[gstreamer-bugs] [Bug 583999] Segfault after adding elements to a pipeline

GStreamer (bugzilla.gnome.org) bugzilla-daemon at bugzilla.gnome.org
Sun May 31 08:54:28 PDT 2009 

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  GStreamer | gstreamer (core) | Ver: git

Tim-Philipp Müller changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |t.i.m at zen.co.uk
           Severity|normal                      |critical
             Status|UNCONFIRMED                 |NEW
          Component|don't know                  |gstreamer (core)
     Ever Confirmed|0                           |1
           Priority|Normal                      |High




------- Comment #2 from Tim-Philipp Müller  2009-05-31 15:54 UTC -------
Looks like a caps refcount bug somewhere. Hard to say where though. Would be
nice if you could try to reduce the complexity of the test case a bit.

Moving to core for now. Stacktrace (interesting threads only):

Thread 6 (Thread 0x7fc750f26950 (LWP 14260)):
#0  0x00007fc757980065 in *__GI_raise (sig=<value optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007fc757983153 in *__GI_abort () at abort.c:88
#2  0x00007fc756df80de in IA__g_logv (log_domain=0x7fc75473b298 "GStreamer",
log_level=G_LOG_LEVEL_CRITICAL, format=0x7fc756e2e80d "%s: assertion `%s'
failed", args1=0x7fc750f25080)
    at /tmp/cdt.XX50MgKl/build-area/glib2.0-2.20.1/glib/gmessages.c:506
#3  0x00007fc756df8163 in IA__g_log (log_domain=0x37ac <Address 0x37ac out of
bounds>, log_level=14260, format=0x6 <Address 0x6 out of bounds>)
    at /tmp/cdt.XX50MgKl/build-area/glib2.0-2.20.1/glib/gmessages.c:526
---Type <return> to continue, or q <return> to quit---
#4  0x00007fc7546d522d in gst_caps_is_fixed (caps=0x255f000) at gstcaps.c:976
#5  0x00007fc7546d6d8a in gst_caps_is_equal (caps1=0x2574700, caps2=0x255f000)
at gstcaps.c:1097
#6  0x00007fc7546f6b6c in gst_pad_accept_caps (pad=0x25677e0, caps=0x2574700)
at gstpad.c:2434
#7  0x00007fc7546f6ce9 in gst_pad_configure_sink (pad=0x37ac, caps=0x37b4) at
gstpad.c:2593
#8  0x00007fc7546f705b in gst_pad_chain_data_unchecked (pad=0x25677e0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4043
#9  0x00007fc7546f7946 in gst_pad_push_data (pad=0x2567660, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#10 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#11 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25674e0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#12 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2567360, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#13 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#14 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25671e0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#15 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2567060, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#16 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#17 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x2563dc0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#18 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2563c40, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#19 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#20 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x2563ac0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#21 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2563940, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#22 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#23 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25637c0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#24 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2563640, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#25 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#26 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25634c0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#27 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2563340, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#28 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#29 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25631c0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#30 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2563040, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#31 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#32 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x2562db0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#33 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2562c30, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#34 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#35 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x2562ab0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#36 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2562930, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#37 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#38 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25627b0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#39 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2562630, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#40 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#41 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25624b0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#42 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2562330, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#43 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#44 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25621b0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#45 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2562030, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#46 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#47 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x2548e00,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#48 0x00007fc7546f7946 in gst_pad_push_data (pad=0x2548c80, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#49 0x00007fc752730d0d in gst_queue_loop (pad=<value optimized out>) at
gstqueue2.c:1453
#50 0x00007fc75471a486 in gst_task_func (task=0x254c490) at gsttask.c:234

...

Thread 3 (Thread 0x7fc751f28950 (LWP 14257)):
#0  gst_base_transform_handle_buffer (trans=0x25416a0, inbuf=0x7fc74c38d090,
outbuf=0x7fc751f277d8) at gstbasetransform.c:1803
#1  0x00007fc754992f46 in gst_base_transform_chain (pad=0x25427c0,
buffer=0x7fc74c38d090) at gstbasetransform.c:2018
#2  0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25427c0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#3  0x00007fc7546f7946 in gst_pad_push_data (pad=0x2542640, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#4  0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#5  0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25424c0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#6  0x00007fc7546f7946 in gst_pad_push_data (pad=0x2542340, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#7  0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#8  0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x25421c0,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#9  0x00007fc7546f7946 in gst_pad_push_data (pad=0x2542040, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#10 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#11 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x252ee30,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#12 0x00007fc7546f7946 in gst_pad_push_data (pad=0x252ecb0, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#13 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#14 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x252eb30,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
---Type <return> to continue, or q <return> to quit---
#15 0x00007fc7546f7946 in gst_pad_push_data (pad=0x252e9b0, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#16 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#17 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x252e830,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#18 0x00007fc7546f7946 in gst_pad_push_data (pad=0x252e6b0, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#19 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#20 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x252e530,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#21 0x00007fc7546f7946 in gst_pad_push_data (pad=0x252e3b0, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#22 0x00007fc754992fa2 in gst_base_transform_chain (pad=<value optimized out>,
buffer=0x7fc74c38d090) at gstbasetransform.c:2038
#23 0x00007fc7546f6f6b in gst_pad_chain_data_unchecked (pad=0x252e230,
is_buffer=1, data=0x7fc74c38d090) at gstpad.c:4061
#24 0x00007fc7546f7946 in gst_pad_push_data (pad=0x252e0b0, is_buffer=1,
data=0x7fc74c38d090) at gstpad.c:4291
#25 0x00007fc752730d0d in gst_queue_loop (pad=<value optimized out>) at
gstqueue2.c:1453
#26 0x00007fc75471a486 in gst_task_func (task=0x254c290) at gsttask.c:234
#27 0x00007fc756e18ad7 in g_thread_pool_thread_proxy (data=<value optimized
out>) at /tmp/cdt.XX50MgKl/build-area/glib2.0-2.2


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