On Mon, Feb 24, 2020 at 05:02:11PM +0100, Mickaël Salaün wrote: > +static int get_path_from_fd(u64 fd, struct path *path) > + /* > + * Only allows O_PATH FD: enable to restrict ambiant (FS) accesses > + * without requiring to open and risk leaking or misuing a FD. Accept > + * removed, but still open directory (S_DEAD). > + */ > + if (!(f.file->f_mode & FMODE_PATH) || !f.file->f_path.mnt || ^^^^^^^^^^^^^^^^^^^ Could you explain what that one had been be about? The underlined subexpression is always false; was that supposed to check some condition and if so, which one?
