Commit-ID: edfbae53dab8348fca778531be9f4855d2ca0360 Gitweb: https://git.kernel.org/tip/edfbae53dab8348fca778531be9f4855d2ca0360 Author: Dan Williams <dan.j.willi...@intel.com> AuthorDate: Mon, 29 Jan 2018 17:03:21 -0800 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Tue, 30 Jan 2018 21:54:32 +0100
x86/spectre: Report get_user mitigation for spectre_v1 Reflect the presence of get_user(), __get_user(), and 'syscall' protections in sysfs. The expectation is that new and better tooling will allow the kernel to grow more usages of array_index_nospec(), for now, only claim mitigation for __user pointer de-references. Reported-by: Jiri Slaby <jsl...@suse.cz> Signed-off-by: Dan Williams <dan.j.willi...@intel.com> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Cc: linux-a...@vger.kernel.org Cc: kernel-harden...@lists.openwall.com Cc: gre...@linuxfoundation.org Cc: torva...@linux-foundation.org Cc: a...@linux.intel.com Link: https://lkml.kernel.org/r/151727420158.33451.11658324346540434635.st...@dwillia2-desk3.amr.corp.intel.com --- arch/x86/kernel/cpu/bugs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 400c34e..fdb6068 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -297,7 +297,7 @@ ssize_t cpu_show_spectre_v1(struct device *dev, { if (!boot_cpu_has_bug(X86_BUG_SPECTRE_V1)) return sprintf(buf, "Not affected\n"); - return sprintf(buf, "Vulnerable\n"); + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); } ssize_t cpu_show_spectre_v2(struct device *dev,
