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

From: Sergey Senozhatsky
Date: Fri May 10 2019 - 04:17:58 EST


On (05/10/19 10:06), Petr Mladek wrote:
[..]
> I am going to send a patch replacing probe_kernel_address() with
> a simple check:
>
> if ((unsigned long)ptr < PAGE_SIZE || IS_ERR_VALUE(ptr))
> return "(efault)";

I'm OK with this.
Probing ptrs was a good idea, it just didn't work out.

-ss