Bug 146399 - AX: iOS: Crash at accessibilityObjectForMainFramePlugin()
Summary: AX: iOS: Crash at accessibilityObjectForMainFramePlugin()
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Accessibility (show other bugs)
Version: 528+ (Nightly build)
Hardware: All All
: P2 Normal
Assignee: chris fleizach
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2015-06-28 15:15 PDT by chris fleizach
Modified: 2015-06-28 22:06 PDT (History)
6 users (show)

See Also:

Attachments
patch (1.49 KB, patch)
2015-06-28 15:16 PDT, chris fleizach 		no flags Details | Formatted Diff | Diff
patch (1.55 KB, patch)
2015-06-28 16:07 PDT, chris fleizach 		no flags Details | Formatted Diff | Diff
Show Obsolete (1) View All Add an attachment (proposed patch, testcase, etc.)

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Description chris fleizach 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>
Comment 1 chris fleizach 2015-06-28 15:16:54 PDT 
Created attachment 255730 [details]
patch
Comment 2 chris fleizach 2015-06-28 16:07:05 PDT 
Created attachment 255731 [details]
patch
Comment 3 WebKit Commit Bot 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>
Comment 4 WebKit Commit Bot 2015-06-28 22:06:36 PDT 
All reviewed patches have been landed.  Closing bug.