From 89d998f1c1eddac3a1256e28ac00ccfdf4d3edd1 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 7 May 2013 19:57:10 +0200 Subject: [PATCH] shorten: allocate space for padding Fixes array overread Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/shorten.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c index 1d3b6eb1bb..23c5d7cf9b 100644 --- a/libavcodec/shorten.c +++ b/libavcodec/shorten.c @@ -424,7 +424,7 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data, void *tmp_ptr; s->max_framesize = 8192; // should hopefully be enough for the first header tmp_ptr = av_fast_realloc(s->bitstream, &s->allocated_bitstream_size, - s->max_framesize); + s->max_framesize + FF_INPUT_BUFFER_PADDING_SIZE); if (!tmp_ptr) { av_log(avctx, AV_LOG_ERROR, "error allocating bitstream buffer\n"); return AVERROR(ENOMEM);