sys-apps/shadow ebuild don't set SUID flag for they binaries
Reopen w/ emerge -pv shadow and emerge --info output.
Created attachment 91452 [details] emerge --info
Created attachment 91454 [details] ls -RlF /var/tmp/portage/shadow-4.0.15-r2/image From http://www.gentoo.ro/doc/en/security/security-handbook.xml?part=1&chap=6 List of setuid binaries /bin/su /bin/ping /bin/mount /bin/umount /var/qmail/bin/qmail-queue /usr/bin/chfn /usr/bin/chsh /usr/bin/crontab /usr/bin/chage /usr/bin/expiry /usr/bin/sperl5.6.1 /usr/bin/newgrp /usr/bin/passwd /usr/bin/gpasswd /usr/bin/procmail /usr/bin/suidperl /usr/lib/misc/pt_chown /usr/sbin/unix_chkpwd /usr/sbin/traceroute /usr/sbin/pwdb_chkpwd But I haven't suid bit ((((
Help me )
Created attachment 91455 [details] emerge -vp shadow
something is clearly screwed up on your system, shadow works fine here run `MAKEOPTS=-j1 emerge shadow >& log` and post the log as an attachment