From "Introduction of mseal" https://docs.kernel.org/userspace-api/mseal.html#mseal-doesn-t-block https://docs.kernel.org/userspace-api/mseal.html#mseal-doesn..

From "Introduction of mseal" https://docs.kernel.org/userspace-api/mseal.html#mseal-doesn-t-block https://docs.kernel.org/userspace-api/mseal.html#mseal-doesn... : > mseal doesn’t block > In a nutshell, mseal blocks certain mm syscall from modifying some of VMA’s attributes, such as protection bits (RWX). Sealed mappings doesn’t mean the memory is immutable.