Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161021AbXALHnQ (ORCPT ); Fri, 12 Jan 2007 02:43:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161022AbXALHnQ (ORCPT ); Fri, 12 Jan 2007 02:43:16 -0500 Received: from ug-out-1314.google.com ([66.249.92.173]:27977 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161021AbXALHnP (ORCPT ); Fri, 12 Jan 2007 02:43:15 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=an98Juzf4mM2/B67RVpDWi7CXN741C14x/VfaRx00j9z2la9N3Ve10o5+3KBRfbi1ThHbdX4iq9gjSznAZPzd93bnO3Q/+CwChPLowb2trx6OxMM11Ksna0KJ5SAt0Jp2uoBW5rQTpyHxPWaL3gmquUE80Y1rP3jbLSBjh6k+0k= Message-ID: <84144f020701112343n1e398fc4r65fa83717f9e5f02@mail.gmail.com> Date: Fri, 12 Jan 2007 09:43:10 +0200 From: "Pekka Enberg" To: "Serge E. Hallyn" Subject: Re: mprotect abuse in slim Cc: "Christoph Hellwig" , "Arjan van de Ven" , "Mimi Zohar" , akpm@osdl.org, kjhall@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, safford@saff.watson.ibm.com In-Reply-To: <20070111154957.GG4791@sergelap.austin.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1168312045.3180.140.camel@laptopd505.fenrus.org> <20070109094625.GA11918@infradead.org> <20070109231449.GA4547@sergelap.austin.ibm.com> <20070110155845.GA373@sergelap.austin.ibm.com> <84144f020701102339n1935b0a7v5ca3419fe3b66be5@mail.gmail.com> <20070111154957.GG4791@sergelap.austin.ibm.com> X-Google-Sender-Auth: e36cee2ac50bcc33 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 894 Lines: 20 On 1/11/07, Serge E. Hallyn wrote: > Right, but is returning -EINVAL to userspace on munmap a problem? Yes, because an application has no way of reusing the revoked mapping range. The current patch should get this right, though. On 1/11/07, Serge E. Hallyn wrote: > Thanks for the tw other patches - I'll give them a shot and check > out current munmap behavior just as soon as I get a chance. I hacked the remaining open issues yesterday so please use this instead: http://www.cs.helsinki.fi/u/penberg/linux/revoke/revoke-2.6.20-rc4 The one at kernel.org will be updated as well when mirroring catches up. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/