ffmpeg | branch: master | Andreas Cadhalpun <andreas.cadhal...@googlemail.com> | Wed Feb 3 00:55:18 2016 +0100| [916da13d6dac8b0d3e8f7b1cb87fa37801cee3f8] | committer: Andreas Cadhalpun
cfhd: fix off-by-one error in level check This fixes out-of-bounds writes causing segmentation faults. Found-by: Piotr Bandurski <ami_st...@o2.pl> Reviewed-by: Kieran Kunhya <kier...@obe.tv> Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=916da13d6dac8b0d3e8f7b1cb87fa37801cee3f8 --- libavcodec/cfhd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cfhd.c b/libavcodec/cfhd.c index 410bb7b..2436aae 100644 --- a/libavcodec/cfhd.c +++ b/libavcodec/cfhd.c @@ -280,7 +280,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame, s->level++; av_log(avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data); s->subband_num = data; - if (s->level > DWT_LEVELS) { + if (s->level >= DWT_LEVELS) { av_log(avctx, AV_LOG_ERROR, "Invalid level\n"); ret = AVERROR(EINVAL); break; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
