From patchwork Tue Feb 15 12:40:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roberto Sassu X-Patchwork-Id: 542897 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 85974C433F5 for ; Tue, 15 Feb 2022 12:44:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235609AbiBOMoK (ORCPT ); Tue, 15 Feb 2022 07:44:10 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:51606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237888AbiBOMnm (ORCPT ); Tue, 15 Feb 2022 07:43:42 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 125B820F69; Tue, 15 Feb 2022 04:43:03 -0800 (PST) Received: from fraeml714-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4JygcX42SSz67yS4; Tue, 15 Feb 2022 20:38:36 +0800 (CST) Received: from roberto-ThinkStation-P620.huawei.com (10.204.63.22) by fraeml714-chm.china.huawei.com (10.206.15.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Tue, 15 Feb 2022 13:43:00 +0100 From: Roberto Sassu To: , , , , , , CC: , , , , , , Roberto Sassu Subject: [PATCH v2 5/6] bpf-lsm: Make bpf_lsm_kernel_read_file() as sleepable Date: Tue, 15 Feb 2022 13:40:41 +0100 Message-ID: <20220215124042.186506-6-roberto.sassu@huawei.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220215124042.186506-1-roberto.sassu@huawei.com> References: <20220215124042.186506-1-roberto.sassu@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.204.63.22] X-ClientProxiedBy: lhreml753-chm.china.huawei.com (10.201.108.203) To fraeml714-chm.china.huawei.com (10.206.15.33) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Make bpf_lsm_kernel_read_file() as sleepable, so that bpf_ima_inode_hash() or bpf_ima_file_hash() can be called inside the implementation of this hook. Signed-off-by: Roberto Sassu --- kernel/bpf/bpf_lsm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c index e8d27af5bbcc..064eccba641d 100644 --- a/kernel/bpf/bpf_lsm.c +++ b/kernel/bpf/bpf_lsm.c @@ -187,6 +187,7 @@ BTF_ID(func, bpf_lsm_inode_setxattr) BTF_ID(func, bpf_lsm_inode_symlink) BTF_ID(func, bpf_lsm_inode_unlink) BTF_ID(func, bpf_lsm_kernel_module_request) +BTF_ID(func, bpf_lsm_kernel_read_file) BTF_ID(func, bpf_lsm_kernfs_init_security) #ifdef CONFIG_KEYS