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 4ED244583F for ; Thu, 23 Feb 2023 22:22:09 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B193068C02E; Fri, 24 Feb 2023 00:22:06 +0200 (EET) Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 6CD8C68BEFF for ; Fri, 24 Feb 2023 00:21:59 +0200 (EET) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id AA3F2E0003 for ; Thu, 23 Feb 2023 22:21:58 +0000 (UTC) Date: Thu, 23 Feb 2023 23:21:57 +0100 From: Michael Niedermayer To: FFmpeg development discussions and patches Message-ID: <20230223222157.GT1949656@pb2> References: <20230111235432.2135-1-michael@niedermayer.cc> <20230111235432.2135-2-michael@niedermayer.cc> MIME-Version: 1.0 In-Reply-To: <20230111235432.2135-2-michael@niedermayer.cc> Subject: Re: [FFmpeg-devel] [PATCH 2/6] avcodec/pngdec: Check deloco index more exactly 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="===============4986982147286199112==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --===============4986982147286199112== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="D4brdooRo2fSXA69" Content-Disposition: inline --D4brdooRo2fSXA69 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jan 12, 2023 at 12:54:28AM +0100, Michael Niedermayer wrote: > Fixes: out of array access: > Fixes: 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PNG_fuzzer= -6716193709096960 >=20 > Alternatively it should be possible to limit this to 3 plane RGB 8 /16bit= to ensure the size is what it should be >=20 > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/t= ree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer > --- > libavcodec/pngdec.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB There will always be a question for which you do not know the correct answe= r. --D4brdooRo2fSXA69 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEIAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCY/fnBQAKCRBhHseHBAsP q8LNAJ9SwNJm8V7pZ0ffSoyuV2WQIEn+vwCfak2X1SZSid3rLFktyjkTPBNpNfA= =6bhy -----END PGP SIGNATURE----- --D4brdooRo2fSXA69-- --===============4986982147286199112== 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". --===============4986982147286199112==--