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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27529C07E95 for ; Tue, 20 Jul 2021 21:49:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04C7F60E0C for ; Tue, 20 Jul 2021 21:49:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230465AbhGTVI3 (ORCPT ); Tue, 20 Jul 2021 17:08:29 -0400 Received: from jabberwock.ucw.cz ([46.255.230.98]:42104 "EHLO jabberwock.ucw.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231262AbhGTVIL (ORCPT ); Tue, 20 Jul 2021 17:08:11 -0400 Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 6CED81C0B7C; Tue, 20 Jul 2021 23:48:48 +0200 (CEST) Date: Tue, 20 Jul 2021 23:48:47 +0200 From: Pavel Machek To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, David Wysochanski , Chuck Lever , Steven Rostedt , "J. Bruce Fields" , Sasha Levin Subject: Re: [PATCH 5.10 147/243] NFSD: Fix TP_printk() format specifier in nfsd_clid_class Message-ID: <20210720214847.GB704@amd> References: <20210719144940.904087935@linuxfoundation.org> <20210719144945.657682587@linuxfoundation.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="cvVnyQ+4j833TQvp" Content-Disposition: inline In-Reply-To: <20210719144945.657682587@linuxfoundation.org> User-Agent: Mutt/1.5.23 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org --cvVnyQ+4j833TQvp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > [ Upstream commit a948b1142cae66785521a389cab2cce74069b547 ] >=20 > Since commit 9a6944fee68e ("tracing: Add a verifier to check string > pointers for trace events"), which was merged in v5.13-rc1, > TP_printk() no longer tacitly supports the "%.*s" format specifier. >=20 > These are low value tracepoints, so just remove them. So I understand we want this for mainline, but AFAICT 5.10 does not have 9a6944fee68e ("tracing: Add a verifier to check string pointers for trace events") commit, so this does not fix any bug and removal of tracepoints can be surprising. Best regards, Pavel =09 --=20 DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany --cvVnyQ+4j833TQvp Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAmD3RL8ACgkQMOfwapXb+vLDrACfW36vdkRGR10QmAgw0nCLoBdW ZOcAoMBcL8dJt95haFYQmrnDcyNMEAxj =+twP -----END PGP SIGNATURE----- --cvVnyQ+4j833TQvp--