From 68fd077f68bdde864bb7328d72a040849c616261 Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Wed, 21 Mar 2012 10:39:10 -0700 Subject: [PATCH] indeo4: fix out-of-bounds function call. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org Signed-off-by: Kostya Shishkov --- libavcodec/indeo4.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c index 573718e374..3e8a3988d6 100644 --- a/libavcodec/indeo4.c +++ b/libavcodec/indeo4.c @@ -372,7 +372,8 @@ static int decode_band_hdr(IVI4DecContext *ctx, IVIBandDesc *band, if (!get_bits1(&ctx->gb) || ctx->frame_type == FRAMETYPE_INTRA) { transform_id = get_bits(&ctx->gb, 5); - if (!transforms[transform_id].inv_trans) { + if (transform_id >= FF_ARRAY_ELEMS(transforms) || + !transforms[transform_id].inv_trans) { av_log_ask_for_sample(avctx, "Unimplemented transform: %d!\n", transform_id); return AVERROR_PATCHWELCOME; }