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 4A6374574D for ; Sat, 22 Apr 2023 21:19:12 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id AB19568BF6E; Sun, 23 Apr 2023 00:19:08 +0300 (EEST) Received: from relay10.mail.gandi.net (relay10.mail.gandi.net [217.70.178.230]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id D278568BF5C for ; Sun, 23 Apr 2023 00:19:01 +0300 (EEST) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id B92E0240006 for ; Sat, 22 Apr 2023 21:19:00 +0000 (UTC) Date: Sat, 22 Apr 2023 23:18:59 +0200 From: Michael Niedermayer To: FFmpeg development discussions and patches Message-ID: <20230422211859.GZ275832@pb2> References: <20230124234254.30008-1-michael@niedermayer.cc> MIME-Version: 1.0 In-Reply-To: <20230124234254.30008-1-michael@niedermayer.cc> Subject: Re: [FFmpeg-devel] [PATCH 1/2] avcodec/g2meet: Replace fake allocation avoidance for framebuf 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="===============0762744368495880892==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --===============0762744368495880892== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="p+/4B2pcxE3X6xU6" Content-Disposition: inline --p+/4B2pcxE3X6xU6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jan 25, 2023 at 12:42:53AM +0100, Michael Niedermayer wrote: > framebuf is only allocated when the new width/height are larger than the = old > but nothing sets the old so its always allocated. > Use av_fast_mallocz() instead. >=20 > Fixes: Timeout > Fixes: 55094/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer= -5116909932904448 >=20 > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/t= ree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer > --- > libavcodec/g2meet.c | 19 ++++++++++--------- > 1 file changed, 10 insertions(+), 9 deletions(-) will apply patchset [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Awnsering whenever a program halts or runs forever is On a turing machine, in general impossible (turings halting problem). On any real computer, always possible as a real computer has a finite number of states N, and will either halt in less than N cycles or never halt. --p+/4B2pcxE3X6xU6 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEIAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCZERPPwAKCRBhHseHBAsP q86eAKCHpGw7EhoGRJSGw0OqEJIRI5w8IQCfWaTRcLe39YL+43PzjNFNpyny3Bk= =Cvz1 -----END PGP SIGNATURE----- --p+/4B2pcxE3X6xU6-- --===============0762744368495880892== 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". --===============0762744368495880892==--