OSV-2020-388 Stack-use-after-return in bool OT::Coverage::serialize<hb_map_iter_t<hb_map_iter_t<hb_filter_iter_t<OT::Co

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14786 Crash type: Stack-use-after-return READ 4 Crash state: bool OT::Coverage::serializehbmapiterthbmapiterthbfilteritertOT::Co bool OT::SingleSubstFormat1::serializehbmapiterthbmapiterthbfilterite bool...