Branch: refs/heads/webkitglib/2.46
Home: https://github.com/WebKit/WebKit
Commit: ac3abe63bdc8c7ced8abfac9d714e6402529c10a
https://github.com/WebKit/WebKit/commit/ac3abe63bdc8c7ced8abfac9d714e6402529c10a
Author: Georges Basile Stavracas Neto <[email protected]>
Date: 2024-10-22 (Tue, 22 Oct 2024)
Changed paths:
M Source/WebCore/accessibility/atspi/AccessibilityObjectTextAtspi.cpp
Log Message:
-----------
Cherry-pick 285325@main (5397a7b48c68).
https://bugs.webkit.org/show_bug.cgi?id=281492
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
Canonical link: https://commits.webkit.org/282416.231@webkitglib/2.46
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