[Webkit-unassigned] [Bug 220630] New: Crash from CompositeEditCommand::moveParagraphs() being passed null end

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 14 12:03:32 PST 2021


https://bugs.webkit.org/show_bug.cgi?id=220630

            Bug ID: 220630
           Summary: Crash from CompositeEditCommand::moveParagraphs()
                    being passed null end
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: HTML Editing
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: julian_a_gonzalez at apple.com
                CC: rniwa at webkit.org, wenson_hsieh at apple.com

frame #0: WebCore`WTF::Optional<WebCore::SimpleRange>::operator*() &&+46
frame #1: WebCore`WebCore::CompositeEditCommand::moveParagraphs(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&, WebCore::VisiblePosition const&, bool, bool)+2041
frame #2: WebCore`WebCore::InsertListCommand::unlistifyParagraph(WebCore::VisiblePosition const&, WebCore::HTMLElement*, WebCore::Node*)+2703
frame #3: WebCore`WebCore::InsertListCommand::doApplyForSingleParagraph(bool, WebCore::HTMLQualifiedName const&, WebCore::SimpleRange&)+3029
frame #4: WebCore`WebCore::InsertListCommand::doApply()+3303
frame #5: WebCore`WebCore::CompositeEditCommand::applyCommandToComposite(WTF::Ref<WebCore::EditCommand, WTF::RawPtrTraits<WebCore::EditCommand> >&&)+107
frame #6: WebCore`WebCore::IndentOutdentCommand::outdentParagraph()+860
frame #7: WebCore`WebCore::IndentOutdentCommand::outdentRegion(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&)+1386
frame #8: WebCore`WebCore::IndentOutdentCommand::formatSelection(WebCore::VisiblePosition const&, WebCore::VisiblePosition const&)+48
frame #9: WebCore`WebCore::ApplyBlockElementCommand::doApply()+1114
frame #10: WebCore`WebCore::CompositeEditCommand::apply()+535
frame #11: WebCore`WebCore::executeOutdent(WebCore::Frame&, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&)+204

<rdar://problem/72223506>

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