Pull up following revision(s) (requested by maxv in ticket #1100):

sys/kern/kern_exec.c: revision 1.462

Fix stack info leak. There are 2x4 bytes of padding in struct ps_strings.
[  223.896199] kleak: Possible leak in copyout: [len=32, leaked=8]
[  223.906430] #0 0xffffffff80224d0a in kleak_note <netbsd>
[  223.906430] #1 0xffffffff80224d8a in kleak_copyout <netbsd>
[  223.918363] #2 0xffffffff80b1e26c in copyoutpsstrs <netbsd>
[  223.926560] #3 0xffffffff80b1e331 in copyoutargs <netbsd>
[  223.936216] #4 0xffffffff80b21768 in execve_runproc <netbsd>
[  223.946225] #5 0xffffffff80b21cc9 in execve1 <netbsd>
[  223.946225] #6 0xffffffff8025a89c in sy_call <netbsd>
[  223.956225] #7 0xffffffff8025aace in sy_invoke <netbsd>
[  223.966232] #8 0xffffffff8025ab54 in syscall <netbsd>

(martin)