On Tue, Mar 05, 2024 at 10:58:25AM +0100, Christian Brauner wrote: > Since the write handler for /proc/<pid>/mem does raise FOLL_FORCE > unconditionally it likely would implicitly. But I'm not familiar enough > with FOLL_FORCE to say for sure. I should phrase the question better. :) Is the supervisor writing into read-only regions of the child process? -- Kees Cook