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 D7C9E45842 for ; Thu, 23 Feb 2023 22:26:11 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0294A68C072; Fri, 24 Feb 2023 00:26:10 +0200 (EET) Received: from relay10.mail.gandi.net (relay10.mail.gandi.net [217.70.178.230]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 7FD0868C05B for ; Fri, 24 Feb 2023 00:26:03 +0200 (EET) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id 9EE3F240003 for ; Thu, 23 Feb 2023 22:26:02 +0000 (UTC) Date: Thu, 23 Feb 2023 23:26:01 +0100 From: Michael Niedermayer To: FFmpeg development discussions and patches Message-ID: <20230223222601.GW1949656@pb2> References: <20230111204221.22550-1-michael@niedermayer.cc> MIME-Version: 1.0 In-Reply-To: <20230111204221.22550-1-michael@niedermayer.cc> Subject: Re: [FFmpeg-devel] [PATCH 1/6] avcodec/utils: allocate a line more for VC1 and WMV3 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="===============3267161315301025378==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --===============3267161315301025378== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="gb9y06RHAlBWqkla" Content-Disposition: inline --gb9y06RHAlBWqkla Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jan 11, 2023 at 09:42:16PM +0100, Michael Niedermayer wrote: > Fixes: out of array read on 32bit > Fixes: 54857/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer= -5840588224462848 >=20 > The chroma MC code reads over the currently allocated frame. > Alternative fixes would be allocating a few bytes more at the end instead= of a whole > line extra or to adjust the threshold where the edge emu code is activated >=20 > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/t= ree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer > --- > libavcodec/utils.c | 1 + > 1 file changed, 1 insertion(+) will apply remaining bits of this patchset [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The misfortune of the wise is better than the prosperity of the fool. -- Epicurus --gb9y06RHAlBWqkla Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEIAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCY/fn+QAKCRBhHseHBAsP qzc+AJwK3vuVMrz5j7GxOXSSsNpYr4/cMACfVqMlytSDdxvvlQXAFSPsd89++yg= =qOwe -----END PGP SIGNATURE----- --gb9y06RHAlBWqkla-- --===============3267161315301025378== 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". --===============3267161315301025378==--