[Webkit-unassigned] [Bug 171247] New: AX: Crash at WebCore::AXObjectCache::characterOffsetForIndex(int, WebCore::AccessibilityObject const*) + 703

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Apr 24 13:41:23 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=171247

            Bug ID: 171247
           Summary: AX: Crash at
                    WebCore::AXObjectCache::characterOffsetForIndex(int,
                    WebCore::AccessibilityObject const*) + 703
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: n_wang at apple.com
                CC: n_wang at apple.com, webkit-bug-importer at group.apple.com

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                   0x00007fffa0bc4a5f WebCore::AXObjectCache::characterOffsetForIndex(int, WebCore::AccessibilityObject const*) + 703
1   com.apple.WebCore                   0x00007fffa1b7f8c3 -[WebAccessibilityObjectWrapper accessibilityAttributeValue:forParameter:] + 6099
2   com.apple.AppKit                    0x00007fff9160fe53 ___NSAccessibilityEntryPointValueForAttributeWithParameter_block_invoke.842 + 476
3   com.apple.AppKit                    0x00007fff9160ae65 NSAccessibilityPerformEntryPointObject + 16
4   com.apple.AppKit                    0x00007fff9160c474 NSAccessibilityEntryPointValueForAttributeWithParameter + 189
5   com.apple.AppKit                    0x00007fff913cdbcf CopyParameterizedAttributeValue + 540
6   com.apple.HIServices                0x00007fff9229186d _AXXMIGCopyParameterizedAttributeValue + 327
7   com.apple.HIServices                0x00007fff9229caf7 _XCopyParameterizedAttributeValue + 636
8   com.apple.HIServices                0x00007fff92274dd9 mshMIGPerform + 212

<rdar://problem/31664234>

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