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bufferlist: Add check for overflow

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Edward Hervey 2020-03-18 11:10:13 +01:00 committed by Edward Hervey
parent 5318a03888
commit 1e9dcac0fb
1 changed files with 3 additions and 0 deletions
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3
gst/gstbufferlist.c
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@ -436,6 +436,9 @@ gst_buffer_list_insert (GstBufferList * list, gint idx, GstBuffer * buffer)
want_alloc = list->n_buffers + 1; want_alloc = list->n_buffers + 1;
if (want_alloc > list->n_allocated) { if (want_alloc > list->n_allocated) {
if (G_UNLIKELY (list->n_allocated > (G_MAXUINT / 2)))
g_error ("Growing GstBufferList would result in overflow");
want_alloc = MAX (GST_ROUND_UP_16 (want_alloc), list->n_allocated * 2); want_alloc = MAX (GST_ROUND_UP_16 (want_alloc), list->n_allocated * 2);
if (GST_BUFFER_LIST_IS_USING_DYNAMIC_ARRAY (list)) { if (GST_BUFFER_LIST_IS_USING_DYNAMIC_ARRAY (list)) {