[Bug 775888] New: flxdec: memory leaks in gst_flxdec_chain

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=775888

            Bug ID: 775888
           Summary: flxdec: memory leaks in gst_flxdec_chain
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: hanno at hboeck.de
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

This file causes a memleak with G_SLICE=always-malloc :
samples.mplayerhq.hu/ffmpeg-bugs/roundup/issue2520/fli_invalid_framesize.fli

ASAN error:
==8809==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 544 byte(s) in 2 object(s) allocated from:
    #0 0x4d4e38 in malloc (/usr/bin/gst-discoverer-1.0+0x4d4e38)
    #1 0x7f84a258bc98 in g_malloc
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gmem.c:94
    #2 0x7f84a25a3d7f in g_slice_alloc
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gslice.c:1025
    #3 0x7f84a31f2d3b in gst_buffer_new
/f/gstreamer/gstreamer/gst/gstbuffer.c:797:12
    #4 0x7f84a31f2d3b in gst_buffer_new_wrapped_full
/f/gstreamer/gstreamer/gst/gstbuffer.c:940
    #5 0x7f84a31f3016 in gst_buffer_new_wrapped
/f/gstreamer/gstreamer/gst/gstbuffer.c:966:10
    #6 0x7f84a37fbf32 in gst_adapter_get_buffer
/f/gstreamer/gstreamer/libs/gst/base/gstadapter.c:1013:12
    #7 0x7f84961202f1 in gst_flxdec_chain
/f/gstreamer/gst-plugins-good/gst/flx/gstflxdec.c:717:11
    #8 0x7f84a32e64c7 in gst_pad_chain_data_unchecked
/f/gstreamer/gstreamer/gst/gstpad.c:4203:11
    #9 0x7f84a32e9c97 in gst_pad_push_data
/f/gstreamer/gstreamer/gst/gstpad.c:4455:9
    #10 0x7f84a32e930f in gst_pad_push
/f/gstreamer/gstreamer/gst/gstpad.c:4574:9
    #11 0x7f8497af9bb9 in gst_type_find_element_loop
/f/gstreamer/gstreamer/plugins/elements/gsttypefindelement.c:1180:11
    #12 0x7f84a33b0a03 in gst_task_func
/f/gstreamer/gstreamer/gst/gsttask.c:334:5
    #13 0x7f84a25ae857 in g_thread_pool_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthreadpool.c:307
    #14 0x7f84a25adec4 in g_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthread.c:784
    #15 0x7f84a202a453 in start_thread (/lib64/libpthread.so.0+0x7453)
    #16 0x7f84a1b5a5dc in clone (/lib64/libc.so.6+0xe75dc)

Indirect leak of 20224 byte(s) in 2 object(s) allocated from:
    #0 0x4d4e38 in malloc (/usr/bin/gst-discoverer-1.0+0x4d4e38)
    #1 0x7f84a258bc98 in g_malloc
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gmem.c:94
    #2 0x7f84a37fac06 in gst_adapter_get_internal
/f/gstreamer/gstreamer/libs/gst/base/gstadapter.c:737:12
    #3 0x7f84a37fbf27 in gst_adapter_get_buffer
/f/gstreamer/gstreamer/libs/gst/base/gstadapter.c:1011:10
    #4 0x7f84961202f1 in gst_flxdec_chain
/f/gstreamer/gst-plugins-good/gst/flx/gstflxdec.c:717:11
    #5 0x7f84a32e64c7 in gst_pad_chain_data_unchecked
/f/gstreamer/gstreamer/gst/gstpad.c:4203:11
    #6 0x7f84a32e9c97 in gst_pad_push_data
/f/gstreamer/gstreamer/gst/gstpad.c:4455:9
    #7 0x7f84a32e930f in gst_pad_push
/f/gstreamer/gstreamer/gst/gstpad.c:4574:9
    #8 0x7f8497af9bb9 in gst_type_find_element_loop
/f/gstreamer/gstreamer/plugins/elements/gsttypefindelement.c:1180:11
    #9 0x7f84a33b0a03 in gst_task_func
/f/gstreamer/gstreamer/gst/gsttask.c:334:5
    #10 0x7f84a25ae857 in g_thread_pool_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthreadpool.c:307
    #11 0x7f84a25adec4 in g_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthread.c:784
    #12 0x7f84a202a453 in start_thread (/lib64/libpthread.so.0+0x7453)
    #13 0x7f84a1b5a5dc in clone (/lib64/libc.so.6+0xe75dc)

Indirect leak of 288 byte(s) in 2 object(s) allocated from:
    #0 0x4d4e38 in malloc (/usr/bin/gst-discoverer-1.0+0x4d4e38)
    #1 0x7f84a258bc98 in g_malloc
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gmem.c:94
    #2 0x7f84a25a3d7f in g_slice_alloc
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gslice.c:1025
    #3 0x7f84a31cc8fa in _sysmem_new
/f/gstreamer/gstreamer/gst/gstallocator.c:393:9
    #4 0x7f84a31cc8fa in gst_memory_new_wrapped
/f/gstreamer/gstreamer/gst/gstallocator.c:643
    #5 0x7f84a31f2e74 in gst_buffer_new_wrapped_full
/f/gstreamer/gstreamer/gst/gstbuffer.c:942:7
    #6 0x7f84a31f3016 in gst_buffer_new_wrapped
/f/gstreamer/gstreamer/gst/gstbuffer.c:966:10
    #7 0x7f84a37fbf32 in gst_adapter_get_buffer
/f/gstreamer/gstreamer/libs/gst/base/gstadapter.c:1013:12
    #8 0x7f84961202f1 in gst_flxdec_chain
/f/gstreamer/gst-plugins-good/gst/flx/gstflxdec.c:717:11
    #9 0x7f84a32e64c7 in gst_pad_chain_data_unchecked
/f/gstreamer/gstreamer/gst/gstpad.c:4203:11
    #10 0x7f84a32e9c97 in gst_pad_push_data
/f/gstreamer/gstreamer/gst/gstpad.c:4455:9
    #11 0x7f84a32e930f in gst_pad_push
/f/gstreamer/gstreamer/gst/gstpad.c:4574:9
    #12 0x7f8497af9bb9 in gst_type_find_element_loop
/f/gstreamer/gstreamer/plugins/elements/gsttypefindelement.c:1180:11
    #13 0x7f84a33b0a03 in gst_task_func
/f/gstreamer/gstreamer/gst/gsttask.c:334:5
    #14 0x7f84a25ae857 in g_thread_pool_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthreadpool.c:307
    #15 0x7f84a25adec4 in g_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthread.c:784
    #16 0x7f84a202a453 in start_thread (/lib64/libpthread.so.0+0x7453)
    #17 0x7f84a1b5a5dc in clone (/lib64/libc.so.6+0xe75dc)

SUMMARY: AddressSanitizer: 21056 byte(s) leaked in 6 allocation(s).

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