[Webkit-unassigned] [Bug 183180] New: AX: [GTK] Layout test imported/blink/fast/forms/time-multiple-fields/time-multiple-fields-crash-by-focus-on-unload.html crashes

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 27 14:49:14 PST 2018


https://bugs.webkit.org/show_bug.cgi?id=183180

            Bug ID: 183180
           Summary: AX: [GTK] Layout test
                    imported/blink/fast/forms/time-multiple-fields/time-mu
                    ltiple-fields-crash-by-focus-on-unload.html crashes
           Product: WebKit
           Version: Other
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org,
                    webkit-bug-importer at group.apple.com

Layout test imported/blink/fast/forms/time-multiple-fields/time-multiple-fields-crash-by-focus-on-unload.html crashes on our bots once every 50 runs or thereabouts. It's yet another AXObjectCache crash:

Thread 1 (Thread 0x7ff1a5ba8480 (LWP 29182)):
#0  0x00007ff1b41f43a0 in _ZN7WebCore13AXObjectCache11getOrCreateEPNS_12RenderObjectE () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#1  0x00007ff1b41f5397 in _ZN7WebCore13AXObjectCache11getOrCreateEPNS_4NodeE () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#2  0x00007ff1b423b37b in _ZN7WebCore13AXObjectCache37platformHandleFocusedUIElementChangedEPNS_4NodeES2_ () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#3  0x00007ff1b41f718b in _ZN7WebCore13AXObjectCache26performDeferredCacheUpdateEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#4  0x00007ff1b48549e7 in _ZN7WebCore13LayoutContext20runAsynchronousTasksEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#5  0x00007ff1b485518f in _ZN7WebCore13LayoutContext30runOrScheduleAsynchronousTasksEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#6  0x00007ff1b4854d53 in _ZN7WebCore13LayoutContext6layoutEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#7  0x00007ff1b446896e in _ZN7WebCore8Document13implicitCloseEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#8  0x00007ff1b477a136 in _ZN7WebCore11FrameLoader14checkCompletedEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#9  0x00007ff1b477a20d in _ZN7WebCore11FrameLoader15finishedParsingEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#10 0x00007ff1b446aaeb in _ZN7WebCore8Document15finishedParsingEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#11 0x00007ff1b468c926 in _ZN7WebCore18HTMLDocumentParser20prepareToStopParsingEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#12 0x00007ff1b468ca10 in _ZN7WebCore18HTMLDocumentParser6finishEv.localalias.288 () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#13 0x00007ff1b4757202 in _ZN7WebCore14DocumentWriter3endEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#14 0x00007ff1b4760109 in _ZN7WebCore14DocumentLoader15finishedLoadingEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#15 0x00007ff1b47de72a in _ZN7WebCore14CachedResource11checkNotifyEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#16 0x00007ff1b47e0c76 in _ZN7WebCore17CachedRawResource13finishLoadingEPNS_12SharedBufferE () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#17 0x00007ff1b47af28e in _ZN7WebCore17SubresourceLoader16didFinishLoadingERKNS_18NetworkLoadMetricsE () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#18 0x00007ff1b3aa6745 in _ZN3IPC13handleMessageIN8Messages17WebResourceLoader21DidFinishResourceLoadEN6WebKit17WebResourceLoaderEMS5_FvRKN7WebCore18NetworkLoadMetricsEEEEvRNS_7DecoderEPT0_T1_ () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#19 0x00007ff1b3aa6338 in _ZN6WebKit17WebResourceLoader34didReceiveWebResourceLoaderMessageERN3IPC10ConnectionERNS1_7DecoderE () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#20 0x00007ff1b37c489b in _ZN3IPC10Connection15dispatchMessageESt10unique_ptrINS_7DecoderESt14default_deleteIS2_EE () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#21 0x00007ff1b37c567c in _ZN3IPC10Connection18dispatchOneMessageEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#22 0x00007ff1b1983007 in _ZN3WTF7RunLoop11performWorkEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#23 0x00007ff1b19b8d79 in _ZZN3WTF7RunLoopC4EvENUlPvE_4_FUNES1_ () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#24 0x00007ff1ad55781a in g_main_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3148
#25 g_main_context_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3813
#26 0x00007ff1ad557ba8 in g_main_context_iterate () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3886
#27 0x00007ff1ad557ec2 in g_main_loop_run () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:4082
#28 0x00007ff1b19b9770 in _ZN3WTF7RunLoop3runEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#29 0x00007ff1b3c43652 in _ZN6WebKit16ChildProcessMainINS_10WebProcessENS_14WebProcessMainEEEiiPPc () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#30 0x00007ff1aa9062b1 in __libc_start_main (main=0x7ff1b5fa1d20 <main>, argc=3, argv=0x7ffd5119fb88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd5119fb78) at ../csu/libc-start.c:291
#31 0x00007ff1b5fa1daa in _start ()

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