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Also fixes the docker_image bazel rule, and website-server make target.
Fixes #3273
PiperOrigin-RevId: 338606668
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Previously a link endpoint was passed to
stack.LinkAddressResolver.LinkAddressRequest. With this change,
implementations that want a route for the link address request may
find one through the stack. Other implementations that want to send
a packet without a route may continue to do so using the network
interface directly.
Test: - arp_test.TestLinkAddressRequest
- ipv6.TestLinkAddressRequest
PiperOrigin-RevId: 338577474
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PiperOrigin-RevId: 338517024
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Also enforce the minimum MTU for IPv4 and IPv6, and discard packets if the
minimum is not met.
PiperOrigin-RevId: 338404225
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Reported-by: syzbot+c0e175d2b10708314eb3@syzkaller.appspotmail.com
PiperOrigin-RevId: 338386575
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PiperOrigin-RevId: 338372736
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PiperOrigin-RevId: 338321125
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The python:test_subprocess enumerates all possible file descriptors and fails
by timeout if the limit is too high.
There is a know thing about docker that it sets this limit to 1M by default,
but on native linux, this limit will be between 1K to 32K.
PiperOrigin-RevId: 338197239
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When the commit description contains "commit ", it will be wrongly identified
as commit hash. This commit changes to take only lines begins with "commit "
as a fix, since the description is always indented by `git log`.
Copybara uses merge commit for external contributors, this causes that not all
commits contain a Piper ID. Adding `--first-parent` to `git log` so that it
only lists commits that contain a Piper ID.
PiperOrigin-RevId: 338183812
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PiperOrigin-RevId: 338168977
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bhaskerh@ fixed a bunch of the EADDRINUSE flakes in #3662 so we should
unexclude them.
I have also tested other flaky tests on this list and removed those that do
not flake anymore.
PiperOrigin-RevId: 338158545
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PiperOrigin-RevId: 338156438
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//pkg/tcpip/stack:stack_x_test_nogo
//pkg/tcpip/transport/raw:raw_nogo
PiperOrigin-RevId: 338153265
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PiperOrigin-RevId: 338126491
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PiperOrigin-RevId: 338072845
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Reported-by: syzbot+7406eef8247cb5a20855@syzkaller.appspotmail.com
PiperOrigin-RevId: 337974474
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Reported-by: syzbot+078580ce5dd6d607fcd8@syzkaller.appspotmail.com
Reported-by: syzbot+2096681f6891e7bf8aed@syzkaller.appspotmail.com
PiperOrigin-RevId: 337973519
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PiperOrigin-RevId: 337971497
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- Check the sticky bit in overlay.filesystem.UnlinkAt(). Fixes
StickyTest.StickyBitPermDenied.
- When configuring a VFS2 overlay in runsc, copy the lower layer's root
owner/group/mode to the upper layer's root (as in the VFS1 equivalent,
boot.addOverlay()). This makes the overlay root owned by UID/GID 65534 with
mode 0755 rather than owned by UID/GID 0 with mode 01777. Fixes
CreateTest.CreateFailsOnUnpermittedDir, which assumes that the test cannot
create files in /.
- MknodTest.UnimplementedTypesReturnError assumes that the creation of device
special files is not supported. However, while the VFS2 gofer client still
doesn't support device special files, VFS2 tmpfs does, and in the overlay
test dimension mknod() targets a tmpfs upper layer. The test initially has
all capabilities, including CAP_MKNOD, so its creation of these files
succeeds. Constrain these tests to VFS1.
- Rename overlay.nonDirectoryFD to overlay.regularFileFD and only use it for
regular files, using the original FD for pipes and device special files. This
is more consistent with Linux (which gets the original inode_operations, and
therefore file_operations, for these file types from ovl_fill_inode() =>
init_special_inode()) and fixes remaining mknod and pipe tests.
- Read/write 1KB at a time in PipeTest.Streaming, rather than 4 bytes. This
isn't strictly necessary, but it makes the test less obnoxiously slow on
ptrace.
Fixes #4407
PiperOrigin-RevId: 337971042
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PiperOrigin-RevId: 337968219
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Using the newer bazel rules necessitates a transition from proto1 to
proto2. In order to resolve the incompatibility between proto2 and
gogoproto, the cri runtimeoptions proto must be vendored.
Further, some of the semantics of bazel caching changed during the
transition. It is now necessary to:
- Ensure that :gopath depends only on pure library targets, as the
propagation of go_binary build attributes (pure, static) will
affected the generated files (though content remains the same,
there are conflicts with respect to the gopath).
- Update bazel.mk to include the possibility of binaries in the
bazel-out directory, as it will now put runsc and others there.
This required some refinements to the mechanism of extracting
paths, since some the existing regex resulted in false positives.
- Change nogo rules to prevent escape generation on binary targets.
For some reason, the newer version of bazel attempted to run the
nogo analysis on the binary targets, which fails due to the fact
that objdump does not work on the final binary. This must be due
to a change in the semantics of aspects in bazel3.
PiperOrigin-RevId: 337958324
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There were a few problems with cgroups:
- cleanup loop what breaking too early
- parse of /proc/[pid]/cgroups was skipping "name=systemd"
because "name=" was not being removed from name.
- When no limits are specified, fillFromAncestor was not being
called, causing a failure to set cpuset.mems
Updates #4536
PiperOrigin-RevId: 337947356
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PiperOrigin-RevId: 337919424
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Reported-by: syzbot+0268cc591c0f517a1de0@syzkaller.appspotmail.com
PiperOrigin-RevId: 337901664
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This change makes the following changes:
- Unlocks MemoryFile.mu while calling mincore (checkCommitted) because mincore
can take a really long time. Accordingly looks up the segment in the tree
tree again and handles changes to the segment.
- MemoryFile.UpdateUsage() can now only be called at frequency at most 100Hz.
100 Hz = linux.CLOCKS_PER_SEC.
Co-authored-by: Jamie Liu <jamieliu@google.com>
PiperOrigin-RevId: 337865250
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Consistent with the linux approach, we will produce a sigill to handle
el0_undef.
After applying this patch, exec_binary_test_runsc_kvm will be passed on
Arm64.
Signed-off-by: Bin Lu <bin.lu@arm.com>
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PiperOrigin-RevId: 337581114
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ualarm(2) is obsolete. Move IntervalTimer into a test util, where it can be
used by flock tests.
These tests were flaky with TSAN, probably because it slowed the tests down
enough that the alarm was expiring before flock() was called. Use an interval
timer so that even if we miss the first alarm (or more), flock() is still
guaranteed to be interrupted.
PiperOrigin-RevId: 337578751
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Before this change, if a link header was included in an incoming packet
that is forwarded, the packet that gets sent out will take the original
packet and add a link header to it while keeping the old link header.
This would make the sent packet look like:
OUTGOING LINK HDR | INCOMING LINK HDR | NETWORK HDR | ...
Obviously this is incorrect as we should drop the incoming link header
and only include the outgoing link header. This change fixes this bug.
Test: integration_test.TestForwarding
PiperOrigin-RevId: 337571447
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The IPv4 header checksum has not been checked, at least in recent times,
so add code to do so. Fix all the tests that fail because they never
needed to set the checksum.
Fixes #4484
PiperOrigin-RevId: 337556243
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Currently, fragmentation can only occur during WritePacket(). This enables
it for WritePackets() and WriteIncludedHeaderPacket() as well.
IPv4 unit tests were refactored to be consistent with the IPv6 unit tests.
This removes the extraHeaderReserveLength field and the related
"prependable bytes" unit tests (for both IPv4 and IPv6) because it was only
testing a panic condition when the value was too low.
Fixes #3796
PiperOrigin-RevId: 337550061
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PiperOrigin-RevId: 337544656
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PiperOrigin-RevId: 337544107
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Allow writing an IPv6 packet where the IPv6 header is a provided by
the user.
* Introduce an error to let callers know a header is malformed.
We previously useed tcpip.ErrInvalidOptionValue but that did not seem
appropriate for generic malformed header errors.
* Populate network header in WriteHeaderIncludedPacket
IPv4's implementation of WriteHeaderIncludedPacket did not previously
populate the packet buffer's network header. This change fixes that.
Fixes #4527
Test: ip_test.TestWriteHeaderIncludedPacket
PiperOrigin-RevId: 337534548
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PiperOrigin-RevId: 337515664
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Reported-by: syzbot+5466463b7604c2902875@syzkaller.appspotmail.com
PiperOrigin-RevId: 337451896
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In case setting up network fails, log a warning and fallback to internal
network.
Closes #4498
PiperOrigin-RevId: 337442632
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PiperOrigin-RevId: 337415009
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By exposing an ALL_TESTS list in defs.bzl we can make sure all packetimpact
users get to agree on the list of all tests. A defect in this approach is that
we have to keep a list of packetimpact_testbench rules in the BUILD file. An
helper validate_all_tests has been added to help keep BUILD and .bzl files in
sync.
PiperOrigin-RevId: 337411839
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RFC 4861 section 4.4 comments the Target link-layer address option is sometimes
optional in a Neighbor Advertisement packet:
"When responding to a unicast Neighbor Solicitation this option SHOULD be
included."
Tests:
pkg/tcpip/stack:stack_test
- TestEntryStaleToReachableWhenSolicitedConfirmationWithoutAddress
- TestEntryDelayToReachableWhenSolicitedConfirmationWithoutAddress
- TestEntryProbeToReachableWhenSolicitedConfirmationWithoutAddress
pkg/tcpip/network/ipv6:ipv6_test
- TestCallsToNeighborCache
PiperOrigin-RevId: 337396493
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PiperOrigin-RevId: 337384146
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Test helpers should be used for test setup/teardown, not actual
testing. Use cmp.Diff instead of bytes.Equal to improve readability.
PiperOrigin-RevId: 337323242
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Signed-off-by: Min Le <lemin.lm@antgroup.com>
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This change also brings back the stack.Route.ResolveWith method so that
we can immediately resolve a route when sending an NA in response to a
a NS with a source link layer address option.
Test: ipv6_test.TestNeighorSolicitationResponse
PiperOrigin-RevId: 337185461
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Control messages should be released on Read (which ignores the control message)
or zero-byte Send. Otherwise, open fds sent through the control messages will
be leaked.
PiperOrigin-RevId: 337110774
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All shm segments in an IPC namespace should be released once that namespace is
destroyed. Add reference counting to IPCNamespace so that once the last task
with a reference on it exits, we can trigger a destructor that will clean up
all shm segments that have not been explicitly freed by the application.
PiperOrigin-RevId: 337032977
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Currently strace+debug is always enabled as the setting from
the upper layer isn't passed to _syscall_test(). And it will
negatively affect the performance tests. This patch fixes this
issue.
The "debug" argument of _syscall_test() is also made mandatory
to prevent this happening again.
//test/perf:getpid_benchmark_runsc_kvm
-----------------------------------------------------
Benchmark Time CPU Iterations
-----------------------------------------------------
Before:
BM_Getpid 28119 ns 28157 ns 25926
After:
BM_Getpid 947 ns 939 ns 777778
Fixes #4509
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
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- Formatting on the most recent blog post
- Add a link to faq from containerd docs
- Fix code in FAQ
PiperOrigin-RevId: 337001738
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PiperOrigin-RevId: 336976081
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