The player is mishandling GstStreams, introducing invalid memory access in some cases (Shaka player dark thruths asset).
https://github.com/WebKit/WebKit/pull/373
Committed r293531 (250060@main): <https://commits.webkit.org/250060@main> Reviewed commits have been landed. Closing PR #373 and removing active labels.
<rdar://problem/92416505>