Bart Whiteley wrote: > I replaced pam_pwdb with pam_unix, and the memory leak has disappeared > entirely. So, it seems that the memory leak is in pam_pwdb. Or in libpwdb.. What version of libpwdb are you using? Redhat maintain that package these days, so I don't actually know much about its current status other than they are trying to migrate from pam_pwdb back to pam_unix... Cheers Andrew