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 9C00B438ED for ; Sun, 3 Jul 2022 00:32:14 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id D695468B956; Sun, 3 Jul 2022 03:32:02 +0300 (EEST) Received: from vie01a-dmta-at01-1.mx.upcmail.net (vie01a-dmta-at01-1.mx.upcmail.net [62.179.121.145]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 2103768B91A for ; Sun, 3 Jul 2022 03:31:55 +0300 (EEST) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-at01.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1o7nWk-001ji2-Ik for ffmpeg-devel@ffmpeg.org; Sun, 03 Jul 2022 02:31:54 +0200 Received: from ren-mail-psmtp-mg02. ([80.109.253.241]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id 7nUxo2thH8s8U7nWkodISH; Sun, 03 Jul 2022 02:31:54 +0200 Received: from localhost ([213.47.68.29]) by ren-mail-psmtp-mg02. with ESMTP id 7nWkosU9H8eSW7nWkooHQU; Sun, 03 Jul 2022 02:31:54 +0200 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.68.29 X-CNFS-Analysis: v=2.4 cv=KKE5sHJo c=1 sm=1 tr=0 ts=62c0e37a a=2hcxjKEKjp0CzLx6oWAm4g==:117 a=2hcxjKEKjp0CzLx6oWAm4g==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=NEAV23lmAAAA:8 a=yDO2GySLOFfm-oxmxNgA:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 3 Jul 2022 02:31:50 +0200 Message-Id: <20220703003152.17850-4-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220703003152.17850-1-michael@niedermayer.cc> References: <20220703003152.17850-1-michael@niedermayer.cc> X-CMAE-Envelope: MS4wfEOAgD7e9tw/8KH2kXEJ8lM8OfhhDZ7URSsJM/IipA01zOePOxyNsldCHtd5uZQG2SYm4X+TRmydGQN+JmGJuuDddtEjWmvPQy1SjRWTAeDlAuj7r9ko 6G0q9qaI17rSbL4nOb9BYEHfmWaV/1baHtgVt/OIq9Qqx44ccw3oql28g8d5K22CbCgxf3awPK+BYQ== Subject: [FFmpeg-devel] [PATCH 4/6] avcodec/qdrw: adjust max colors to array 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 MIME-Version: 1.0 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: Fixes: out of array access Fixes: 48429/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDRAW_fuzzer-4608329791438848 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/qdrw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/qdrw.c b/libavcodec/qdrw.c index 849d4a5cad..ff8f97713d 100644 --- a/libavcodec/qdrw.c +++ b/libavcodec/qdrw.c @@ -368,7 +368,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *p, bytestream2_skip(&gbc, 18); colors = bytestream2_get_be16(&gbc); - if (colors < 0 || colors > 256) { + if (colors < 0 || colors > 255) { av_log(avctx, AV_LOG_ERROR, "Error color count - %i(0x%X)\n", colors, colors); return AVERROR_INVALIDDATA; -- 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".