On Fri, 23 Mar 2018 17:33:28 -0700 Andre McCurdy <armccurdy at gmail.com> wrote: > Interposing the libc syscall wrapper doesn't seem to scary if you can > transparently pass on everything apart from syscall(SYS_renameat2, > ...) ? I don't think I can in the general case; I don't know how many arguments every possible syscall takes. -s