Bug 454614

Summary:	Coredump in the g_type_check_instance_cast
Product:	[Fedora] Fedora	Reporter:	Zdenek Kabelac <zkabelac>
Component:	nspluginwrapper	Assignee:	Martin Stransky <stransky>
Status:	CLOSED WONTFIX	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	low	Docs Contact:
Priority:	low
Version:	rawhide	CC:	caillon, wtogami
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2008-08-04 12:51:05 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Zdenek Kabelac 2008-07-09 12:02:56 UTC

Description of problem:

I'm also seeing this kind of coredumps:

#0  0x449f1378 in IA__g_type_check_instance_cast (type_instance=<value optimized
out>, iface_type=<value optimized out>) at gtype.c:3723
3723	      if (type_instance->g_class)
Missing separate debuginfos, use: debuginfo-install alsa-lib.i386 atk.i386
cairo.i386 expat.i386 fontconfig.i386 freetype.i386 gcc.i386 glibc.i686
libICE.i386 libSM.i386 libXau.i386 libXcomposite.i386 libXcursor.i386
libXdmcp.i386 libXext.i386 libXfixes.i386 libXi.i386 libXrandr.i386
libXrender.i386 libXt.i386 libpng.i386 libselinux.i386 libxcb.i386 nspr.i386
pango.i386 pixman.i386 zlib.i386
(gdb) bt
#0  0x449f1378 in IA__g_type_check_instance_cast (type_instance=<value optimized
out>, iface_type=<value optimized out>) at gtype.c:3723
#1  0xf77135ae in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#2  0xf77e9cd1 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#3  0xf7b72007 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#4  0xf7b72155 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#5  0xf771363d in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#6  0xf7b7d19f in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#7  0xf77eff0b in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#8  0xf77130fe in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#9  0x448fe936 in g_timeout_dispatch (source=Could not find the frame base for
"g_timeout_dispatch".
) at gmain.c:3527
#10 0x448fe211 in g_main_dispatch () at gmain.c:2068
#11 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2620
#12 0x449018b3 in g_main_context_iterate (context=<value optimized out>,
block=<value optimized out>, dispatch=<value optimized out>, self=Could not find
the frame base for "g_main_context_iterate".
) at gmain.c:2701
#13 0x44901dd2 in IA__g_main_loop_run (loop=<value optimized out>) at gmain.c:2924
#14 0x44f900e5 in IA__gtk_main () at gtkmain.c:1172
#15 0x080507f1 in do_main (argv=0xfffa8124, argc=1) at ../src/npw-viewer.c:3216
#16 main (argc=1, argv=0xfffa8124) at ../src/npw-viewer.c:3371


This looks like failure from accessing incorrectly converted pointer from 32bit
to 64bit platform - however I've no idea how it works internaly in the
nspluginwrapper.

I do not see these frequent Flash crashes when running 32bit mozilla with the
exactly same libflashplugin.so.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:


Additional info:

Comment 1 Martin Stransky 2008-08-04 12:51:05 UTC

We are not going to fix bugs in flash player. Closing as WONTFIX.