48896 2010-11-02 19:47:32 -0700 Keep a reference to the scrollbar in accessibility scrollbar. 2010-12-21 07:37:55 -0800 1 1 1 Unclassified WebKit Accessibility 528+ (Nightly build) All All RESOLVED FIXED P2 Normal --- 0 ctguil ctguil cfleizach commit-queue dumi rolandsteiner oldest_to_newest 303866 0 ctguil 2010-11-02 19:47:32 -0700 Chromium canaries are observing crashes on the following tests: Regressions: Unexpected DumpRenderTree crashes : (3) fast/dom/cssTarget-crash.html = CRASH fast/events/node-event-anchor-lock.html = CRASH fast/loader/repeat-same-document-navigation.html = CRASH Caused by change http://trac.webkit.org/changeset/71198. 303871 1 72786 ctguil 2010-11-02 20:18:44 -0700 Created attachment 72786 Null check obj 303872 2 72786 rolandsteiner 2010-11-02 20:47:01 -0700 Comment on attachment 72786 Null check obj Clearing flags on attachment: 72786 Committed r71208: <http://trac.webkit.org/changeset/71208> 303873 3 rolandsteiner 2010-11-02 20:47:08 -0700 All reviewed patches have been landed. Closing bug. 304963 4 dumi 2010-11-04 16:02:44 -0700 fast/events/remove-event-listener.html started crashing on chromium win/linux/mac between r71198 and r71213 with the following stack trace: [23234:23234:1304399625227:ERROR:process_util_posix.cc(105)] Received signal 11 base::debug::StackTrace::StackTrace() [0x8111a79] base::(anonymous namespace)::StackDumpSignalHandler() [0x80fe039] 0x4001c420 WebCore::AXObjectCache::notificationPostTimerFired() [0x86de224] WebCore::Timer<>::fired() [0x86dc4f5] WebCore::ThreadTimers::sharedTimerFiredInternal() [0x86ca0b4] WebCore::ThreadTimers::sharedTimerFired() [0x86ca161] MessageLoop::RunTask() [0x80f072b] MessageLoop::DeferOrRunPendingTask() [0x80f097c] MessageLoop::DoWork() [0x80f0b8a] base::MessagePumpForUI::RunWithDispatcher() [0x810b7fc] base::MessagePumpForUI::Run() [0x810b782] MessageLoop::RunInternal() [0x80f10e5] MessageLoop::Run() [0x80f11d8] TestShell::WaitTestFinished() [0x8061416] TestShell::RunFileTest() [0x8061734] main [0x805a9d4] 0x40a97450 0x8058841 looks related to your patch. can you please take a look? there's an entry for this test in chromium/src/webkit/tools/layout_tests/test_expectations.txt. once this test is no longer crashing, please remove that entry too. 304996 5 ctguil 2010-11-04 16:40:21 -0700 Looking at the latest builds: http://build.chromium.org/p/chromium/builders/Webkit%20Win/builds/1143/steps/webkit_tests/logs/stdio http://build.chromium.org/p/chromium/builders/Webkit%20Mac10.5/builds/573/steps/webkit_tests/logs/stdio http://build.chromium.org/p/chromium/builders/Webkit%20Linux/builds/1242/steps/webkit_tests/logs/stdio fast/events/remove-event-listener.html is passing on windows and linux but failing on mac with error that looks unrelated. 2010-11-04 16:09:41,819 dump_render_tree_thread.py:107 DEBUG Stacktrace for /b/build/slave/Webkit_Mac10_5/build/src/third_party/WebKit/LayoutTests/fast/events/remove-event-listener.html: [80036:267:1379177625481995:ERROR:/b/build/slave/webkit-mac-rel/build/src/base/process_util_posix.cc(105)] Received signal 10 0 TestShell 0x000a1bb1 _mh_execute_header + 658353 1 TestShell 0x000c2439 _mh_execute_header + 791609 2 libSystem.B.dylib 0x911c32bb _sigtramp + 43 3 ??? 0xffffffff 0x0 + 4294967295 4 TestShell 0x00d588c2 _mh_execute_header + 13990082 5 TestShell 0x00d5a46b _mh_execute_header + 13997163 6 TestShell 0x00d48ffe _mh_execute_header + 13926398 7 TestShell 0x00d490a2 _mh_execute_header + 13926562 8 TestShell 0x000b0c5c _mh_execute_header + 719964 9 TestShell 0x000b0e8e _mh_execute_header + 720526 10 TestShell 0x000b0ff7 _mh_execute_header + 720887 11 TestShell 0x000dbe94 _mh_execute_header + 896660 12 CoreFoundation 0x91ce83c5 CFRunLoopRunSpecific + 3141 13 CoreFoundation 0x91ce8aa8 CFRunLoopRunInMode + 88 14 HIToolbox 0x97a6a2ac BlockUntilNextEventMatchingListInMode + 989 15 HIToolbox 0x97a6a0c5 BlockUntilNextEventMatchingListInMode + 502 16 HIToolbox 0x97a69f39 BlockUntilNextEventMatchingListInMode + 106 17 AppKit 0x96b916d5 _DPSNextEvent + 657 18 AppKit 0x96b90f88 _NSUpdateMenuRefWithChangedMenuItem + 2250 19 AppKit 0x96b89f9f _NSSetViewMultiClipDrawingHelper + 4866 20 TestShell 0x000dbb5d _mh_execute_header + 895837 21 TestShell 0x000db02a _mh_execute_header + 892970 22 TestShell 0x000b186f _mh_execute_header + 723055 23 TestShell 0x000b19f4 _mh_execute_header + 723444 24 TestShell 0x00030c0d _mh_execute_header + 195597 25 TestShell 0x00032086 _mh_execute_header + 200838 26 TestShell 0x0000bc9e _mh_execute_header + 44190 27 TestShell 0x00009f2a _mh_execute_header + 36650 305004 6 dumi 2010-11-04 16:51:03 -0700 Roland said he couldn't reproduce the failure either, but most probably you need to run multiple tests for that failure to show up. I'm not sure how to reproduce it, but the stack trace reported on the Linux bot when this test started crashing seems to point to your patch. 305009 7 ctguil 2010-11-04 16:57:05 -0700 Is it still failing somewhere that accessibility code stack trace? I see this test passing on Linux. 305011 8 dumi 2010-11-04 17:01:57 -0700 http://test-results.appspot.com/dashboards/flakiness_dashboard.html#showExpectations=true&tests=fast%2Fevents%2Fremove-event-listener.html the test seems to no longer crash on linux. however, it still crashes on mac, in process_util_posix.cc(105), the same location where the test crashed on linux once (the rest of the stack trace from the mac bot looks unhelpful). and there might be a way to resolve those symbols in the windows stack trace. 305052 9 ctguil 2010-11-04 17:52:19 -0700 Able to repro on windows debug with: >run_webkit_tests.bat --debug fast/events Backtrace: WebCore::AXObjectCache::postPlatformNotification [0x10079972+130] (c:\chromium2\src\third_party\webkit\webcore\accessibility\chromium\axobjectcachechromium.cpp:55) WebCore::AXObjectCache::notificationPostTimerFired [0x0FD962A7+279] (c:\chromium2\src\third_party\webkit\webcore\accessibility\axobjectcache.cpp:416) WebCore::Timer<WebCore::AXObjectCache>::fired [0x0FD96F73+35] (c:\chromium2\src\third_party\webkit\webcore\platform\timer.h:98) WebCore::ThreadTimers::sharedTimerFiredInternal [0x104C4CD9+217] (c:\chromium2\src\third_party\webkit\webcore\platform\threadtimers.cpp:112) WebCore::ThreadTimers::sharedTimerFired [0x104C4BF6+22] (c:\chromium2\src\third_party\webkit\webcore\platform\threadtimers.cpp:91) webkit_glue::WebKitClientImpl::DoTimeout [0x01143DAB+43] (c:\chromium2\src\webkit\glue\webkitclient_impl.h:68) DispatchToMethod<webkit_glue::WebKitClientImpl,void (__thiscall webkit_glue::WebKitClientImpl::*)(void)> [0x01145B3C+12] (c:\chromium2\src\base\tuple.h:537) base::BaseTimer<webkit_glue::WebKitClientImpl,0>::TimerTask::Run [0x01145094+84] (c:\chromium2\src\base\timer.h:160) MessageLoop::RunTask [0x016F77E9+361] (c:\chromium2\src\base\message_loop.cc:417) MessageLoop::DeferOrRunPendingTask [0x016F7935+53] (c:\chromium2\src\base\message_loop.cc:429) MessageLoop::DoWork [0x016F7EFC+236] (c:\chromium2\src\base\message_loop.cc:533) base::MessagePumpForUI::DoRunLoop [0x0178E364+84] (c:\chromium2\src\base\message_pump_win.cc:200) base::MessagePumpWin::RunWithDispatcher [0x0178D9E2+130] (c:\chromium2\src\base\message_pump_win.cc:49) base::MessagePumpWin::Run [0x0178DD8C+28] (c:\chromium2\src\base\message_pump_win.h:80) MessageLoop::RunInternal [0x016F6C2D+349] (c:\chromium2\src\base\message_loop.cc:265) MessageLoop::RunHandler [0x016F699E+46] (c:\chromium2\src\base\message_loop.cc:238) MessageLoop::Run [0x016F6840+96] (c:\chromium2\src\base\message_loop.cc:216) TestShell::WaitTestFinished [0x0187E653+675] (c:\chromium2\src\webkit\tools\test_shell\test_shell_win.cc:490) TestShell::RunFileTest [0x0187D515+1333] (c:\chromium2\src\webkit\tools\test_shell\test_shell_win.cc:292) main [0x010F31E2+6930] (c:\chromium2\src\webkit\tools\test_shell\test_shell_main.cc:411) __tmainCRTStartup [0x018D54C8+424] (f:\dd\vctools\crt_bld\self_x86\crt\src\crtexe.c:586) mainCRTStartup [0x018D530F+15] (f:\dd\vctools\crt_bld\self_x86\crt\src\crtexe.c:403) BaseThreadInitThunk [0x76B43667+18] RtlInitializeExceptionChain [0x779F9E12+99] RtlInitializeExceptionChain [0x779F9DE5+54] static_cast<AccessibilityScrollbar*>(obj)->scrollbar() is returning garbage. Investigating... 305087 10 73027 ctguil 2010-11-04 18:40:43 -0700 Created attachment 73027 Keep a referene to the scrollbar in accessibility scrollbar. 305112 11 dumi 2010-11-04 19:59:56 -0700 Chris, can you please review this patch? I'm not familiar with this code. 305177 12 73027 cfleizach 2010-11-05 01:26:11 -0700 Comment on attachment 73027 Keep a referene to the scrollbar in accessibility scrollbar. View in context: https://bugs.webkit.org/attachment.cgi?id=73027&action=review Otherwise looks ok. > WebCore/ChangeLog:5 > + Keep a referene to the scrollbar in accessibility scrollbar. spelling 305438 13 73098 ctguil 2010-11-05 12:02:07 -0700 Created attachment 73098 Keep a reference to the scrollbar in accessibility scrollbar. 305439 14 73098 cfleizach 2010-11-05 12:02:41 -0700 Comment on attachment 73098 Keep a reference to the scrollbar in accessibility scrollbar. r=me 305465 15 73098 commit-queue 2010-11-05 12:55:36 -0700 Comment on attachment 73098 Keep a reference to the scrollbar in accessibility scrollbar. Clearing flags on attachment: 73098 Committed r71445: <http://trac.webkit.org/changeset/71445> 305466 16 commit-queue 2010-11-05 12:55:42 -0700 All reviewed patches have been landed. Closing bug. 72786 2010-11-02 20:18:44 -0700 2010-11-04 18:40:43 -0700 Null check obj MyPatch.txt text/plain 1500 ctguil SW5kZXg6IFdlYkNvcmUvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIFdlYkNvcmUvQ2hhbmdlTG9n CShyZXZpc2lvbiA3MTIwNikKKysrIFdlYkNvcmUvQ2hhbmdlTG9nCSh3b3JraW5nIGNvcHkpCkBA IC0xLDMgKzEsMTMgQEAKKzIwMTAtMTEtMDIgIENocmlzIEd1aWxsb3J5ICA8Y2hyaXMuZ3VpbGxv cnlAZ29vZ2xlLmNvbT4KKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKwor ICAgICAgICBOdWxsIGNoZWNrIG9iaiBpbiBBWE9iamVjdENhY2hlOjpwb3N0UGxhdGZvcm1Ob3Rp ZmljYXRpb24uCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9p ZD00ODg5NgorCisgICAgICAgICogYWNjZXNzaWJpbGl0eS9jaHJvbWl1bS9BWE9iamVjdENhY2hl Q2hyb21pdW0uY3BwOgorICAgICAgICAoV2ViQ29yZTo6QVhPYmplY3RDYWNoZTo6cG9zdFBsYXRm b3JtTm90aWZpY2F0aW9uKToKKwogMjAxMC0xMS0wMiAgS2F2aXRhIEthbmV0a2FyICA8a2thbmV0 a2FyQGNocm9taXVtLm9yZz4KIAogICAgICAgICBSZXZpZXdlZCBieSBEdW1pdHJ1IERhbmlsaXVj LgpJbmRleDogV2ViQ29yZS9hY2Nlc3NpYmlsaXR5L2Nocm9taXVtL0FYT2JqZWN0Q2FjaGVDaHJv bWl1bS5jcHAKPT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PQotLS0gV2ViQ29yZS9hY2Nlc3NpYmlsaXR5L2Nocm9taXVtL0FY T2JqZWN0Q2FjaGVDaHJvbWl1bS5jcHAJKHJldmlzaW9uIDcxMjA2KQorKysgV2ViQ29yZS9hY2Nl c3NpYmlsaXR5L2Nocm9taXVtL0FYT2JqZWN0Q2FjaGVDaHJvbWl1bS5jcHAJKHdvcmtpbmcgY29w eSkKQEAgLTQ5LDcgKzQ5LDcgQEAgdm9pZCBBWE9iamVjdENhY2hlOjphdHRhY2hXcmFwcGVyKEFj Y2VzcwogCiB2b2lkIEFYT2JqZWN0Q2FjaGU6OnBvc3RQbGF0Zm9ybU5vdGlmaWNhdGlvbihBY2Nl c3NpYmlsaXR5T2JqZWN0KiBvYmosIEFYTm90aWZpY2F0aW9uIG5vdGlmaWNhdGlvbikKIHsKLSAg ICBpZiAob2JqLT5pc0FjY2Vzc2liaWxpdHlTY3JvbGxiYXIoKSAmJiBub3RpZmljYXRpb24gPT0g QVhWYWx1ZUNoYW5nZWQpIHsKKyAgICBpZiAob2JqICYmIG9iai0+aXNBY2Nlc3NpYmlsaXR5U2Ny b2xsYmFyKCkgJiYgbm90aWZpY2F0aW9uID09IEFYVmFsdWVDaGFuZ2VkKSB7CiAgICAgICAgIC8v IFNlbmQgZG9jdW1lbnQgdmFsdWUgY2hhbmdlZCBvbiBzY3JvbGxiYXIgdmFsdWUgY2hhbmdlZCBu b3RpZmljYXRpb24uCiAgICAgICAgIFNjcm9sbGJhciogc2Nyb2xsQmFyID0gc3RhdGljX2Nhc3Q8 QWNjZXNzaWJpbGl0eVNjcm9sbGJhcio+KG9iaiktPnNjcm9sbGJhcigpOwogICAgICAgICBpZiAo IXNjcm9sbEJhciB8fCAhc2Nyb2xsQmFyLT5wYXJlbnQoKSB8fCAhc2Nyb2xsQmFyLT5wYXJlbnQo KS0+aXNGcmFtZVZpZXcoKSkK 73027 2010-11-04 18:40:43 -0700 2010-11-05 12:02:07 -0700 Keep a referene to the scrollbar in accessibility scrollbar. 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