Recursive seek issue

[modeveci]

#1634 This crash issue unveiled a problem with recursive seek that makes a test fail.

@eocanha Please follow this ticket regarding multi-seek issue reported in #1634

[eocanha]

Also CCing @ntrrgc in case she can devote time to analyze the double seek issue before I can.

[eocanha]

A fix for this problem started by @ntrrgc and retaken by me due to task reprioritization has been submitted upstream for review as https://bugs.webkit.org/show_bug.cgi?id=320981 / WebKit/WebKit#70855.

[eocanha]

The fix has landed upstream as WebKit/WebKit@42a5b53 and has been backported to wpe-2.46 as a6152d4 and to wpe-2.38 as 2755339. Closing Issue.