From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 93600EB64DA for ; Fri, 30 Jun 2023 19:45:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=EwQLZgOWtzSgsJgtWCoFBn2oZ6m7oCr3UrvTP+HZzbE=; b=fXg6wtHjkMBtQNoX5hQDMZ7/U5 /znsG+vxV4osyXphuL4XY3YZ53p1l3494VUlgPKf4RXZzeuZ7WZhhiEK5fBScrRBX7+Xyelq5QWWe vTO70CZ+0dEGCfQEXQie/JD72FxiagNMzpXJUsQXiz+0J/M82fnHG8Saxx3N2S2UoeYLINC4zMYHn clJdZ9beIr/FpCjxWhqo+VLkQZAYxpW7KLKbFsjfVwwz9nIetagp5Ik4pK3rUN0iaOThp8x5ALk9T JVB6fTeOyGxYo3e8Qm6DwShTzB11dtk7ke4YsrmSwQW88yeqZ8rnT6R8DeI+rRRybFzD0Mug+6amw FnvctcZA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qFK3J-004Qaq-2z; Fri, 30 Jun 2023 19:45:09 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qFK3H-004QaT-1N for linux-riscv@lists.infradead.org; Fri, 30 Jun 2023 19:45:08 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 798996179C; Fri, 30 Jun 2023 19:45:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3291C433C8; Fri, 30 Jun 2023 19:45:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1688154305; bh=Gz3EGjK0wDfPFqqPSFx9EN34bJyDZae+TOOU/oFUqkc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=l5/CBbIcmZzqWROpNGgc/CmzTwFgP9rZyUp8A1QdPu09GeFAvlgHUKihV/9/2Aw6u R+PXolwZe2WHbRCTHJoUfCMuGRw0mDVGN66Yq88BTSVGEbUmY5EQv2I2QAFL9NJuDD TH2dhHu7yOItVSw/NKDvESkPX/CnEiJC5zQ0SsvYhRXAZ5SDR4QeYW8w/FDFnf/pJw zX0/cp+PhPwofjT0SfaQc9vFU3+4trABpM5XZGlQ8+exl/2CZO1QXVJtPmwhzp8tYm sl0n+0EPVyol/zkeqcPIFHdVCTR4bOSZvgoU6Qkl+S/aFrSC4qVYiS7jyyCubZD0CF SjJI/7ADIBSYQ== Date: Fri, 30 Jun 2023 20:45:01 +0100 From: Conor Dooley To: Sami Tolvanen Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , Kees Cook , Nathan Chancellor , Nick Desaulniers , linux-riscv@lists.infradead.org, llvm@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/6] riscv: KCFI support Message-ID: <20230630-imprecise-ibuprofen-98f70a8665da@spud> References: <20230629234244.1752366-8-samitolvanen@google.com> <20230630-phrasing-strung-12e53988ad81@spud> MIME-Version: 1.0 In-Reply-To: <20230630-phrasing-strung-12e53988ad81@spud> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230630_124507_527827_4F954A30 X-CRM114-Status: GOOD ( 17.63 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7453561180882009543==" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org --===============7453561180882009543== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="5RH3lh36f2f8cAFF" Content-Disposition: inline --5RH3lh36f2f8cAFF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jun 30, 2023 at 07:48:23PM +0100, Conor Dooley wrote: > Hey Sami, >=20 > On Thu, Jun 29, 2023 at 11:42:45PM +0000, Sami Tolvanen wrote: > > This series adds KCFI support for RISC-V. KCFI is a fine-grained > > forward-edge control-flow integrity scheme supported in Clang >=3D16, > > which ensures indirect calls in instrumented code can only branch to > > functions whose type matches the function pointer type, thus making > > code reuse attacks more difficult. >=20 > > base-commit: c6b0271053e7a5ae57511363213777f706b60489 >=20 > Could you please rebase this on top of v6.5-rc1 when that comes out? > This base-commit is some random commit from Linus' tree, that because we > are currently in the merge window has is not in the RISC-V trees yet, > and means the series wasn't applied by our CI stuff. In other news, I gave it a go with 03b118c7e456 ("[SLP] Fix crash on attempt to access on invalid iterator state.") & have been running it for a bit. All seems in order so far, nice :) --5RH3lh36f2f8cAFF Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZJ8wvQAKCRB4tDGHoIJi 0n7sAPoCIPcrVQj6zFZMwpWtS5syPkfKJvsn7z+aOpGtLJuswgEA0cHVGWrRG5F/ 7pkuFFiHmNuHKoATNB+0d+B3WOzhAAA= =a0Pn -----END PGP SIGNATURE----- --5RH3lh36f2f8cAFF-- --===============7453561180882009543== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv --===============7453561180882009543==--