Bug 146399

Summary: AX: iOS: Crash at accessibilityObjectForMainFramePlugin()
Product: WebKit Reporter: chris fleizach <cfleizach>
Component: AccessibilityAssignee: chris fleizach <cfleizach>
Status: RESOLVED FIXED    
Severity: Normal CC: andersca, beidson, commit-queue, ddkilzer, sam, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Attachments:
Description Flags
patch
none
patch none

chris fleizach
Reported 2015-06-28 15:15:11 PDT
Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_INVALID_ADDRESS at 0x00000018 Triggered by Thread: 0 Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0 Crashed ↩: 0 WebKit 0x2bef7704 WebKit::WebPage::accessibilityObjectForMainFramePlugin() + 4 (memory:2644) 1 WebKit 0x2bf74a46 -[WKAccessibilityWebPageObjectBase accessibilityRootObjectWrapper] + 42 (WKAccessibilityWebPageObjectBase.mm:57) 2 Foundation 0x27ddec20 -[NSObject(NSKeyValueCoding) valueForKey:] + 220 (NSKeyValueCoding.m:380) 3 AccessibilityUtilities 0x2c4cb8ea __57-[NSObject(UIAccessibilitySafeCategory) safeValueForKey:]_block_invoke + 26 (AXSafeValue.m:288) 4 AccessibilityUtilities 0x2c4cbd24 -[NSObject(UIAccessibilitySafeCategory) _accessibilityPerformSafeValueKeyBlock:withKey:onClass:] + 84 (AXSafeValue.m:341) 5 AccessibilityUtilities 0x2c4cb5f2 -[NSObject(UIAccessibilitySafeCategory) safeValueForKey:] + 230 (AXSafeValue.m:287) 6 WebProcess 0x252d7dae -[WKAccessibilityWebPageObjectAccessibility _initializeRootIfNecessary] + 30 (WKAccessibilityWebPageObjectAccessibility.m:141) 7 WebProcess 0x252d7b6e -[WKAccessibilityWebPageObjectAccessibility accessibilityHitTest:] + 26 (WKAccessibilityWebPageObjectAccessibility.m:80) 8 WebProcess 0x252d8bae -[WKNSObjectAccessibility accessibilityHitTest:] + 234 (NSObject+AXWebProcess.m:33) 9 AXRuntime 0x2c3de9c6 _copyElementAtPositionCallback + 126 (AXSimpleRuntimeManager.m:114) 10 AXRuntime 0x2c3e53fa _AXXMIGCopyElementAtPosition + 178 (AccessibilityPriv.m:1129) <rdar://problem/19604231>
Attachments
patch (1.49 KB, patch)
2015-06-28 15:16 PDT, chris fleizach 		no flags
DetailsFormatted DiffDiff
patch (1.55 KB, patch)
2015-06-28 16:07 PDT, chris fleizach 		no flags
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
chris fleizach
Comment 1 2015-06-28 15:16:54 PDT
Created attachment 255730 [details] patch
chris fleizach
Comment 2 2015-06-28 16:07:05 PDT
Created attachment 255731 [details] patch
WebKit Commit Bot
Comment 3 2015-06-28 22:06:32 PDT
Comment on attachment 255731 [details] patch Clearing flags on attachment: 255731 Committed r186063: <http://trac.webkit.org/changeset/186063>
WebKit Commit Bot
Comment 4 2015-06-28 22:06:36 PDT
All reviewed patches have been landed. Closing bug.
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