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	fix: race condition on memory clearing
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				@ -422,13 +422,16 @@ func (p *PebbleClockStore) GetMasterClockFrame(
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		return nil, errors.Wrap(err, "get master clock frame")
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	}
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	copied := make([]byte, len(value))
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	copy(copied[:], value[:])
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	defer closer.Close()
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	frame := &protobufs.ClockFrame{}
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	frame.FrameNumber = frameNumber
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	frame.Filter = filter
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	frame.Difficulty = binary.BigEndian.Uint32(value[:4])
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	frame.Input = value[4 : len(value)-516]
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	frame.Output = value[len(value)-516:]
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	frame.Difficulty = binary.BigEndian.Uint32(copied[:4])
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	frame.Input = copied[4 : len(copied)-516]
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	frame.Output = copied[len(copied)-516:]
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	previousSelectorBytes := [516]byte{}
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	copy(previousSelectorBytes[:], frame.Input[:516])
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