Bug 271675 – AX: [WKAccessibilityWebPageObject accessibilityAttributeValue:] should retrieve several properties from the main thread.

• Status: RESOLVED
• Resolution: FIXED
• Component: Accessibility

[Andres Gonzalez]

.

[Radar WebKit Bug Importer]

<rdar://problem/125374335>

[Andres Gonzalez]

* thread #10, name = 'com.apple.accessibility.secondary', stop reason = EXC_BAD_ACCESS (code=1, address=0x165000187ff2bd4)
Note: Possible pointer authentication failure detected.
Found value that failed to authenticate at address=0x187ff2bd4.

  * frame #0: 0x0000000329ccc284 WebCore`WTFCrashWithInfo(line=217, file="/Users/ag/s/web/OpenSource/Source/WebCore/accessibility/AXObjectCache.cpp", function="static bool WebCore::AXObjectCache::accessibilityEnabled()", counter=3950) at Assertions.h:837:5
    frame #1: 0x000000032996024c WebCore`WebCore::AXObjectCache::accessibilityEnabled() at AXObjectCache.cpp:217:5
    frame #2: 0x0000000120caa4c4 WebKit`-[WKAccessibilityWebPageObject accessibilityAttributeValue:](self=0x0000000157108550, _cmd="accessibilityAttributeValue:", attribute="AXWindow") at WKAccessibilityWebPageObjectMac.mm:162:10
    frame #3: 0x000000032d081974 WebCore`-[WebAccessibilityObjectWrapper windowElement:](self=0x0000000155e32e30, _cmd="windowElement:", attributeName="AXWindow") at WebAccessibilityObjectWrapperMac.mm:1546:16
    frame #4: 0x000000032d084a74 WebCore`-[WebAccessibilityObjectWrapper accessibilityAttributeValue:](self=0x0000000155e32e30, _cmd="accessibilityAttributeValue:", attributeName="AXWindow") at WebAccessibilityObjectWrapperMac.mm:1840:16
...

[Andres Gonzalez]

Created attachment 470597 [details]
Patch

[EWS]

Committed 276686@main (1122d9ab29ce): <https://commits.webkit.org/276686@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 470597 [details].