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 ESMTPS id AC33E4C81B for ; Sun, 9 Feb 2025 07:17:57 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0EC5468BCCB; Sun, 9 Feb 2025 09:17:55 +0200 (EET) Received: from mx.sdf.org (mx.sdf.org [205.166.94.24]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 6089D68B992 for ; Sun, 9 Feb 2025 09:17:47 +0200 (EET) Received: from b23210acc22a312b5f9efa84d03776bb ([1.145.216.185]) (authenticated (0 bits)) by mx.sdf.org (8.18.1/8.14.3) with ESMTPSA id 5197Hd0X025979 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO) for ; Sun, 9 Feb 2025 07:17:44 GMT Date: Sun, 9 Feb 2025 18:17:39 +1100 From: Peter Ross To: FFmpeg development discussions and patches Message-ID: Mail-Followup-To: FFmpeg development discussions and patches References: <20250209022421.2346210-1-michael@niedermayer.cc> <20250209022421.2346210-6-michael@niedermayer.cc> MIME-Version: 1.0 In-Reply-To: <20250209022421.2346210-6-michael@niedermayer.cc> Subject: Re: [FFmpeg-devel] [PATCH 6/6] avcodec/rv60dec: Initialize slice gb with actually allocated size 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="===============7369964907806576829==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --===============7369964907806576829== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ybkJjyqrHUZtVZZ5" Content-Disposition: inline --ybkJjyqrHUZtVZZ5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Feb 09, 2025 at 03:24:21AM +0100, Michael Niedermayer wrote: > Fixes: out of array access > Fixes: 385170375/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV60_f= uzzer-4710055187906560 >=20 > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/t= ree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer > --- > libavcodec/rv60dec.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/libavcodec/rv60dec.c b/libavcodec/rv60dec.c > index 0c2e03d7370..24981015a94 100644 > --- a/libavcodec/rv60dec.c > +++ b/libavcodec/rv60dec.c > @@ -2257,7 +2257,7 @@ static int decode_slice(AVCodecContext *avctx, void= *tdata, int cu_y, int thread > thread.avg_linesize[1] =3D 32; > thread.avg_linesize[2] =3D 32; > =20 > - if ((ret =3D init_get_bits8(&gb, s->slice[cu_y].data, s->slice[cu_y]= =2Esize)) < 0) > + if ((ret =3D init_get_bits8(&gb, s->slice[cu_y].data, s->slice[cu_y]= =2Edata_size)) < 0) > return ret; > =20 > for (int cu_x =3D 0; cu_x < s->cu_width; cu_x++) { nice find. please apply, thanks. -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B) --ybkJjyqrHUZtVZZ5 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQSpB+AvpuUM0jTNINJnYHnFrEDdawUCZ6hWkwAKCRBnYHnFrEDd a26zAKDSARHwNdBhK0FwmYSM9+yFObBnCACgyw2kCb536/9YDDEXXcea1g0C3J8= =k6nu -----END PGP SIGNATURE----- --ybkJjyqrHUZtVZZ5-- --===============7369964907806576829== 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". --===============7369964907806576829==--