Fix heap-use-after-free in ClusterCopier #5871
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… use already removed copier object.
alexey-milovidov
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Jul 4, 2019
KochetovNicolai
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abyss7
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Jul 11, 2019
…fter-free Fix heap-use-after-free in ClusterCopier (cherry picked from commit bc1e9df)
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For changelog. Remove if this is non-significant change.
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Short description (up to few sentences):
Fixed
heap-use-after-freeASan warning in ClusterCopier caused by watch which try to use already removed copier object.Detailed description (optional):
Happened because
task_description_watch_callbackcaptured this onClusterCopierand usedthis->log.ClusterCopierwas removed before zookeeper (which is held by context), so watch could use already removed object.