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qtdemux: Add out-of-bound check

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Make sure we don't read invalid memory
This commit is contained in:
Edward Hervey 2017-04-12 11:03:24 +02:00 committed by Edward Hervey
parent 9ac3861a9b
commit 26f9869668
1 changed files with 10 additions and 2 deletions
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12
gst/isomp4/qtdemux.c
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@ -7964,8 +7964,16 @@ gst_qtdemux_stream_check_and_change_stsd_index (GstQTDemux * demux,
GST_DEBUG_OBJECT (stream->pad, "Changing stsd index from '%u' to '%u'", GST_DEBUG_OBJECT (stream->pad, "Changing stsd index from '%u' to '%u'",
stream->cur_stsd_entry_index, stream->stsd_sample_description_id); stream->cur_stsd_entry_index, stream->stsd_sample_description_id);
stream->cur_stsd_entry_index = stream->stsd_sample_description_id; if (G_UNLIKELY (stream->stsd_sample_description_id >=
stream->new_caps = TRUE; stream->stsd_entries_length)) {
GST_ELEMENT_ERROR (demux, STREAM, DEMUX,
(_("This file is invalid and cannot be played.")),
("New sample description id is out of bounds (%d >= %d)",
stream->stsd_sample_description_id, stream->stsd_entries_length));
} else {
stream->cur_stsd_entry_index = stream->stsd_sample_description_id;
stream->new_caps = TRUE;
}
} }
static gboolean static gboolean