bin/104456: /bin/sh unable to enter deep directories

[Yar Tikhiy]

>Number:         104456
>Category:       bin
>Synopsis:       /bin/sh unable to enter deep directories
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Oct 16 09:40:18 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Yar Tikhiy
>Release:        FreeBSD 7.0-CURRENT i386
>Organization:
None
>Environment:

	FreeBSD 7.0-CURRENT i386

>Description:

	/bin/sh will fail to cd to a subdirectory after the path
	to the current directory exceeds PATH_MAX.  This is not an
	unsolvable problem; /bin/csh doesn't suffer from it.

>How-To-Repeat:

Script started on Mon Oct 16 13:03:25 2006
$ pwd
/usr/home/yar
$ n=`printf %0255d 0`
$ mkdir $n && cd $n
$ mkdir $n && cd $n
$ mkdir $n && cd $n
$ mkdir $n && cd $n
cd: can't cd to 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
$ pwd
pwd: .: Result too large
$ exit

Script done on Mon Oct 16 13:04:05 2006

>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: