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wavparse: clip chunk size above the valid maximum (0x7fffffff)

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=722567
This commit is contained in:
Vincent Penquerc'h 2015-03-20 12:18:37 +00:00
parent 3ac119bbe2
commit 8cfebfec8c
1 changed files with 6 additions and 0 deletions
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6
gst/wavparse/gstwavparse.c
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@ -1264,6 +1264,12 @@ gst_wavparse_stream_headers (GstWavParse * wav)
"Got TAG: %" GST_FOURCC_FORMAT ", offset %" G_GUINT64_FORMAT ", size %" "Got TAG: %" GST_FOURCC_FORMAT ", offset %" G_GUINT64_FORMAT ", size %"
G_GUINT32_FORMAT, GST_FOURCC_ARGS (tag), wav->offset, size); G_GUINT32_FORMAT, GST_FOURCC_ARGS (tag), wav->offset, size);
/* Maximum valid size is INT_MAX */
if (size & 0x80000000) {
GST_WARNING_OBJECT (wav, "Invalid size, clipping to 0x7fffffff");
size = 0x7fffffff;
}
/* Clip to upstream size if known */ /* Clip to upstream size if known */
if (wav->datasize > 0 && size + wav->offset > wav->datasize) { if (wav->datasize > 0 && size + wav->offset > wav->datasize) {
GST_WARNING_OBJECT (wav, "Clipping chunk size to file size"); GST_WARNING_OBJECT (wav, "Clipping chunk size to file size");