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 843D540F21 for ; Fri, 13 May 2022 00:59:50 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 6364C68B404; Fri, 13 May 2022 03:59:48 +0300 (EEST) Received: from mail-lj1-f171.google.com (mail-lj1-f171.google.com [209.85.208.171]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id D7A88688093 for ; Fri, 13 May 2022 03:59:41 +0300 (EEST) Received: by mail-lj1-f171.google.com with SMTP id m23so8566510ljc.0 for ; Thu, 12 May 2022 17:59:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:reply-to:from:date:message-id :subject:to:cc; bh=gm1qgxOF6wYXZL4aYYi5+/JlSYyD/thWLcDYB+tf0yA=; b=nAobKtD0wFgOJO0VfHMd8T74OY81NlmHllYZVmHaDGI8AWmzTs8dn13XxrSl+0XI49 DLgoSZ7BCopdx+W3q6kOYXT0RKOuNKEIzsdFGRLuk6uxFoxg7BDsmF12KbwDXwMICnI7 jsgYchThjRAXzWm4DPNHtj9Zbn61kyadlwAkjfAhz4f6LOh4fcJFYot4A8ej1pYsW7zY uiWuFN7h6CLz4CrkzE2sRfwplOiw2gC7a7WRgeM25U1Qf/sOGEOCfa6Zt9CacwumuYvV ZXjXSqNCq6DrhveHrMFrZu46wEVyjxeG3HwrYhRx7ExByk0KNd1GT+cyQrhHxLsnTX4l TA8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:reply-to :from:date:message-id:subject:to:cc; bh=gm1qgxOF6wYXZL4aYYi5+/JlSYyD/thWLcDYB+tf0yA=; b=A3I4wq7rki3lPK3oPBJdCs3sPApLbselh4x+VGcbcLLhIJuUqFZcAdCU/7jxPeRRgX xYbqMYJ1uznjXf01+F6hIaZJVbHFmOV6a19eV5m/VReiO3TJW3/4uO5i4KMzrW8N2zd7 tJaRxTUoMM7efZN4hIaAJA2MtqcQlOKOQ0ubnFPZR+E9MqJoRt1AhOtzHAWkVwz2I9f5 UB+Nzw46rCHJZBIM/YSQFbemBs7ZeuiyIlnPai72h6XxJXfiCO8PmYg9ZF2rgnjlnc5Q UpmP5AkIcIK0wNV7XaLT72Uthgg8IA8364OUrco3AP4BbS//iHp49bP4kArL1QneeowC YHfw== X-Gm-Message-State: AOAM531zyl1AwU7AbGTTotlIUAzxQ3gtZ63z7hgB00BqC8Z4SEzZml/Z SxEZ+zsm4RJFxCHTPQ1X/wkDy7Nb8cZFQkKKRZF+JfHivXY= X-Google-Smtp-Source: ABdhPJxTa+H8zMFwaeq0VdAyQWwuKdX3HAaz6U8ShIPPjmZDGAtuIR2g2ycRaMdECRGNTCjWkZlVN8iEPaUYlqmpE1s= X-Received: by 2002:a2e:b8c2:0:b0:250:61c6:8398 with SMTP id s2-20020a2eb8c2000000b0025061c68398mr1618098ljp.378.1652403580626; Thu, 12 May 2022 17:59:40 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: "mypopy@gmail.com" Date: Fri, 13 May 2022 08:59:29 +0800 Message-ID: To: FFmpeg development discussions and patches Subject: Re: [FFmpeg-devel] [PATCH] avcodec/libuavs3d: fix access uninitialized variable when draining 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 Cc: Zhao Zhili 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, May 12, 2022 at 5:55 PM Zhao Zhili wrote: > > buf_ptr is uninitialized and accessed when function return. > --- > libavcodec/libuavs3d.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/libavcodec/libuavs3d.c b/libavcodec/libuavs3d.c > index 6966e00b62..23de4c8cd5 100644 > --- a/libavcodec/libuavs3d.c > +++ b/libavcodec/libuavs3d.c > @@ -149,7 +149,7 @@ static int libuavs3d_decode_frame(AVCodecContext *avctx, AVFrame *frm, > const uint8_t *buf = avpkt->data; > int buf_size = avpkt->size; > const uint8_t *buf_end; > - const uint8_t *buf_ptr; > + const uint8_t *buf_ptr = buf; > int left_bytes; > int ret, finish = 0; > > @@ -170,7 +170,6 @@ static int libuavs3d_decode_frame(AVCodecContext *avctx, AVFrame *frm, > } else { > uavs3d_io_frm_t *frm_dec = &h->dec_frame; > > - buf_ptr = buf; > buf_end = buf + buf_size; > frm_dec->pkt_pos = avpkt->pos; > frm_dec->pkt_size = avpkt->size; > -- > 2.35.3 Sounds Good To Me _______________________________________________ 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".