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[71.126.255.178]) by smtp.gmail.com with UTF8SMTPSA id 6a1803df08f44-6f8b0987259sm105076766d6.120.2025.05.22.15.26.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 May 2025 15:26:06 -0700 (PDT) Date: Thu, 22 May 2025 18:26:05 -0400 Message-ID: <0bb73a49ccbc93e90ea87c0dbb4097ae@paul-moore.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailer: pstg-pwork:20250522_1740/pstg-lib:20250522_1730/pstg-pwork:20250522_1740 From: Paul Moore To: Andrey Albershteyn , Richard Henderson , Matt Turner , Russell King , Catalin Marinas , Will Deacon , Geert Uytterhoeven , Michal Simek , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Andreas Larsson , Andy Lutomirski , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Chris Zankel , Max Filippov , Alexander Viro , Christian Brauner , Jan Kara , =?UTF-8?B?TWlja2HDq2wgU2FsYcO8bg==?= , =?UTF-8?Q?G=C3=BCnther_Noack?= , Arnd Bergmann , =?UTF-8?Q?Pali_Roh=C3=A1r?= , James Morris , "Serge E. Hallyn" , Stephen Smalley , Ondrej Mosnacek , Tyler Hicks , Miklos Szeredi , Amir Goldstein Cc: linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, selinux@vger.kernel.org, ecryptfs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-xfs@vger.kernel.org, Andrey Albershteyn Subject: Re: [PATCH v5 2/7] lsm: introduce new hooks for setting/getting inode fsxattr References: <20250513-xattrat-syscall-v5-2-22bb9c6c767f@kernel.org> In-Reply-To: <20250513-xattrat-syscall-v5-2-22bb9c6c767f@kernel.org> On May 13, 2025 Andrey Albershteyn wrote: > > Introduce new hooks for setting and getting filesystem extended > attributes on inode (FS_IOC_FSGETXATTR). > > Cc: selinux@vger.kernel.org > Cc: Paul Moore > > Signed-off-by: Andrey Albershteyn > --- > fs/file_attr.c | 19 ++++++++++++++++--- > include/linux/lsm_hook_defs.h | 2 ++ > include/linux/security.h | 16 ++++++++++++++++ > security/security.c | 30 ++++++++++++++++++++++++++++++ > 4 files changed, 64 insertions(+), 3 deletions(-) The only thing that gives me a slight pause is that on a set operation we are going to hit both the get and set LSM hooks, but since the code does call into the getter on a set operation this is arguably the right thing. Acked-by: Paul Moore -- paul-moore.com