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2019-08-16ptrace: detect if a stub process exited unexpectedlyAndrei Vagin
PiperOrigin-RevId: 263880577
2019-08-16Merge f7114e0a (automated)gVisor bot
2019-08-16Add subnet checking to NIC.findEndpoint and consolidate with NIC.getRefChris Kuiper
This adds the same logic to NIC.findEndpoint that is already done in NIC.getRef. Since this makes the two functions very similar they were combined into one with the originals being wrappers. PiperOrigin-RevId: 263864708
2019-08-16Merge d60d99cb (automated)gVisor bot
2019-08-16Bump rules_go to v0.19.3 and bazel_gazelle to v0.18.1.Nicolas Lacasse
And bump go toolchain to v1.12.9. Protobuf dependencies must be explicitly included now. PiperOrigin-RevId: 263853370
2019-08-16Merge 4bab7d7f (automated)gVisor bot
2019-08-16vfs: Remove vfs.DefaultDirectoryFD from embedding vfs.DefaultFD.Ayush Ranjan
This fixes the implementation ambiguity issues when a filesystem implementation embeds vfs.DefaultDirectoryFD to its directory FD along with an internal common fileDescription utility. For similar reasons also removes FileDescriptionDefaultImpl from DynamicBytesFileDescriptionImpl. PiperOrigin-RevId: 263795513
2019-08-15Merge ef045b91 (automated)gVisor bot
2019-08-15Add tests for "cooked" AF_PACKET sockets.Kevin Krakauer
PiperOrigin-RevId: 263666789
2019-08-15Document source and versioning of the TCPInfo struct.Rahat Mahmood
PiperOrigin-RevId: 263637194
2019-08-15Don't dereference errors passed to panic()Tamir Duberstein
These errors are always pointers; there's no sense in dereferencing them in the panic call. Changed one false positive for clarity. PiperOrigin-RevId: 263611579
2019-08-15Merge 816a9211 (automated)gVisor bot
2019-08-15netstack: move resumption logic into *_state.goTamir Duberstein
13a98df rearranged some of this code in a way that broke compilation of the netstack-only export at github.com/google/netstack because *_state.go files are not included in that export. This commit moves resumption logic back into *_state.go, fixing the compilation breakage. PiperOrigin-RevId: 263601629
2019-08-15Enabling pkg/tcpip/link support on arm64.Haibo Xu
Signed-off-by: Haibo Xu haibo.xu@arm.com Change-Id: Ib6b4aa2db19032e58bf0395f714e6883caee460a
2019-08-15Rename fdbased/mmap.go to fdbased/mmap_stub.go.Haibo Xu
Signed-off-by: Haibo Xu haibo.xu@arm.com Change-Id: Id4489554b9caa332695df8793d361f8332f6a13b
2019-08-15Rename rawfile/blockingpoll_unsafe.go to rawfile/blockingpoll_stub_unsafe.go.Haibo Xu
Signed-off-by: Haibo Xu haibo.xu@arm.com Change-Id: I2376e502c1a860d5e624c8a8e3afab5da4c53022
2019-08-14Merge d81d94ac (automated)gVisor bot
2019-08-14Replace uinptr with int64 when returning lengthsTamir Duberstein
This is in accordance with newer parts of the standard library. PiperOrigin-RevId: 263449916
2019-08-14Merge 69d1414a (automated)gVisor bot
2019-08-14Add tcpip.AddressWithPrefix.StringTamir Duberstein
PiperOrigin-RevId: 263436592
2019-08-14Merge 570fb1db (automated)gVisor bot
2019-08-14Improve SendMsg performance.Bhasker Hariharan
SendMsg before this change would copy all the data over into a new slice even if the underlying socket could only accept a small amount of data. This is really inefficient with non-blocking sockets and under high throughput where large writes could get ErrWouldBlock or if there was say a timeout associated with the sendmsg() syscall. With this change we delay copying bytes in till they are needed and only copy what can be potentially sent/held in the socket buffer. Reducing the need to repeatedly copy data over. Also a minor fix to change state FIN-WAIT-1 when shutdown(..., SHUT_WR) is called instead of when we transmit the actual FIN. Otherwise the socket could remain in CONNECTED state even though the user has called shutdown() on the socket. Updates #627 PiperOrigin-RevId: 263430505
2019-08-14Merge cee044c2 (automated)gVisor bot
2019-08-13Add vfs.DynamicBytesFileDescriptionImpl.Jamie Liu
This replaces fs/proc/seqfile for vfs2-based filesystems. PiperOrigin-RevId: 263254647
2019-08-13Merge 0e907c42 (automated)gVisor bot
2019-08-13Fix file mode check in pipeOperationsFabricio Voznika
PiperOrigin-RevId: 263203441
2019-08-13Add note to name logging mentioning trace logging should be enabled to debug.Ian Gudger
PiperOrigin-RevId: 263194584
2019-08-13Merge c386f046 (automated)gVisor bot
2019-08-13Fix file mode check in fsgofer AttachFabricio Voznika
PiperOrigin-RevId: 263189654
2019-08-13Merge 99bf75a6 (automated)gVisor bot
2019-08-13gonet: Replace NewPacketConn with DialUDP.Ian Gudger
This better matches the standard library and allows creating connected PacketConns. PiperOrigin-RevId: 263187462
2019-08-13Merge 8d97b22a (automated)gVisor bot
2019-08-13tests: print stack traces if test failed by timeoutAndrei Vagin
PiperOrigin-RevId: 263184083
2019-08-13Bump Bazel to v0.28.0Nicolas Lacasse
The new version has a change in behavior when using a custom platform: * Old behavior: rules that don't require a toolchain used host_platform, no matter what execution platforms are specified. * New behavior: rules that don't require a toolchain use standard platform resolution that starts with execution platforms. As part of this change, we cannot use the "extra_exectution_platforms" flag provided by the default bazelrc. I got rid of the default bazelrc file, and made our custom .bazelrc as minimal as possible. PiperOrigin-RevId: 263176802
2019-08-13Merge 691c2f81 (automated)gVisor bot
2019-08-12Handle ENOSPC with a partial write.Nicolas Lacasse
Similar to the EPIPE case, we can return the number of bytes written before ENOSPC was encountered. If the app tries to write more, we can return ENOSPC on the next write. PiperOrigin-RevId: 263041648
2019-08-12Compute size of struct tcp_info instead of hardcoding it.Rahat Mahmood
PiperOrigin-RevId: 263040624
2019-08-12Merge eac690e3 (automated)gVisor bot
2019-08-12Fix netstack build error on non-AMD64.Ian Gudger
This stub had the wrong function signature. PiperOrigin-RevId: 262992682
2019-08-10Merge af90e686 (automated)gVisor bot
2019-08-09netlink: return an error in nlmsgerrAndrei Vagin
Now if a process sends an unsupported netlink requests, an error is returned from the send system call. The linux kernel works differently in this case. It returns errors in the nlmsgerr netlink message. Reported-by: syzbot+571d99510c6f935202da@syzkaller.appspotmail.com PiperOrigin-RevId: 262690453
2019-08-09Merge f2762e8c (automated)gVisor bot
2019-08-09Create tests for common.Search().Brett Landau
Using the path_test.go file built by the Golang devs as a base, tests have been created to verify the functionality of common.Search(). A mock file system is created and fake test files are generated to see if they get picked up by common.Search(). Also included in this CL is a bug fix for proctor-nodejs that was discovered using this test. proctor-nodejs used to allow multiple "-" in its test name filter. The regex has been updated to prevent this. PiperOrigin-RevId: 262647263
2019-08-09Merge 5a38eb12 (automated)gVisor bot
2019-08-09Add congestion control states to sender.Bhasker Hariharan
This change just introduces different congestion control states and ensures the sender.state is updated to reflect the current state of the connection. It is not used for any decisions yet but this is required before algorithms like Eiffel/PRR can be implemented. Fixes #394 PiperOrigin-RevId: 262638292
2019-08-09Add initial ptrace stub and syscall support for arm64.Haibo Xu
Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: I1dbd23bb240cca71d0cc30fc75ca5be28cb4c37c PiperOrigin-RevId: 262619519
2019-08-09Merge c8961a6c (automated)gVisor bot
2019-08-09ext: Move to pkg/sentry/fsimpl.Ayush Ranjan
fsimpl is the keeper of all filesystem implementations in VFS2. PiperOrigin-RevId: 262617869
2019-08-09Fix the Stringer for leak modepraveensastry
2019-08-09Merge 69030811 (automated)gVisor bot
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