Re: [PATCH 0/7] Harden userfaultfd

2019-10-15 Thread James Morris
On Sat, 12 Oct 2019, Daniel Colascione wrote: > Documentation/admin-guide/sysctl/vm.rst | 19 +- > fs/anon_inodes.c| 89 + > fs/userfaultfd.c| 47 +++-- > include/linux/anon_inodes.h | 27 ++-- >

[PATCH 0/7] Harden userfaultfd

2019-10-12 Thread Daniel Colascione
Userfaultfd in unprivileged contexts could be potentially very useful. We'd like to harden userfaultfd to make such unprivileged use less risky. This patch series allows SELinux to manage userfaultfd file descriptors (via a new flag, for compatibility with existing code) and allows administrators