From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZp+vIVet9rcP+2IkSfoQHbhIe8ReE7a9g3VzsMBxg3Xgf437ToV5zGMKx0GgHtQdPBkfVAM ARC-Seal: i=1; a=rsa-sha256; t=1526937469; cv=none; d=google.com; s=arc-20160816; b=rv3dK7gZRtefapS6fmegPdGEjqdm5Q0uNK8QKCeGdgWwx0tjR+Ns7jnq/SsFr/Il6f 4urtzdPwI78PO2ZfrxyrTVi5RMzgZzQfoVJinUZpnMuVbJIeirOfAYzFAxZ8/re6S0MH WYd/j366Q0xjvCbhM/D8hq5E+9JP1OMMiNLHteftE05QyyBtV+npk592ScIK9a7Iklcr VqqHt9amk4DiQLhBk4NbMcVE64PZIq5yKKoogfLDqdx1DWAAmorGGnW9BnJB+NPFczHb i6LnYNw2D44uCHEPuCYfpP+TaohjibiKOp4uQjVd+BHHLt1aF+EWh1ubKksPajYDm4fH q5Jg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature:arc-authentication-results; bh=fsXWTnUKLbiTCNcbpPwLibjYUl21XKJwXwKeoTZudlI=; b=cjnHAvc8JuWNtPvhBrxoD1dvp57ZcVhGaeAn7C6GXcd6a+i8wxzQaCtdL8oL6olKqj nGEEiDJLlb2EUYmuHLwT8dDlPcch7IGdTsFva7OQcaQ3Me66e6mEunnY6lqtsNx8eX2n 6zyeK64dJHCXpODc5NPs16TNRIoaHDzV4xEq6r7kYKjeaghbX9CbcMBH9iG4atnT87Ss wSstde7znaJlg+MoyO3hp13gpSrOOCBsln1QngSf0Hh0N2CmnGF97a5RGZ1/n8ji6mUq JcMxm5j6lcGgIRAc6JqkDmAgnxwUP07jj8FJATMKBlCT5PYDXnsDfs2WVvt/v/miYs00 FA0w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=lIAuOEIX; spf=pass (google.com: domain of srs0=nia/=ii=linuxfoundation.org=gregkh@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=SRS0=nia/=II=linuxfoundation.org=gregkh@kernel.org Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=lIAuOEIX; spf=pass (google.com: domain of srs0=nia/=ii=linuxfoundation.org=gregkh@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=SRS0=nia/=II=linuxfoundation.org=gregkh@kernel.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Thomas Gleixner , David Woodhouse Subject: [PATCH 4.9 60/87] seccomp: Use PR_SPEC_FORCE_DISABLE Date: Mon, 21 May 2018 23:11:36 +0200 Message-Id: <20180521210425.535594367@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180521210420.222671977@linuxfoundation.org> References: <20180521210420.222671977@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1601109984171479301?= X-GMAIL-MSGID: =?utf-8?q?1601109984171479301?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Gleixner commit b849a812f7eb92e96d1c8239b06581b2cfd8b275 upstream Use PR_SPEC_FORCE_DISABLE in seccomp() because seccomp does not allow to widen restrictions. Signed-off-by: Thomas Gleixner Signed-off-by: David Woodhouse Signed-off-by: Greg Kroah-Hartman --- kernel/seccomp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -226,7 +226,7 @@ static inline void spec_mitigate(struct int state = arch_prctl_spec_ctrl_get(task, which); if (state > 0 && (state & PR_SPEC_PRCTL)) - arch_prctl_spec_ctrl_set(task, which, PR_SPEC_DISABLE); + arch_prctl_spec_ctrl_set(task, which, PR_SPEC_FORCE_DISABLE); } static inline void seccomp_assign_mode(struct task_struct *task,