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wmaprodec: Fix null pointer dereference in decode_frame()

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-04 16:49:47 +02:00
parent e9e207ece7
commit c7a7605656
1 changed files with 2 additions and 1 deletions
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libavcodec/wmaprodec.c
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@ -1581,6 +1581,7 @@ static int decode_packet(AVCodecContext *avctx, void *data,
(frame_size = show_bits(gb, s->log2_frame_size)) &&
frame_size <= remaining_bits(s, gb)) {
save_bits(s, gb, frame_size, 0);
if (!s->packet_loss)
s->packet_done = !decode_frame(s, data, got_frame_ptr);
} else if (!s->len_prefix
&& s->num_saved_bits > get_bits_count(&s->gb)) {