From patchwork Fri Mar 10 19:26:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mirsad Goran Todorovac X-Patchwork-Id: 13170000 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3097C74A44 for ; Fri, 10 Mar 2023 19:26:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229659AbjCJT0W (ORCPT ); Fri, 10 Mar 2023 14:26:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229580AbjCJT0V (ORCPT ); Fri, 10 Mar 2023 14:26:21 -0500 Received: from domac.alu.hr (domac.alu.unizg.hr [IPv6:2001:b68:2:2800::3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D23441340E8; Fri, 10 Mar 2023 11:26:19 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by domac.alu.hr (Postfix) with ESMTP id 9A67860501; Fri, 10 Mar 2023 20:26:16 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=alu.hr; s=mail; t=1678476377; bh=Q5wxs19SY0EymuNpLehBcnkGyEEzKnIQG/lWl0cjgdw=; h=Date:From:To:Cc:Subject:From; b=Y2bHxrgCaCfhlj6IOjpAOyS8eKcAQ8AUxOd53GorXBWVTTvicQDgyL07IR/AAtujN 4n5+xE1OTLj8VzpUCjbBOwmSdLEKhdASz5vDNIJJkmRIuZH79QcaZAwGIcHLNPMSuQ WhxndFqz63PTEnrA5dmLX9Zt/Pz0q6Ebc1oZdMf470FBcwJTpOo5+bcUAkIqUP699G DRGWlaNAmjrI+DkkCadQK0hhXluZw6tk7jkhkrsxRzDEAXJzER2qQ1uHa8Y2SJY51T 8mQlc7FlY+C0f//yl2b/tug3WnDqRjD4k1H5P3ZMSryG+z+NlNwBYgx7KTkYCgIo7n oXcacUAtVCIkw== X-Virus-Scanned: Debian amavisd-new at domac.alu.hr Received: from domac.alu.hr ([127.0.0.1]) by localhost (domac.alu.hr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id omi2TE8uLxU7; Fri, 10 Mar 2023 20:26:14 +0100 (CET) Received: by domac.alu.hr (Postfix, from userid 1014) id 7AB7560502; Fri, 10 Mar 2023 20:26:14 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=alu.hr; s=mail; t=1678476374; bh=Q5wxs19SY0EymuNpLehBcnkGyEEzKnIQG/lWl0cjgdw=; h=Date:From:To:Cc:Subject:From; b=oAxssaA7+wt7b6MQOwv+Z1DgULMXdg3Gv/Z7J+kQ8DXpFDJPYbsi5b3RQ9HJVrXgA RmGHQqJNGYTN3Itm1/lNuMSqoeBktnhNA6iKqxBBjyrtHQVssWkAXNYC4wMrxn1+z/ Le+/fujeMnga0TwF0OXoBi25myUojapr9j93IP70YLZEDMb5NA72Eh1V/rAd7B5T7F PAqSbRtILsv1EItJtI5S633wZ3j9wHN58by2w2M85Vm+W9cIQpLKVHxlNYVz3An5jC lZRwP3jvYxt469qgNrsM+rAK+Xgv9tyRQCGf+tDaNZKqssRRAEDl3cZDyozFPKiJ/J YH7ntR7HORvzA== Date: Fri, 10 Mar 2023 20:26:14 +0100 From: Mirsad Goran Todorovac To: linux-kernel@vger.kernel.org Cc: linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, Greg Kroah-Hartman , Andy Shevchenko , Thomas =?iso-8859-1?q?Wei=DFschuh?= , Mimi Zohar , Paul Moore , Casey Schaufler , Christian =?iso-8859-1?q?G=F6ttsc?= =?iso-8859-1?q?he?= , =?iso-8859-1?q?Micka=EBl_Sala?= =?iso-8859-1?q?=FCn?= , Frederick Lawler Subject: [PATCH v1 0/2] Add destructor hook to LSM modules Message-ID: <20230310192614.GA528@domac.alu.hr> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: LSM security/integrity/iint.c had the case of kmem_cache_create() w/o a proper kmem_cache_destroy() destructor. Introducing the release() hook would enable LSMs to release allocated resources on exit, and in proper order, rather than dying all together with kernel shutdown in an undefined order. Thanks, Mirsad --- include/linux/lsm_hooks.h | 1 + security/integrity/iint.c | 7 +++++++ 2 files changed, 8 insertions(+) -- Mirsad Goran Todorovac Sistem inženjer Grafički fakultet | Akademija likovnih umjetnosti Sveučilište u Zagrebu System engineer Faculty of Graphic Arts | Academy of Fine Arts University of Zagreb, Republic of Croatia The European Union