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 377694A021 for ; Sun, 16 Jun 2024 23:09:49 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 617CE68D770; Mon, 17 Jun 2024 02:08:53 +0300 (EEST) Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id C3AEB68D74F for ; Mon, 17 Jun 2024 02:08:40 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id E8D6AC0002 for ; Sun, 16 Jun 2024 23:08:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1718579320; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=GPkpTCM3j8zHBxwOW38nkXQ5XYrMAlK/KaUWBWBNAeo=; b=SE6l/q5MWRnX0Gdz0avpml9fio3E1jQT/24VesomrzF4y5wxZPMJSMz2emsu/uN/G4Qso4 4x5S5kMNpyYEKUs7dGjCkpg/ojWLOXtjeZh7vMth0lkNuqNfm/mVG8G1Bt25+lMdEoQpTR c/fvyC2lg1rW2jb8ipgblXu6fM1xN+PYTGvP+pgn/EwLudS9JZ2zma8Q7CYgF42xOhR3/W /TOGp9kF8LuPwh7NJEmPNVtYuqZX1wROkhIldZHJetfz7WWv78/b42k/UVKskCcLo+Y6Y4 2RA+YUhrOowUAjY3v0n7ZIqvZB0C2m/XyYD4EsEU1CG7frvokCESC0QAlTqdLg== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Mon, 17 Jun 2024 01:08:30 +0200 Message-ID: <20240616230831.912377-8-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240616230831.912377-1-michael@niedermayer.cc> References: <20240616230831.912377-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 8/9] avcodec/smcenc: width < 4 is unsupported 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 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 read Fixes: 68939/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMC_fuzzer-587804104884224 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/smcenc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/smcenc.c b/libavcodec/smcenc.c index 789aef4f770..d70cce900ec 100644 --- a/libavcodec/smcenc.c +++ b/libavcodec/smcenc.c @@ -537,6 +537,9 @@ static int smc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, uint8_t *pal; int ret; + if (avctx->width < 4) + return AVERROR_PATCHWELCOME; + ret = ff_alloc_packet(avctx, pkt, 8LL * avctx->height * avctx->width); if (ret < 0) return ret; -- 2.45.2 _______________________________________________ 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".