On Thu, May 22, 2014 at 11:51:04AM -0700, Kees Cook wrote:
> Since the rcutorture thread creation interface does not include format
> string arguments, make sure the name can never be accidentally processed
> as a format string.
> 
> Signed-off-by: Kees Cook <[email protected]>

Reviewed-by: Josh Triplett <[email protected]>

>  kernel/torture.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/torture.c b/kernel/torture.c
> index acc9afc2f26e..9dad2ffaf995 100644
> --- a/kernel/torture.c
> +++ b/kernel/torture.c
> @@ -694,7 +694,7 @@ int _torture_create_kthread(int (*fn)(void *arg), void 
> *arg, char *s, char *m,
>       int ret = 0;
>  
>       VERBOSE_TOROUT_STRING(m);
> -     *tp = kthread_run(fn, arg, s);
> +     *tp = kthread_run(fn, arg, "%s", s);
>       if (IS_ERR(*tp)) {
>               ret = PTR_ERR(*tp);
>               VERBOSE_TOROUT_ERRSTRING(f);
> -- 
> 1.7.9.5
> 
> 
> -- 
> Kees Cook
> Chrome OS Security
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