From 43c462f6a4920b82aeb0a22bb6f9c334b9614f96 Mon Sep 17 00:00:00 2001 From: Daniel Kang Date: Sun, 9 Jan 2011 18:50:28 -0500 Subject: [PATCH] Check for invalid indeo sym value --- libavcodec/ivi_common.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c index b158458..81e01a7 100644 --- a/libavcodec/ivi_common.c +++ b/libavcodec/ivi_common.c @@ -404,8 +404,12 @@ int ff_ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile) hi = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1); val = IVI_TOSIGNED((hi << 6) | lo); /* merge them and convert into signed val */ } else { - run = rvmap->runtab[sym]; - val = rvmap->valtab[sym]; + if (sym < 0 || sym >= 256) + av_log(NULL, AV_LOG_ERROR, "Invalid sym encountered.\n"); + else { + run = rvmap->runtab[sym]; + val = rvmap->valtab[sym]; + } } /* de-zigzag and dequantize */ -- 1.7.2.2