[Webkit-unassigned] [Bug 77216] New: NULL ptr in WebCore::Editor::isContinuousSpellCheckingEnabled

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77216

           Summary: NULL ptr in
                    WebCore::Editor::isContinuousSpellCheckingEnabled
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skylined at chromium.org
                CC: rniwa at webkit.org


Detailed report: https://cluster-fuzz.appspot.com/testcase?key=15995435

Uploader: skylined at chromium.org

Crash Type: UNKNOWN
Crash Address: 0x000000000640
Crash State:
  - crash stack -
  WebCore::Editor::isContinuousSpellCheckingEnabled
  WebCore::TypingCommand::markMisspellingsAfterTyping
  WebCore::TypingCommand::deleteKeyPressed

Regressed: https://cluster-fuzz.appspot.com/revisions?range=108839:108881

Minimized Testcase (2.51 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97_6CG2EXf7_BvtuY37u9sW7LsAnpGs24_teSavkXZd63UaqnEhn4dOtvwivAnbWfjelfuaA7MHdkhw_xPurz9EsNGHYTkX3ueLfLNzC-KrWozIUYOUHDOw5LnJQTjMryYUyOFSYPxgOfS8WglSoOeZ63Tdzg

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