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bh=UiZJecR1KEdfUqt0tb4Uui5jnE7dFBjPmP37ANDfxHc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sqbCtdEz4pPvHAdzQkgmcvSyDiIqQ9xJuHDYkWFTwPUzLNdMzwQznaKrNZJxP3Ctx ubqmqZnGMPkRHbWg/u/VvYx1utnBO3IJ3oC0ittHfV6cyJhjbBsuWt7yrfOqgkmkHz o2t/Le1aBw9FtYhTAE/GcSr90/8AfSG5PrJcLLPo7qCzY9awrpF5ReZe2TB9I6uxJl BiGFRBPFdqsglWuX6u5X79f1mc/jF2L/3zIEvtY1EJkhZ908QejqTcbT045oE8z0CG KJFg/R2I0XzeHigYkc13ooUkOu1DhOhgSkpjFfh0aDGUwGkvO1w5RMvfvO9GSSZv2z IfpjE/1vdBlNA== From: SeongJae Park To: Andrew Morton Cc: Jeff Xu , SeongJae Park , skhan@linuxfoundation.org, keescook@chromium.org, dmitry.torokhov@gmail.com, dverkamp@chromium.org, hughd@google.com, jorgelo@chromium.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, jannh@google.com, linux-hardening@vger.kernel.org, linux-security-module@vger.kernel.org, kernel test robot Subject: Re: [PATCH v7 3/6] mm/memfd: add MFD_NOEXEC_SEAL and MFD_EXEC Date: Fri, 16 Dec 2022 19:31:53 +0000 Message-Id: <20221216193153.100849-1-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221216112102.8eec617257eb90fccb9ff503@linux-foundation.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: gza8exzdkd5r6mehz6ddgbhyz1oren9c X-Rspam-User: X-Rspamd-Queue-Id: 5966640018 X-Rspamd-Server: rspam06 X-HE-Tag: 1671219117-739581 X-HE-Meta: U2FsdGVkX199t3nyUOdkshXaw4HXeI+NEnv5eOzNpufwiRZ/kY8vh591U3ieubYobACi7FcjZuBdk5xUNGpeVeFgQYqBE7zgNYZffWoBmt47/dlm9sgY9Y01o81zKAxk8URQTHWgp1vhkihRm+fUA2K0BFZBIGOIo4KJ/mfyLiimk3qrB1B6589zNVFCLpkbgA1qZgDb4nQSFmTaWmr0b1mPY+nFMv6zh3vWbY1G17yqq1vYIzqKEt7+60sSazuVo91+nJs5NPg9O62k2SZcsj5K8NDRjBs9dsjMjUZgFjIPO10q4rav6aQpE0OSihi6ZTueLWyFRiGgA/fKgIKEdb3n1y69b9anmmWwxLtKBLtqFAHLZ9RNdoyhibFLOaBjD66lrdsHc4j6vrBkCP6PM6XWYPw4bI7EVrLczD38HOarBxJZI8jPDW9Obg00kZXqZAwqoiNkjOGUxjejDDbQjYo2RxNyMovN3D57CCjqSewZGM2lS23NtXRqGTgZilfLsq/fr6C140L/HW0+XeD2MxMajlpIERLmll8DETKCneuPbtRCYx3okwF6ij2z9y9GcHkDXNrHE5Z4Ck1TtJbzuy2OEpNTjpwx40+Cc1dz9vQikZEqjxtrCXJ8DOv8eF+u3JKKLz9/59D/npIYQS1X63Qusz47wbUysYSQHjFkT9OwY2zxAIlB+fGKNSfxF7Y70E5Rl2rZxtwU6ZnMeMvjEQiluvzy0nMkR1HtOrQuAFwFZqXIXofFjtT9YP7IT0/NADhdMYVMCaGowcYz53noDIHoDWD8x3tSvUiz9TH7T+cX/xij9aEgZRYF8DE1cTYPeBTUdEvMF7Y9B1sQVyQ4y15ZhaorAH/m2gWRmE3gAY6IEZKGGq3SvL+QPk7sg799sLIeYaIKKyr4PmIuxg/dbOQoITURwxju6kLoyzE7ZbhPZ2MuTkQRl7QYhugTC+Ea2MSSSbwNIATNvyKFgNA AbstWpft 63GOrF8jOeUdP6NcLyAGlacUakq5M1H399YkOyluih4Z7mT4DuM8PHnT6AvEjzxc/q9dAnyX0gXrjfewaCJiO5NlLv8Rtbe6p9sczFfpuvQHyPlaI0Kf5U+dU7LyRhdh6rqD1bwC/5wF2mrNR2ZpnNpeHcdEAtPFIkneWd5cHJUFOcEmvMb9Xn/kLbc1j/3BK1pFY X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Jeff and Andrew, On Fri, 16 Dec 2022 11:21:02 -0800 Andrew Morton wrote: > On Fri, 16 Dec 2022 11:03:06 -0800 Jeff Xu wrote: > > > > > > > I just posted a patch for that: > > > https://lore.kernel.org/linux-mm/20221216183314.169707-1-sj@kernel.org/ > > > > > > Could you please check? > > > > > Hi SeongJae, > > Thanks for the patch ! I responded to the other thread. Thank you for the quick and nice response, Jeff :) > > > > Andrew, > > >From a process point of view, should I update this patch to V9 to > > include the fix ? > > or add a patch directly on top in the mm-unstable branch. > > A little fixup patch wouild be preferable. > > But I added the below yesterday, so I think we're all good? Good, thank you. I should be more patient until you push it, but I was unable to resist ;) Thanks, SJ > > --- a/kernel/pid_sysctl.h~mm-memfd-add-mfd_noexec_seal-and-mfd_exec-fix > +++ a/kernel/pid_sysctl.h > @@ -52,8 +52,10 @@ static inline void register_pid_ns_sysct > register_sysctl_paths(vm_path, pid_ns_ctl_table_vm); > } > #else > +static inline void initialize_memfd_noexec_scope(struct pid_namespace *ns) {} > static inline void set_memfd_noexec_scope(struct pid_namespace *ns) {} > static inline void register_pid_ns_ctl_table_vm(void) {} > +static inline void register_pid_ns_sysctl_table_vm(void) {} > #endif > > #endif /* LINUX_PID_SYSCTL_H */ > _