Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site ist.UUCP Path: utzoo!watmath!clyde!burl!ulysses!allegra!mit-eddie!think!harvard!seismo!mcvax!ukc!icdoc!ist!pat From: pat@ist.UUCP (Patrick Place) Newsgroups: net.bugs.4bsd Subject: pwd Message-ID: <454@ist.UUCP> Date: Mon, 26-Aug-85 12:28:22 EDT Article-I.D.: ist.454 Posted: Mon Aug 26 12:28:22 1985 Date-Received: Sat, 24-Aug-85 01:08:48 EDT Organization: Imperial Software Technology, London, England Lines: 39 Xpath: icdoc ivax [] /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2 /dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir2/dir3 The above was the output of pwd, caused by the following sequence of events. Note that the above should be all one line. 1) Create directories dir1, dir1/dir2, dir1/dir2/dir3 2) chmod o+r dir1 such that dir1 has permission rwx---r-- 3) cd dir1/dir2/dir3 4) su to some id not in the owners group. 5) pwd. Note that this is not the way I discovered this bug, simply a way in which it can be demonstrated. The bug appeared during my normal use of Unix. Note that if dir1 had permission rwx------, then pwd produced the expected "cannot open .." message. -- Patrick Place {inset, root44, mcvax, qtlon}!ist!pat Imperial Software Technology, London England