From 1c1449b548a2a0bf0295a522051b04107286653c Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Tue, 27 Sep 2011 22:15:31 +0000 Subject: [PATCH] wmavoice: Check for out of bound writes Signed-off-by: Janne Grunau --- libavcodec/wmavoice.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/wmavoice.c b/libavcodec/wmavoice.c index c6e6e76..484720e 100644 --- a/libavcodec/wmavoice.c +++ b/libavcodec/wmavoice.c @@ -1880,6 +1880,8 @@ static void copy_bits(PutBitContext *pb, rmn_bits = rmn_bytes = get_bits_left(gb); if (rmn_bits < nbits) return; + if (nbits > pb->size_in_bits - put_bits_count(pb)) + return; rmn_bits &= 7; rmn_bytes >>= 3; if ((rmn_bits = FFMIN(rmn_bits, nbits)) > 0) put_bits(pb, rmn_bits, get_bits(gb, rmn_bits)); -- 2.7.4