[Webkit-unassigned] [Bug 110142] New: ASSERT in m_event.get() in EventDispatcher.cpp

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=110142

           Summary: ASSERT in m_event.get() in EventDispatcher.cpp
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML Events
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: svillar at igalia.com


I get the following backtrace everytime I try to perform a scroll operation. I got it from a semi-debug build (minimal symbols but asserts on):

ASSERTION FAILED: m_event.get()
../../Source/WebCore/dom/EventDispatcher.cpp(67) : WebCore::EventDispatcher::EventDispatcher(WebCore::Node*, WTF::PassRefPtr<WebCore::Event>)
1   0x7f0da1e517b7 /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0xa197b7) [0x7f0da1e517b7]
2   0x7f0da1e5166c /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0xa1966c) [0x7f0da1e5166c]
3   0x7f0da1e8b5d0 /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0xa535d0) [0x7f0da1e8b5d0]
4   0x7f0da23c240b /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0xf8a40b) [0x7f0da23c240b]
5   0x7f0da1a66adb /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0x62eadb) [0x7f0da1a66adb]
6   0x7f0d9f62e0a0 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(+0x21a0a0) [0x7f0d9f62e0a0]
7   0x7f0d9c7983c2 /home/sergio/opt/gnome3/lib64/libgobject-2.0.so.0(+0x123c2) [0x7f0d9c7983c2]
8   0x7f0d9c797f85 /home/sergio/opt/gnome3/lib64/libgobject-2.0.so.0(+0x11f85) [0x7f0d9c797f85]
9   0x7f0d9c7b3e41 /home/sergio/opt/gnome3/lib64/libgobject-2.0.so.0(g_signal_emit_valist+0x54b) [0x7f0d9c7b3e41]
10  0x7f0d9c7b4ff5 /home/sergio/opt/gnome3/lib64/libgobject-2.0.so.0(g_signal_emit+0xa6) [0x7f0d9c7b4ff5]
11  0x7f0d9f7da7ed /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(+0x3c67ed) [0x7f0d9f7da7ed]
12  0x7f0d9f7d9e3d /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(gtk_widget_event+0x112) [0x7f0d9f7d9e3d]
13  0x7f0d9f62d9e7 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(+0x2199e7) [0x7f0d9f62d9e7]
14  0x7f0d9f62dd57 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(+0x219d57) [0x7f0d9f62dd57]
15  0x7f0d9f62de25 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(gtk_propagate_event+0xcc) [0x7f0d9f62de25]
16  0x7f0d9f62c5eb /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(gtk_main_do_event+0x41a) [0x7f0d9f62c5eb]
17  0x7f0d9f19aa86 /home/sergio/opt/gnome3/lib64/libgdk-3.so.0(+0x27a86) [0x7f0d9f19aa86]
18  0x7f0d9f1d3658 /home/sergio/opt/gnome3/lib64/libgdk-3.so.0(+0x60658) [0x7f0d9f1d3658]
19  0x7f0d9c086df5 /home/sergio/opt/gnome3/lib64/libglib-2.0.so.0(+0x55df5) [0x7f0d9c086df5]
20  0x7f0d9c087b5a /home/sergio/opt/gnome3/lib64/libglib-2.0.so.0(g_main_context_dispatch+0x33) [0x7f0d9c087b5a]
21  0x7f0d9c087d4a /home/sergio/opt/gnome3/lib64/libglib-2.0.so.0(+0x56d4a) [0x7f0d9c087d4a]
22  0x7f0d9c08817a /home/sergio/opt/gnome3/lib64/libglib-2.0.so.0(g_main_loop_run+0x1d8) [0x7f0d9c08817a]
23  0x7f0d9f62bdb8 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(gtk_main+0x6e) [0x7f0d9f62bdb8]
24  0x405c61 Programs/GtkLauncher(main+0x2eb) [0x405c61]
25  0x7f0d9b881a55 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f0d9b881a55]
26  0x4039b9 Programs/GtkLauncher() [0x4039b9]

patch soon...

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