[Bug 663465] pulsesink: memleak

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue Dec 13 03:58:40 PST 2011 

https://bugzilla.gnome.org/show_bug.cgi?id=663465
  GStreamer | gst-plugins-good | git

--- Comment #9 from Nicola <lists at svrinformatica.it> 2011-12-13 11:58:33 UTC ---
Vincent, please try this:

gst-launch pulsesrc ! pulsesink

on my system I have these valgrind report (only a leak seems caused by
gstreamer code):

==13086== 
==13086== HEAP SUMMARY:
==13086==     in use at exit: 568,849 bytes in 2,496 blocks
==13086==   total heap usage: 66,972 allocs, 64,476 frees, 27,813,295 bytes
allocated
==13086== 
==13086== Searching for pointers to 2,496 not-freed blocks
==13086== Checked 9,222,488 bytes
==13086== 
==13086== Thread 1:
==13086== 124 bytes in 1 blocks are definitely lost in loss record 1,827 of
1,968
==13086==    at 0x4C28F9F: malloc (vg_replace_malloc.c:236)
==13086==    by 0xA317564: ??? (in /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0)
==13086==    by 0xA31762A: ??? (in /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0)
==13086==    by 0xA3171CA: xcb_connect_to_display_with_auth_info (in
/usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0)
==13086==    by 0x9EA90ED: pa_client_conf_from_x11 (in
/usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so)
==13086==    by 0x9A2983E: pa_context_new_with_proplist (in
/usr/lib/x86_64-linux-gnu/libpulse.so.0.13.4)
==13086==    by 0x8F41544: gst_pulsemixer_ctrl_new (pulsemixerctrl.c:270)
==13086==    by 0x8F51B95: gst_pulsesrc_change_state (pulsesrc.c:1687)
==13086==    by 0x4E71E9B: gst_element_change_state (gstelement.c:2761)
==13086==    by 0x4E727F1: gst_element_set_state_func (gstelement.c:2717)
==13086==    by 0x4E5EEA9: gst_bin_change_state_func (gstbin.c:2209)
==13086==    by 0x4E71E9B: gst_element_change_state (gstelement.c:2761)
==13086==    by 0x4E727F1: gst_element_set_state_func (gstelement.c:2717)
==13086==    by 0x403AF1: main (gst-launch.c:1104)
==13086== 
==13086== 124 bytes in 1 blocks are definitely lost in loss record 1,828 of
1,968
==13086==    at 0x4C28F9F: malloc (vg_replace_malloc.c:236)
==13086==    by 0xA317564: ??? (in /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0)
==13086==    by 0xA31762A: ??? (in /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0)
==13086==    by 0xA3171CA: xcb_connect_to_display_with_auth_info (in
/usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0)
==13086==    by 0x9EA90ED: pa_client_conf_from_x11 (in
/usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so)
==13086==    by 0x9A2983E: pa_context_new_with_proplist (in
/usr/lib/x86_64-linux-gnu/libpulse.so.0.13.4)
==13086==    by 0x8F4643F: gst_pulseringbuffer_open_device (pulsesink.c:495)
==13086==    by 0x9166B63: gst_ring_buffer_open_device (gstringbuffer.c:662)
==13086==    by 0x917D8A4: gst_base_audio_sink_change_state
(gstbaseaudiosink.c:2146)
==13086==    by 0x8F4A370: gst_pulsesink_change_state (pulsesink.c:2977)
==13086==    by 0x4E71E9B: gst_element_change_state (gstelement.c:2761)
==13086==    by 0x4E727F1: gst_element_set_state_func (gstelement.c:2717)
==13086==    by 0x4E5EEA9: gst_bin_change_state_func (gstbin.c:2209)
==13086==    by 0x4E71E9B: gst_element_change_state (gstelement.c:2761)
==13086==    by 0x4E727F1: gst_element_set_state_func (gstelement.c:2717)
==13086==    by 0x403AF1: main (gst-launch.c:1104)
==13086== 
==13086== 124 bytes in 1 blocks are definitely lost in loss record 1,829 of
1,968
==13086==    at 0x4C28F9F: malloc (vg_replace_malloc.c:236)
==13086==    by 0xA317564: ??? (in /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0)
==13086==    by 0xA31762A: ??? (in /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0)
==13086==    by 0xA3171CA: xcb_connect_to_display_with_auth_info (in
/usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0)
==13086==    by 0x9EA90ED: pa_client_conf_from_x11 (in
/usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so)
==13086==    by 0x9A2983E: pa_context_new_with_proplist (in
/usr/lib/x86_64-linux-gnu/libpulse.so.0.13.4)
==13086==    by 0x8F4EF35: gst_pulsesrc_open (pulsesrc.c:1020)
==13086==    by 0x9166B63: gst_ring_buffer_open_device (gstringbuffer.c:662)
==13086==    by 0x918071B: gst_base_audio_src_change_state
(gstbaseaudiosrc.c:1088)
==13086==    by 0x4E71E9B: gst_element_change_state (gstelement.c:2761)
==13086==    by 0x4E727F1: gst_element_set_state_func (gstelement.c:2717)
==13086==    by 0x4E5EEA9: gst_bin_change_state_func (gstbin.c:2209)
==13086==    by 0x4E71E9B: gst_element_change_state (gstelement.c:2761)
==13086==    by 0x4E727F1: gst_element_set_state_func (gstelement.c:2717)
==13086==    by 0x403AF1: main (gst-launch.c:1104)
==13086== 
==13086== 36,208 (1,824 direct, 34,384 indirect) bytes in 12 blocks are
definitely lost in loss record 1,966 of 1,968
==13086==    at 0x4C28F9F: malloc (vg_replace_malloc.c:236)
==13086==    by 0x55BB682: g_malloc (in
/lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==13086==    by 0x55D0406: g_slice_alloc (in
/lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==13086==    by 0x55D06E5: g_slice_alloc0 (in
/lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==13086==    by 0x514BEF8: g_type_create_instance (in
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==13086==    by 0x4E84541: gst_mini_object_new (gstminiobject.c:217)
==13086==    by 0x4E5FDD0: gst_buffer_new (gstbuffer.c:503)
==13086==    by 0x4E5FE3C: gst_buffer_new_and_alloc (gstbuffer.c:533)
==13086==    by 0x917E69C: gst_base_audio_src_create (gstbaseaudiosrc.c:808)
==13086==    by 0x97EF107: gst_base_src_get_range (gstbasesrc.c:2188)
==13086==    by 0x97F03C2: gst_base_src_loop (gstbasesrc.c:2445)
==13086==    by 0x4EB6683: gst_task_func (gsttask.c:327)
==13086==    by 0x55DC7D7: ??? (in
/lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==13086==    by 0x55DA2B5: ??? (in
/lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==13086==    by 0x586DEFB: start_thread (pthread_create.c:304)
==13086==    by 0x5B6489C: clone (clone.S:112)
==13086== 
==13086== LEAK SUMMARY:
==13086==    definitely lost: 2,196 bytes in 15 blocks
==13086==    indirectly lost: 34,624 bytes in 28 blocks
==13086==      possibly lost: 0 bytes in 0 blocks
==13086==    still reachable: 42,968 bytes in 555 blocks
==13086==         suppressed: 489,061 bytes in 1,898 blocks

there is also a conditional jump or move and this error that seems specific to
pulseaudio:

==13086== 1 errors in context 1 of 6:
==13086== Thread 2:
==13086== Syscall param socketcall.sendto(msg) points to uninitialised byte(s)
==13086==    at 0x587567C: send (send.c:33)
==13086==    by 0x9E83144: pa_write (in
/usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so)
==13086==    by 0x9E8B68E: pa_iochannel_write (in
/usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so)
==13086==    by 0x9E9CD68: ??? (in
/usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so)
==13086==    by 0x9A3D70D: pa_mainloop_dispatch (in
/usr/lib/x86_64-linux-gnu/libpulse.so.0.13.4)
==13086==    by 0x9A3DAD4: pa_mainloop_iterate (in
/usr/lib/x86_64-linux-gnu/libpulse.so.0.13.4)
==13086==    by 0x9A3DB7F: pa_mainloop_run (in
/usr/lib/x86_64-linux-gnu/libpulse.so.0.13.4)
==13086==    by 0x9A4BFEE: ??? (in
/usr/lib/x86_64-linux-gnu/libpulse.so.0.13.4)
==13086==    by 0x9EAAC77: ??? (in
/usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so)
==13086==    by 0x586DEFB: start_thread (pthread_create.c:304)
==13086==    by 0x5B6489C: clone (clone.S:112)

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