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 976C947450 for ; Thu, 7 Sep 2023 22:07:44 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 1437C68C883; Fri, 8 Sep 2023 01:07:42 +0300 (EEST) Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [217.70.183.195]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 109DC68C7A9 for ; Fri, 8 Sep 2023 01:07:35 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 39FC260004 for ; Thu, 7 Sep 2023 22:07:33 +0000 (UTC) Date: Fri, 8 Sep 2023 00:07:33 +0200 From: Michael Niedermayer To: FFmpeg development discussions and patches Message-ID: <20230907220733.GS8640@pb2> References: <20230427183840.1015-1-michael@niedermayer.cc> <20230427183840.1015-2-michael@niedermayer.cc> MIME-Version: 1.0 In-Reply-To: <20230427183840.1015-2-michael@niedermayer.cc> X-GND-Sasl: michael@niedermayer.cc Subject: Re: [FFmpeg-devel] [PATCH 2/3] avcodec/hevcdec: do not memcpy into itself 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="===============4602557412519533855==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --===============4602557412519533855== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="kVhvBuyIzNBvw9vr" Content-Disposition: inline --kVhvBuyIzNBvw9vr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 27, 2023 at 08:38:39PM +0200, Michael Niedermayer wrote: > Iam not sure if this buffer setup is intended but if it occurs memcpy() c= annot always > be used >=20 > Fixes: memcpy-param-overlap > Fixes: 58062/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzze= r-4717458841010176 >=20 > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/t= ree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer > --- > libavcodec/hevcdec.c | 1 + > 1 file changed, 1 insertion(+) patch withdrawn, as this is not a complete fix of the issue [...] --=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 --kVhvBuyIzNBvw9vr Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEIAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCZPpJpQAKCRBhHseHBAsP q3c3AJ4klQWRCDvKIMAZ+HL2HHJpMz20agCfctM47Pv/OpTK7GaH+HWtEjvFMj0= =r4vP -----END PGP SIGNATURE----- --kVhvBuyIzNBvw9vr-- --===============4602557412519533855== 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". --===============4602557412519533855==--