From 60178e78f2fe9a7bfb9da0abc985835e2ebfd2f1 Mon Sep 17 00:00:00 2001 From: Andreas Cadhalpun Date: Sun, 30 Oct 2016 21:18:20 +0100 Subject: [PATCH] interplayacm: increase bitstream buffer size by AV_INPUT_BUFFER_PADDING_SIZE This fixes out-of-bounds reads by the bitstream reader. Reviewed-by: Paul B Mahol Signed-off-by: Andreas Cadhalpun --- libavcodec/interplayacm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/interplayacm.c b/libavcodec/interplayacm.c index 032053103a..c897e72bb6 100644 --- a/libavcodec/interplayacm.c +++ b/libavcodec/interplayacm.c @@ -77,7 +77,7 @@ static av_cold int decode_init(AVCodecContext *avctx) s->block = av_calloc(s->block_len, sizeof(int)); s->wrapbuf = av_calloc(s->wrapbuf_len, sizeof(int)); s->ampbuf = av_calloc(0x10000, sizeof(int)); - s->bitstream = av_calloc(s->max_framesize, sizeof(*s->bitstream)); + s->bitstream = av_calloc(s->max_framesize + AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*s->bitstream) + 1, sizeof(*s->bitstream)); if (!s->block || !s->wrapbuf || !s->ampbuf || !s->bitstream) return AVERROR(ENOMEM);