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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id q5sm8414578pfk.219.2021.04.02.11.11.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Apr 2021 11:11:22 -0700 (PDT) Date: Fri, 2 Apr 2021 11:11:21 -0700 From: Kees Cook To: Josh Hunt Cc: Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org, ebiederm@xmission.com, hannes@cmpxchg.org Subject: Re: [PATCH v2] psi: allow unprivileged users with CAP_SYS_RESOURCE to write psi files Message-ID: <202104021111.AA33CFC955@keescook> References: <20210402025833.27599-1-johunt@akamai.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210402025833.27599-1-johunt@akamai.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 01, 2021 at 10:58:33PM -0400, Josh Hunt wrote: > Currently only root can write files under /proc/pressure. Relax this to > allow tasks running as unprivileged users with CAP_SYS_RESOURCE to be > able to write to these files. > > Signed-off-by: Josh Hunt Reviewed-by: Kees Cook -- Kees Cook