Null-deref crash at SourceBufferPrivateAVFObjC::outputObscuredDueToInsufficientExternalProtectionChanged()
<rdar://problem/48023912>
Created attachment 361940 [details] Patch
Comment on attachment 361940 [details] Patch Clearing flags on attachment: 361940 Committed r241479: <https://trac.webkit.org/changeset/241479>
All reviewed patches have been landed. Closing bug.