On Tuesday, 21.05.2019 at 09:24, Martin Lucina wrote: > Questions: > > a. Is this the intended behaviour, and can it be relied on? Note that > KVM/aarch64 behaves the same for me. As a further data point, I've added a check in the userspace tender binary to verify that sys_personality does not include READ_IMPLIES_EXEC, though it appears that my toolchain (Debian stable) is producing binaries with -z noexecstack by default. Martin