Re: [PATCH v4 2/4] fanotify: notify on mount attach and detach

Miklos Szeredi <[email protected]> Tue, 28 Jan 2025 14:37:00 +0100

Newsgroups	org.kernel.vger.selinux-refpolicy,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-security-module,org.kernel.vger.selinux
Message-ID	<CAJfpegs7n5eO6yOms+_TqeXGrN=OaJbjRB9qVm4VsW7JpWG5Xg@mail.gmail.com>

On Tue, 28 Jan 2025 at 13:42, Miklos Szeredi <[email protected]> wrote:

> fanotify_mark(fan_fd, FAN_MARK_ADD | FAN_MARK_MOUNT,  FAN_OPEN,
> AT_FDCWD, "/proc/self/ns/mnt");

Sorry, this should have been:

1)
fanotify_mark(fan_fd, FAN_MARK_ADD | FAN_MARK_MNTNS, FAN_MNT_ATTACH |
FAN_MNT_DETACH, AT_FDCWD, "/proc/self/ns/mnt");

This notifies on mount and unmount events in the current mount namespace.