[Webkit-unassigned] [Bug 22778] New: Segmentation fault

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=22778

           Summary: Segmentation fault
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Critical
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: elle.uca at libero.it


Sorry for bad summary, but I've segfault in all webkit based application I'm
testing (epiphany, devhelp, yelp, GtkLauncher)

WebKit is 2 days ago rebuild from git
(5bb66bb946449ad9e549a6d2c7fa54f42fcb890c)

Here is the stack running Yelp and clicking on a11y guide link:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb50306c0 (LWP 15332)]
0xb55cee8e in IA__g_object_unref (_object=0x1000000) at gobject.c:2370
2370      g_return_if_fail (G_IS_OBJECT (object));
(gdb) thread apply all bt

Thread 6 (Thread 0xb47ebb90 (LWP 16224)):
#0  0xb7ff0430 in __kernel_vsyscall ()
#1  0xb5d553a2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2  0xb5f0407d in g_cond_timed_wait_posix_impl (cond=0x95ff540,
entered_mutex=0x80, abs_time=0x5)
    at gthread-posix.c:242
#3  0xb54f5229 in g_async_queue_pop_intern_unlocked (queue=0x91cd580,
try=<value optimized out>, 
    end_time=0xb47eb374) at gasyncqueue.c:365
#4  0xb54f5327 in IA__g_async_queue_timed_pop (queue=0x91cd580,
end_time=0xb47eb374) at gasyncqueue.c:491
#5  0xb5547d63 in g_thread_pool_thread_proxy (data=0x94644d0) at
gthreadpool.c:121
#6  0xb554675f in g_thread_create_proxy (data=0x94868c0) at gthread.c:635
#7  0xb5d5150f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb53557ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb50306c0 (LWP 15332)):
#0  0xb55cee8e in IA__g_object_unref (_object=0x1000000) at gobject.c:2370
#1  0xb74f5de4 in WebCore::cleanupGioOperation () from
/opt/gnome2/lib/libwebkit-1.0.so.1
#2  0xb74f8f01 in WebCore::queryInfoCallback () from
/opt/gnome2/lib/libwebkit-1.0.so.1
#3  0xb58c4187 in IA__g_simple_async_result_complete (simple=0x92832f0) at
gsimpleasyncresult.c:554
#4  0xb58c41be in complete_in_idle_cb (data=0x92832f0) at
gsimpleasyncresult.c:564
#5  0xb5519a51 in g_idle_dispatch (source=0x97727f0, callback=0x1000000,
user_data=0x92832f0)
    at gmain.c:3924
#6  0xb551b988 in IA__g_main_context_dispatch (context=0x91a93a0) at
gmain.c:1814
#7  0xb551f033 in g_main_context_iterate (context=0x91a93a0, block=1,
dispatch=1, self=0x9178528)
    at gmain.c:2448
#8  0xb551f552 in IA__g_main_loop_run (loop=0x93a8498) at gmain.c:2656
#9  0xb5adc1e9 in IA__gtk_main () at gtkmain.c:1200
#10 0x0805d0d5 in main (argc=-1258234520, argv=0xbfdf0134) at yelp-main.c:121


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