kern/155321: imgact_shell integer underflow when argv[0] is longer than interp + path

[kib at FreeBSD.org]

Synopsis: imgact_shell integer underflow when argv[0] is longer than interp + path

Responsible-Changed-From-To: freebsd-bugs->kib
Responsible-Changed-By: kib
Responsible-Changed-When: Sun Mar 6 21:02:05 UTC 2011
Responsible-Changed-Why: 
Take.

http://www.freebsd.org/cgi/query-pr.cgi?pr=155321