Title: [295558] trunk/Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperBase.mm
- Revision
- 295558
- Author
- [email protected]
- Date
- 2022-06-15 07:51:31 -0700 (Wed, 15 Jun 2022)
Log Message
AX: CrashTracer: com.apple.WebKit.WebContent at com.apple.WebCore: WTF::RetainPtr<NSMutableArray> WTF::createNSArray<WTF::Vector<WTF::RefPtr<WebCore::AXCoreObject, WTF::RawPtrTraits<WebCore::AXCoreObject>, WTF::DefaultRefDerefTraits<WebC. web content
https://bugs.webkit.org/show_bug.cgi?id=241619
Reviewed by Chris Fleizach.
Check for nullptr before dereferencing the RefPtrs passed to makeNSArray. In some cases, the given AccessibilityChildrenVector may contain nullptrs.
* Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperBase.mm:
(makeNSArray):
Canonical link: https://commits.webkit.org/251563@main
Modified Paths
Diff
Modified: trunk/Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperBase.mm (295557 => 295558)
--- trunk/Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperBase.mm 2022-06-15 14:02:23 UTC (rev 295557)
+++ trunk/Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperBase.mm 2022-06-15 14:51:31 UTC (rev 295558)
@@ -262,6 +262,9 @@
NSArray *makeNSArray(const WebCore::AXCoreObject::AccessibilityChildrenVector& children)
{
return createNSArray(children, [] (const auto& child) -> id {
+ if (!child)
+ return nil;
+
auto wrapper = child->wrapper();
// We want to return the attachment view instead of the object representing the attachment,
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