Re: [PATCH v3] vsprintf: Prevent crash when dereferencing invalid pointers

From: Andy Shevchenko
Date: Thu Mar 15 2018 - 09:09:11 EST


On Wed, 2018-03-14 at 15:09 +0100, Petr Mladek wrote:
> We already prevent crash when dereferencing some obviously broken
> pointers. But the handling is not consistent. Sometimes we print
> "(null)"
> only for pure NULL pointer, sometimes for pointers in the first
> page and


> sometimes also for pointers in the last page (error codes).

I still think that printing a hex value of the error code is much better
than some odd "(efault)".


--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy