On Fri, Oct 5, 2018 at 3:28 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Fri, Oct 05, 2018 at 02:10:58PM -0700, Joel Fernandes wrote: >> On Fri, Oct 05, 2018 at 12:53:39PM -0700, Andrew Morton wrote: >> > On Fri, 5 Oct 2018 12:27:27 -0700 "Joel Fernandes (Google)" <joel@xxxxxxxxxxxxxxxxx> wrote: >> > >> > > To support the usecase, this patch adds a new F_SEAL_FS_WRITE seal which >> > > prevents any future mmap and write syscalls from succeeding while >> > > keeping the existing mmap active. The following program shows the seal >> > > working in action: >> > >> > Please be prepared to create a manpage patch for this one. >> >> Sure, I will do that. thanks, > > And a test case to the in-kernel memfd tests would be appreciated. Sure, I will do add to those self-tests. thanks, - Joel
