[Bug 260698] New: libxine crashes rendering grayscale MNG

Christopher Yeleighton giecrilj at stegny.2a.pl
Sun Dec 19 12:23:41 GMT 2010 

https://bugs.kde.org/show_bug.cgi?id=260698

           Summary: libxine crashes rendering grayscale MNG
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: giecrilj at stegny.2a.pl


Application: kaffeine-xbu (1.0-svn3 1.1.18.1)
KDE Platform Version: 4.4.4 (KDE 4.4.4) "release 3"
Qt Version: 4.6.3
Operating System: Linux 2.6.34.7-0.5-desktop x86_64
Distribution: "openSUSE 11.3 (x86_64)"

-- Information about the crash:
{ xdg-open https://bugs.kde.org/attachment.cgi?id=55066; }
Consistently reproducible crash in libxine.

The crash can be reproduced every time.

 -- Backtrace:
Application: Kaffeine (kaffeine-xbu), signal: Segmentation fault
__pthread_mutex_unlock_usercnt (mutex=0x654238, decr=1)
    at pthread_mutex_unlock.c:36
36    {
[Current thread is 1 (Thread 0x7fe869ba0760 (LWP 8695))]

Thread 9 (Thread 0x7fe85d5fe710 (LWP 8696)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007fe869430941 in metronom_sync_loop (this=0x734c60) at metronom.c:870
#2  0x00007fe868343a4f in start_thread (arg=0x7fe85d5fe710) at
pthread_create.c:297
#3  0x00007fe86713382d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fe8581e6710 (LWP 8700)):
#0  __pthread_disable_asynccancel () at
../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:97
#1  0x00007fe86834b399 in read () at ../sysdeps/unix/syscall-template.S:82
#2  0x00007fe85e2af795 in ?? () from /usr/lib64/libasound.so.2
#3  0x00007fe85e2aa683 in snd_hctl_handle_events () from
/usr/lib64/libasound.so.2
#4  0x00007fe85e2b4ae9 in snd_mixer_handle_events () from
/usr/lib64/libasound.so.2
#5  0x00007fe8577e0948 in ao_alsa_handle_event_thread (data=0x749290) at
audio_alsa_out.c:176
#6  0x00007fe868343a4f in start_thread (arg=0x7fe8581e6710) at
pthread_create.c:297
#7  0x00007fe86713382d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fe8577db710 (LWP 8701)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe869442a6b in fifo_peek_int (this_gen=0x77b700) at audio_out.c:348
#2  fifo_peek (this_gen=0x77b700) at audio_out.c:388
#3  ao_loop (this_gen=0x77b700) at audio_out.c:1015
#4  0x00007fe868343a4f in start_thread (arg=0x7fe8577db710) at
pthread_create.c:297
#5  0x00007fe86713382d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fe856782710 (LWP 8703)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007fe86943eaaf in interruptable_sleep (this_gen=0x8def30) at
video_out.c:1092
#2  video_out_loop (this_gen=0x8def30) at video_out.c:1276
#3  0x00007fe868343a4f in start_thread (arg=0x7fe856782710) at
pthread_create.c:297
#4  0x00007fe86713382d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fe855b98710 (LWP 8704)):
[KCrash Handler]
#5  yuv444_to_yuy2_mmx (yuv_planes=0xdc9a90, yuy2_map=0x7fe848e65000 "",
pitch=<value optimized out>) at color.c:366
#6  0x00007fe84d02efda in rgb_decode_data (this_gen=<value optimized out>,
buf=<value optimized out>) at rgb.c:353
#7  0x00007fe86943b002 in video_decoder_loop (stream_gen=0xd02740) at
video_decoder.c:387
#8  0x00007fe868343a4f in start_thread (arg=0x7fe855b98710) at
pthread_create.c:297
#9  0x00007fe86713382d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fe8551ca710 (LWP 8705)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe869434a1b in fifo_buffer_get (fifo=0xd1d8f0) at buffer.c:230
#2  0x00007fe86943be6d in audio_decoder_loop (stream_gen=0xd02740) at
audio_decoder.c:67
#3  0x00007fe868343a4f in start_thread (arg=0x7fe8551ca710) at
pthread_create.c:297
#4  0x00007fe86713382d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe8549c9710 (LWP 8706)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe869445beb in xine_event_wait (queue_gen=0xd3f6d0) at events.c:56
#2  listener_loop (queue_gen=0xd3f6d0) at events.c:214
#3  0x00007fe868343a4f in start_thread (arg=0x7fe8549c9710) at
pthread_create.c:297
#4  0x00007fe86713382d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe849e65710 (LWP 8707)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe869434923 in buffer_pool_alloc (this=0xd03d70) at buffer.c:90
#2  0x00007fe85aa3b37d in demux_mng_send_chunk (this=0xdb59c0) at
demux_mng.c:179
#3  0x00007fe86944a487 in demux_loop (stream_gen=0xd02740) at demux.c:342
#4  0x00007fe868343a4f in start_thread (arg=0x7fe849e65710) at
pthread_create.c:297
#5  0x00007fe86713382d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe869ba0760 (LWP 8695)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x654238, decr=1) at
pthread_mutex_unlock.c:36
#1  0x00007fe866e4fbf4 in _xcb_conn_wait (c=0x654220, cond=<value optimized
out>, vector=0x7fffc96fa358, count=0x7fffc96fa354) at xcb_conn.c:303
#2  0x00007fe866e50169 in _xcb_out_send (c=0x654220, vector=0x7fffc96fa358,
count=0x7fffc96fa354) at xcb_out.c:338
#3  0x00007fe866e501f7 in xcb_writev (c=0x654220, vector=0x7fffc96fa3a0,
count=3, requests=2) at xcb_out.c:286
#4  0x00007fe8696ca776 in _XSend (dpy=0x64f670, data=<value optimized out>,
size=<value optimized out>) at xcb_io.c:339
#5  0x00007fe8696ca921 in _XEventsQueued (dpy=0x64f670, mode=<value optimized
out>) at xcb_io.c:260
#6  0x00007fe8696b37ef in XEventsQueued (dpy=0x64f670, mode=2) at Pending.c:44
#7  0x00007fe86792e418 in x11EventSourceDispatch (s=0x62c2d0, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:151
#8  0x00007fe8643eba93 in g_main_dispatch (context=0x62b120) at gmain.c:1960
#9  IA__g_main_context_dispatch (context=0x62b120) at gmain.c:2513
#10 0x00007fe8643ec270 in g_main_context_iterate (context=0x62b120, block=0,
dispatch=1, self=<value optimized out>) at gmain.c:2591
#11 0x00007fe8643ec510 in IA__g_main_context_iteration (context=0x62b120,
may_block=0) at gmain.c:2654
#12 0x00007fe8686e167f in QEventDispatcherGlib::processEvents (this=0x611fb0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#13 0x00007fe86792e14e in QGuiEventDispatcherGlib::processEvents (this=<value
optimized out>, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#14 0x00007fe8686bc9ef in QCoreApplication::processEvents (flags=...) at
kernel/qcoreapplication.cpp:918
#15 0x0000000000405131 in XineObject::customEvent (this=0x7fffc96fb5c0,
event=<value optimized out>) at
/usr/src/debug/kaffeine-1.0-pre3/src/backend-xine/xineapplication.cpp:564
#16 0x00007fe8686ca564 in QObject::event (this=0x7fffc96fb5c0, e=0xd40820) at
kernel/qobject.cpp:1279
#17 0x00007fe86788d4d4 in QApplicationPrivate::notify_helper (this=0x6284b0,
receiver=0x7fffc96fb5c0, e=0xd40820) at kernel/qapplication.cpp:4302
#18 0x00007fe867895aca in QApplication::notify (this=<value optimized out>,
receiver=0x7fffc96fb5c0, e=0xd40820) at kernel/qapplication.cpp:4185
#19 0x00007fe868f9bc06 in KApplication::notify (this=0x7fffc96fb690,
receiver=0x7fffc96fb5c0, event=0xd40820) at
/usr/src/debug/kdelibs-4.4.4/kdeui/kernel/kapplication.cpp:302
#20 0x00007fe8686b8e4c in QCoreApplication::notifyInternal
(this=0x7fffc96fb690, receiver=0x7fffc96fb5c0, event=0xd40820) at
kernel/qcoreapplication.cpp:726
#21 0x00007fe8686bc5ba in sendEvent (receiver=0x0, event_type=0, data=0x60c500)
at kernel/qcoreapplication.h:215
#22 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x60c500) at kernel/qcoreapplication.cpp:1367
#23 0x00007fe8686e1173 in sendPostedEvents (s=<value optimized out>) at
kernel/qcoreapplication.h:220
#24 postEventSourceDispatch (s=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:276
#25 0x00007fe8643eba93 in g_main_dispatch (context=0x62b120) at gmain.c:1960
#26 IA__g_main_context_dispatch (context=0x62b120) at gmain.c:2513
#27 0x00007fe8643ec270 in g_main_context_iterate (context=0x62b120, block=1,
dispatch=1, self=<value optimized out>) at gmain.c:2591
#28 0x00007fe8643ec510 in IA__g_main_context_iteration (context=0x62b120,
may_block=1) at gmain.c:2654
#29 0x00007fe8686e167f in QEventDispatcherGlib::processEvents (this=0x611fb0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#30 0x00007fe86792e14e in QGuiEventDispatcherGlib::processEvents (this=<value
optimized out>, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007fe8686b8292 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#32 0x00007fe8686b8495 in QEventLoop::exec (this=0x7fffc96fb4f0, flags=...) at
kernel/qeventloop.cpp:201
#33 0x00007fe8686bc88b in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1003
#34 0x00000000004068ba in main (argc=1, argv=0x7fffc96fb8b8) at
/usr/src/debug/kaffeine-1.0-pre3/src/backend-xine/xineapplication.cpp:947

Reported using DrKonqi

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