[Webkit-unassigned] [Bug 262276] New: ASSERTION FAILED: availableWidth >= 0 /app/webkit/Source/WebCore/layout/formattingContexts/inline/text/TextUtil.cpp(228)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=262276

            Bug ID: 262276
           Summary: ASSERTION FAILED: availableWidth >= 0
                    /app/webkit/Source/WebCore/layout/formattingContexts/i
                    nline/text/TextUtil.cpp(228)
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: 1319794503 at qq.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 467949

  --> https://bugs.webkit.org/attachment.cgi?id=467949&action=review

testcase to trigger the crash

ASSERTION FAILED: availableWidth >= 0
/app/webkit/Source/WebCore/layout/formattingContexts/inline/text/TextUtil.cpp(228) : static WebCore::Layout::TextUtil::WordBreakLeft WebCore::Layout::TextUtil::breakWord(const WebCore::Layout::InlineTextBox&, size_t, size_t, WebCore::Layout::InlineLayoutUnit, WebCore::Layout::InlineLayoutUnit, WebCore::Layout::InlineLayoutUnit, const WebCore::FontCascade&)

The minimized testcase will be uploaded as soon as possible.

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