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promhttp: Correctly detect invalid metric and label names #823

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merged 1 commit into from Dec 9, 2020

Commits on Dec 9, 2020

  1. promhttp: Correctly detect invalid metric and label names

    Without this fix, the `InstrumentHandler...` middlewares get locked in
    an endless loop in case of an invalid Collector, eating all the memory.
    
    Signed-off-by: beorn7 <beorn@grafana.com>
    beorn7 committed Dec 9, 2020
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