146399 2015-06-28 15:15:11 -0700 AX: iOS: Crash at accessibilityObjectForMainFramePlugin() 2015-06-28 22:06:36 -0700 1 1 1 Unclassified WebKit Accessibility 528+ (Nightly build) All All RESOLVED FIXED InRadar P2 Normal --- 1 cfleizach cfleizach andersca beidson commit-queue ddkilzer sam webkit-bug-importer oldest_to_newest 1105306 0 cfleizach 2015-06-28 15:15:11 -0700 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> 1105307 1 255730 cfleizach 2015-06-28 15:16:54 -0700 Created attachment 255730 patch 1105313 2 255731 cfleizach 2015-06-28 16:07:05 -0700 Created attachment 255731 patch 1105339 3 255731 commit-queue 2015-06-28 22:06:32 -0700 Comment on attachment 255731 patch Clearing flags on attachment: 255731 Committed r186063: <http://trac.webkit.org/changeset/186063> 1105340 4 commit-queue 2015-06-28 22:06:36 -0700 All reviewed patches have been landed. Closing bug. 255730 2015-06-28 15:16:54 -0700 2015-06-28 16:07:05 -0700 patch patch text/plain 1530 cfleizach SW5kZXg6IFNvdXJjZS9XZWJLaXQyL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvV2Vi S2l0Mi9DaGFuZ2VMb2cJKHJldmlzaW9uIDE4NjA1MykKKysrIFNvdXJjZS9XZWJLaXQyL0NoYW5n ZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE1IEBACisyMDE1LTA2LTI4ICBDaHJpcyBG bGVpemFjaCAgPGNmbGVpemFjaEBhcHBsZS5jb20+CisKKyAgICAgICAgQVg6IGlPUzogQ3Jhc2gg YXQgYWNjZXNzaWJpbGl0eU9iamVjdEZvck1haW5GcmFtZVBsdWdpbigpCisgICAgICAgIGh0dHBz Oi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0xNDYzOTkKKworICAgICAgICBSZXZp ZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBDb3VsZCBub3QgcmVwcm9kdWNlIGlz c3VlLCBidXQgdGhlIGludmFsaWQgYWRkcmVzcyBzZWVtcyB0byBpbmRpY2F0ZSB0aGlzIGlzIGEg bnVsbHB0ciBhY2Nlc3MgKG1haW5GcmFtZSgpIGNhbiBiZSBudWxsKS4KKworICAgICAgICAqIFdl YlByb2Nlc3MvV2ViUGFnZS9pb3MvV2ViUGFnZUlPUy5tbToKKyAgICAgICAgKFdlYktpdDo6V2Vi UGFnZTo6YWNjZXNzaWJpbGl0eU9iamVjdEZvck1haW5GcmFtZVBsdWdpbik6CisKIDIwMTUtMDYt MjggIERhbiBCZXJuc3RlaW4gIDxtaXR6QGFwcGxlLmNvbT4KIAogICAgICAgICBUcmllZCB0byBm aXggdGhlIEVGTCBidWlkIGFmdGVyIHIxODYwNDYuCkluZGV4OiBTb3VyY2UvV2ViS2l0Mi9XZWJQ cm9jZXNzL1dlYlBhZ2UvaW9zL1dlYlBhZ2VJT1MubW0KPT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291cmNlL1dl YktpdDIvV2ViUHJvY2Vzcy9XZWJQYWdlL2lvcy9XZWJQYWdlSU9TLm1tCShyZXZpc2lvbiAxODU2 MDgpCisrKyBTb3VyY2UvV2ViS2l0Mi9XZWJQcm9jZXNzL1dlYlBhZ2UvaW9zL1dlYlBhZ2VJT1Mu bW0JKHdvcmtpbmcgY29weSkKQEAgLTQyNSwxMyArNDI1LDEzIEBACiAKIE5TT2JqZWN0ICpXZWJQ YWdlOjphY2Nlc3NpYmlsaXR5T2JqZWN0Rm9yTWFpbkZyYW1lUGx1Z2luKCkKIHsKLSAgICBpZiAo IW1fcGFnZSkKLSAgICAgICAgcmV0dXJuIDA7CisgICAgaWYgKCFtX3BhZ2UgfHwgIW1fcGFnZS0+ bWFpbkZyYW1lKCkpCisgICAgICAgIHJldHVybiBuaWw7CiAgICAgCiAgICAgaWYgKFBsdWdpblZp ZXcqIHBsdWdpblZpZXcgPSBwbHVnaW5WaWV3Rm9yRnJhbWUoJm1fcGFnZS0+bWFpbkZyYW1lKCkp KQogICAgICAgICByZXR1cm4gcGx1Z2luVmlldy0+YWNjZXNzaWJpbGl0eU9iamVjdCgpOwogICAg IAotICAgIHJldHVybiAwOworICAgIHJldHVybiBuaWw7CiB9CiAgICAgCiB2b2lkIFdlYlBhZ2U6 OnJlZ2lzdGVyVUlQcm9jZXNzQWNjZXNzaWJpbGl0eVRva2Vucyhjb25zdCBJUEM6OkRhdGFSZWZl cmVuY2UmIGVsZW1lbnRUb2tlbiwgY29uc3QgSVBDOjpEYXRhUmVmZXJlbmNlJikK 255731 2015-06-28 16:07:05 -0700 2015-06-28 22:06:32 -0700 patch patch text/plain 1590 cfleizach SW5kZXg6IFNvdXJjZS9XZWJLaXQyL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvV2Vi S2l0Mi9DaGFuZ2VMb2cJKHJldmlzaW9uIDE4NjA1MykKKysrIFNvdXJjZS9XZWJLaXQyL0NoYW5n ZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE2IEBACisyMDE1LTA2LTI4ICBDaHJpcyBG bGVpemFjaCAgPGNmbGVpemFjaEBhcHBsZS5jb20+CisKKyAgICAgICAgQVg6IGlPUzogQ3Jhc2gg YXQgYWNjZXNzaWJpbGl0eU9iamVjdEZvck1haW5GcmFtZVBsdWdpbigpCisgICAgICAgIGh0dHBz Oi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0xNDYzOTkKKworICAgICAgICBSZXZp ZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBDb3VsZCBub3QgcmVwcm9kdWNlIGlz c3VlLCBidXQgdGhlIGludmFsaWQgYWRkcmVzcyBzZWVtcyB0byBpbmRpY2F0ZSB0aGlzIGlzIGEg bnVsbHB0ciBhY2Nlc3MgaXMgaGFwcGVuaW5nIHdoZW4gd2UgdHJ5IHRvIGdldCB0aGUgcGx1Z2lu IG9mIHRoZSBtX3BhZ2UgdmFyaWFibGUgd2hlbgorICAgICAgICBpdCBoYXMgbm90IGJlZW4gaW5p dGlhbGl6ZWQuCisKKyAgICAgICAgKiBXZWJQcm9jZXNzL1dlYlBhZ2UvaW9zL1dlYlBhZ2VJT1Mu bW06CisgICAgICAgIChXZWJLaXQ6OldlYlBhZ2U6OmFjY2Vzc2liaWxpdHlPYmplY3RGb3JNYWlu RnJhbWVQbHVnaW4pOgorCiAyMDE1LTA2LTI4ICBEYW4gQmVybnN0ZWluICA8bWl0ekBhcHBsZS5j b20+CiAKICAgICAgICAgVHJpZWQgdG8gZml4IHRoZSBFRkwgYnVpZCBhZnRlciByMTg2MDQ2LgpJ bmRleDogU291cmNlL1dlYktpdDIvV2ViUHJvY2Vzcy9XZWJQYWdlL21hYy9XS0FjY2Vzc2liaWxp dHlXZWJQYWdlT2JqZWN0QmFzZS5tbQo9PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvV2ViS2l0Mi9XZWJQ cm9jZXNzL1dlYlBhZ2UvbWFjL1dLQWNjZXNzaWJpbGl0eVdlYlBhZ2VPYmplY3RCYXNlLm1tCShy ZXZpc2lvbiAxODU2MDgpCisrKyBTb3VyY2UvV2ViS2l0Mi9XZWJQcm9jZXNzL1dlYlBhZ2UvbWFj L1dLQWNjZXNzaWJpbGl0eVdlYlBhZ2VPYmplY3RCYXNlLm1tCSh3b3JraW5nIGNvcHkpCkBAIC01 NCw2ICs1NCw5IEBACiAgICAgaWYgKCFXZWJDb3JlOjpBWE9iamVjdENhY2hlOjphY2Nlc3NpYmls aXR5RW5hYmxlZCgpKQogICAgICAgICBXZWJDb3JlOjpBWE9iamVjdENhY2hlOjplbmFibGVBY2Nl c3NpYmlsaXR5KCk7CiAKKyAgICBpZiAoIW1fcGFnZSkKKyAgICAgICAgcmV0dXJuIG5pbDsKKyAg ICAKICAgICBOU09iamVjdCogbWFpbkZyYW1lUGx1Z2luQWNjZXNzaWJpbGl0eU9iamVjdFdyYXBw ZXIgPSBtX3BhZ2UtPmFjY2Vzc2liaWxpdHlPYmplY3RGb3JNYWluRnJhbWVQbHVnaW4oKTsKICAg ICBpZiAobWFpbkZyYW1lUGx1Z2luQWNjZXNzaWJpbGl0eU9iamVjdFdyYXBwZXIpCiAgICAgICAg IHJldHVybiBtYWluRnJhbWVQbHVnaW5BY2Nlc3NpYmlsaXR5T2JqZWN0V3JhcHBlcjsK