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 EEC6A4333D for ; Sun, 3 Jul 2022 00:32:04 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 8D62268B96C; Sun, 3 Jul 2022 03:32:01 +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 1FD0D68B8E1 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-001ji2-4L for ffmpeg-devel@ffmpeg.org; Sun, 03 Jul 2022 02:31:54 +0200 Received: from ren-mail-psmtp-mg01. ([80.109.253.241]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id 7nWho2w3E8s8U7nWjodIRp; Sun, 03 Jul 2022 02:31:53 +0200 Received: from localhost ([213.47.68.29]) by ren-mail-psmtp-mg01. with ESMTP id 7nWioo2OZOPqF7nWjoC2pB; Sun, 03 Jul 2022 02:31:53 +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=OcX7sjfY c=1 sm=1 tr=0 ts=62c0e379 a=2hcxjKEKjp0CzLx6oWAm4g==:117 a=2hcxjKEKjp0CzLx6oWAm4g==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=NEAV23lmAAAA:8 a=TQ5DZgt3K1Glose3LdIA:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 3 Jul 2022 02:31:47 +0200 Message-Id: <20220703003152.17850-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 X-CMAE-Envelope: MS4wfEOAgD7e9tw/8KH2kXEJ8lM8OfhhDZ7URSsJM/IipA01s7IWuvDFWyeTvjkQT9k3IHYsASLfrOxjNejhV6A4FZIzta3wwyQjlYqLqSV1hA9K6QUNCCrl V/Egy8bYp4FvJYh3OAOToqwhUjhitmR3HDX3j+rBjEpBtKfLGCyl/5u5HrJhBD1VOaudnoxY4sO0KA== Subject: [FFmpeg-devel] [PATCH 1/6] avcodec/wnv1: Check for width =1 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: The decoder only outputs pixels for width >1 images, fail early Fixes: Timeout Fixes: 48298/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WNV1_fuzzer-6198626319204352 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/wnv1.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/wnv1.c b/libavcodec/wnv1.c index 0cf2181a48..f1223493fe 100644 --- a/libavcodec/wnv1.c +++ b/libavcodec/wnv1.c @@ -129,6 +129,9 @@ static av_cold int decode_init(AVCodecContext *avctx) ff_thread_once(&init_static_once, wnv1_init_static); + if (avctx->width <= 1) + return AVERROR_INVALIDDATA; + return 0; } -- 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".