Re: [kernel-hardening] Re: [PATCH 0/3] exec: Pin stack limit during exec

2018-01-20 Thread Kees Cook
On Fri, Jan 19, 2018 at 5:12 PM, David Windsor 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 fo

Re: [kernel-hardening] Re: [PATCH 0/3] exec: Pin stack limit during exec

2018-01-19 Thread David Windsor
I have some spare cycles; is there any more relevant information outside of this thread? Thanks, David > On Jan 19, 2018, at 5:49 PM, Kees Cook wrote: > >> On Tue, Jan 9, 2018 at 12:23 PM, Kees Cook wrote: >> Attempts to solve problems with the stack limit changing during exec >> continue to

Re: [PATCH 0/3] exec: Pin stack limit during exec

2018-01-19 Thread Kees Cook
On Tue, Jan 9, 2018 at 12:23 PM, Kees Cook wrote: > Attempts to solve problems with the stack limit changing during exec > continue to be frustrated[1][2]. In addition to the specific issues > around the Stack Clash family of flaws, Andy Lutomirski pointed out[3] > other places during exec where t