From patchwork Tue Jun 23 00:32:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyler Hicks X-Patchwork-Id: 11619485 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 07EB390 for ; Tue, 23 Jun 2020 00:34:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E4D4C207DD for ; Tue, 23 Jun 2020 00:34:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="bSxy2P2Y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732020AbgFWAe1 (ORCPT ); Mon, 22 Jun 2020 20:34:27 -0400 Received: from linux.microsoft.com ([13.77.154.182]:47558 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732017AbgFWAe0 (ORCPT ); Mon, 22 Jun 2020 20:34:26 -0400 Received: from sequoia.work.tihix.com (162-237-133-238.lightspeed.rcsntx.sbcglobal.net [162.237.133.238]) by linux.microsoft.com (Postfix) with ESMTPSA id F378420B4780; Mon, 22 Jun 2020 17:34:24 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com F378420B4780 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1592872465; bh=4WeD0C27mVX0onraF5izAXrMPG9y5qT1kwgv9gWu4gA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bSxy2P2YWMR35RPL5XjOzKnQdFN0xghqqr00ABvR6u2xQxytt5BDMXy1jt3vhUxjr YbsdCtO/CeyQ+cR6K2n8wHLqLYyD3alGMF6tuSFET5QTzo0K/rjxWfBK404z54j5C7 wEQyuORzDE7/t24/56f64c/KVUCGopMjFRGpaMLw= From: Tyler Hicks To: Mimi Zohar , Dmitry Kasatkin Cc: James Morris , "Serge E . Hallyn" , Lakshmi Ramasubramanian , Prakhar Srivastava , linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org Subject: [PATCH 09/12] ima: Use correct type for the args_p member of ima_rule_entry.lsm elements Date: Mon, 22 Jun 2020 19:32:33 -0500 Message-Id: <20200623003236.830149-10-tyhicks@linux.microsoft.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200623003236.830149-1-tyhicks@linux.microsoft.com> References: <20200623003236.830149-1-tyhicks@linux.microsoft.com> MIME-Version: 1.0 Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org Make args_p be of the char pointer type rather than have it be a void pointer that gets casted to char pointer when it is used. It is a simple NUL-terminated string as returned by match_strdup(). Signed-off-by: Tyler Hicks --- security/integrity/ima/ima_policy.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index e9c7d318fdd4..514baf24d6a5 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -74,7 +74,7 @@ struct ima_rule_entry { int pcr; struct { void *rule; /* LSM file metadata specific */ - void *args_p; /* audit value */ + char *args_p; /* audit value */ int type; /* audit type */ } lsm[MAX_LSM_RULES]; char *fsname; @@ -315,7 +315,7 @@ static struct ima_rule_entry *ima_lsm_copy_rule(struct ima_rule_entry *entry) &nentry->lsm[i].rule); if (!nentry->lsm[i].rule) pr_warn("rule for LSM \'%s\' is undefined\n", - (char *)entry->lsm[i].args_p); + entry->lsm[i].args_p); } /* Disown all references that were shallow copied */ @@ -917,7 +917,7 @@ static int ima_lsm_rule_init(struct ima_rule_entry *entry, &entry->lsm[lsm_rule].rule); if (!entry->lsm[lsm_rule].rule) { pr_warn("rule for LSM \'%s\' is undefined\n", - (char *)entry->lsm[lsm_rule].args_p); + entry->lsm[lsm_rule].args_p); if (ima_rules == &ima_default_rules) { kfree(entry->lsm[lsm_rule].args_p); @@ -1666,27 +1666,27 @@ int ima_policy_show(struct seq_file *m, void *v) switch (i) { case LSM_OBJ_USER: seq_printf(m, pt(Opt_obj_user), - (char *)entry->lsm[i].args_p); + entry->lsm[i].args_p); break; case LSM_OBJ_ROLE: seq_printf(m, pt(Opt_obj_role), - (char *)entry->lsm[i].args_p); + entry->lsm[i].args_p); break; case LSM_OBJ_TYPE: seq_printf(m, pt(Opt_obj_type), - (char *)entry->lsm[i].args_p); + entry->lsm[i].args_p); break; case LSM_SUBJ_USER: seq_printf(m, pt(Opt_subj_user), - (char *)entry->lsm[i].args_p); + entry->lsm[i].args_p); break; case LSM_SUBJ_ROLE: seq_printf(m, pt(Opt_subj_role), - (char *)entry->lsm[i].args_p); + entry->lsm[i].args_p); break; case LSM_SUBJ_TYPE: seq_printf(m, pt(Opt_subj_type), - (char *)entry->lsm[i].args_p); + entry->lsm[i].args_p); break; } seq_puts(m, " ");