[Webkit-unassigned] [Bug 224179] New: BidiContext caching is not thread-safe

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=224179

            Bug ID: 224179
           Summary: BidiContext caching is not thread-safe
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: clord at igalia.com
            Blocks: 183720, 186759

I'm not sure how this escaped, I thought I'd dealt with it in my branch but here we are. Debug mode crashes when using text with OffscreenCanvas because of the ref/deref thread check in BidiContext. Workers need to use uncached contexts or it needs to be thread-safe.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=183720
[Bug 183720] Complete OffscreenCanvas implementation
https://bugs.webkit.org/show_bug.cgi?id=186759
[Bug 186759] Implement text rendering on OffscreenCanvas
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