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[79.124.17.100]) by mx.google.com with ESMTP id b8-20020a056402084800b00427ca217cb3si6374284edz.6.2022.05.12.02.55.48; Thu, 12 May 2022 02:55:49 -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; dkim=neutral (body hash did not verify) header.i=@foxmail.com header.s=s201512 header.b=RSBaYqbi; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=foxmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 2C5EF68B437; Thu, 12 May 2022 12:55:45 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from out162-62-57-252.mail.qq.com (out162-62-57-252.mail.qq.com [162.62.57.252]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 95DBD68B0A8 for ; Thu, 12 May 2022 12:55:38 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foxmail.com; s=s201512; t=1652349334; bh=b/RIFO+pC54X8oYS773n7IBHxsZ3ImAP63FTvnfgwB4=; h=From:To:Cc:Subject:Date; b=RSBaYqbite+MKVlOa7SCzZUqDJj/LuiRN7VXSNNXKgX/Oy8UdkOzjwjjVHqwRoHRY uud5SUi+XgZTAoB/Vwfqx2/TgYV8ynx4CwarWQ2nXh9g+mGE4SlWJ+Ryw4RFUKGFby PpYX+7NhPNGQMNRYbW2AX2FSeJjrG3qelPYbqybI= Received: from ZHILIZHAO-MB2.tencent.com ([113.118.102.173]) by newxmesmtplogicsvrsza7.qq.com (NewEsmtp) with SMTP id DE0A603D; Thu, 12 May 2022 17:55:32 +0800 X-QQ-mid: xmsmtpt1652349332txkyy6kgs Message-ID: X-QQ-XMAILINFO: MBjwNRQMz5zUP0lxApXbn53eWBXl+EVm604TDd29p7ibkOHamwxKaZSXkjpJzE slWuVARL9X1HR/26a5iQX44bJcgAh9pvJLaPIwzxA55o5OA0qYUZLPkdUbSGD9ViylO2+tE4LpFB rXhLL0JxDsQO48D6qLhl+DdzWW99jg+uwizcUL+xDo0d3YbmKafT0f3tE3I9LKTFDFHSZxxvrCKt falz2udU/4g+KHKBfPbtJjhqKvyIt4ny9L1WrBTiA4FXowb5YFxis0h0GxsjEWO5qFePS5Tn1VmN w1hpjsGU80caBWYryak7IqeQcDr2g5tNwOc7g+mHXjVEJzzhXLCq2R2i8OhgcgRew9LNV+zH6BXI Pfm+K9QgQ0pfotlHs9zeL8T0o4yzA8CNmDbMtJL5A8etahbYT2LwjBVqBWIwcFIBeOJwNtOmwMOy tD6EVXy6IuKS0BN7fC3YDN3jHcZrN7Wc/GnQ8YTlOBk1DgfhfAA5Vvd6WR3t3q7qUbii2eJ7b2xs s+saDUpLRKjaDq+BpgpG5YV/4iiP1u0jsVCoLieRNX10KhPkTpVK2aiGAA5KBKNnSxf5r6hL5aFo BmcjeVyi9ubV0SMA1jXBiBi/099rW7NKEQbbR7wCU+CxHKWUvMRF/XzQfXVK/8fyGZaf+ZpqotRE tdY3TVmqPfmvdH1vjVt0bvhssjzRTLS7aJRxi+c/fvhBLCpvxQ/9KYAGi/v7fRVt3OaUabE88ECe S5Uq3tCg1mCMJ9WWXnMmQs0DmNPueC1aqYvLgA4cKVfqJUQ55kqksGSE1KodMjD+o8fH1YPYf7Wv A3lquT7+VnvmA5gsZNzY1dYFEVhkfG1qKV6E9NvblFqnRJ+eeJWsx77YLh5p9jrG2xE/VZSj1nvG QskAvQXyW5QMLiDwZ2XKVX7VQ35mLsMyaJy1fPLzGOwhRCaX0FLQ8iCssIgFkH5zxzXZVMfTzVqZ m7A1rLNJWdmBAQDf+ETaqwvZkmMZKCyLO2FQwLxxrjghWxcsrk7Q== From: Zhao Zhili To: ffmpeg-devel@ffmpeg.org Date: Thu, 12 May 2022 17:55:31 +0800 X-OQ-MSGID: <20220512095531.65839-1-quinkblack@foxmail.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Subject: [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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: +BTvF8XtQlEr 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;