From patchwork Sun Jun 6 13:47:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 28115 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a6b:b214:0:0:0:0:0 with SMTP id b20csp2718882iof; Sun, 6 Jun 2021 06:54:13 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwsskn5z61ErRCBWihOxi85pladaV8gVazmVzFILZXJp18mIY7GS/cD2XPDET1x/WruZ7eM X-Received: by 2002:a17:906:6d97:: with SMTP id h23mr13478451ejt.467.1622987653684; Sun, 06 Jun 2021 06:54:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1622987653; cv=none; d=google.com; s=arc-20160816; b=hpuimTsD0AdK7jSsgwM//seNYd+/cK+6yy2sOA5zdw8GSSxnetE8AkU5CeQjT8q5SM E/BjHc42P39zoNlfusFhYSg0GP2AMAUIC0jERznmGDaaMuBxy/I8p0SeEq9b0DnfCXhZ Vv1Bbj95DA54PNFTV69qxbL000jDch0E4kzMY5s8qn4MINq/wjK+UESsg5DJeNBKTmD5 BeECi/5YYetzkpJzHx/FSYCiYIInn88ci+j32zKG92DxZXPIEfwZyNfioPPFQqQ4ti9w 2c/EJw1ZujsnHWQiiglBICgRtYNEQXsVg3sA7D9uqlj3E8hdZHBYNXuh2Il9gmEbs89C li0w== 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:references:in-reply-to:message-id:date :to:from:delivered-to; bh=xhg+Avv6KVR0pJTRZGiKUKWGhEnuYO/r7ncFvTE1nDU=; b=s+KbckFXeQbiNxUWKGCLMq9/1UydVaLSYbuiBkqbaKGy3DJKqAAwiyjZv6EXw685nJ gdds5ToveLXDY6ie/MQ5t/lT6UDHyT2whzUCo9r8ldmJo7sd6kFyAU0bRSKARW2dC2gq rPzvN0Ueyudw39xkKBTgFbyZiHFBc/gteBIuWwHiWUS2fKsov/Sajkg32a4MISW3gT+z 0GeXuxsBGiV2yCFkoql2sD4uX76xxbaoLpNtSs+g5vPBx2R15Tlm5O145p9o5V9kVnjj MmACMwSoIkhDMI30U3ITliLOtlBw9ob3aNpCxA5Piauc4pddUaST7znN10It6lNmQ3Kk SvXA== 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 b15si10826130ejl.351.2021.06.06.06.54.13; Sun, 06 Jun 2021 06:54:13 -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 9FAE968A771; Sun, 6 Jun 2021 16:54:10 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe03-3.mx.upcmail.net (vie01a-dmta-pe03-3.mx.upcmail.net [62.179.121.162]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 5C98F6883D3 for ; Sun, 6 Jun 2021 16:54:03 +0300 (EEST) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe03.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1lpt98-007Pu9-1W for ffmpeg-devel@ffmpeg.org; Sun, 06 Jun 2021 15:48:58 +0200 Received: from localhost ([213.47.68.29]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id pt89lYUjgljeHpt89lkgOa; Sun, 06 Jun 2021 15:47:58 +0200 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.68.29 X-CNFS-Analysis: v=2.3 cv=BoHjPrf5 c=1 sm=1 tr=0 a=2hcxjKEKjp0CzLx6oWAm4g==:117 a=2hcxjKEKjp0CzLx6oWAm4g==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=ZZnuYtJkoWoA:10 a=TY6tqG9Da4_a_vna3FYA:9 a=pHzHmUro8NiASowvMSCR:22 a=Ew2E2A-JSTLzCXPT_086:22 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 6 Jun 2021 15:47:55 +0200 Message-Id: <20210606134757.18919-3-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210606134757.18919-1-michael@niedermayer.cc> References: <20210606134757.18919-1-michael@niedermayer.cc> X-CMAE-Envelope: MS4wfDa17lGcx04/olBunAzprRIRZdN8Bv+0woCy7t5JDAEJX/Zkipt9X3mSbnkQGzZpa0+cM+hgBROICrcs9Ltshey8lbLgqGbk0yJY9p1YxIJDasEqlHzc UZp6bP4NH0jDbsb/sZS/p8NgyzuW0p9MCrUQyTkTUCOFtswzTfRSOL1V Subject: [FFmpeg-devel] [PATCH 3/5] avfilter/vf_mestimate: Check b_count X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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" X-TUID: cYcnzgLdzAks Fixes: left shift of negative value -1 Fixes: Ticket8270 Signed-off-by: Michael Niedermayer --- libavfilter/vf_mestimate.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavfilter/vf_mestimate.c b/libavfilter/vf_mestimate.c index daf7fde95f..f1935244c1 100644 --- a/libavfilter/vf_mestimate.c +++ b/libavfilter/vf_mestimate.c @@ -100,6 +100,9 @@ static int config_input(AVFilterLink *inlink) s->b_height = inlink->h >> s->log2_mb_size; s->b_count = s->b_width * s->b_height; + if (s->b_count == 0) + return AVERROR(EINVAL); + for (i = 0; i < 3; i++) { s->mv_table[i] = av_mallocz_array(s->b_count, sizeof(*s->mv_table[0])); if (!s->mv_table[i])