linux-kernel - [PATCH RESEND 3/6] arm64: add sysfs vulnerability show for spectre v1

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 27 Aug 2018 16:33:07 +0200
From:   Mian Yousaf Kaukab <ykaukab@...e.de>
To:     will.deacon@....com, marc.zyngier@....com
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        robert.richter@...ium.com, cwu@...erecomputing.com,
        Mian Yousaf Kaukab <ykaukab@...e.de>
Subject: [PATCH RESEND 3/6] arm64: add sysfs vulnerability show for spectre v1

Hard-coded since patches are merged and there are no configuration
options.

Signed-off-by: Mian Yousaf Kaukab <ykaukab@...e.de>
---
 arch/arm64/kernel/cpu_errata.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 996edb4e18ad..92616431ae4e 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -706,4 +706,10 @@ ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "Vulnerable\n");
 }
 
+ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr,
+		char *buf)
+{
+	return sprintf(buf, "Mitigation: __user pointer sanitization\n");
+}
+
 #endif
-- 
2.11.0