[Webkit-unassigned] [Bug 77213] New: NULL ptr in WebCore::RemoveCSSPropertyCommand::doApply

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77213

           Summary: NULL ptr in WebCore::RemoveCSSPropertyCommand::doApply
           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=15995603

Uploader: skylined at chromium.org

Crash Type: UNKNOWN
Crash Address: 0x000000000000
Crash State:
  - crash stack -
  WebCore::RemoveCSSPropertyCommand::doApply
  WebCore::EditCommandComposition::reapply
  WebKit::EditorClientImpl::redo

Regressed: https://cluster-fuzz.appspot.com/revisions?range=115632:115640

Minimized Testcase (0.61 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95KgegmB-Vv_O2KUmhDyR7V_SxmKF5mX4dShselJcdKyLW4_3NYJK5xhvwIA4F8zPLo3TgrCEm6Kwa5t1kGAe9OcHnT0ssM0vL5MUi8BBpBg9HVNHJjNtgxRZ_PMWhIrJYRajGYWO9fZYD_EqDl2scLGhFc4w

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