On 2019-04-19 08:27, Andy Lutomirski wrote: > There are many, > many Linux systems that enforce a policy that *all* executable text > needs to come from a verified source. On these systems, you can't > mmap some writable memory, write to it, and then change it to > executable.
How is this implemented on those systems? AFAIK there's no kernel config option that changes the semantics of mmap as you describe. -- Jethro Beekman | Fortanix
