[Toybox] Release prep.

[Rob Landley]

On 02/07/2018 10:41 AM, Andreas Gampe wrote:
> Stack Trace:
>   RELADDR           FUNCTION         FILE:LINE
>      7e253  top_common+6387  external/toybox/toys/posix/ps.c:1420
>      7c413  top_main+555     external/toybox/toys/posix/ps.c:1666
>      1f7db  toy_exec+311     external/toybox/main.c:169
>      1ef77  toybox_main+91   external/toybox/main.c:182
>      1fa27  main+431         external/toybox/main.c:240
>      ac8a3  __libc_init+91   bionic/libc/bionic/libc_init_dynamic.cpp:129
> 
> ps.c:1419f
> 
>     while (old.count || new.count) {
>       struct carveup *otb = *old.tb, *ntb = *new.tb;
> 
> You probably should not proactively dereference both old.tb and
> new.tb. One might be invalid if not both old.count and new.count > 0.

Oops, yes.

Quick and dirty patch pushed, I need to properly re-read this chunk when
I get more time and verify the logic.

Rob