Re: sysutils/vbetools not working anymore

[Dennis den Brok <d.den.brok%uni-bonn.de@localhost>]

Joerg Sonnenberger <joerg%britannica.bec.de@localhost> schrieb:
> Mapping of NULL was explicitly disable by default on platforms with
> shared kernel / userland address space.  This makes it harder to exploit
> NULL function pointer dereferences in the kernel as shown a few years
> ago during the CCC congress for OpenBSD.  There is a sysctl or kernel
> option to reenable it, but I forgot the name.

Ah, you're right. For the record, it's vm.user_va0_disable. Thanks!

--
Dennis den Brok