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The subsequent systrap changes will need to import memmap from
the platform package.
PiperOrigin-RevId: 323409486
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PiperOrigin-RevId: 323398518
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The bazel server was being started as the wrong user, leading to issues
where the container would suddenly exit during a build.
We can also simplify the waiting logic by starting the container in two
separate steps: those that must complete first, then the asynchronous bit.
PiperOrigin-RevId: 323391161
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PiperOrigin-RevId: 323383320
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PiperOrigin-RevId: 323381964
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Storing *testing.T on test helper structs is problematic when
subtests are used, because it is possible for nested tests to call
Fatal on parent test, which incorrect terminates the parent test.
For example
func TestOuter(t *testing.T) {
dut := NewDUT(t)
t.Run("first test", func(t *testing.T) {
dut.FallibleCall()
})
t.Run("second test", func(t *testing.T) {
dut.FallibleCall()
}
}
In the example above, assuming `FallibleCall` calls `t.Fatal` on the
`t` it holds, if `dut.FallibleCall` fails in "first test", it will
call `Fatal` on the parent `t`, quitting `TestOuter`. This is not a
behavior we want.
PiperOrigin-RevId: 323350241
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Adds profiling with `runsc debug` or pprof to dockerutil. All
targets using dockerutil should now be able to use profiling.
In addition, modifies existing benchmarks to use profiling.
PiperOrigin-RevId: 323298634
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Mark the currently passing integration/image tests for
VFS2. Bugs will be filed for remaining failing tests.
Updates #1487
PiperOrigin-RevId: 323297260
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... when it is possible.
The guitar gVisorKernel*Workflow-s runs test with the local execution_method.
In this case, blaze runs test cases locally without sandboxes. This means
that all tests run in the same network namespace. We have a few tests which
use hard-coded network ports and they can fail if one of these port will be
used by someone else or by another test cases.
PiperOrigin-RevId: 323137254
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The "dev" target had been failing. The failure was being caused due to variable
overload of "RUNTIME".
PiperOrigin-RevId: 323106040
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The travis capacity is limited, but we build and test amd64 on kokoro.
PiperOrigin-RevId: 323103934
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Copy the list of tags when passing it to _syscall_test.
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Implement WalkGetAttr() to reuse the stat that is already
needed for Walk(). In addition, cache file QID, so it
doesn't need to stat the file to compute it.
open(2) time improved by 10%:
Baseline: 6780 ns
Change: 6083 ns
Also fixed file type which was not being set in all places.
PiperOrigin-RevId: 323102560
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PiperOrigin-RevId: 323066414
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PiperOrigin-RevId: 322954792
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- All Marshal* and Unmarshal* methods now require buffers to be correctly sized
- Only the Copy{In/Out} variants can handle smaller buffers (or address spaces)
PiperOrigin-RevId: 322953881
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Updates #2923
PiperOrigin-RevId: 322953552
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PiperOrigin-RevId: 322937495
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PiperOrigin-RevId: 322928424
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- Check write permission on truncate(2). Unlike ftruncate(2),
truncate(2) fails if the user does not have write permissions
on the file.
- For gofers under InteropModeShared, check file type before
making a truncate request. We should fail early and avoid
making an rpc when possible. Furthermore, depending on the
remote host's failure may give us unexpected behavior--if the
host converts the truncate request to an ftruncate syscall on
an open fd, we will get EINVAL instead of EISDIR.
Updates #2923.
PiperOrigin-RevId: 322913569
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Fix typos.
PiperOrigin-RevId: 322913282
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Changes the API of tcpip.Clock to also provide a method for scheduling and
rescheduling work after a specified duration. This change also implements the
AfterFunc method for existing implementations of tcpip.Clock.
This is the groundwork required to mock time within tests. All references to
CancellableTimer has been replaced with the tcpip.Job interface, allowing for
custom implementations of scheduling work.
This is a BREAKING CHANGE for clients that implement their own tcpip.Clock or
use tcpip.CancellableTimer. Migration plan:
1. Add AfterFunc(d, f) to tcpip.Clock
2. Replace references of tcpip.CancellableTimer with tcpip.Job
3. Replace calls to tcpip.CancellableTimer#StopLocked with tcpip.Job#Cancel
4. Replace calls to tcpip.CancellableTimer#Reset with tcpip.Job#Schedule
5. Replace calls to tcpip.NewCancellableTimer with tcpip.NewJob.
PiperOrigin-RevId: 322906897
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For some reason these tests were broken when run via the bazel docker
container. The mechanism used was a bit crazy (self-extracting bundle),
so convert them to use straight-forward starlark rules. This has the
added advantaged that they are now independent tests.
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PiperOrigin-RevId: 322904430
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PiperOrigin-RevId: 322890087
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Like task_work in Linux, this allows us to register callbacks to be executed
before returning to userspace. This is needed for kcov support, which requires
coverage information to be up-to-date whenever we are in user mode. We will
provide coverage data through the kcov interface to enable coverage-directed
fuzzing in syzkaller.
One difference from Linux is that task work cannot queue work before the
transition to userspace that it precedes; queued work will be picked up before
the next transition.
PiperOrigin-RevId: 322889984
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