On Tue, Oct 03, 2017 at 08:54:13PM -0700, Ricardo Neri wrote:
> We are not in a critical failure path. The invalid register type is caused
> when trying to decode invalid instruction bytes from a user-space program.
> Thus, simply print an error message. To prevent this warning from being
> abused from user space programs, use the rate-limited variant of pr_err().
> along with a descriptive prefix.
>
> Cc: Borislav Petkov <b...@suse.de>
> Cc: Andy Lutomirski <l...@kernel.org>
> Cc: Dave Hansen <dave.han...@linux.intel.com>
> Cc: Adam Buchbinder <adam.buchbin...@gmail.com>
> Cc: Colin Ian King <colin.k...@canonical.com>
> Cc: Lorenzo Stoakes <lstoa...@gmail.com>
> Cc: Qiaowei Ren <qiaowei....@intel.com>
> Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
> Cc: Masami Hiramatsu <mhira...@kernel.org>
> Cc: Adrian Hunter <adrian.hun...@intel.com>
> Cc: Kees Cook <keesc...@chromium.org>
> Cc: Thomas Garnier <thgar...@google.com>
> Cc: Peter Zijlstra <pet...@infradead.org>
> Cc: Dmitry Vyukov <dvyu...@google.com>
> Cc: Ravi V. Shankar <ravi.v.shan...@intel.com>
> Cc: x...@kernel.org
> Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
> ---
> arch/x86/lib/insn-eval.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
Reviewed-by: Borislav Petkov <b...@suse.de>
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284
(AG Nürnberg)
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