From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <ffmpeg-devel-bounces@ffmpeg.org> Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id DD4CC4D096 for <ffmpegdev@gitmailbox.com>; Wed, 16 Apr 2025 00:34:46 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 9578A687DC6; Wed, 16 Apr 2025 03:34:43 +0300 (EEST) Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 14887687D0C for <ffmpeg-devel@ffmpeg.org>; Wed, 16 Apr 2025 03:34:37 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 6BD7843844 for <ffmpeg-devel@ffmpeg.org>; Wed, 16 Apr 2025 00:34:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1744763676; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=AW7yAqkfAmzDMFvf1LEK+YFt3eL7erdaEiVC0iDLUDk=; b=nK2Myg5sJhStGi6fhH+f5j9jS5zCfaOQrjNN4XXstW1Fd79UoZbbMkyUjsOXr/mCOi8hg6 E7XfIR6/bRkqE7AIFDt1KMbzrVVoVVfDgvI6XAloAkRWo6m+eWcjyFYPV/1fZbvH5NEjle 0yRlmNEJ4SiMNJZ8Vq4zUkRKjPmmdKAiD3zco0hTL6RJ7APCqHDS2IRjVJqWrxb0WYHBlN 96rhpz26R2cOgKxFP0dbskKVKthA/wG8RV2nUy4afUlYd8oNWRWZWnNJ09a/X3FU/98r+/ BXAmab3SnFwTkku9FKf48fJyEyPNW2bIN7jU6AxdoL1m8WtRcZ82Ti7BPbil8g== Date: Wed, 16 Apr 2025 02:34:35 +0200 From: Michael Niedermayer <michael@niedermayer.cc> To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Message-ID: <20250416003435.GC4991@pb2> References: <20250410170504.308400-1-michael@niedermayer.cc> <GV1P250MB073772D581844374C47913578FB62@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM> <20250412001132.GF4991@pb2> <16bef658-ba7c-48ff-b7fd-f9d449488f49@rothenpieler.org> <20250412004211.GH4991@pb2> MIME-Version: 1.0 In-Reply-To: <20250412004211.GH4991@pb2> X-GND-State: clean X-GND-Score: -70 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvvdegleegucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenfghrlhcuvffnffculdeftddmnecujfgurhepfffhvffukfhfgggtuggjsehgtderredttddvnecuhfhrohhmpefoihgthhgrvghlucfpihgvuggvrhhmrgihvghruceomhhitghhrggvlhesnhhivgguvghrmhgrhigvrhdrtggtqeenucggtffrrghtthgvrhhnpeeigeektdejudffjefhteegjedtgeettefggedthfejgfevhfetgeekjedtvdfhveenucfkphepgedurdeiiedrieejrdduudefnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepgedurdeiiedrieejrdduudefpdhhvghloheplhhotggrlhhhohhsthdpmhgrihhlfhhrohhmpehmihgthhgrvghlsehnihgvuggvrhhmrgihvghrrdgttgdpnhgspghrtghpthhtohepuddprhgtphhtthhopehffhhmphgvghdquggvvhgvlhesfhhfmhhpvghgrdhorhhg X-GND-Sasl: michael@niedermayer.cc Subject: Re: [FFmpeg-devel] [PATCH v2] configure: Clearer documentation for "disable-safe-bitstream-reader" X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches <ffmpeg-devel.ffmpeg.org> List-Unsubscribe: <https://ffmpeg.org/mailman/options/ffmpeg-devel>, <mailto:ffmpeg-devel-request@ffmpeg.org?subject=unsubscribe> List-Archive: <https://ffmpeg.org/pipermail/ffmpeg-devel> List-Post: <mailto:ffmpeg-devel@ffmpeg.org> List-Help: <mailto:ffmpeg-devel-request@ffmpeg.org?subject=help> List-Subscribe: <https://ffmpeg.org/mailman/listinfo/ffmpeg-devel>, <mailto:ffmpeg-devel-request@ffmpeg.org?subject=subscribe> Reply-To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Content-Type: multipart/mixed; boundary="===============0201794526637849712==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" <ffmpeg-devel-bounces@ffmpeg.org> Archived-At: <https://master.gitmailbox.com/ffmpegdev/20250416003435.GC4991@pb2/> List-Archive: <https://master.gitmailbox.com/ffmpegdev/> List-Post: <mailto:ffmpegdev@gitmailbox.com> --===============0201794526637849712== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="P/xdpHgqfLoQ2QmY" Content-Disposition: inline --P/xdpHgqfLoQ2QmY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Apr 12, 2025 at 02:42:11AM +0200, Michael Niedermayer wrote: > On Sat, Apr 12, 2025 at 02:19:08AM +0200, Timo Rothenpieler wrote: > > On 12.04.2025 02:11, Michael Niedermayer wrote: > > > On Fri, Apr 11, 2025 at 08:32:55AM +0200, Andreas Rheinhardt wrote: > > > > Michael Niedermayer: > > > > > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > > > > > --- > > > > > configure | 3 ++- > > > > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > >=20 > > > > > diff --git a/configure b/configure > > > > > index bd4f8723760..f1db8b6f235 100755 > > > > > --- a/configure > > > > > +++ b/configure > > > > > @@ -436,7 +436,8 @@ Advanced options (experts only): > > > > > --enable-hardcoded-tables use hardcoded tables instead of run= time generation > > > > > --disable-safe-bitstream-reader > > > > > disable buffer boundary checking in = bitreaders > > > > > - (faster, but may crash) > > > > > + (This disables some security checks a= nd can cause undefined behavior, > > > > > + it may be faster, but should only be= used with trusted input) > > > > > --sws-max-filter-size=3DN the max filter size swscale uses [= $sws_max_filter_size_default] > > > > > Optimization options (experts only): > > > >=20 > > > > I'd like to keep "crash" in the description. Not everyone (not even > > > > people setting "experts only" options) will be familiar with the te= rm > > > > "undefined behavior". > > >=20 > > > what about: > > >=20 > > > (This disables some security checks and can cause undefined behavior = and > > > crashes, it may be faster, but should only be used with trusted inp= ut) > >=20 > > Given that the undefined behaviour can in theory even include arbitrary= code > > execution, I'd probably make it even harsher and mention that worst-case > > being a possibility. >=20 > what about this: >=20 > (This disables some security checks and can cause undefined behavior, > crashes and arbitrary code execution, it may be faster, but > should only be used with trusted input) will apply, feel free to change if someone has ideas for improvment thx [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Those who are best at talking, realize last or never when they are wrong. --P/xdpHgqfLoQ2QmY Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEKAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCZ/77GwAKCRBhHseHBAsP q0KDAJ0YMObBR2g7pcmvAS6kcDoMdTphxgCfSihvAOJMuWAIoHSDqNI3b75YBvw= =5zxo -----END PGP SIGNATURE----- --P/xdpHgqfLoQ2QmY-- --===============0201794526637849712== 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". --===============0201794526637849712==--