From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-2209064-1524730164-2-14557381617110521153 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, MAILING_LIST_MULTI -1, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='utf-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1524730164; b=cHYnhW9EqLSOO/rx7B5eG8s9iCXq8sHz+0hMtXlOGjPS5ZNyiA iUoQIUTSYKa+fkGn7P+WqG+6uxTs1aJzLwGK0lxN/6xP9E9+DiCLAULAAZrhLxYQ 3odvM3rmP+51wX1wF7zz18ZAcuoeQkOS2sc8/5AVbCu1UrAE6H7KnS29Y3NkLBHL ADA+q1HrqTIZ61Hrz/stXhiPfOmyR37WfkRGO1IBvjieamIHBAYvMzu2H/H4gIC6 e4WyC1+oI/GO0BJiCJ61gKNaFO+saC6l0MR+9DpWgdY9h1+0x5DBm2yhkKAB+zYO ZB0mZmSA9E1hco2Jac4stLLb8P2s1BX5Mh4Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type :content-transfer-encoding:sender:list-id; s=fm2; t=1524730164; bh=UijtCYrCdF0HMb4QTnkFRVJ3OtUaCMIXWJqE4cTr5Uo=; b=ZMYaSPbnkBYm B7Q5c2TTuPDLrUabN2grJjRGuGVDBnx9cQBZspmR6wPqGm1AcLgnesMfNc7Jn3OA Xr6hGtFWvTmw64b6pkaOZe2jKNuUwbXTCGZcmxCeEuwQqTDEhQ9vxX4Q7jROPBGy SYbA4Y42r7slLBFdDT5oqCZDtQ7LAQQ7Sj+0rEWHHf928UeAZJogo0iy24SA1Tqw GxTt+hP2WGRhiYNWUvSExGE2TGA/Xh+3M7ff/mdrt6+apoxQn6qOAn6EX15fWPOu ur4+tn+1Vp1734zee7hi0FhWG7Pw1guyAYrOO+HmSBxUuBrSMSrotfe8MkjERKE/ Ir9E9dYDIg== ARC-Authentication-Results: i=1; mx2.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=kernel.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=orgdomain_pass (Domain org match); x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=kernel.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx2.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=kernel.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=orgdomain_pass (Domain org match); x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=kernel.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfFK52Ky0537UQxl3h7xturcIkoLTmXXp09tYj9bgtjJlbyDxPD9B6GiJjQ63CEiGQ+tCF/CYG8YboicQdRhScFq/GVEh51THNu12YjvBvv8/7ZO5TCM5 x73ZZnsvjkLEMmvmXtzm9GcTVvDMdvkk5PIBu1YaGMpzzmbzHOXTJn2bP83bzHWgnB7QWhhdkrjzMiS7b0vA9f7m0aVpRXfv+xEP4QvysQcO6MobGALvyJzm X-CM-Analysis: v=2.3 cv=E8HjW5Vl c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=IkcTkHD0fZMA:10 a=Kd1tUaAdevIA:10 a=VnNF1IyMAAAA:8 a=VwQbUJbxAAAA:8 a=Ke8Jehkl8E0rIBd1d0QA:9 a=QEXdDO2ut3YA:10 a=AjGcO6oz07-iQ99wixmX:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753951AbeDZII7 (ORCPT ); Thu, 26 Apr 2018 04:08:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:34734 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752419AbeDZII5 (ORCPT ); Thu, 26 Apr 2018 04:08:57 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B939521781 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=mhiramat@kernel.org From: Masami Hiramatsu To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: Ingo Molnar , "H . Peter Anvin" , x86@kernel.org, Masami Hiramatsu , Ananth N Mavinakayanahalli , Anil S Keshavamurthy , "David S . Miller" , Jon Medhurst , Will Deacon , Arnd Bergmann , David Howells , Heiko Carstens , "Tobin C . Harding" , Linus Torvalds , Thomas Richter , akpm@linux-foundation.org, acme@kernel.org, rostedt@goodmis.org, brueckner@linux.vnet.ibm.com, schwidefsky@de.ibm.com, stable@vger.kernel.org Subject: [PATCH -tip v2 1/7] kprobes: Make blacklist root user read only Date: Thu, 26 Apr 2018 17:08:31 +0900 Message-Id: <152473011152.8819.5654087016485747842.stgit@devbox> X-Mailer: git-send-email 2.13.6 In-Reply-To: <152473007907.8819.10449983839199591406.stgit@devbox> References: <152473007907.8819.10449983839199591406.stgit@devbox> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Since the blacklist file indicates a sensitive address information to reader, it should be restricted to the root user. Suggested-by: Thomas Richter Signed-off-by: Masami Hiramatsu --- kernel/kprobes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 102160ff5c66..314cec85a8b2 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -2621,7 +2621,7 @@ static int __init debugfs_kprobe_init(void) if (!file) goto error; - file = debugfs_create_file("blacklist", 0444, dir, NULL, + file = debugfs_create_file("blacklist", 0400, dir, NULL, &debugfs_kprobe_blacklist_ops); if (!file) goto error;