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[94.245.46.49]) by smtp.gmail.com with ESMTPSA id t24sm8822318lfk.90.2020.04.06.05.59.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2020 05:59:35 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Mon, 6 Apr 2020 14:59:28 +0200 To: William Kucharski Cc: Uladzislau Rezki , Peter Zijlstra , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm , jroedel@suse.de, Vlastimil Babka , Thomas Gleixner Subject: Re: [PATCH] mm/vmalloc: Sanitize __get_vm_area() arguments Message-ID: <20200406125928.GA23653@pc636> References: <20200404185229.GA424@pc636> <20200405172315.GA8404@pc636> <20200405192108.GA9429@pc636> <65663E36-DC60-4E6E-B6C6-3A0F6852543D@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <65663E36-DC60-4E6E-B6C6-3A0F6852543D@oracle.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 05, 2020 at 02:49:13PM -0600, William Kucharski wrote: > That's fine. > > One could still argue size should be sanitized earlier when start and end > are, but it's a nit either way (though size is used before it's checked, > it's not in any way that could fail with bad results.) > Agree. Therefore i do not have a strong opinion here, so it basically depends on how to look at it :) -- Vlad Rezki