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PiperOrigin-RevId: 294295852
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PiperOrigin-RevId: 294289066
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PiperOrigin-RevId: 294286242
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PiperOrigin-RevId: 294285723
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PiperOrigin-RevId: 294273559
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PiperOrigin-RevId: 294272755
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PiperOrigin-RevId: 294271541
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PiperOrigin-RevId: 294265019
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The readme didn't mention that users need to:
- `bazel build` when working on iptables tests
- enable raw sockets in /etc/docker/daemon.json.
PiperOrigin-RevId: 294260169
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PiperOrigin-RevId: 294257911
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PiperOrigin-RevId: 294253155
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PiperOrigin-RevId: 294250370
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PiperOrigin-RevId: 294224689
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Fixes #1255
Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I8614e6f3ee321c2989567e4e712aa8f28cc9db14
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Note that these are only implemented for tmpfs, and other impls will still
return EOPNOTSUPP.
PiperOrigin-RevId: 293899385
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Log 8, 16, and 32 int optvals and dump the memory of other sizes.
Updates #1782
PiperOrigin-RevId: 293889388
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- Move shared helpers V4Multicast and V4Broadcast to socket_test_util
- Add unnamed namespace so socket_ipv4_tcp_unbound_external_networking_test.cc
and socket_ipv4_udp_unbound_external_networking_test.cc can be compiled
together
- Add test files to "exports_files" so they can be included by Fuchsia's syscall
test setup
PiperOrigin-RevId: 293880429
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Previously, a DAD event would not be sent if DAD was disabled.
This allows integrators to do some work when an IPv6 address is bound to
a NIC without special logic that checks if DAD is enabled.
Without this change, integrators would need to check if a NIC has DAD
enabled when an address is auto-generated. If DAD is enabled, it would
need to delay the work until the DAD completion event; otherwise, it
would need to do the work in the address auto-generated event handler.
Test: stack_test.TestDADDisabled
PiperOrigin-RevId: 293732914
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Sometimes we get this error under TSAN:
"""
error getting process data from container: connecting to control server at PID
XXXX: connection refused
"""
The theory is that the top "sleep 20" was too short for TSAN, and the container
already exited, so we get connected refused. This commit changes the test to
let container signaling it's running by touching a file repeatedly forever
during the test.
PiperOrigin-RevId: 293710957
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Auto-generated link-local addresses should have the same lifecycle hooks
as global SLAAC addresses.
The Stack's NDP dispatcher should be notified when link-local addresses
are auto-generated and invalidated. They should also be removed when a
NIC is disabled (which will be supported in a later change).
Tests:
- stack_test.TestNICAutoGenAddrWithOpaque
- stack_test.TestNICAutoGenAddr
PiperOrigin-RevId: 293706760
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Change adds the following:
- logic to run from "baked images". See [GVISOR_DIR]/tools/images
- installers which install modified files from a workspace. This
allows users to run benchmarks while modifying runsc.
- removes the --preemptible tag from built GCE instances. Preemptible
instances are much more likely to be preempted on startup, which
manifests for the user as a failed benchmark. I don't currently have
a way to detect if a VM has been preempted that will work for this
change.
https://cloud.google.com/compute/docs/instances/preemptible#preemption_process
https://cloud.google.com/compute/docs/instances/preemptible#preemption_selection
PiperOrigin-RevId: 293697949
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Addresses may be added before a NIC is enabled. Make sure DAD is
performed on the permanent IPv6 addresses when they get enabled.
Test:
- stack_test.TestDoDADWhenNICEnabled
- stack.TestDisabledRxStatsWhenNICDisabled
PiperOrigin-RevId: 293697429
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PiperOrigin-RevId: 293676954
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The types gonet.Conn and gonet.PacketConn were confusingly named as both
implemented net.Conn. Further, gonet.Conn was perhaps unexpectedly
TCP-specific (net.Conn is not). This change renames them to gonet.TCPConn and
gonet.UDPConn.
Renames gonet.NewListener to gonet.ListenTCP and adds a new gonet.NewTCPListner
function to be consistent with both the gonet.DialXxx and gonet.NewXxxConn
functions as well as net.ListenTCP.
Updates #1632
PiperOrigin-RevId: 293671303
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The host /etc can contain config files which affect tests.
For example, bash reads /etc/passwd and if it is too big
a test can fail by timeout.
PiperOrigin-RevId: 293670637
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Get the link address for the target of an NDP Neighbor Advertisement
from the NDP Target Link Layer Address option.
Tests:
- ipv6.TestNeighorAdvertisementWithTargetLinkLayerOption
- ipv6.TestNeighorAdvertisementWithInvalidTargetLinkLayerOption
PiperOrigin-RevId: 293632609
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When ignored, the trap should be executed which generates
a SIGSEGV as in the above case.
PiperOrigin-RevId: 293618489
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PiperOrigin-RevId: 293617493
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These were out-of-band notes that can help provide additional context
and simplify automated imports.
PiperOrigin-RevId: 293525915
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From RFC 793 s3.9 p58 Event Processing:
If RECEIVE Call arrives in CLOSED state and the user has access to such a
connection, the return should be "error: connection does not exist"
Fixes #1598
PiperOrigin-RevId: 293494287
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PiperOrigin-RevId: 293413711
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PiperOrigin-RevId: 293411655
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PiperOrigin-RevId: 293409718
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PiperOrigin-RevId: 293271055
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PiperOrigin-RevId: 293243342
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Tests 65k connection attempts on common types of sockets to check for port
leaks.
Also fixes a bug where dual-stack sockets wouldn't properly re-queue
segments received while closing.
PiperOrigin-RevId: 293241166
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container_test was flaking because a small percentage of runs timed out. Tested
this fix with --runs_per_test=100.
PiperOrigin-RevId: 293240102
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Note that files will need to be appropriately segmented in order for the
mechanism to work, in suffixes implying special tags. This only needs to happen
for cases where marshal or state structures are defined, which should be rare
and mostly architecture specific.
PiperOrigin-RevId: 293231579
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Go 1.14 has a workaround for a Linux 5.2-5.4 bug which requires mlock'ing the g
stack to prevent register corruption. We need to allow this syscall until it is
removed from Go.
PiperOrigin-RevId: 293212935
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The timer ID is copied out to the argument.
Fixes #1738
PiperOrigin-RevId: 293210801
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So it can be included in fuchsia's syscall tests
PiperOrigin-RevId: 293208306
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This is failing in Go1.14 due to new checkptr constraints. This version
should avoid hitting this constraints by doing "dangerous" pointer math
less dangerously?
PiperOrigin-RevId: 293205764
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Updates #1035
PiperOrigin-RevId: 293194631
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Updates #1198
Opening host pipes (by spinning in fdpipe) and host sockets is not yet
complete, and will be done in a future CL.
Major differences from VFS1 gofer client (sentry/fs/gofer), with varying levels
of backportability:
- "Cache policies" are replaced by InteropMode, which control the behavior of
timestamps in addition to caching. Under InteropModeExclusive (analogous to
cacheAll) and InteropModeWritethrough (analogous to cacheAllWritethrough),
client timestamps are *not* written back to the server (it is not possible in
9P or Linux for clients to set ctime, so writing back client-authoritative
timestamps results in incoherence between atime/mtime and ctime). Under
InteropModeShared (analogous to cacheRemoteRevalidating), client timestamps
are not used at all (remote filesystem clocks are authoritative). cacheNone
is translated to InteropModeShared + new option
filesystemOptions.specialRegularFiles.
- Under InteropModeShared, "unstable attribute" reloading for permission
checks, lookup, and revalidation are fused, which is feasible in VFS2 since
gofer.filesystem controls path resolution. This results in a ~33% reduction
in RPCs for filesystem operations compared to cacheRemoteRevalidating. For
example, consider stat("/foo/bar/baz") where "/foo/bar/baz" fails
revalidation, resulting in the instantiation of a new dentry:
VFS1 RPCs:
getattr("/") // fs.MountNamespace.FindLink() => fs.Inode.CheckPermission() => gofer.inodeOperations.check() => gofer.inodeOperations.UnstableAttr()
walkgetattr("/", "foo") = fid1 // fs.Dirent.walk() => gofer.session.Revalidate() => gofer.cachePolicy.Revalidate()
clunk(fid1)
getattr("/foo") // CheckPermission
walkgetattr("/foo", "bar") = fid2 // Revalidate
clunk(fid2)
getattr("/foo/bar") // CheckPermission
walkgetattr("/foo/bar", "baz") = fid3 // Revalidate
clunk(fid3)
walkgetattr("/foo/bar", "baz") = fid4 // fs.Dirent.walk() => gofer.inodeOperations.Lookup
getattr("/foo/bar/baz") // linux.stat() => gofer.inodeOperations.UnstableAttr()
VFS2 RPCs:
getattr("/") // gofer.filesystem.walkExistingLocked()
walkgetattr("/", "foo") = fid1 // gofer.filesystem.stepExistingLocked()
clunk(fid1)
// No getattr: walkgetattr already updated metadata for permission check
walkgetattr("/foo", "bar") = fid2
clunk(fid2)
walkgetattr("/foo/bar", "baz") = fid3
// No clunk: fid3 used for new gofer.dentry
// No getattr: walkgetattr already updated metadata for stat()
- gofer.filesystem.unlinkAt() does not require instantiation of a dentry that
represents the file to be deleted. Updates #898.
- gofer.regularFileFD.OnClose() skips Tflushf for regular files under
InteropModeExclusive, as it's nonsensical to request a remote file flush
without flushing locally-buffered writes to that remote file first.
- Symlink targets are cached when InteropModeShared is not in effect.
- p9.QID.Path (which is already required to be unique for each file within a
server, and is accordingly already synthesized from device/inode numbers in
all known gofers) is used as-is for inode numbers, rather than being mapped
along with attr.RDev in the client to yet another synthetic inode number.
- Relevant parts of fsutil.CachingInodeOperations are inlined directly into
gofer package code. This avoids having to duplicate part of its functionality
in fsutil.HostMappable.
PiperOrigin-RevId: 293190213
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Internal pipes are supported similarly to how internal UDS is done.
It is also controlled by the same flag.
Fixes #1102
PiperOrigin-RevId: 293150045
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PiperOrigin-RevId: 293029446
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PiperOrigin-RevId: 293019326
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* Tests are picked for a shard differently. It now picks one test from each
block, instead of picking the whole block. This makes the same kind of tests
spreads across different shards.
* Reduce the number of connect() calls in TCPListenClose.
PiperOrigin-RevId: 293019281
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PiperOrigin-RevId: 292974323
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PiperOrigin-RevId: 292973224
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