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 D9D1543B56 for ; Sat, 17 Sep 2022 14:32:21 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id DCDF668BB42; Sat, 17 Sep 2022 17:32:18 +0300 (EEST) Received: from vie01a-dmta-at03-2.mx.upcmail.net (unknown [62.179.121.152]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 576E068BB06 for ; Sat, 17 Sep 2022 17:32:12 +0300 (EEST) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-at03.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1oZYrb-00DX00-8s for ffmpeg-devel@ffmpeg.org; Sat, 17 Sep 2022 16:32:11 +0200 Received: from ren-mail-psmtp-mg02. ([80.109.253.241]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id ZYraoHxwm8s8UZYraoEB1d; Sat, 17 Sep 2022 16:32:11 +0200 Received: from localhost ([213.47.68.29]) by ren-mail-psmtp-mg02. with ESMTP id ZYraow3ahbZLDZYraoHwao; Sat, 17 Sep 2022 16:32:10 +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=Ufwy9IeN c=1 sm=1 tr=0 ts=6325da6a a=2hcxjKEKjp0CzLx6oWAm4g==:117 a=2hcxjKEKjp0CzLx6oWAm4g==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=NEAV23lmAAAA:8 a=NZNCtQD6c9wZftA5qAIA:9 a=zWt-qT5HLs-Z4RBIDahQ:22 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sat, 17 Sep 2022 16:32:08 +0200 Message-Id: <20220917143209.7797-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 X-CMAE-Envelope: MS4wfKwfr6W+YeTxt3JwFGWEQbzCegaC/pedP8vo2chcrI33qSaYnAxCHNdRwEHRP0GrRuVlMq4i/rYrdXZRloJUwXgfjPWqq0xDKpbsAinmOzYZSKnla5oZ 6+oZodFC6ixIoLOqTjgPaI0cFx0Lo7260m1ykxdOGaZYGgORjpCVX+CgyvmFOxvXQwvJz/RilaIwlA== Subject: [FFmpeg-devel] [PATCH 1/2] avformat/aiffdec: Check block_duration 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: signed integer overflow: 3 * -2147483648 cannot be represented in type 'int' Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6668935979728896 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/aiffdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c index 0487d3f0299..318e3ad742e 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -372,6 +372,8 @@ got_sound: av_log(s, AV_LOG_ERROR, "could not find COMM tag or invalid block_align value\n"); return AVERROR_INVALIDDATA; } + if (aiff->block_duration < 0) + return AVERROR_INVALIDDATA; /* Now positioned, get the sound data start and end */ avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate); -- 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".