144860 2015-05-11 00:47:52 -0700 AX: Crash at WebCore::AccessibilityMenuList::addChildren() 2015-05-11 13:26:44 -0700 1 1 1 Unclassified WebKit Accessibility 528+ (Nightly build) All All RESOLVED FIXED InRadar P2 Normal --- 1 cfleizach cfleizach aboxhall apinheiro commit-queue dmazzoni jcraig jdiggs kling mario samuel_white webkit-bug-importer oldest_to_newest 1093677 0 cfleizach 2015-05-11 00:47:52 -0700 It's possible to make AX code crash in AXMenuList when trying to access children after the object has been hidden <rdar://problem/20774337> 1093678 1 252845 cfleizach 2015-05-11 00:52:06 -0700 Created attachment 252845 patch 1093679 2 252846 cfleizach 2015-05-11 00:53:46 -0700 Created attachment 252846 patch 1093710 3 252846 mario 2015-05-11 02:43:31 -0700 Comment on attachment 252846 patch View in context: https://bugs.webkit.org/attachment.cgi?id=252846&action=review > Source/WebCore/accessibility/AccessibilityMenuList.cpp:67 > - m_haveChildren = true; > - > - AXObjectCache* cache = m_renderer->document().axObjectCache(); > - > + if (!m_renderer) > + return; > + > + AXObjectCache* cache = axObjectCache(); > + if (!cache) > + return; > + Indeed. This was an accident waiting to happen. 1093757 4 252846 commit-queue 2015-05-11 08:09:26 -0700 Comment on attachment 252846 patch Clearing flags on attachment: 252846 Committed r184097: <http://trac.webkit.org/changeset/184097> 1093758 5 commit-queue 2015-05-11 08:09:31 -0700 All reviewed patches have been landed. Closing bug. 1093862 6 kling 2015-05-11 12:53:08 -0700 This test is failing on Windows bots since it was added: https://build.webkit.org/results/Apple%20Win%207%20Debug%20(Tests)/r184105%20(66146)/accessibility/menu-list-crash2-pretty-diff.html --- /home/buildbot/slave/win-debug-tests/build/layout-test-results/accessibility/menu-list-crash2-expected.txt +++ /home/buildbot/slave/win-debug-tests/build/layout-test-results/accessibility/menu-list-crash2-actual.txt @@ -5,8 +5,8 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". -Role before removal: AXRole: AXPopUpButton -Role after removal: AXRole: +Role before removal: AXRole: AXComboBox +Role after removal: AXRole: AXComboBox PASS successfullyParsed is true TEST COMPLETE 1093869 7 cfleizach 2015-05-11 13:13:58 -0700 We need a windows expectation file I can do that today but not for a few hours (In reply to comment #6) > This test is failing on Windows bots since it was added: > > https://build.webkit.org/results/Apple%20Win%207%20Debug%20(Tests)/ > r184105%20(66146)/accessibility/menu-list-crash2-pretty-diff.html > > --- > /home/buildbot/slave/win-debug-tests/build/layout-test-results/accessibility/ > menu-list-crash2-expected.txt > +++ > /home/buildbot/slave/win-debug-tests/build/layout-test-results/accessibility/ > menu-list-crash2-actual.txt > @@ -5,8 +5,8 @@ > On success, you will see a series of "PASS" messages, followed by "TEST > COMPLETE". > > > -Role before removal: AXRole: AXPopUpButton > -Role after removal: AXRole: > +Role before removal: AXRole: AXComboBox > +Role after removal: AXRole: AXComboBox > PASS successfullyParsed is true > > TEST COMPLETE 1093870 8 kling 2015-05-11 13:26:44 -0700 (In reply to comment #7) > We need a windows expectation file > > I can do that today but not for a few hours I'll land one then :) 252845 2015-05-11 00:52:06 -0700 2015-05-11 00:53:46 -0700 patch patch text/plain 4290 cfleizach 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