From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id D42C8426C0 for ; Thu, 6 Jan 2022 09:05:46 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B199068AA61; Thu, 6 Jan 2022 11:05:43 +0200 (EET) Received: from mail-pj1-f43.google.com (mail-pj1-f43.google.com [209.85.216.43]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id CE3FC688324 for ; Thu, 6 Jan 2022 11:05:37 +0200 (EET) Received: by mail-pj1-f43.google.com with SMTP id pj2so754961pjb.2 for ; Thu, 06 Jan 2022 01:05:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:subject:message-id:mail-followup-to:references :mime-version:content-disposition:in-reply-to; bh=mgXB3P19EL65O4qekyWaUSEsLc3PYYM9ejsR4ay0TsU=; b=RFHlHpCr78Qvchh3fSbgGUXRZayPdjMZS4xVtUMTTDIRqf6WOCZngkle0sIkaJ04G/ Fsmvkdub5hj7wbbybdtejfCpfkd3fiHC+fCO4hy+hP12dmk2sAV9GbgMBIi7zRfdz9xw dW+Ajr3lsX8ClDNZXN7w00pynJ9zBWGCBzCaiB8HBjnVkEDc3FVlgY1tOmaIs9p1Nhsw PO9fbf2XoqFtrZrvXJSe9OJkKyJZmVdML8IewxFK7lS1JeFTnmsBVkn0Yy9rgl/yMZx1 D8Gdctz8BVlSU+ANuRDAXLH6gW3DdL/G5XLQbf5T/ScQqQ4kBi0SSk6UAjKmnsWFbjs2 39xw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:subject:message-id:mail-followup-to :references:mime-version:content-disposition:in-reply-to; bh=mgXB3P19EL65O4qekyWaUSEsLc3PYYM9ejsR4ay0TsU=; b=OmLjWgD531G7/Oa74NjSHrmQmYxFsEqERKtwgh5Am6IoAAXWHLTB9mzmKJ/iRHSJlr xG2FLRWJgoCgwEFvwmfU0GmYa6agOtyj1NcL321zEtUJrl5/5Pxtmy+pCitjVimC8dJp jGu23IX54X9sXItKgzL31Fn4k2XQCcNBrsM35LxmaCPWU/AjqxdQurZiCDhptDO65Phm bstuvVX4QSGyizwkkZ3dU1Pn1+BW68ZxAzqyw14LCnHwVaSxXngnBwRjAzmHZHw8m55u 27InQOSTY24PCdFnycGNyjlWNfaeNixcQi8TWVDXN7hbfryDg7g5cLXEMbVrgOPhi+b6 p5VQ== X-Gm-Message-State: AOAM533DdQbIfu7kyp2JbHjPZDHR9c+wiqxtPvvkrq6pwYdyJcPl9uoq FU3V9+JOwWb8+xRoCOjPv8HiwlmHcho= X-Google-Smtp-Source: ABdhPJyqFmOy6bVAOlf21M+P8M0eb/gHVWhAasbz7rqg4viZa6crqtNL+qcgYYtqXUc8f0se0lcICA== X-Received: by 2002:a17:903:22cf:b0:149:2110:b82 with SMTP id y15-20020a17090322cf00b0014921100b82mr57031661plg.128.1641459934938; Thu, 06 Jan 2022 01:05:34 -0800 (PST) Received: from gmail.com ([161.117.202.209]) by smtp.gmail.com with ESMTPSA id z14sm1802654pfh.73.2022.01.06.01.05.33 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Jan 2022 01:05:34 -0800 (PST) Date: Thu, 6 Jan 2022 17:05:31 +0800 From: lance.lmwang@gmail.com To: ffmpeg-devel@ffmpeg.org Message-ID: <20220106090531.GA9491@gmail.com> Mail-Followup-To: ffmpeg-devel@ffmpeg.org References: <20220106084203.27906-1-michael@niedermayer.cc> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220106084203.27906-1-michael@niedermayer.cc> Subject: Re: [FFmpeg-devel] [PATCH] avformat/rawvideodec: check packet size 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On Thu, Jan 06, 2022 at 09:42:03AM +0100, Michael Niedermayer wrote: > Fixes: division by zero > Fixes: 43347/clusterfuzz-testcase-minimized-ffmpeg_dem_V210X_fuzzer-5846911637127168 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer > --- > libavformat/rawvideodec.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/libavformat/rawvideodec.c b/libavformat/rawvideodec.c > index 68547fc50ff..7581ba2c7d2 100644 > --- a/libavformat/rawvideodec.c > +++ b/libavformat/rawvideodec.c > @@ -100,6 +100,8 @@ static int rawvideo_read_header(AVFormatContext *ctx) > if (packet_size < 0) > return packet_size; > } > + if (packet_size == 0) > + return AVERROR_INVALIDDATA; I prefer to return AVERROR(EINVAL). > > st->codecpar->format = pix_fmt; > ctx->packet_size = packet_size; > -- > 2.17.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe". -- Thanks, Limin Wang _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".