[Webkit-unassigned] [Bug 274020] New: REGRESSION (274876 at main): [ iOS Debug ] accessibility/text-marker/text-marker-range-stale-node-crash.html is a consistent crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=274020

            Bug ID: 274020
           Summary: REGRESSION (274876 at main): [ iOS Debug ]
                    accessibility/text-marker/text-marker-range-stale-node
                    -crash.html is a consistent crash
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: j_stfleur at apple.com

Description:
accessibility/text-marker/text-marker-range-stale-node-crash.html 

Is a consistent crash on iOS debug after changes on 274876 at main

Buildbot URL:
https://build.webkit.org/#/builders/940/builds/1517

History:
https://results.webkit.org/?suite=layout-tests&test=accessibility%2Ftext-marker%2Ftext-marker-range-stale-node-crash.html&platform=ios&style=debug&recent=false

Reproducibility:
run-webkit-tests accessibility/text-marker/text-marker-range-stale-node-crash.html --child-process=1 -v --iterations 5

Diff/Image Diff/Crash Log:
Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   WebCore                                    0x34e00a734 WTFCrashWithInfo(int, char const*, char const*, int) + 132
1   WebCore                                    0x34dbe5e58 WebCore::Node::refAllowingPartiallyDestroyed() const + 208
2   WebCore                                    0x34de38738 WTF::RefDerefTraitsAllowingPartiallyDestroyed<WebCore::Node>::refIfNotNull(WebCore::Node*) + 44
3   WebCore                                    0x34de386f4 WTF::RefPtr<WebCore::Node, WTF::RawPtrTraits<WebCore::Node>, WTF::RefDerefTraitsAllowingPartiallyDestroyed<WebCore::Node>>::RefPtr(WebCore::Node*) + 36
4   WebCore                                    0x34ddd4294 WTF::RefPtr<WebCore::Node, WTF::RawPtrTraits<WebCore::Node>, WTF::RefDerefTraitsAllowingPartiallyDestroyed<WebCore::Node>>::RefPtr(WebCore::Node*) + 36
5   WebCore                                    0x34ddd4128 WebCore::AXObjectCache::characterOffsetForTextMarkerData(WebCore::TextMarkerData&) + 100
6   WebCore                                    0x34b7af8f0 -[WebAccessibilityTextMarker characterOffset] + 48
7   WebCore                                    0x34b7bf984 -[WebAccessibilityObjectWrapper rangeForTextMarkers:] + 320
8   WebCore                                    0x34b7bfd20 -[WebAccessibilityObjectWrapper textMarkerRangeForMarkers:] + 112
9   WebKitTestRunnerInjectedBundle             0x16181407c WTR::AccessibilityUIElement::textMarkerRangeForMarkers(WTR::AccessibilityTextMarker*, WTR::AccessibilityTextMarker*) + 148
10  WebKitTestRunnerInjectedBundle             0x1618728fc auto decltype(auto) WTR::callFunction<WTR::AccessibilityUIElement, WTR::AccessibilityUIElement, WTF::RefPtr<WTR::AccessibilityTextMarkerRange, WTF::RawPtrTraits<WTR::AccessibilityTextMarkerRange>, WTF::DefaultRefDerefTraits<WTR::AccessibilityTextMarkerRange>> (WTR::AccessibilityTextMarker*, WTR::AccessibilityTextMarker*), WTR::AccessibilityTextMarker*, WTR::AccessibilityTextMarker*>(OpaqueJSContext const*, WTR::AccessibilityUIElement*, WTF::RefPtr<WTR::AccessibilityTextMarkerRange, WTF::RawPtrTraits<WTR::AccessibilityTextMarkerRange>, WTF::DefaultRefDerefTraits<WTR::AccessibilityTextMarkerRange>> (WTR::AccessibilityUIElement::*)(WTR::AccessibilityTextMarker*, WTR::AccessibilityTextMarker*), WTR::AccessibilityTextMarker*, WTR::AccessibilityTextMarker*)::'lambda'(auto&&...)::operator()<WTR::AccessibilityTextMarker*, WTR::AccessibilityTextMarker*>('lambda'(auto&&...)) const + 152

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