From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.swemel.ru (mx.swemel.ru [95.143.211.150]) (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 60366267B9B for ; Thu, 24 Jul 2025 13:20:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.143.211.150 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753363213; cv=none; b=CBQrnbMkIoQjeAJmJqz7terGNNqiLbU0/sJhOu9ypn4PpW96qs6qNVw4C6Mjuw3s53E201EJPpWx9ScpzCc6107fpLGNFZXhzmx/89Rj2LBFJRO3MoIPZBvw/g6G0YqdUByr+qcd1C5FFbWJ/AkHFMcspugN/ngebMziVce2BeU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753363213; c=relaxed/simple; bh=oG/DsAwFDCTbp0l2B3usokGhizVfBRXogzvqsy+9VJg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=BmuN+lxVpEDHhxcMuuOhcqQSHtDqk2VesBsxYyF7goNRm/XIQDY4LqbDN9siJDpg+L5eltKh7a/DYJk4j48Dv36qJaLr/RtE6TPhrI35ejc6OoH0C2EUc+bEK4j2KRbhrLyzjycIO14eW8ftQEH4EBWp+LRDZZPmsgmoOtHst2s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=swemel.ru; spf=pass smtp.mailfrom=swemel.ru; dkim=pass (1024-bit key) header.d=swemel.ru header.i=@swemel.ru header.b=kg8Mz3R/; arc=none smtp.client-ip=95.143.211.150 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=swemel.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=swemel.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=swemel.ru header.i=@swemel.ru header.b="kg8Mz3R/" From: Konstantin Andreev DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=swemel.ru; s=mail; t=1753362619; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=0Xox2g9UldDiSOWvjLLVt7vJF9+PobGEqyMI12P0Ot4=; b=kg8Mz3R/CCTf0Vjus5ZXDn/Aa+ews9JsyqxKxFR0dbqv0WOo9A9lDwq1t6KQPbHOWCSvrS 1rAQjzQ3MgdC88QYFTKo43hS84xExcYUzU9fJ+znW/e8WRgfeHHone1Da1ZWi0uc+Ixsun boohuQjRWv6bnDCa52HLrgFp13XLLZ8= To: casey@schaufler-ca.com Cc: linux-security-module@vger.kernel.org Subject: [PATCH 00/19] smack: clean up xattr handling Date: Thu, 24 Jul 2025 16:09:33 +0300 Message-ID: Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A set of minor bug fixes and optimizations in Smack xattr handling. Logically independent, but with the code dependencies. The patch set applies on top of: https://github.com/cschaufler/smack-next/commits/next commit 6ddd169d0288 Konstantin Andreev (19): smack: fix bug: changing Smack xattrs requires cap_sys_admin smack: fix bug: changing Smack xattrs requires cap_mac_override smack: fix bug: setting label-containing xattrs silently ignores input garbage smack: stop polling other LSMs & VFS to getxattr() unsupported SMACK64IPIN/OUT smack: restrict getxattr() SMACK64TRANSMUTE to directories smack: fix bug: getxattr() returns invalid SMACK64EXEC/MMAP smack: deduplicate task label validation smack: smack_inode_setsecurity: prevent setting SMACK64EXEC/MMAP in other LSMs smack: smack_inode_setsecurity: prevent setting SMACK64IPIN/OUT in other LSMs smack: fix bug: smack_inode_setsecurity() imports alien xattrs as labels smack: fix bug: smack_inode_setsecurity() false EINVAL for alien xattrs smack: restrict setxattr() SMACK64IPIN/IPOUT to sockets smack: restrict setxattr() SMACK64EXEC/MMAP to regular files smack: return EOPNOTSUPP for setxattr() unsupported SMACK64(TRANSMUTE) smack: smack_inode_setsecurity(): skip checks for SMACK64TRANSMUTE smack: smack_inode_notifysecctx(): reject invalid labels smack: smack_inode_post_setxattr(): find label instead of import smack: smack_inode_setsecurity(): find label instead of import smack: deduplicate strcmp(name, XATTR_{,NAME_}SMACK*) Documentation/admin-guide/LSM/Smack.rst | 3 +- security/smack/smack.h | 2 + security/smack/smack_access.c | 22 +- security/smack/smack_lsm.c | 492 +++++++++++++++--------- 4 files changed, 324 insertions(+), 195 deletions(-) -- 2.43.0