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Fix memory leak caused by requiring component.
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@ -14,12 +14,13 @@ import (
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// newFakeDNSSniffer Creates a Fake DNS metadata sniffer
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func newFakeDNSSniffer(ctx context.Context) (protocolSnifferWithMetadata, error) {
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var fakeDNSEngine dns.FakeDNSEngine
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err := core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) {
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fakeDNSEngine = fdns
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})
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if err != nil {
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return protocolSnifferWithMetadata{}, err
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{
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fakeDNSEngineFeat := core.MustFromContext(ctx).GetFeature(fakeDNSEngine)
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if fakeDNSEngineFeat != nil {
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fakeDNSEngine = fakeDNSEngineFeat.(dns.FakeDNSEngine)
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}
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}
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if fakeDNSEngine == nil {
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errNotInit := newError("FakeDNSEngine is not initialized, but such a sniffer is used").AtError()
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return protocolSnifferWithMetadata{}, errNotInit
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