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 EC91E4BE48 for ; Wed, 17 Jul 2024 11:28:34 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 257C868DAD1; Wed, 17 Jul 2024 14:28:00 +0300 (EEST) Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [217.70.183.200]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 8FAF568DA56 for ; Wed, 17 Jul 2024 14:27:51 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id F220320003 for ; Wed, 17 Jul 2024 11:27:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1721215671; 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=IWLH7UZLupira0um/PshUPVdGkQq9mhet02XWGlyg7Y=; b=nosUFWwVjEa2Jsb3qpMRJBzD8W5ycMmVMptufPuwKXc2EaLaKdBc0g043BizPzL0xYPjll 1h3QXzwsQwVVHLEwwe6HN8uHjhIU99+7cTJzJJu1Q+gwnnFPxJAWF8J5wYxnUQ4jnFLLf1 85WDP/4O0/GqrV+rM7dHjwkRv8g0hvCqDS9XXnphU6km5RppQdW2LaWH9Qf0IT/pN6zbw7 dkiDB3+aCRxJ5mM9PIm1B7wL2BvVWCR/APckdjrsqedYAv4L6uIiEwPJEdGcS8etcJMDeT XP5ilnKiLWqBPyoyoQE7IlbcFtNV9lNGumBv6NyIW+E57JjlvkwXlUXsXaTd4w== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Wed, 17 Jul 2024 13:27:45 +0200 Message-ID: <20240717112745.1624968-5-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240717112745.1624968-1-michael@niedermayer.cc> References: <20240717112745.1624968-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 5/5] avformat/iamf_parse: Check for negative sample sizes 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: index -2 out of bounds for type 'const enum AVCodecID [3]' Fixes: 69866/clusterfuzz-testcase-minimized-ffmpeg_dem_IAMF_fuzzer-4971166119821312 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/iamf_parse.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index a69d4a2f3a5..b3cf90467ba 100644 --- a/libavformat/iamf_parse.c +++ b/libavformat/iamf_parse.c @@ -146,7 +146,7 @@ static int ipcm_decoder_config(IAMFCodecConfig *codec_config, }; int sample_format = avio_r8(pb); // 0 = BE, 1 = LE int sample_size = (avio_r8(pb) / 8 - 2); // 16, 24, 32 - if (sample_format > 1 || sample_size > 2) + if (sample_format > 1 || sample_size > 2U) return AVERROR_INVALIDDATA; codec_config->codec_id = sample_fmt[sample_format][sample_size]; -- 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".