Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: cb638e335cee94194ed63ef497f1917166ee275c
https://github.com/WebKit/WebKit/commit/cb638e335cee94194ed63ef497f1917166ee275c
Author: Claudio Saavedra <[email protected]>
Date: 2026-06-15 (Mon, 15 Jun 2026)
Changed paths:
A
LayoutTests/accessibility/gtk/text-attribute-run-offsets-for-inline-elements-expected.txt
A
LayoutTests/accessibility/gtk/text-attribute-run-offsets-for-inline-elements.html
M Source/WebCore/accessibility/atspi/AccessibilityObjectTextAtspi.cpp
Log Message:
-----------
Reliable crash triggered by
WebCore::AccessibilityObjectAtspi::textAttributesWithUTF88888888Offset
https://bugs.webkit.org/show_bug.cgi?id=317078
Reviewed by Carlos Garcia Campos.
textAttributes() maps an offset to a node via visiblePositionForIndex(), whose
canonical position can resolve outside the object for inline content not at the
start of its container; the run-boundary walk then returns out-of-range offsets,
crashing (CrashOnOverflow) when the text is a single object replacement
character.
Keep the resolved node inside the object by falling back to the downstream
position.
*
LayoutTests/accessibility/gtk/text-attribute-run-offsets-for-inline-elements-expected.txt:
Added.
*
LayoutTests/accessibility/gtk/text-attribute-run-offsets-for-inline-elements.html:
Added.
* Source/WebCore/accessibility/atspi/AccessibilityObjectTextAtspi.cpp:
(WebCore::AccessibilityObjectAtspi::textAttributes const):
Canonical link: https://commits.webkit.org/315208@main
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