Re: [PATCH] vsprintf: Do not break early boot with probing addresses

Steven Rostedt
2019-05-10T16:24:01Z

On Fri, 10 May 2019 10:42:13 +0200
Petr Mladek <pmladek@suse.com> wrote:

> static const char *check_pointer_msg(const void *ptr)
> {
> - char byte;
> -
> if (!ptr)
> return "(null)";
>
> - if (probe_kernel_address(ptr, byte))
> + if ((unsigned long)ptr < PAGE_SIZE || IS_ERR_VALUE(ptr))
> return "(efault)";
>

< PAGE_SIZE ?

do you mean: < TASK_SIZE ?

-- Steve