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[79.124.17.100]) by mx.google.com with ESMTP id v9-20020a170906564900b00a3e52f5bee8si1556612ejr.1018.2024.02.25.15.24.04; Sun, 25 Feb 2024 15:24:04 -0800 (PST) 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=@niedermayer.cc header.s=gm1 header.b=m1uNjVMr; 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 Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 7E03668C775; Mon, 26 Feb 2024 01:24:01 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 5B69268C238 for ; Mon, 26 Feb 2024 01:23:55 +0200 (EET) Received: by mail.gandi.net (Postfix) with ESMTPSA id 6D573240002 for ; Sun, 25 Feb 2024 23:23:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1708903434; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc; bh=jmJfG29KHoT3/RYAe6ADwZDHEl6Uhu9AHrYdL4uZ57o=; b=m1uNjVMrwdHz5R3Em5Nl8j9vqiuv/Zd6PVGeqvKsDPZ+Ho85l2J4m0+NXo7xTZnToLML58 mXfo8p3VY1Y/HImA2SXd+YwsDh7Mi4ernmuk+jn4PI2tMBeRd4qjqy04fEjFPwmOFneFPb l39Y5d7X50GLD28Xm0HjHLabjyNwsqPoeWkGRqpGUqTe33lfxEh/DSQVvP83HSqE4e2VPj 4zoPbB5x+Rq1TcZ9L8FW1bwDYKGK4dJJi3qPq1OGvlwrjftdPRvbL2cTMH2X8btRxr/ZYD Ct8b54qoU92unvuq9glA6qyk4vSxLUbhRubm391wppl6WEBhKwrI7QgUE7Dn3g== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Mon, 26 Feb 2024 00:23:52 +0100 Message-Id: <20240225232353.23735-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 1/2] avcodec/8bps: Consider width in the minimal size check 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 MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: WHc8z4MIOaf4 Fixes: Timeout Fixes: 64479/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EIGHTBPS_fuzzer-5434435386081280 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/8bps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/8bps.c b/libavcodec/8bps.c index 11b9f526b7..0060c46d09 100644 --- a/libavcodec/8bps.c +++ b/libavcodec/8bps.c @@ -63,7 +63,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, unsigned int planes = c->planes; int ret; - if (buf_size < planes * height * 2) + if (buf_size < planes * height * (2 + 2*((avctx->width+128)/129))) return AVERROR_INVALIDDATA; if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)