[Webkit-unassigned] [Bug 181138] New: [GTK] Crash destroying WebCore::FileMonitor

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Dec 22 14:22:41 PST 2017


https://bugs.webkit.org/show_bug.cgi?id=181138

            Bug ID: 181138
           Summary: [GTK] Crash destroying WebCore::FileMonitor
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org

I thought we had fixed this in bug #179909, but apparently something is still wrong. Layout tests fast/scrolling/rtl-scrollbars-animation-property.html and intersection-observer/intersection-observer-entry-interface.html are both flaky crashes:

Thread 1 (Thread 0x7ff833fff700 (LWP 7884)):
#0  0x00007ff89a537b75 in g_type_check_instance_is_fundamentally_a () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/gobject/gtype.c:4023
#1  0x00007ff89a5182b5 in g_object_unref () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/gobject/gobject.c:3227
#2  0x00007ff89d74ca97 in _ZN3WTF8FunctionIFvvEE15CallableWrapperIZN7WebCore11FileMonitorC4ERKNS_6StringEONS_3RefINS_9WorkQueueENS_13DumbPtrTraitsISA_EEEEONS0_IFvNS5_14FileChangeTypeEEEEEUlvE_E4callEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#3  0x00007ff89e980e57 in _ZN3WTF7RunLoop11performWorkEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#4  0x00007ff89e9be4c9 in _ZZN3WTF7RunLoopC4EvENUlPvE_4_FUNES1_ () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#5  0x00007ff89a43781a 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
#6  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
#7  0x00007ff89a437ba8 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
#8  0x00007ff89a437ec2 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
#9  0x00007ff89e9bee90 in _ZN3WTF7RunLoop3runEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#10 0x00007ff89e9825ab in _ZN3WTF6Thread10entryPointEPNS0_16NewThreadContextE () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#11 0x00007ff89e9bd249 in _ZN3WTFL19wtfThreadEntryPointEPv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#12 0x00007ff8977ba494 in start_thread (arg=0x7ff833fff700) at pthread_create.c:333
#13 0x00007ff893f9d93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Updating expectations accordingly.

fast/scrolling/rtl-scrollbars-animation-property.html has been crashing for a while, first one I see is r223831. But, interestingly, the first crash I see for intersection-observer/intersection-observer-entry-interface.html is at r225145, so this one didn't start crashing until after the change in bug #179909 landed.

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