Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 5397a7b48c6861b1ec5f655de6975dd56e11ebc5
https://github.com/WebKit/WebKit/commit/5397a7b48c6861b1ec5f655de6975dd56e11ebc5
Author: Georges Basile Stavracas Neto <feane...@igalia.com>
Date: 2024-10-17 (Thu, 17 Oct 2024)
Changed paths:
M Source/WebCore/accessibility/atspi/AccessibilityObjectTextAtspi.cpp
Log Message:
-----------
AX: [GTK]: Fix crash in AccessibilityObjectAtspi::textAttributes
https://bugs.webkit.org/show_bug.cgi?id=281492
Reviewed by Carlos Garcia Campos.
In the AccessibilityObjectAtspi::textAttributes() method, the
accessibilityTextAttributes() function is called for various AXObjects.
These objects are retrived by querying the AXObjectCache of the
document.
However, the cache can legitimately return nullptr when the AXObject is
not cached. The AccessibilityObjectAtspi::textAttributes() method did
not check for nullptr, and the accessibilityTextAttributes() function
is not nullptr safe.
This crashes.
Make AccessibilityObjectAtspi::textAttributes() check if the AXObject
is a nullptr before passing it down to accessibilityTextAttributes().
* Source/WebCore/accessibility/atspi/AccessibilityObjectTextAtspi.cpp:
(WebCore::AccessibilityObjectAtspi::textAttributes const):
Canonical link: https://commits.webkit.org/285325@main
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