[Webkit-unassigned] [Bug 172434] New: Crash when IndexedDB's getAll is used inside a Web Worker

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172434

            Bug ID: 172434
           Summary: Crash when IndexedDB's getAll is used inside a Web
                    Worker
           Product: WebKit
           Version: Safari 10
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jdscheff at gmail.com

When using IndexedDB's getAll function inside a Web Worker, Safari crashes. It works outside of a web worker.

Here's some example code:

    const errorHandler = function (event) {
      console.error(event.target.error);
    }

    console.log('Deleting database...');
    var deleteRequest = indexedDB.deleteDatabase('test');
    deleteRequest.onerror = deleteRequest.onblocked = deleteRequest.onsuccess = function () {
      console.log('Opening database...');
      var openRequest = indexedDB.open('test');
      openRequest.onerror = errorHandler;
      openRequest.onupgradeneeded = function () {
        var db = openRequest.result;
        db.createObjectStore('test', {keyPath: 'a'});
      }
      openRequest.onsuccess = function (event) {
        var db = event.target.result;

        var tx = db.transaction('test', 'readwrite');
        tx.onerror = errorHandler;
        tx.onabort = errorHandler;
        tx.oncomplete = function () {
          console.log('All done!');
        };

        var getAllRequest = tx.objectStore('test').getAll();
        getAllRequest.onerror = errorHandler;
        getAllRequest.onsuccess = function () {
          console.log('Success!');
        };
      };
    };

Running that code outside of a Web Worker is no problem: http://dumbmatter.com/safari-getall-worker-bug/

But inside a Web Worker, it will crash Safari (but not Firefox or Chrome): http://dumbmatter.com/safari-getall-worker-bug/worker.html

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