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 B8BD343AD4 for ; Tue, 12 Jul 2022 18:00:03 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id DF30568B8FC; Tue, 12 Jul 2022 21:00:01 +0300 (EEST) 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 86A1E68B41C for ; Tue, 12 Jul 2022 20:59:55 +0300 (EEST) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id B70BBFF806 for ; Tue, 12 Jul 2022 17:59:54 +0000 (UTC) Date: Tue, 12 Jul 2022 19:59:53 +0200 From: Michael Niedermayer To: FFmpeg development discussions and patches Message-ID: <20220712175953.GE396728@pb2> References: <20220704223034.15056-1-michael@niedermayer.cc> <20220704223034.15056-3-michael@niedermayer.cc> MIME-Version: 1.0 In-Reply-To: <20220704223034.15056-3-michael@niedermayer.cc> Subject: Re: [FFmpeg-devel] [PATCH 3/3] avformat/iff: simplify duration calculation 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: multipart/mixed; boundary="===============2377051666187887125==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --===============2377051666187887125== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="H+6KtIajGiQ8+ado" Content-Disposition: inline --H+6KtIajGiQ8+ado Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 05, 2022 at 12:30:34AM +0200, Michael Niedermayer wrote: > Fixes: signed integer overflow: 315680096256 * 134215943 cannot be repres= ented in type 'long long' > Fixes: 48713/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5886272= 312311808 >=20 > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/t= ree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer > --- > libavformat/iff.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) will apply [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Complexity theory is the science of finding the exact solution to an approximation. Benchmarking OTOH is finding an approximation of the exact --H+6KtIajGiQ8+ado Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEIAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCYs22mQAKCRBhHseHBAsP q3c6AJ938qKj6YDsVdCU9RrmvrnRfqMLGACeLl61lIKTr6+wiPvMutc6tT6Q+7I= =M24c -----END PGP SIGNATURE----- --H+6KtIajGiQ8+ado-- --===============2377051666187887125== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ 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". --===============2377051666187887125==--