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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id z20-20020a63c054000000b00439c6a4e1ccsm4475973pgi.62.2022.12.02.14.41.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Dec 2022 14:41:39 -0800 (PST) Date: Fri, 2 Dec 2022 14:41:38 -0800 From: Kees Cook To: jeffxu@chromium.org Cc: skhan@linuxfoundation.org, akpm@linux-foundation.org, dmitry.torokhov@gmail.com, dverkamp@chromium.org, hughd@google.com, jeffxu@google.com, jorgelo@chromium.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, mnissler@chromium.org, jannh@google.com, linux-hardening@vger.kernel.org Subject: Re: [PATCH v3] mm/memfd: MFD_NOEXEC_SEAL and MFD_EXEC Message-ID: <202212021437.C1FCD63D@keescook> References: <20221202013404.163143-1-jeffxu@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221202013404.163143-1-jeffxu@google.com> X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: EFC781C0007 X-Rspam-User: X-Stat-Signature: t5u3dpw8dgu3urc84xkfg4f7woaeqyxn X-Spamd-Result: default: False [6.10 / 9.00]; SORBS_IRL_BL(3.00)[209.85.215.171:from]; SUSPICIOUS_RECIPS(1.50)[]; SUBJECT_HAS_UNDERSCORES(1.00)[]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_NO_TLS_LAST(0.10)[]; MIME_GOOD(-0.10)[text/plain]; BAD_REP_POLICIES(0.10)[]; PREVIOUSLY_DELIVERED(0.00)[linux-mm@kvack.org]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[14]; DMARC_POLICY_ALLOW(0.00)[chromium.org,none]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; R_DKIM_ALLOW(0.00)[chromium.org:s=google]; TAGGED_RCPT(0.00)[]; DKIM_TRACE(0.00)[chromium.org:+]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_NONE(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; R_SPF_ALLOW(0.00)[+ip4:209.85.128.0/17]; FROM_HAS_DN(0.00)[]; ARC_SIGNED(0.00)[hostedemail.com:s=arc-20220608:i=1]; RCVD_VIA_SMTP_AUTH(0.00)[] X-HE-Tag: 1670020900-188320 X-Bogosity: Ham, tests=bogofilter, spamicity=0.086852, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Dec 02, 2022 at 01:33:58AM +0000, jeffxu@chromium.org wrote: > From: Jeff Xu Hi! Thanks for this update! For future versions, please also use "-n" with "git format-patch" so the patches are numbered, otherwise it's more difficult to figure out what order they should be applied in, etc. -- Kees Cook