250406 2023-01-10 12:54:23 -0800 AX: crash in AXObjectCache::updateRelationsForTree. 2023-02-03 07:05:10 -0800 1 1 1 Unclassified WebKit Accessibility WebKit Nightly Build All All RESOLVED FIXED InRadar P2 Normal --- 1 andresg_22 andresg_22 aboxhall alex andresg_22 apinheiro cfleizach dmazzoni ews-watchlist jcraig jdiggs samuel_white webkit-bug-importer oldest_to_newest 1924554 0 andresg_22 2023-01-10 12:54:23 -0800 (lldb) bt * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x30) * frame #0: 0x00000002814efe34 WebCore`WebCore::Node::parentNode(this=0x0000000000000000) const at Node.h:858:12 frame #1: 0x0000000282d733dc WebCore`WebCore::AXObjectCache::updateRelationsForTree(this=0x0000000107192b10, rootNode=0x0000000000000000) at AXObjectCache.cpp:4080:5 frame #2: 0x0000000282d735ac WebCore`WebCore::AXObjectCache::updateRelationsForTree(this=0x0000000107192b10, rootNode=0x0000000132120000) at AXObjectCache.cpp:4101:13 frame #3: 0x0000000282d7334c WebCore`WebCore::AXObjectCache::updateRelationsIfNeeded(this=0x0000000107192b10) at AXObjectCache.cpp:4075:5 frame #4: 0x0000000282d741ec WebCore`WebCore::AXObjectCache::relatedObjectIDsFor(this=0x0000000107192b10, object=0x00000001070b9000, relationType=FlowsTo) at AXObjectCache.cpp:4178:5 frame #5: 0x0000000282e04f3c WebCore`WebCore::AccessibilityObject::relatedObjects(this=0x00000001070b9000, relationType=FlowsTo) const at AccessibilityObject.cpp:3877:36 frame #6: 0x0000000282e0c468 WebCore`WebCore::AXCoreObject::flowToObjects(this=0x00000001070b9000) const at AccessibilityObjectInterface.h:1045:64 frame #7: 0x0000000282e0c32c WebCore`WebCore::AccessibilityRenderObject::linkedObjects(this=0x00000001070b9000) const at AccessibilityRenderObject.cpp:1079:26 frame #8: 0x0000000282e55928 WebCore`WebCore::AXIsolatedObject::initializeProperties(this=0x00000001071ffc00, coreObject=0x000000016b8ab130, isRoot=No) at AXIsolatedObject.cpp:290:67 frame #9: 0x0000000282e50f54 WebCore`WebCore::AXIsolatedObject::AXIsolatedObject(this=0x00000001071ffc00, axObject=0x000000016b8ab130, tree=0x000000010722cbc0) at AXIsolatedObject.cpp:59:5 frame #10: 0x0000000282e5684c WebCore`WebCore::AXIsolatedObject::AXIsolatedObject(this=0x00000001071ffc00, axObject=0x000000016b8ab130, tree=0x000000010722cbc0) at AXIsolatedObject.cpp:44:1 frame #11: 0x0000000282e56894 WebCore`WebCore::AXIsolatedObject::create(object=0x000000016b8ab130, tree=0x000000010722cbc0) at AXIsolatedObject.cpp:64:26 frame #12: 0x0000000282e61f94 WebCore`WebCore::AXIsolatedTree::nodeChangeForObject(this=0x000000010722cbc0, axObject=Ref<WebCore::AXCoreObject, WTF::RawPtrTraits<WebCore::AXCoreObject> > @ 0x000000016b8ab130, attachWrapper=OnMainThread) at AXIsolatedTree.cpp:197:19 frame #13: 0x0000000282e61d40 WebCore`WebCore::AXIsolatedTree::queueRemovalsAndUnresolvedChanges(this=0x000000010722cbc0, subtreeRemovals=0x000000016b8ab220) at AXIsolatedTree.cpp:291:43 frame #14: 0x0000000282e60cb8 WebCore`WebCore::AXIsolatedTree::generateSubtree(this=0x000000010722cbc0, axObject=0x000000010722c960) at AXIsolatedTree.cpp:180:5 frame #15: 0x0000000282e60860 WebCore`WebCore::AXIsolatedTree::create(axObjectCache=0x0000000107192b10) at AXIsolatedTree.cpp:87:15 frame #16: 0x0000000282daab38 WebCore`WebCore::AXObjectCache::getOrCreateIsolatedTree(this=0x000000016b8ab5c0) const::$_9::operator()() const at AXObjectCache.cpp:851:20 frame #17: 0x0000000282daaae4 WebCore`WTF::RefPtr<WebCore::AXIsolatedTree, WTF::RawPtrTraits<WebCore::AXIsolatedTree>, WTF::DefaultRefDerefTraits<WebCore::AXIsolatedTree> > WebCore::Accessibility::retrieveValueFromMainThread<WTF::RefPtr<WebCore::AXIsolatedTree, WTF::RawPtrTraits<WebCore::AXIsolatedTree>, WTF::DefaultRefDerefTraits<WebCore::AXIsolatedTree> >, WebCore::AXObjectCache::getOrCreateIsolatedTree(this=0x000000010726aba8) const::$_9>(WebCore::AXObjectCache::getOrCreateIsolatedTree() const::$_9&&)::'lambda'()::operator()() const at AccessibilityObjectInterface.h:1621:17 frame #18: 0x0000000282daaa54 WebCore`WTF::Detail::CallableWrapper<WTF::RefPtr<WebCore::AXIsolatedTree, WTF::RawPtrTraits<WebCore::AXIsolatedTree>, WTF::DefaultRefDerefTraits<WebCore::AXIsolatedTree> > WebCore::Accessibility::retrieveValueFromMainThread<WTF::RefPtr<WebCore::AXIsolatedTree, WTF::RawPtrTraits<WebCore::AXIsolatedTree>, WTF::DefaultRefDerefTraits<WebCore::AXIsolatedTree> >, WebCore::AXObjectCache::getOrCreateIsolatedTree() const::$_9>(WebCore::AXObjectCache::getOrCreateIsolatedTree() const::$_9&&)::'lambda'(), void>::call(this=0x000000010726aba0) at Function.h:53:39 frame #19: 0x00000001396a146c JavaScriptCore`WTF::Function<void ()>::operator(this=0x000000016b8ab550)() const at Function.h:82:35 frame #20: 0x00000001376716f0 JavaScriptCore`void WTF::callOnMainAndWait<(WTF::MainStyle)0>(function=0x000000016b8ab550)>&&) at MainThread.cpp:117:9 frame #21: 0x00000001376716a4 JavaScriptCore`WTF::callOnMainThreadAndWait(function=0x000000016b8ab550)>&&) at MainThread.cpp:144:5 frame #22: 0x0000000282d5f438 WebCore`WTF::RefPtr<WebCore::AXIsolatedTree, WTF::RawPtrTraits<WebCore::AXIsolatedTree>, WTF::DefaultRefDerefTraits<WebCore::AXIsolatedTree> > WebCore::Accessibility::retrieveValueFromMainThread<WTF::RefPtr<WebCore::AXIsolatedTree, WTF::RawPtrTraits<WebCore::AXIsolatedTree>, WTF::DefaultRefDerefTraits<WebCore::AXIsolatedTree> >, WebCore::AXObjectCache::getOrCreateIsolatedTree(lambda=0x000000016b8ab5c0) const::$_9>(WebCore::AXObjectCache::getOrCreateIsolatedTree() const::$_9&&) at AccessibilityObjectInterface.h:1620:5 frame #23: 0x0000000282d5f334 WebCore`WebCore::AXObjectCache::getOrCreateIsolatedTree(this=0x0000000107192b10) const at AXObjectCache.cpp:850:16 frame #24: 0x0000000282d5f174 WebCore`WebCore::AXObjectCache::isolatedTreeRootObject(this=0x0000000107192b10) at AXObjectCache.cpp:861:21 frame #25: 0x0000000282d5f118 WebCore`WebCore::AXObjectCache::rootObject(this=0x0000000107192b10) at AXObjectCache.cpp:835:16 ... 1924555 1 webkit-bug-importer 2023-01-10 12:54:38 -0800 <rdar://problem/104090244> 1924562 2 464445 andresg_22 2023-01-10 13:12:33 -0800 Created attachment 464445 Patch 1924632 3 464449 andresg_22 2023-01-10 16:26:22 -0800 Created attachment 464449 Patch 1924637 4 464449 cfleizach 2023-01-10 16:38:53 -0800 Comment on attachment 464449 Patch looks good. thanks 1924776 5 ews-feeder 2023-01-11 05:18:24 -0800 Committed 258783@main (4b90132f4d9d): <https://commits.webkit.org/258783@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 464449. 1930858 6 gsnedders 2023-02-03 07:05:10 -0800 *** Bug 251647 has been marked as a duplicate of this bug. *** 464445 2023-01-10 13:12:33 -0800 2023-01-10 16:26:18 -0800 Patch bug-250406-20230110161231.patch text/plain 4684 andresg_22 RnJvbSBkNWVjMDc4MGZiOGU3Yzg2ZjgxN2NkYTlkYWZiZmIyYjExYmNmNTI5IE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBBbmRyZXMgR29uemFsZXogPGFuZHJlc2dfMjJAYXBwbGUuY29t PgpEYXRlOiBUdWUsIDEwIEphbiAyMDIzIDEzOjQ5OjEzIC0wNTAwClN1YmplY3Q6IFtQQVRDSF0g QVg6IGNyYXNoIGluIEFYT2JqZWN0Q2FjaGU6OnVwZGF0ZVJlbGF0aW9uc0ZvclRyZWUuCiBodHRw czovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjUwNDA2IDxyZGFyOi8vcHJvYmxl bS8xMDQwOTAyNDQ+CgpSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KCkZhbGxvdXQgZnJvbSBj aGFuZ2UgaW4gaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTIyNDU4Mi4K V2Ugbm93IG51bGwgY2hlY2sgdGhlIERvY3VtZW50KiByZXR1cm5lZCBmcm9tIEhUTUxGcmFtZU93 bmVyRWxlbWVudDo6Y29udGVudERvY3VtZW50KCkuCkluIGFkZGl0aW9uLCBlbHNlIGlmIHRoZSBI 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