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 E1C0D4BA4B for ; Mon, 12 Aug 2024 13:30:01 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id E1A3568D97E; Mon, 12 Aug 2024 16:29:59 +0300 (EEST) 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 8692668D981 for ; Mon, 12 Aug 2024 16:29:53 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 84B28240005 for ; Mon, 12 Aug 2024 13:29:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1723469392; 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; bh=7Ex41HoSeR3yrY1eU7rlBVAjWpUojveY/Fw6RBKIWHA=; b=CRpMzyTeyl4Ek2zg9bPq89As0Db8I/Nu3jq/sLybliEsTYRtTJWRH1VdzcV/LOzJ5xVbx1 Jp1TAB4bb/wUwHTZIjO0YCtW7l16IjNsxURHKdYxsFtA+7Dbd6HSgb9tOh4OjKa2bhHjp7 fFDOh/EA3Rh5DWpvF/Z7n0O5LwwxAs1mq3WTzPma+W06FrfUyRZ18GKTJA35bGojf0tsJ7 LiFRso6UkX+kgysZwvOHBrIu2m42BHY7ElQ/ODhccoaG7XeFPa6EDD8VgyV5VGtayoWdQ3 Acv0mhDhTePmrmw03ADkFfd3b6qeLRIFKVyHS1ilgKsoMAA6QbSNtVF7dPb7Zw== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Mon, 12 Aug 2024 15:29:51 +0200 Message-ID: <20240812132951.1409672-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH] tools/target_dec_fuzzer: Check that FFv1 doesnt leave uninitialized memory in its buffers 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: Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer --- tools/target_dec_fuzzer.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c index 794b5b92cc7..5fccf2ab8fc 100644 --- a/tools/target_dec_fuzzer.c +++ b/tools/target_dec_fuzzer.c @@ -129,7 +129,14 @@ static int fuzz_video_get_buffer(AVCodecContext *ctx, AVFrame *frame) frame->extended_data = frame->data; for (i = 0; i < 4 && size[i]; i++) { - frame->buf[i] = av_buffer_allocz(size[i]); + switch(ctx->codec_id) { + case AV_CODEC_ID_FFV1: + frame->buf[i] = av_buffer_alloc(size[i]); + break; + default: + frame->buf[i] = av_buffer_allocz(size[i]); + } + if (!frame->buf[i]) goto fail; frame->data[i] = frame->buf[i]->data; -- 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".