> > I suspect (without checking) that this could be related to the utility > > being PAMified. We currently don't use PAM for chpasswd in Debian and > > we probably should do so as well for chgpasswd. > > absolutely correct. i tried disabling PAM for chgpasswd, and it worked > as expected. a patch is attached.
Confirmed. With th exact same patch indeed. Thanks for reporting and taking care of helping tracking this down. If you don't mind, we'll wait for the new upstream version, that's due very soon, to make a new upload.
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