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PiperOrigin-RevId: 308940886
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PiperOrigin-RevId: 308932254
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Support generating temporary (short-lived) IPv6 SLAAC addresses to
address privacy concerns outlined in RFC 4941.
Tests:
- stack_test.TestAutoGenTempAddr
- stack_test.TestNoAutoGenTempAddrForLinkLocal
- stack_test.TestAutoGenTempAddrRegen
- stack_test.TestAutoGenTempAddrRegenTimerUpdates
- stack_test.TestNoAutoGenTempAddrWithoutStableAddr
- stack_test.TestAutoGenAddrInResponseToDADConflicts
PiperOrigin-RevId: 308915566
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Named pipes and sockets can be represented in two ways in gofer fs:
1. As a file on the remote filesystem. In this case, all file operations are
passed through 9p.
2. As a synthetic file that is internal to the sandbox. In this case, the
dentry stores an endpoint or VFSPipe for sockets and pipes respectively,
which replaces interactions with the remote fs through the gofer.
In gofer.filesystem.MknodAt, we attempt to call mknod(2) through 9p,
and if it fails, fall back to the synthetic version.
Updates #1200.
PiperOrigin-RevId: 308828161
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The FileDescription implementation for hostfs sockets uses the standard Unix
socket implementation (unix.SocketVFS2), but is also tied to a hostfs dentry.
Updates #1672, #1476
PiperOrigin-RevId: 308716426
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Poll for metric updates as immediately trying to read them can sometimes be
flaky if due to goroutine scheduling the check happens before the sender has got
a chance to update the corresponding sent metric.
PiperOrigin-RevId: 308712817
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The meaning for skipDump was reversed, but not all callers
were updated. Change the meaning once again to forceDump, so
that the period between stack dump is respected from all
callers.
PiperOrigin-RevId: 308674373
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PiperOrigin-RevId: 308674219
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PiperOrigin-RevId: 308617610
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PiperOrigin-RevId: 308472331
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Tested:
Ran a packetimpact test after `docker image rm` and examined the message.
PiperOrigin-RevId: 308370603
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This change includes:
- Modifications to loader_test.go to get TestCreateMountNamespace to
pass with VFS2.
- Changes necessary to get TestHelloWorld in image tests to pass with
VFS2. This means runsc can run the hello-world container with docker
on VSF2.
Note: Containers that use sockets will not run with these changes.
See "//test/image/...". Any tests here with sockets currently fail
(which is all of them but HelloWorld).
PiperOrigin-RevId: 308363072
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PiperOrigin-RevId: 308347744
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Tested:
When run on Linux, a correct ICMPv6 response is received. On netstack, no
ICMPv6 response is received.
PiperOrigin-RevId: 308343113
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This change moves all Docker images to a standard location, and abstracts the
build process so that they can be maintained in an automated fashion. This also
allows the images to be architecture-independent.
All images will now be referred to by the test framework via the canonical
`gvisor.dev/images/<name>`, where `<name>` is a function of the path within the
source tree.
In a subsequent change, continuous integration will be added so that the images
will always be correct and available locally.
In the end, using `bazel` for Docker containers is simply not possible. Given
that we already have the need to use `make` with the base container (for
Docker), we extend this approach to get more flexibility.
This change also adds a self-documenting and powerful Makefile that is intended
to replace the collection of scripts in scripts. Canonical (self-documenting)
targets can be added here for targets that understand which images need to be
loaded and/or built.
PiperOrigin-RevId: 308322438
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Fixes #1477.
PiperOrigin-RevId: 308317511
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A CancellableTimer's AfterFunc timer instance creates a closure over the
CancellableTimer's address. This closure makes a CancellableTimer unsafe
to copy.
No behaviour change, existing tests pass.
PiperOrigin-RevId: 308306664
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PiperOrigin-RevId: 308304793
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- Return ENOENT for /proc/[pid]/task if task is zoombied or terminated
- Allow directory to be Seek() to the end
- Construct synthetic files for /proc/[pid]/ns/*
- Changed GenericDirectoryFD.Init to not register with FileDescription,
otherwise other implementation cannot change behavior.
Updates #1195,1193
PiperOrigin-RevId: 308294649
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This is needed to set up host fds passed through a Unix socket. Note that
the host package depends on kernel, so we cannot set up the hostfs mount
directly in Kernel.Init as we do for sockfs and pipefs.
Also, adjust sockfs to make its setup look more like hostfs's and pipefs's.
PiperOrigin-RevId: 308274053
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Just call syscall.Fstat directly each time mode/file owner are needed. This
feels more natural than using i.getPermissions().
PiperOrigin-RevId: 308257405
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PiperOrigin-RevId: 308170679
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PiperOrigin-RevId: 308164359
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These methods let users eaily break the VectorisedView abstraction, and
allowed netstack to slip into pseudo-enforcement of the "all headers are
in the first View" invariant. Removing them and replacing with PullUp(n)
breaks this reliance and will make it easier to add iptables support and
rework network buffer management.
The new View.PullUp(n) method is low cost in the common case, when when
all the headers fit in the first View.
PiperOrigin-RevId: 308163542
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Ensure we use the correct architecture-specific defintion of epoll
event, and use go-marshal for serialization.
PiperOrigin-RevId: 308145677
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PiperOrigin-RevId: 308143529
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