bin/102227: /bin/sh pwd bug after cd into restricted directory

[Michael MacInnis]

>Number:         102227
>Category:       bin
>Synopsis:       /bin/sh pwd bug after cd into restricted directory
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Aug 18 12:50:15 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Michael MacInnis
>Release:        5.3-RELEASE
>Organization:
>Environment:
>Description:

>How-To-Repeat:

>Fix:
Adding a call to updatepwd(NULL) in cd.c seems to fix the problem:

@@ -202,6 +202,7 @@
 
 	INTOFF;
 	if (updatepwd(badstat ? NULL : dest) < 0 || chdir(curdir) < 0) {
+                updatepwd(NULL);
 		INTON;
 		return (-1);
 	}

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