From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2CCDC433E0 for ; Fri, 15 May 2020 19:34:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A0A9A20728 for ; Fri, 15 May 2020 19:34:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b="t0g067pI"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b="t0g067pI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726183AbgEOTel (ORCPT ); Fri, 15 May 2020 15:34:41 -0400 Received: from bedivere.hansenpartnership.com ([66.63.167.143]:53698 "EHLO bedivere.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726168AbgEOTel (ORCPT ); Fri, 15 May 2020 15:34:41 -0400 Received: from localhost (localhost [127.0.0.1]) by bedivere.hansenpartnership.com (Postfix) with ESMTP id A9CD48EE2CA; Fri, 15 May 2020 12:34:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hansenpartnership.com; s=20151216; t=1589571280; bh=+CadYKAxrvUHmhM9lJ9FfAZvxQnrlNAj/52iL48Wuws=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=t0g067pI2e4W3FS4SinFpKgds/X/r7pmOkm7lerTR2OPuHHGAbJvATsfFptB+RL3O MR+4SYjHAbUMIclvkF25rapnO7Xq61cLKThMXJHenf+lq/zs4BYGdByJoLun0Wp9W+ q/d+sr3qZHda+ZIO7o+RncaeSJcqJpY1xQmL6r9k= Received: from bedivere.hansenpartnership.com ([127.0.0.1]) by localhost (bedivere.hansenpartnership.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qi6cQuMByczq; Fri, 15 May 2020 12:34:40 -0700 (PDT) Received: from [153.66.254.194] (unknown [50.35.76.230]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bedivere.hansenpartnership.com (Postfix) with ESMTPSA id 146738EE25D; Fri, 15 May 2020 12:34:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hansenpartnership.com; s=20151216; t=1589571280; bh=+CadYKAxrvUHmhM9lJ9FfAZvxQnrlNAj/52iL48Wuws=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=t0g067pI2e4W3FS4SinFpKgds/X/r7pmOkm7lerTR2OPuHHGAbJvATsfFptB+RL3O MR+4SYjHAbUMIclvkF25rapnO7Xq61cLKThMXJHenf+lq/zs4BYGdByJoLun0Wp9W+ q/d+sr3qZHda+ZIO7o+RncaeSJcqJpY1xQmL6r9k= Message-ID: <1589571278.3653.22.camel@HansenPartnership.com> Subject: Re: [PATCH v9 0/8] TPM 2.0 trusted keys with attached policy From: James Bottomley To: Jerry Snitselaar , Jarkko Sakkinen Cc: linux-integrity@vger.kernel.org, Mimi Zohar , David Woodhouse , keyrings@vger.kernel.org, David Howells Date: Fri, 15 May 2020 12:34:38 -0700 In-Reply-To: <20200515191758.ieojyk5xhsx2hzzd@cantor> References: <20200507231147.27025-1-James.Bottomley@HansenPartnership.com> <23639de13874c00e6bb2b816b4db0b586c9a074c.camel@linux.intel.com> <483c4f1af7be41c8d091b11d4484b606ebd319b7.camel@linux.intel.com> <1589514263.5759.25.camel@HansenPartnership.com> <20200515084702.GA3404@linux.intel.com> <20200515191758.ieojyk5xhsx2hzzd@cantor> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.26.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org On Fri, 2020-05-15 at 12:17 -0700, Jerry Snitselaar wrote: > On Fri May 15 20, Jarkko Sakkinen wrote: > > On Thu, May 14, 2020 at 08:44:23PM -0700, James Bottomley wrote: > > > On Fri, 2020-05-15 at 05:22 +0300, Jarkko Sakkinen wrote: [...] > > > > sudo ./keyctl-smoke.sh > > > > 566201053 (0x80000000) > > > > keyctl_read_alloc: Permission denied > > I get keyctl_read_alloc -EPERM when I 'sudo su' and try to play with > keyctl print. > If I 'sudo su -' and then try it works as expected. Also works for > normal user. OK, I confirm on debian as well. If I create a key as real root and then try to sudo su keyctl pipe it as an ordinary user, I get EPERM. It smells like a cockup in real vs effective permissions somewhere in the keyctl handler. James