Reproducible panic with MAP_GUARD and security.bsd.stack_guard_page > 1

From: Shawn Webb <shawn.webb_at_hardenedbsd.org>
Date: Sat, 1 Jul 2017 13:28:47 -0400
When running my Stack Clash PoC on a vanilla FreeBSD 12-CURRENT/amd64 VM
and security.bsd.stack_guard_page is > 1:

https://goo.gl/photos/vZQY4B9jKJRLrNwP7

The PoC doesn't need to be run as root on vanilla FreeBSD with a default
configuration.

Thanks,

-- 
Shawn Webb
Cofounder and Security Engineer
HardenedBSD

GPG Key ID:          0x6A84658F52456EEE
GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89  3D9E 6A84 658F 5245 6EEE
Received on Sat Jul 01 2017 - 15:28:53 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:12 UTC