[Webkit-unassigned] [Bug 159432] New: IDBDatabase can null deref its ScriptExecutionContext inside connectionToServerLost

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=159432

            Bug ID: 159432
           Summary: IDBDatabase can null deref its ScriptExecutionContext
                    inside connectionToServerLost
    Classification: Unclassified
           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: beidson at apple.com

IDBDatabase can null deref its ScriptExecutionContext inside connectionToServerLost

If an IDBDatabase object is still live when a page navigates, then it loses its ScriptExecutionContext.

Then - if before GC happens that would delete the database object - the database process connection is dropped, this callback doesn't do the right thing.

I can make it do the right thing, but a targeted test will not be possible.

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