Automated cherry pick of #5566 and #5583 Fix deadlock when accessing dirtyRules in fqdn controller #5579
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luolanzone
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tnqn
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Oct 16, 2023
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Signed-off-by: Dyanngg <dingyang@vmware.com>
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ruleSyncTracker.Run() can update ruleSyncTracker.dirtyRules in-place,
while ruleSyncTracker.getDirtyRules() returns the pointer of the set
which could be read by other goroutines and leads to a data race like
below:
WARNING: DATA RACE
Write at 0x00c000dd8180 by goroutine 276:
runtime.mapdelete_faststr()
/usr/local/go/src/runtime/map_faststr.go:301 +0x0
k8s.io/apimachinery/pkg/util/sets.Set[go.shape.string].Delete()
/root/go/pkg/mod/k8s.io/apimachinery@v0.26.4/pkg/util/sets/set.go:62 +0x2ae
antrea.io/antrea/pkg/agent/controller/networkpolicy.(*ruleSyncTracker).Run()
/root/antrea/pkg/agent/controller/networkpolicy/fqdn.go:570 +0x1d2
antrea.io/antrea/pkg/agent/controller/networkpolicy.(*fqdnController).runRuleSyncTracker()
/root/antrea/pkg/agent/controller/networkpolicy/fqdn.go:584 +0x4a
antrea.io/antrea/pkg/agent/controller/networkpolicy.TestSyncDirtyRules.func1.4()
/root/antrea/pkg/agent/controller/networkpolicy/fqdn_test.go:495 +0x44
Previous read at 0x00c000dd8180 by goroutine 271:
reflect.maplen()
/usr/local/go/src/runtime/map.go:1411 +0x0
reflect.Value.lenNonSlice()
/usr/local/go/src/reflect/value.go:1720 +0x324
reflect.Value.Len()
/usr/local/go/src/reflect/value.go:1709 +0x158f
reflect.deepValueEqual()
/usr/local/go/src/reflect/deepequal.go:139 +0x1571
reflect.DeepEqual()
/usr/local/go/src/reflect/deepequal.go:237 +0x38b
github.com/stretchr/testify/assert.ObjectsAreEqual()
/root/go/pkg/mod/github.com/stretchr/testify@v1.8.4/assert/assertions.go:65 +0x172
github.com/stretchr/testify/assert.Equal()
/root/go/pkg/mod/github.com/stretchr/testify@v1.8.4/assert/assertions.go:414 +0x1f7
antrea.io/antrea/pkg/agent/controller/networkpolicy.TestSyncDirtyRules.func1()
/root/antrea/pkg/agent/controller/networkpolicy/fqdn_test.go:517 +0xb6f
testing.tRunner()
/usr/local/go/src/testing/testing.go:1595 +0x238
testing.(*T).Run.func1()
/usr/local/go/src/testing/testing.go:1648 +0x44
Signed-off-by: Quan Tian <qtian@vmware.com>
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Cherry pick of #5566 and #5583 on release-1.11.
#5566: Fix deadlock when accessing dirtyRules in fqdn controller
#5583: Fix data race in FQDN ruleSyncTracker
For details on the cherry pick process, see the cherry pick requests page.