g1561ae3 (automated)gVisor bot
2020-04-01go-marshal: Allow array lens to be consts and simple expressions.Rahat Mahmood
Previously, go-marshal only allowed literals for array lengths. However, it's very common for ABI structs to have a fix-sized array whose length is defined by a constant; for example PATH_MAX. Having to convert all such arrays to have literal lengths is too awkward. PiperOrigin-RevId: 304289345
2020-04-01Merge release-20200323.0-52-gaecd3a2 (automated)gVisor bot
2020-04-01Deflake tcpip/stack:stack_x_testGhanan Gowripalan
Timeouts were increased to deflake pkg/tcpip/stack:stack_x_test tests that depend on timers. Some timeouts used previously were intended for tests that do not depend on timers, so this change updates those timeouts to give more time for a timer-based event to occur. This change also de-parallelizes non-subtests to reduce the number of active timers. Test: bazel test //pkg/tcpip/stack:stack_x_test --runs_per_test=500 PiperOrigin-RevId: 304287622
2020-04-01Merge release-20200323.0-51-g0d1e299 (automated)gVisor bot
2020-04-01Pass configurable FilesystemType to tmpfs.Nicolas Lacasse
PiperOrigin-RevId: 304234086
2020-04-01Merge release-20200323.0-50-g38f4501 (automated)gVisor bot
2020-04-01Add context.Context argument to XxxWithErrno functionsEyal Soha
This allows control over the gRPC timeouts as needed. PiperOrigin-RevId: 304225713
2020-04-01Merge release-20200323.0-49-g4e6a1a5 (automated)gVisor bot
2020-04-01Automated rollback of changelist 303799678Adin Scannell
PiperOrigin-RevId: 304221302
2020-04-01Merge release-20200323.0-48-gdb79175 (automated)gVisor bot
2020-04-01Fix 386 build tagsMichael Pratt
The build tag for 32-bit x86 is 386, not i386. Updates #2298 PiperOrigin-RevId: 304206373
2020-04-01Merge release-20200323.0-47-gd01a8ca (automated)gVisor bot
2020-04-01Add FileDescription interface for socket files.Dean Deng
Refactor the existing socket interface to share methods between VFS1 and VFS2. The method signatures do not contain anything filesystem-related, so they don't need to be re-defined for VFS2. Updates #1476, #1478, #1484, #1485. PiperOrigin-RevId: 304184545
2020-04-01Merge release-20200323.0-46-g507f997 (automated)gVisor bot
2020-04-01go-marshal: Improve collision detection of import statments.Rahat Mahmood
Previously, the import statement collision detection mechanism aborted go-marshal whenever it detected two imports in any package that has the same local name. Consider this trivial package, defined by the the following two source files: file1.go: package example import ( path/a/to/foo ) ... file2.go: package example import ( another/package/with/final/component/foo ) ... Go-marshal previously couldn't handle generating code for the the above package, even if none of the types marked for marshalling used either of the imported foo packages. This turns out to be too restrictive as we run into this a lot in practice. Examples include "encoding/binary" vs "gvisor/pkg/binary/binary", and "sync" vs "gvisor/pkg/sync/sync". This change allows go-marshal to proceed with marshalling, and only abort if the code generated by go-marshal references any such ambiguous import names. PiperOrigin-RevId: 304131190
2020-04-01Merge release-20200323.0-45-g840980a (automated)gVisor bot
2020-03-31Implement automated marshalling for slices of Marshallable types.Rahat Mahmood
PiperOrigin-RevId: 304119255
2020-04-01Merge release-20200323.0-44-gd25036a (automated)gVisor bot
2020-03-31Test receiving multicast packets over UDPEyal Soha
PiperOrigin-RevId: 304098611
2020-04-01Merge release-20200323.0-43-g639d94f (automated)gVisor bot
2020-03-31Add socket filesystem and global disconnected socket mount for VFS2.Dean Deng
A socket mount where anonymous sockets will reside is added to the VirtualFilesystem. Socketfs is built on top of kernfs. Updates #1476, #1478, #1484, #1485. PiperOrigin-RevId: 304095251
2020-03-31Merge release-20200323.0-42-g57e67e3 (automated)gVisor bot
2020-03-31Debug script issues on Kokoro.Zach Koopmans
PiperOrigin-RevId: 304068950
2020-03-31Merge release-20200323.0-41-gb6639f7 (automated)gVisor bot
2020-03-31Include original copyUp error in panic if cleanupUpper fails.Nicolas Lacasse
When copyUp fails, we attempt to clean up the upper filesystem by removing any files that have already been copied-up. If the cleanup fails, we panic because the "overlay filesystem is in an inconsistent state". This CL adds the original copy-up error to the panic information, to hopefully make it easier to track down how the overlay filesystem got into the inconsistent state. PiperOrigin-RevId: 304053370
2020-03-31Fix /proc/self/mounts and /proc/self/mountinfo in VFS2.Nicolas Lacasse
Some extra fields were added to the Mount type to expose necessary data to the proc filesystem. PiperOrigin-RevId: 304053361
2020-03-31Merge release-20200323.0-39-g9de982e (automated)gVisor bot
2020-03-31Allow passing root file type to tmpfs.Nicolas Lacasse
PiperOrigin-RevId: 304053357
2020-03-30Merge release-20200219.0-261-g32a1335 (automated)gVisor bot
2020-03-30Add AMD Rome CPUID flag.Michael Pratt
This flag is set on Rome CPUs, but it is not documented. PiperOrigin-RevId: 303825532
2020-03-30Merge release-20200219.0-260-ge36eccc (automated)gVisor bot
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