OpenBSD system-call-origin verification [LWN.net]Did you know...?LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. A new mechanism to help thwart return-oriented programming (ROP) and similar attacks has recently been added to the OpenBSD kernel. It will block system calls that are not made via the C library (libc) system-
