On Fri, Jan 19, 2018 at 5:12 PM, David Windsor <dave@xxxxxxxxxxxx> wrote: > I have some spare cycles; is there any more relevant information outside of this thread? Awesome, thanks! Context is in the other commits, but mainly I want to double-check that nothing breaks with these changes, and that all the races for changing stack rlimits during exec are fixed. And then, just a sanity-check that the design approach to attaching the stack limit to the bprm isn't crazy. :) -Kees >>> [1] 04e35f4495dd ("exec: avoid RLIMIT_STACK races with prlimit()") >>> [2] 779f4e1c6c7c ("Revert "exec: avoid RLIMIT_STACK races with prlimit()"") >>> [3] to security@xxxxxxxxxx, "Subject: existing rlimit races?" -- Kees Cook Pixel Security