[Bug 777525] New: floating point exception in gst_riff_create_audio_caps (different than #777262)

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=777525

            Bug ID: 777525
           Summary: floating point exception in gst_riff_create_audio_caps
                    (different than #777262)
    Classification: Platform
           Product: GStreamer
           Version: unspecified
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: hanno at hboeck.de
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 343888
  --> https://bugzilla.gnome.org/attachment.cgi?id=343888&action=edit
poc file

This looks very similar to
https://bugzilla.gnome.org/show_bug.cgi?id=777262
but it still happens after the fix for the above bug.

Found with afl.

==19886==ERROR: AddressSanitizer: FPE on unknown address 0x7f866bc99e64 (pc
0x7f866bc99e64 bp 0x7f866b53ec20 sp 0x7f866b53ea80 T2)
    #0 0x7f866bc99e63 in gst_riff_create_audio_caps
/f/gstreamer/gst-plugins-base/gst-libs/gst/riff/riff-media.c:1302:26
    #1 0x7f866befbbc6 in gst_asf_demux_add_audio_stream
/f/gstreamer/gst-plugins-ugly/gst/asfdemux/gstasfdemux.c:2681:10
    #2 0x7f866befbbc6 in gst_asf_demux_parse_stream_object
/f/gstreamer/gst-plugins-ugly/gst/asfdemux/gstasfdemux.c:3036
    #3 0x7f866beeb3fd in gst_asf_demux_process_object
/f/gstreamer/gst-plugins-ugly/gst/asfdemux/gstasfdemux.c:4414:7
    #4 0x7f866bef0226 in gst_asf_demux_process_header
/f/gstreamer/gst-plugins-ugly/gst/asfdemux/gstasfdemux.c:3638:11
    #5 0x7f866bef0226 in gst_asf_demux_process_object
/f/gstreamer/gst-plugins-ugly/gst/asfdemux/gstasfdemux.c:4421
    #6 0x7f866bedd682 in gst_asf_demux_pull_headers
/f/gstreamer/gst-plugins-ugly/gst/asfdemux/gstasfdemux.c:1229:10
    #7 0x7f866bedd682 in gst_asf_demux_loop
/f/gstreamer/gst-plugins-ugly/gst/asfdemux/gstasfdemux.c:1984
    #8 0x7f867915f883 in gst_task_func
/f/gstreamer/gstreamer/gst/gsttask.c:334:5
    #9 0x7f867835cb2d in g_thread_pool_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthreadpool.c:307
    #10 0x7f867835c154 in g_thread_proxy
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthread.c:784
    #11 0x7f8677dda453 in start_thread (/lib64/libpthread.so.0+0x7453)
    #12 0x7f867790a5dc in clone (/lib64/libc.so.6+0xe75dc)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: FPE
/f/gstreamer/gst-plugins-base/gst-libs/gst/riff/riff-media.c:1302:26 in
gst_riff_create_audio_caps
Thread T2 (asfdemux0:sink) created by T1 (typefind:sink) here:
    #0 0x42df2d in __interceptor_pthread_create
(/usr/bin/gst-discoverer-1.0+0x42df2d)
    #1 0x7f86783791bf in g_system_thread_new
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthread-posix.c:1170

Thread T1 (typefind:sink) created by T0 here:
    #0 0x42df2d in __interceptor_pthread_create
(/usr/bin/gst-discoverer-1.0+0x42df2d)
    #1 0x7f86783791bf in g_system_thread_new
/var/tmp/portage/dev-libs/glib-2.50.2/work/glib-2.50.2/glib/gthread-posix.c:1170

==19886==ABORTING

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