[Webkit-unassigned] [Bug 18377] New: get illegal instruction when change from one website to another

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=18377

           Summary: get illegal instruction when change from one website to
                    another
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Critical
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: binary.chen at gmail.com


R31667

repeat procedure:

run GtkLauncher with default URL: http://www.google.com/

after the page loaded, then change the URL to http://www.sina.com.cn

every time the browser will be dead, with the infomation:

Program received signal SIGILL, Illegal instruction.
[Switching to Thread -1253566768 (LWP 22154)]
0xb77ce296 in WebCore::FrameLoader::load (this=0x867c520, newURL=@0xbfaac290,
referrer=@0xbfaac220,
newLoadType=WebCore::FrameLoadTypeRedirectWithLockedHistory, 
    frameName=@0xbfaac320, event=0x0, formState=@0xbfaac234) at
./JavaScriptCore/wtf/RefCounted.h:41
41              ASSERT(!m_deletionHasBegun);
Current language:  auto; currently c++
(gdb) bt
#0  0xb77ce296 in WebCore::FrameLoader::load (this=0x867c520,
newURL=@0xbfaac290, referrer=@0xbfaac220,
newLoadType=WebCore::FrameLoadTypeRedirectWithLockedHistory, 
    frameName=@0xbfaac320, event=0x0, formState=@0xbfaac234) at
./JavaScriptCore/wtf/RefCounted.h:41
#1  0xb77ceaa1 in WebCore::FrameLoader::load (this=0x867c520,
request=@0xbfaac290, lockHistory=true, userGesture=false, event=0x0,
submitForm=0x0, formValues=@0xbfaac328)
    at WebCore/loader/FrameLoader.cpp:2087
#2  0xb77cf9bb in WebCore::FrameLoader::urlSelected (this=0x867c520,
request=@0xbfaac394, event=0x0, lockHistory=true, userGesture=false) at
WebCore/loader/FrameLoader.cpp:3310
#3  0xb77dd6d7 in WebCore::FrameLoader::urlSelected (this=0x867c520,
request=@0xbfaac484, _target=@0xbfaac514, triggeringEvent=0x0,
lockHistory=true, userGesture=false)
    at WebCore/loader/FrameLoader.cpp:405
#4  0xb77dde15 in WebCore::FrameLoader::changeLocation (this=0x867c520,
url=@0xbfaac54c, referrer=@0x8680f48, lockHistory=true, userGesture=false)
    at WebCore/loader/FrameLoader.cpp:388
#5  0xb77de08b in WebCore::FrameLoader::changeLocation (this=0x867c520,
url=@0x8680f44, referrer=@0x8680f48, lockHistory=true, userGesture=false)
    at WebCore/loader/FrameLoader.cpp:376
#6  0xb77de1d8 in WebCore::FrameLoader::redirectionTimerFired (this=0x867c520)
at WebCore/loader/FrameLoader.cpp:1479
#7  0xb77e2f4b in WebCore::Timer<WebCore::FrameLoader>::fired (this=0x867c6e8)
at ./WebCore/platform/Timer.h:99
#8  0xb78fa7d4 in WebCore::TimerBase::fireTimers (fireTime=1207718175.357748,
firingTimers=@0xbfaac72c) at WebCore/platform/Timer.cpp:347
#9  0xb78fa8df in WebCore::TimerBase::sharedTimerFired () at
WebCore/platform/Timer.cpp:368
#10 0xb726113e in timeout_cb () at WebCore/platform/gtk/SharedTimerGtk.cpp:48
#11 0xb698dbcb in g_idle_dispatch (source=0x879bd18, callback=0x1,
user_data=0x4) at gmain.c:4132
#12 0xb698a8d5 in IA__g_main_context_dispatch (context=0x806f278) at
gmain.c:2061
#13 0xb698c17e in g_main_context_iterate (context=0x806f278, block=1,
dispatch=1, self=0x809ed78) at gmain.c:2694
#14 0xb698c492 in IA__g_main_loop_run (loop=0x82e8ff0) at gmain.c:2898
#15 0xb6b57599 in IA__gtk_main () at gtkmain.c:1163
#16 0x080499df in main (argc=1, argv=0xbfaac994) at
WebKitTools/GtkLauncher/main.c:200


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