[Midnightbsd-cvs] src: kern_environment.c: forced commit: perform proper bounds checking

[laffer1 at midnightbsd.org]

Log Message:
-----------
forced commit:  perform proper bounds checking on kenv(2) system call so that a DOS attack cannot occur.

Modified Files:
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    src/sys/kern:
        kern_environment.c (r1.3 -> r1.4)