196600 2019-04-04 07:42:38 -0700 AX: Crash under WebCore::AccessibilityRenderObject::computeAccessibilityIsIgnored() 2019-04-04 13:31:40 -0700 1 1 1 Unclassified WebKit Accessibility Other All All RESOLVED FIXED InRadar P2 Normal --- 1 cfleizach cfleizach aboxhall apinheiro commit-queue dmazzoni ews-watchlist jcraig jdiggs samuel_white webkit-bug-importer oldest_to_newest 1524218 0 cfleizach 2019-04-04 07:42:38 -0700 Crash detected during stress cycling Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000030 VM Region Info: 0x30 is not in any region. Bytes before following region: 4295655376 REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL UNUSED SPACE AT START ---> __TEXT 00000001000a8000-00000001000ac000 [ 16K] r-x/r-x SM=COW ...it.WebContent Termination Signal: Segmentation fault: 11 Termination Reason: Namespace SIGNAL, Code 0xb Terminating Process: exc handler [1346] Triggered by Thread: 0 Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0 Crashed: 0 WebCore 0x00000001c44007a4 WebCore::AccessibilityRenderObject::computeAccessibilityIsIgnored() const + 184 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/WebCore/WebCore-7607.2.2/rendering/RenderObject.h:932) 1 WebCore 0x00000001c44007a4 WebCore::AccessibilityRenderObject::computeAccessibilityIsIgnored() const + 184 (./accessibility/AccessibilityRenderObject.cpp:1197) 2 WebCore 0x00000001c43fb460 WebCore::AccessibilityObject::accessibilityIsIgnored() const + 92 (./accessibility/AccessibilityObject.cpp:3342) 3 WebCore 0x00000001c43d1274 WebCore::AXObjectCache::getOrCreate(WebCore::RenderObject*) + 784 (./accessibility/AXObjectCache.cpp:637) 4 WebCore 0x00000001c43d4110 WebCore::AXObjectCache::frameLoadingEventNotification(WebCore::Frame*, WebCore::AXObjectCache::AXLoadingEvent) + 48 (./accessibility/AXObjectCache.cpp:1352) 5 WebCore 0x00000001c4a3f8bc WebCore::FrameLoader::prepareForLoadStart() + 292 (./loader/FrameLoader.cpp:1229) 6 WebCore 0x00000001c4a55390 WTF::Function<void ()>::CallableWrapper<WebCore::FrameLoader::continueLoadAfterNavigationPolicy(WebCore::ResourceRequest const&, WebCore::FormState*, WebCore::NavigationPolicyDecision, WebCore::AllowNavigationToInvalidURL)::$_11>::call() + 52 (./loader/FrameLoader.cpp:3432) 7 WebCore 0x00000001c4a42a08 WebCore::FrameLoader::continueLoadAfterNavigationPolicy(WebCore::ResourceRequest const&, WebCore::FormState*, WebCore::NavigationPolicyDecision, WebCore::AllowNavigationToInvalidURL) + 1788 (/BuildRoot/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS12.3.Internal.sdk/usr/local/include/wtf/Function.h:56) 8 WebCore 0x00000001c4a5493c WTF::Function<void (WebCore::ResourceRequest&&, WTF::WeakPtr<WebCore::FormState>&&, WebCore::NavigationPolicyDecision)>::CallableWrapper<WebCore::FrameLoader::loadWithDocumentLoader(WebCore::DocumentLoader*, WebCore::FrameLoadType, WTF::RefPtr<WebCore::FormState, WTF::DumbPtrTraits<WebCore::FormState> >&&, WebCore::AllowNavigationToInvalidURL, WebCore::ShouldTreatAsContinuingLoad, WTF::CompletionHandler<void ()>&&)::$_8>::call(WebCore::ResourceRequest&&, WTF::WeakPtr<WebCore::FormState>&&, WebCore::NavigationPolicyDecision) + 48 (./loader/FrameLoader.cpp:1639) 1524219 1 cfleizach 2019-04-04 07:42:54 -0700 <rdar://problem/49572996> 1524220 2 366710 cfleizach 2019-04-04 07:47:41 -0700 Created attachment 366710 patch 1524392 3 366710 commit-queue 2019-04-04 13:31:39 -0700 Comment on attachment 366710 patch Clearing flags on attachment: 366710 Committed r243894: <https://trac.webkit.org/changeset/243894> 1524393 4 commit-queue 2019-04-04 13:31:40 -0700 All reviewed patches have been landed. Closing bug. 366710 2019-04-04 07:47:41 -0700 2019-04-04 13:31:39 -0700 patch patch text/plain 2118 cfleizach SW5kZXg6IFNvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvV2Vi Q29yZS9DaGFuZ2VMb2cJKHJldmlzaW9uIDI0Mzg2OCkKKysrIFNvdXJjZS9XZWJDb3JlL0NoYW5n ZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE5IEBACisyMDE5LTA0LTA0ICBDaHJpcyBG bGVpemFjaCAgPGNmbGVpemFjaEBhcHBsZS5jb20+CisKKyAgICAgICAgQVg6IENyYXNoIHVuZGVy IFdlYkNvcmU6OkFjY2Vzc2liaWxpdHlSZW5kZXJPYmplY3Q6OmNvbXB1dGVBY2Nlc3NpYmlsaXR5 SXNJZ25vcmVkKCkKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dp P2lkPTE5NjYwMAorICAgICAgICA8cmRhcjovL3Byb2JsZW0vNDk1NzI5OTY+CisKKyAgICAgICAg UmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgQXVkaXQgQVggY29kZSB0byBu b3QgZGVyZWZlcmVuY2UgcmVuZGVyZXIgYmVmb3JlIGNoZWNraW5nIGlmIGl0J3MgbnVsbC4KKyAg ICAgICAgTm90IGNsZWFyIGhvdyB0byByZXByb2R1Y2UgYXQgdGhpcyB0aW1lLgorCisgICAgICAg ICogYWNjZXNzaWJpbGl0eS9BY2Nlc3NpYmlsaXR5UmVuZGVyT2JqZWN0LmNwcDoKKyAgICAgICAg KFdlYkNvcmU6OndlYkFyZWFJc1ByZXNlbnRhdGlvbmFsKToKKyAgICAgICAgKFdlYkNvcmU6OkFj Y2Vzc2liaWxpdHlSZW5kZXJPYmplY3Q6OmxheW91dENvdW50IGNvbnN0KToKKyAgICAgICAgKFdl YkNvcmU6OkFjY2Vzc2liaWxpdHlSZW5kZXJPYmplY3Q6OndpZGdldCBjb25zdCk6CisKIDIwMTkt MDQtMDQgIEFudG9pbmUgUXVpbnQgIDxncmFvdXRzQGFwcGxlLmNvbT4KIAogICAgICAgICBbV2Vi IEFuaW1hdGlvbnNdIEpTIHdyYXBwZXIgbWF5IGJlIGRlbGV0ZWQgd2hpbGUgYW5pbWF0aW9uIGlz IHlldCB0byBkaXNwYXRjaCBpdHMgZmluaXNoIGV2ZW50CkluZGV4OiBTb3VyY2UvV2ViQ29yZS9h Y2Nlc3NpYmlsaXR5L0FjY2Vzc2liaWxpdHlSZW5kZXJPYmplY3QuY3BwCj09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0t IFNvdXJjZS9XZWJDb3JlL2FjY2Vzc2liaWxpdHkvQWNjZXNzaWJpbGl0eVJlbmRlck9iamVjdC5j cHAJKHJldmlzaW9uIDI0Mzc4MSkKKysrIFNvdXJjZS9XZWJDb3JlL2FjY2Vzc2liaWxpdHkvQWNj ZXNzaWJpbGl0eVJlbmRlck9iamVjdC5jcHAJKHdvcmtpbmcgY29weSkKQEAgLTExNTYsNyArMTE1 Niw3IEBACiAgICAgCiBzdGF0aWMgYm9vbCB3ZWJBcmVhSXNQcmVzZW50YXRpb25hbChSZW5kZXJP YmplY3QqIHJlbmRlcmVyKQogewotICAgIGlmICghaXM8UmVuZGVyVmlldz4oKnJlbmRlcmVyKSkK KyAgICBpZiAoIXJlbmRlcmVyIHx8ICFpczxSZW5kZXJWaWV3PigqcmVuZGVyZXIpKQogICAgICAg ICByZXR1cm4gZmFsc2U7CiAgICAgCiAgICAgaWYgKGF1dG8gb3duZXJFbGVtZW50ID0gcmVuZGVy ZXItPmRvY3VtZW50KCkub3duZXJFbGVtZW50KCkpCkBAIC0xNDQ1LDcgKzE0NDUsNyBAQAogICAg IAogaW50IEFjY2Vzc2liaWxpdHlSZW5kZXJPYmplY3Q6OmxheW91dENvdW50KCkgY29uc3QKIHsK LSAgICBpZiAoIWlzPFJlbmRlclZpZXc+KCptX3JlbmRlcmVyKSkKKyAgICBpZiAoIW1fcmVuZGVy ZXIgfHwgIWlzPFJlbmRlclZpZXc+KCptX3JlbmRlcmVyKSkKICAgICAgICAgcmV0dXJuIDA7CiAg ICAgcmV0dXJuIGRvd25jYXN0PFJlbmRlclZpZXc+KCptX3JlbmRlcmVyKS5mcmFtZVZpZXcoKS5s YXlvdXRDb250ZXh0KCkubGF5b3V0Q291bnQoKTsKIH0KQEAgLTE4MTYsNyArMTgxNiw3IEBACiAK IFdpZGdldCogQWNjZXNzaWJpbGl0eVJlbmRlck9iamVjdDo6d2lkZ2V0KCkgY29uc3QKIHsKLSAg ICBpZiAoIWlzPFJlbmRlcldpZGdldD4oKm1fcmVuZGVyZXIpKQorICAgIGlmICghbV9yZW5kZXJl ciB8fCAhaXM8UmVuZGVyV2lkZ2V0PigqbV9yZW5kZXJlcikpCiAgICAgICAgIHJldHVybiBudWxs cHRyOwogICAgIHJldHVybiBkb3duY2FzdDxSZW5kZXJXaWRnZXQ+KCptX3JlbmRlcmVyKS53aWRn ZXQoKTsKIH0K