From patchwork Wed Mar 25 23:04:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lance Wang X-Patchwork-Id: 18397 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 5807344AB0F for ; Thu, 26 Mar 2020 01:04:41 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 43B9F68B443; Thu, 26 Mar 2020 01:04:41 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pg1-f194.google.com (mail-pg1-f194.google.com [209.85.215.194]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id E7013689E39 for ; Thu, 26 Mar 2020 01:04:34 +0200 (EET) Received: by mail-pg1-f194.google.com with SMTP id 7so1913878pgr.2 for ; Wed, 25 Mar 2020 16:04:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=WwkStewwHcKxA2MIxrHwVccNjK61NTJeoPBc7exwEKw=; b=l8hlkUtdt3qEAM17LX800K1qiFDrijwzw7Vcr1+01KeVdDe1fBNuEUaYgUCvvzNDaR J44Zb5xjSmRERfHzXMnWaRUS2Bp6EoybN9SBMkHxN0KYAveTpGs8QqutCzVUcRzBQrVI 7yPjh1shSnvZ/Lnt/ytN+GNbBQ+d41kcx7rvHR/IJ9d0zVNXU/LJ9rFHqG0NZ0GR7ax7 BunJ3goRCFB3PIAzbOcXXFVfpi0m68bYkEW97OHvy1q2MGT6OkPCPGP2o075PZ6jvlK1 SuE5VPoAdzXvYAvqOqFkzW1/GC/BXAdP9WkW2dxORGh4blcGHHVvdLGpN6ZGpTQQbPnU FFPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=WwkStewwHcKxA2MIxrHwVccNjK61NTJeoPBc7exwEKw=; b=ruNk1/Dvk34pIChMBIW6WLHaYXkzFYjTIayXwBVOD+D8HW9APSXiOAXJ4sCt6+7Kpg qI0/pK9M+IBa0RIp9DgQtW46bqn3ni2xNGzqB9zqTPb91K20ZmYP2fF9Rowbt70q0ku9 V1iAQ9ddtWRJpH0R8um3jYmkKe4evxUeW6Gh5ICUyvKwhunM74wTJ4w2diLurNk8cEap ddMRjmuMCWTyNVssvTx8D3f7AnWzQrlABwM2Tg8C4Bz85AFb2ZJL6yyZQGLDjxttxRZD WUgiqyRQUmSJ1eD3JbzrfgfO725BVdx5S9F0WkV74XbTH6OfP09UbJmzPrjtgFNVmUEX G+dw== X-Gm-Message-State: ANhLgQ3F9my+B/cpZZaHtxPyVYrhdTQIovyJTGCr2yO0HHy9mAQaqpPy kM8TbTIlHzGCOGF2L7CvKXvOLM3G X-Google-Smtp-Source: ADFU+vs/+AibV4jKhrHcuSHTTnlnXGX3cxaE+08O4LNS/H4eQnVbIZe3YVl0LsaNGhv6tgxFbSOJFg== X-Received: by 2002:a63:215a:: with SMTP id s26mr5435357pgm.339.1585177472730; Wed, 25 Mar 2020 16:04:32 -0700 (PDT) Received: from vpn.localdomain ([47.90.99.151]) by smtp.gmail.com with ESMTPSA id u3sm250893pjv.32.2020.03.25.16.04.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 25 Mar 2020 16:04:32 -0700 (PDT) From: lance.lmwang@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Thu, 26 Mar 2020 07:04:24 +0800 Message-Id: <20200325230424.2787-3-lance.lmwang@gmail.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20200325230424.2787-1-lance.lmwang@gmail.com> References: <20200325230424.2787-1-lance.lmwang@gmail.com> Subject: [FFmpeg-devel] [PATCH v1 3/3] avfilter/af_adelay: Check sscanf() return value 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 Cc: Limin Wang MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Limin Wang Signed-off-by: Limin Wang --- libavfilter/af_adelay.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavfilter/af_adelay.c b/libavfilter/af_adelay.c index c9647771f2..7f498ba190 100644 --- a/libavfilter/af_adelay.c +++ b/libavfilter/af_adelay.c @@ -155,7 +155,8 @@ static int config_input(AVFilterLink *inlink) ret = av_sscanf(arg, "%d%c", &d->delay, &type); if (ret != 2 || type != 'S') { div = type == 's' ? 1.0 : 1000.0; - av_sscanf(arg, "%f", &delay); + if (av_sscanf(arg, "%f", &delay) != 1) + return AVERROR(EINVAL); d->delay = delay * inlink->sample_rate / div; }