From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (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 581361BC39; Mon, 8 Jul 2024 19:42:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.158.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720467736; cv=none; b=jLV8Dr4RuaWW/YFssnER4sYOz5TeCokzJsGFNuZh6oyuGV4xsoaQNKpeMGdL58UOGX+ap6Eljr7vQJ3Aa6i4LI2myWvQU+41hvHMYCiapTCi95uuMM8l0EPvYlunQ4f2/nJLVXr4zO8yCFufYa5DDJOzlWYGYkraJd99++l/Kiw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720467736; c=relaxed/simple; bh=K7u+BIAt2irHXEQT9sA7vjegBx9jTVp26WkqeZJFuWM=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:Mime-Version; b=W+E9XaVESm9Oe4ISDer3m3WWVejxapzo3fdL7bfMVwCKNi9udmTjoZxUELT7alzKpWqTXW+46svHlBZxXMIhtalF72+zmGn0yUpNT3RZKsIQTa+uNrrU+bOQzZXqMkKyUBcntkSED/VShQhoQY2DSBxtPikElYjM0Kok+dmCHyY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=pBxDm61h; arc=none smtp.client-ip=148.163.158.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="pBxDm61h" Received: from pps.filterd (m0356516.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 468HTFap022414; Mon, 8 Jul 2024 19:40:52 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h= message-id:subject:from:to:cc:date:in-reply-to:references :content-type:mime-version:content-transfer-encoding; s=pp1; bh= PI6ioTZxN04v0o4ledQDCL/DhPKUMfb+Yex2f/zaul8=; b=pBxDm61hkqLjxCJk JASTnWQtzszY0tjxylrO0PcfEt+PMQ5sSK+JqVvg5adHJQm5HkDYcCGubdZr34XZ 5YO6B/LmRQ1WVrV1YAmkuTuGb+ud5nlso6xkVkpRQTB2WnHHB8wLMVcoVySFjW9f fw3sGNH7dfELCRvRaSsWlI8uv/BbX3Ket//XxVLZE37rvk6VjO3tvZS8DwMjTvI2 ZhZNY6NLaqFzv+FBwbdIId99I28788IYOolAvnxD8Zhqtzi3o27xbvEn68yCKMn9 HgarhQX4h11doRgEmLu3sy1Dqy/qSU0MYWhoI7PUa92iAJL2FRvt/yzcXTAAm5ZC b5ddxg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 408mhu89mf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 Jul 2024 19:40:52 +0000 (GMT) Received: from m0356516.ppops.net (m0356516.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 468JepVb023152; Mon, 8 Jul 2024 19:40:51 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 408mhu89mb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 Jul 2024 19:40:51 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 468GxfYc025952; Mon, 8 Jul 2024 19:40:50 GMT Received: from smtprelay04.dal12v.mail.ibm.com ([172.16.1.6]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 407hrmghn7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 Jul 2024 19:40:50 +0000 Received: from smtpav02.wdc07v.mail.ibm.com (smtpav02.wdc07v.mail.ibm.com [10.39.53.229]) by smtprelay04.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 468JelrQ27591248 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 8 Jul 2024 19:40:49 GMT Received: from smtpav02.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 27EA058059; Mon, 8 Jul 2024 19:40:47 +0000 (GMT) Received: from smtpav02.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2A8DE5805B; Mon, 8 Jul 2024 19:40:43 +0000 (GMT) Received: from li-5cd3c5cc-21f9-11b2-a85c-a4381f30c2f3.ibm.com (unknown [9.61.72.224]) by smtpav02.wdc07v.mail.ibm.com (Postfix) with ESMTP; Mon, 8 Jul 2024 19:40:43 +0000 (GMT) Message-ID: <968619d912ee5a57aed6c73218221ef445a0766e.camel@linux.ibm.com> Subject: Re: [RFC PATCH v19 5/5] samples/should-exec: Add set-should-exec From: Mimi Zohar To: =?ISO-8859-1?Q?Micka=EBl_Sala=FCn?= , Al Viro , Christian Brauner , Kees Cook , Linus Torvalds , Paul Moore , "Theodore Ts'o" Cc: Alejandro Colomar , Aleksa Sarai , Andrew Morton , Andy Lutomirski , Arnd Bergmann , Casey Schaufler , Christian Heimes , Dmitry Vyukov , Eric Biggers , Eric Chiang , Fan Wu , Florian Weimer , Geert Uytterhoeven , James Morris , Jan Kara , Jann Horn , Jeff Xu , Jonathan Corbet , Jordan R Abrahams , Lakshmi Ramasubramanian , Luca Boccassi , Luis Chamberlain , "Madhavan T . Venkataraman" , Matt Bobrowski , Matthew Garrett , Matthew Wilcox , Miklos Szeredi , Nicolas Bouchinet , Scott Shell , Shuah Khan , Stephen Rothwell , Steve Dower , Steve Grubb , Thibaut Sautereau , Vincent Strubel , Xiaoming Ni , Yin Fengwei , kernel-hardening@lists.openwall.com, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org Date: Mon, 08 Jul 2024 15:40:42 -0400 In-Reply-To: <20240704190137.696169-6-mic@digikod.net> References: <20240704190137.696169-1-mic@digikod.net> <20240704190137.696169-6-mic@digikod.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5 (3.28.5-26.el8_10) Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: VO5yoT2dlibPVoAEHzj2-jvwByEHNf3c X-Proofpoint-GUID: EkD-14ayMXpWdF4pXXJN3yYQbzTtIXSW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-08_10,2024-07-05_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 spamscore=0 clxscore=1011 adultscore=0 priorityscore=1501 bulkscore=0 mlxscore=0 mlxlogscore=886 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2407080146 Hi Mickaël, On Thu, 2024-07-04 at 21:01 +0200, Mickaël Salaün wrote: > Add a simple tool to set SECBIT_SHOULD_EXEC_CHECK, > SECBIT_SHOULD_EXEC_RESTRICT, and their lock counterparts before > executing a command. This should be useful to easily test against > script interpreters. The print_usage() provides the calling syntax. Could you provide an example of how to use it and what to expect? thanks, Mimi