Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> writes: > On Sat, May 9, 2020 at 12:44 PM Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote: >> >> Now that security_bprm_set_creds is no longer responsible for calling >> cap_bprm_set_creds, security_bprm_set_creds only does something for >> the primary file that is being executed (not any interpreters it may >> have). Therefore call security_bprm_set_creds from __do_execve_file, >> instead of from prepare_binprm so that it is only called once, and >> remove the now unnecessary called_set_creds field of struct binprm. > > Ahh, good, this patch removes the 'called_set_creds' logic from the > security subsystems. > > So it does half of what I asked for: please also just rename that > "security_bprm_set_creds()" to be "security_primary_bprm_set_creds()" > so that the change of semantics also shows up that way. > > And so that there is no confusion about the fact that > "cap_bprm_set_creds()" has absolutely nothing to do with > "security_bprm_set_creds()" any more. I agree something needs to be renamed, to remove confusion. I am off for a nap now, and tomorrow is Mother's day so I probably won't be back to this seriously until Monday. But please disect these patches and I will address any problems. Eric