From patchwork Thu Feb 15 14:39:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maurizio Lombardi X-Patchwork-Id: 13558503 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E42C769DF0 for ; Thu, 15 Feb 2024 14:39:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708007992; cv=none; b=S8Ruz5l2RZCl8zTHQseEuNC7ll1hmszLzWnOK56eh7lRARB2MnvnDgPsJCx7g8rAZhzlTYvkm6DSJ8RJVpNvFbod8y6cYx0xSvHgHv6bjCzOSsPFegjAXdU81C4BYsfMfXsOQ6grE1lpVe1iBI2qfXwbYF2Kpx6/yJFjMbTsW/M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708007992; c=relaxed/simple; bh=yfirhgvzqhvvTDWuDa6qT3uSz6iDfNexNWm1sMLqB1Y=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=L5FUu8w6lNNMZM/f4D66YWh7amJSQaSdW5koBV4BCKHDBmpGPdcU5Ia3Bu4rrNs4AJhY0y0Ux7T++Xu393VXqk20Jr+wk395Detscxokfr+tfgiwrQwTYH4zr6ShAeg2ajor1aSH+MHXVH8CRtiXOEJwa6VTJjed7sfLPpz9DsQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=Y2aJaubz; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Y2aJaubz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1708007989; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=7Dchf+V7L9NEpP1yW2LEbdlnO7STAfvA1Xp2MckaNXU=; b=Y2aJaubzIhJovDPuORUCvB43zIxtIjbnvpl45pSMSLD/glbEJXMu+hfzFCMWR57sNo/sK2 ibf+XAR/VhbPNRNxcbP0LFSSkhCgUjoKx6Y+jyLw/ep91ibpPg32qfNOUwmgeKHiqOEg8r JswE0ETJXbCbTeBizJMKNwUYMvlnAWw= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-203-VPEGKrV1PJygBvAtV7yfIg-1; Thu, 15 Feb 2024 09:39:48 -0500 X-MC-Unique: VPEGKrV1PJygBvAtV7yfIg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 0E08A3C0009D; Thu, 15 Feb 2024 14:39:48 +0000 (UTC) Received: from kalibr.redhat.com (unknown [10.47.238.145]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0EBF0400D5CC; Thu, 15 Feb 2024 14:39:45 +0000 (UTC) From: Maurizio Lombardi To: michael.christie@oracle.com Cc: d.bogdanov@yadro.com, target-devel@vger.kernel.org, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, james.bottomley@hansenpartnership.com Subject: [PATCH V2 0/2] Fix SELinux denials against target driver Date: Thu, 15 Feb 2024 15:39:42 +0100 Message-Id: <20240215143944.847184-1-mlombard@redhat.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 Steps to reproduce: 1) install the ibacm, rdma-core and targetcli 2) service ibacm start (ignore the errors) 3) Look at the dmesg, you will see an error message like "db_root: cannot open: /etc/target" 4) Execute $ sudo ausearch -m AVC,USER_AVC -ts recent type=AVC msg=audit(1707990698.893:610): avc: denied { read } for pid=26447 comm="systemd-modules" name="target" dev="dm-0" ino=973050 scontext=system_u:system_r:systemd_modules_load_t:s0 tcontext=system_u:object_r:targetd_etc_rw_t:s0 tclass=dir permissive=0 Fix inspired by commit 581dd69830341d299b0c097fc366097ab497d679 V2: fix a memory leak in the error path, add a patch to set a freed pointer to NULL to avoid possible double frees Maurizio Lombardi (2): target: fix selinux error when systemd-modules loads the target module target: set the xcopy_wq pointer to NULL after free. drivers/target/target_core_configfs.c | 12 ++++++++++++ drivers/target/target_core_xcopy.c | 4 +++- 2 files changed, 15 insertions(+), 1 deletion(-)