[Bug 753262] New: Leak in rsvg plugin

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=753262

            Bug ID: 753262
           Summary: Leak in rsvg plugin
    Classification: Platform
           Product: GStreamer
           Version: unspecified
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: carlosg at gnome.org
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Bug #748608 uncovered a few leaks, I found one to be in the rsvg plugin, patch
coming.

==1526== 48,518 (23,184 direct, 25,334 indirect) bytes in 69 blocks are
definitely lost in loss record 9,556 of 9,586
==1526==    at 0x4A06C50: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==1526==    by 0x5F7B689: g_malloc (gmem.c:97)
==1526==    by 0x5F924D2: g_slice_alloc (gslice.c:1007)
==1526==    by 0x5F92B6D: g_slice_alloc0 (gslice.c:1032)
==1526==    by 0x16E8E350: _new_output_state (gstvideodecoder.c:729)
==1526==    by 0x16E8E350: gst_video_decoder_set_output_state
(gstvideodecoder.c:3385)
==1526==    by 0x1A75092D: gst_rsvg_decode_image (gstrsvgdec.c:185)
==1526==    by 0x1A751041: gst_rsvg_dec_handle_frame (gstrsvgdec.c:342)
==1526==    by 0x16E85A65: gst_video_decoder_decode_frame
(gstvideodecoder.c:3317)
==1526==    by 0x16E8DCF1: gst_video_decoder_have_frame
(gstvideodecoder.c:3249)
==1526==    by 0x16E88A45: gst_video_decoder_parse_available
(gstvideodecoder.c:957)
==1526==    by 0x16E88BF3: gst_video_decoder_chain_forward
(gstvideodecoder.c:2115)
==1526==    by 0x16E8A7AF: gst_video_decoder_chain (gstvideodecoder.c:2411)
==1526==    by 0x16939CB0: gst_pad_chain_data_unchecked (gstpad.c:4038)
==1526==    by 0x1693B966: gst_pad_push_data (gstpad.c:4282)
==1526==    by 0x175A9E51: gst_type_find_element_loop
(gsttypefindelement.c:1127)
==1526==    by 0x1696A820: gst_task_func (gsttask.c:331)
==1526==    by 0x5F9D03D: g_thread_pool_thread_proxy (gthreadpool.c:307)
==1526==    by 0x5F9C6B4: g_thread_proxy (gthread.c:764)
==1526==    by 0x37D7807554: start_thread (pthread_create.c:333)
==1526==    by 0x37D7502B9C: clone (clone.S:109)

==1526== 639,120 (144 direct, 638,976 indirect) bytes in 1 blocks are
definitely lost in loss record 9,586 of 9,586
==1526==    at 0x4A06C50: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==1526==    by 0x5F7B689: g_malloc (gmem.c:97)
==1526==    by 0x5F924D2: g_slice_alloc (gslice.c:1007)
==1526==    by 0x168FFFEC: _sysmem_new (gstallocator.c:391)
==1526==    by 0x168FFFEC: gst_memory_new_wrapped (gstallocator.c:623)
==1526==    by 0x169097D9: gst_buffer_new_wrapped_full (gstbuffer.c:858)
==1526==    by 0x169098FE: gst_buffer_new_wrapped (gstbuffer.c:883)
==1526==    by 0x16BFFAC5: gst_adapter_get_buffer (gstadapter.c:960)
==1526==    by 0x16BFFB8F: gst_adapter_take_buffer (gstadapter.c:1020)
==1526==    by 0x16E8DA37: gst_video_decoder_add_to_frame
(gstvideodecoder.c:3144)
==1526==    by 0x1A750EDB: gst_rsvg_dec_parse (gstrsvgdec.c:329)
==1526==    by 0x16E88A45: gst_video_decoder_parse_available
(gstvideodecoder.c:957)
==1526==    by 0x16E88BF3: gst_video_decoder_chain_forward
(gstvideodecoder.c:2115)
==1526==    by 0x16E8A7AF: gst_video_decoder_chain (gstvideodecoder.c:2411)
==1526==    by 0x16939CB0: gst_pad_chain_data_unchecked (gstpad.c:4038)
==1526==    by 0x1693B966: gst_pad_push_data (gstpad.c:4282)
==1526==    by 0x175A9E51: gst_type_find_element_loop
(gsttypefindelement.c:1127)
==1526==    by 0x1696A820: gst_task_func (gsttask.c:331)
==1526==    by 0x5F9D03D: g_thread_pool_thread_proxy (gthreadpool.c:307)
==1526==    by 0x5F9C6B4: g_thread_proxy (gthread.c:764)
==1526==    by 0x37D7807554: start_thread (pthread_create.c:333)
==1526==    by 0x37D7502B9C: clone (clone.S:109)

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