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 CF48C40956 for ; Mon, 30 Jan 2023 23:45:47 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id CA1B068BE04; Tue, 31 Jan 2023 01:45:36 +0200 (EET) Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id F044A68BE01 for ; Tue, 31 Jan 2023 01:45:30 +0200 (EET) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id 2BA79FF805 for ; Mon, 30 Jan 2023 23:45:29 +0000 (UTC) From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Tue, 31 Jan 2023 00:45:26 +0100 Message-Id: <20230130234527.13149-2-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230130234527.13149-1-michael@niedermayer.cc> References: <20230130234527.13149-1-michael@niedermayer.cc> Subject: [FFmpeg-devel] [PATCH 2/3] avformat/lafdec: Check if all data was read 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: OOM Fixes: 54572/clusterfuzz-testcase-minimized-ffmpeg_dem_LAF_fuzzer-4974038870523904 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/lafdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/lafdec.c b/libavformat/lafdec.c index d02b479c4d..b78ec3649c 100644 --- a/libavformat/lafdec.c +++ b/libavformat/lafdec.c @@ -208,6 +208,8 @@ again: ret = avio_read(pb, s->data, st_count * st->codecpar->sample_rate * bpp); if (ret < 0) return ret; + if (ret != st_count * st->codecpar->sample_rate * bpp) + return AVERROR_INVALIDDATA; } st = ctx->streams[s->index]; -- 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".