From patchwork Wed Mar 25 23:04:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lance Wang X-Patchwork-Id: 18400 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 9C3ED44B72E for ; Thu, 26 Mar 2020 01:10:10 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 7A37168B411; Thu, 26 Mar 2020 01:10:10 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pl1-f193.google.com (mail-pl1-f193.google.com [209.85.214.193]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 51DDC68B034 for ; Thu, 26 Mar 2020 01:10:04 +0200 (EET) Received: by mail-pl1-f193.google.com with SMTP id b9so1395985pls.12 for ; Wed, 25 Mar 2020 16:10:04 -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; bh=17PR4mLtaNWa5ID00SKfoEIn/4yvVnUM5aHcoDfIADI=; b=Jaa73he5YYuw2iC7LsXf7rrrOvEyDtn+d55KVRZKNOfPqdTezAmhbRdhI7PutqAMko 2CJ/dhKtq0h9jt01VwdsCH2u25cdi9FC9Zefg/1T5vCAl3+jafNDiQ+GnsLosxlQhLvs mOr7O6p5RpXkFXqvVAtioD1CoeVwwE/O5uXYqe1SJbTNqQsv8EGqpv0fOsZ+4FyvJyL8 pUxQoWE5GTzWwD2SYj2c27cDEuiOk9EuSuQPZ1yPy9SbPncrF5QB1WVlCLULlsR264Jg 32a3dmHdZ6f6fKXPpZveUtfULlJXomRKKBqwapuBAVgYGmFUNb3aikbYX+EluQk5x0Tq FpyQ== 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; bh=17PR4mLtaNWa5ID00SKfoEIn/4yvVnUM5aHcoDfIADI=; b=S4XfncMUUf3ujYU164nFWJPvi4ZyhckKv4MqJEvp58/M4XBIj5MQcGs6TdbVIJ8ALq ccLiSMVzi7lnC8chQeLrakOOXyf6WZO9+h8t/V/4KYauo+wfSkw+uSIBiqo/VmaB7c7V MmNNzChWOxsUDP2X9+HerEHqzOhaqnC3g7LhWaRQZiDIWGfRn224RLyIv6Y2cjxH0Thw s/QbzFwXmZ6w/LGMuQpdf9WIWSKKyV6RFfUgHhiv1tCFzT1DiD9OHAWDVWy3Fk446jGf qcm0yB53FzlkyAINL3TVIeoNNSkzgmub1rW4WRvRIkN78DTzNNvGwK7EiAjwzzHUvuz4 9Iqg== X-Gm-Message-State: ANhLgQ3Rct8Fa5g8RNsJoCx2jGwRIL1bOTgGphx3/gxqOfFnUoHkCciN 46w/xJAhLkEbFEz8iGMtRfz9qebF X-Google-Smtp-Source: ADFU+vurDfWj4EmL2ZZu3VA25xwDldY+zmXz0cF1sDvUR90G3bjljNzvIbffKVLcLPnkOglk0juFpQ== X-Received: by 2002:a17:902:ec01:: with SMTP id l1mr5362612pld.151.1585177469876; Wed, 25 Mar 2020 16:04:29 -0700 (PDT) Received: from vpn.localdomain ([47.90.99.151]) by smtp.gmail.com with ESMTPSA id u3sm250893pjv.32.2020.03.25.16.04.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 25 Mar 2020 16:04:29 -0700 (PDT) From: lance.lmwang@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Thu, 26 Mar 2020 07:04:22 +0800 Message-Id: <20200325230424.2787-1-lance.lmwang@gmail.com> X-Mailer: git-send-email 2.9.5 Subject: [FFmpeg-devel] [PATCH v1 1/3] avfilter/af_acrossover: 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_acrossover.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavfilter/af_acrossover.c b/libavfilter/af_acrossover.c index 20d1d2bda9..c9404b95cd 100644 --- a/libavfilter/af_acrossover.c +++ b/libavfilter/af_acrossover.c @@ -98,7 +98,8 @@ static av_cold int init(AVFilterContext *ctx) p = NULL; - av_sscanf(arg, "%f", &freq); + if (av_sscanf(arg, "%f", &freq) != 1) + return AVERROR(EINVAL); if (freq <= 0) { av_log(ctx, AV_LOG_ERROR, "Frequency %f must be positive number.\n", freq); return AVERROR(EINVAL);