From patchwork Sun May 28 19:19:23 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 3751 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.10.2 with SMTP id 2csp1161720vsk; Sun, 28 May 2017 12:19:45 -0700 (PDT) X-Received: by 10.28.23.9 with SMTP id 9mr7633549wmx.108.1495999185636; Sun, 28 May 2017 12:19:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1495999185; cv=none; d=google.com; s=arc-20160816; b=rkNqHoPNRCMofuRYJ0lP5qipG3SDpncao4WkcpcNCrBKChjK8RnZ9Es/UhtZ0qz2Nd R8ryU4HKn53r3fG5qVT0LC9noRInRkKvNaAY/DKOHiTqgkTJPcu3Cr7jewOh+vLrJTJt 9I07NuXslYaL9/j6N8riXvce/GwC15KH2P0DgDAhWgcfBW+7BzT7WE+XDYze6tWkufg6 F1IwrHl61UDaaOluPhD55nB2xKlCVPWwPE+3ToTKHbqRmXvbg6jDcDayR9VsH4eK4vQH PjtfCTmwuFg5Q3X1fb3UvCy613ZPb35O8y9HIXuh1y8XjJt4KQkTYiLEaeQLu2tq1rid 7oHw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:message-id:date:to:from:delivered-to :arc-authentication-results; bh=Vu6AEwU0JETNn16PTiaL0KE28knOt3/bYk5xzbBcbS4=; b=dttEn5+lLVRPeYSFl5t2tto/pmICmfr1Sl7hU5zFGdw2/EJv2HPHEi5Rc7FbFF3Gfy gYkV6BS0AdC0BGvhmfjYjW2w9jU0uY55ON4+Jq01ZZs825mAI+jH61ZYL4BdLz5ic567 o+O7LTGoFRECK6WOPQL5xiIHB8gz9yPDnts0pNhUYRMQ0VVzdPl+sBmYRRekaxGOEy1f E3axm+YQp7qbYgoq76OvcYsIFSc9BJ4a3iR10gRKCGIxUUAxe1qzNHRpJZCoOV0Ja5Aw n3Qwglnvo9SI5atQ+CbKC3n01s7IO0ljx7eOrLqKYnCvwQAt0p4CDwnGjU5t4rS/NKpD DJaw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id v192si9891751wmf.137.2017.05.28.12.19.45; Sun, 28 May 2017 12:19:45 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B8CA6688337; Sun, 28 May 2017 22:19:38 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe05-1.mx.upcmail.net (vie01a-dmta-pe07-3.mx.upcmail.net [84.116.36.19]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 85DDE680957 for ; Sun, 28 May 2017 22:19:31 +0300 (EEST) Received: from [172.31.216.43] (helo=vie01a-pemc-psmtp-pe01) by vie01a-dmta-pe07.mx.upcmail.net with esmtp (Exim 4.88) (envelope-from ) id 1dF3iw-0002Zs-8K for ffmpeg-devel@ffmpeg.org; Sun, 28 May 2017 21:19:34 +0200 Received: from localhost ([213.47.41.20]) by vie01a-pemc-psmtp-pe01 with SMTP @ mailcloud.upcmail.net id RvKP1v01L0S5wYM01vKRsY; Sun, 28 May 2017 21:19:25 +0200 X-SourceIP: 213.47.41.20 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 28 May 2017 21:19:23 +0200 Message-Id: <20170528191923.25104-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.13.0 Subject: [FFmpeg-devel] [PATCH] avcodec/aacsbr: Fix libavcodec/aacsbr.c:257:59: runtime error: division by zero X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Fixes: 1882/clusterfuzz-testcase-minimized-5539735650959360 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/aacsbr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c index 15956e3f05..1d2a8d472d 100644 --- a/libavcodec/aacsbr.c +++ b/libavcodec/aacsbr.c @@ -241,6 +241,7 @@ static void sbr_gain_calc(AACContext *ac, SpectralBandReplication *sbr, ((1.0f + sbr->e_curr[e][m]) * (1.0f + sbr->q_mapped[e][m]))); } + sbr->gain[e][m] += FLT_MIN; } for (m = sbr->f_tablelim[k] - sbr->kx[1]; m < sbr->f_tablelim[k + 1] - sbr->kx[1]; m++) { sum[0] += sbr->e_origmapped[e][m];