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From: NAKAMURA Takeshi <1yen@sh.rim.or.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: <453EE13F.7010200@cty-net.ne.jp>
References: <20061025113100.6167.1YEN@sh.rim.or.jp> <453EE13F.7010200@cty-net.ne.jp>
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Date: Wed, 25 Oct 2006 14:54:31 +0900
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Subject: [FreeBSD-users-jp 90109] Re: core =?ISO-2022-JP?B?GyRCJHIbKEI=?=
 =?ISO-2022-JP?B?GyRCRUckKyQ7JGskSyRPISkbKEI=?= 
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$BCgB<$G$9(B

On Wed, 25 Oct 2006 12:59:59 +0900,
 Kouji Ito <kouji@cty-net.ne.jp> wrote:

> core$B%U%!%$%k$,:n@.$5$l$k>l=j$C$F$I$3$rC5$7$F$^$9$+!)(B

 inetd $B$J$N$G!"$^$:(B / $B$r8+$^$7$?!#(B($B:F5/F0$N;~$b(B / $B$G9T$$$^$7$?(B)
$B$G!"8+$D$+$i$J$$$N$G(B find . -name '*.core' $B$7$^$7$?$,!"8+$D$+$j$^$;$s$G$7$?!#(B

> inetd.conf $B$K$O!"(B root$B%f!<%6!<$G5/F0$9$k$H=q$+$l$F$$$^$9$,!"(B
> messages$B$K$O!"(B uid 1001 $B$N%f!<%6!<$N%W%m%;%9$H$J$C$F$$$^$9!#(B
> $BB?J,!"(Bcvsnt$B$,(Bsetuid()$B$7$F$$$k$s$@$H;W$&$s$G$9$,!#(B

 $B$O$$!"(Bpserver $B$G@\B3$5$l$k$H(B $B%m%0%$%s$7$?%f!<%6$X(B setuid $B$9$k$h$&$K(B
$B$J$C$F$$$^$9!#(B

> uid 1001 $B$N%f!<%6!<$N%[!<%`%G%#%l%/%H%j$K(Bcore$B%U%!%$%k$,:n@.(B
> $B$5$l$F$$$^$;$s$+!)(B

 $B$"$j$^$;$s$G$7$?!#(B

> $B$b$7$/$O!"$=$N%G%#%l%/%H%j$N%Q!<%_%C%7%g%s$H$+!"$=$N%G%#%l%/%H%j$N(B
> $BB0$9$k%U%!%$%k%7%9%F%`$N6u$-MFNL$H$+$O$I$&$G$7$g$&!)(B

 ...$B$"$!!"(B/ $B$K(B core $B$rEG$3$&$H$7$F(B uid 1001 $B$@$+$iEG$1$J$+$C$?$+$b(B
$B$7$l$J$$$G$9$M$'(B...$B$H$$$&$3$H$G(B

# chmod 777 / 
# ls -ld /
drwxrwxrwx  28 root  wheel  1024 Oct 23 17:24 /

root $B$G7R$$$G$_$k!#(B
Oct 25 14:37:56 BUN kernel: pid 66511 (cvsnt), uid 0: exited on signal 11

$B$H$7$F$_$^$7$?$,!"EG$$$F$/$l$^$;$s$G$7$?!#(B

> $B$b$7$+$7$F!"(Bcvsnt$B$,(Bchroot()$B$7$F$$$k2DG=@-$H$+$O$I$&$G$7$g$&!)(B

 chroot $B$N@_Dj$O$"$j$^$9$,!"(Bchroot $B$7$J$$$h$&$K$7$F$$$^$9!#(B


 $B$&!A$s!#(Bcvsnt $B$,<+J,$G(B core $B$rEG$+$J$$$h$&$K$7$F$$$k$N$@$m$&$+!)(B
----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+
 $B4X@>2-Fl$N=8$$(B $B$,$8$^$k$N2q(B $B<jEA$$(B $B0l?M$@$1$N>!<j$K?@F`@n;YIt(B
 $BCgB<(B $BIp(B <1yen@sh.rim.or.jp>

