Re: KASLR

[maya%NetBSD.org@localhost]

On Wed, Feb 12, 2020 at 09:55:36AM +0000, Patrick Welche wrote:
> Just tried for the first time a kern-GENERIC_KASLR.tar.xz from yesterday's
> source on a working GENERIC-9.99.17/amd64 box, with serial console. All
> I see is
> 
> >> NetBSD/x86 BIOS Boot, Revision 5.11 (Thu Nov 29 11:11:25 UTC 2018) (from NetBSD 8.99.26)
> >> Memory: 639/4189184 k
> ...
> command(s): rndseed /var/db/entropy-file;boot
> default boot twice, skipping...
>  [860323-
> 
> and then it reboots.
> 
> kern-GENERIC.tar.xz from the same build.sh release run is fine.
> 
> 
> Cheers,
> 
> Patrick

It cant use the regular bootloader, see instructions at
https://blog.netbsd.org/tnf/entry/kernel_aslr_on_amd64