Wind River Support Network

Description

Problem Description
======================
busybox sort run unexpectly.

expect result:
xxxxxx@xxxxxx:~/buildarea/yocto-git/poky/scripts$ sort -k2,3n -r ./temp-sort
egg     1       2       papyrus
42      1       3       woot
42      1       010     zoology
999     3       0       algebra
7       3       42      soup

actual result:
root@qemu136:/usr/lib64/busybox/ptest/testsuite# busybox sort -k2,3n -r temp-sort
42      1       010     zoology
42      1       3       woot
egg     1       2       papyrus
7       3       42      soup
999     3       0       algebra

-r option is incorrect.

Expected Behavior
======================
root@qemu18:/mnt# sort -k2,3n -r ./temp-sort
egg     1       2       papyrus
42      1       3       woot
42      1       010     zoology
999     3       0       algebra
7       3       42      soup

Observed Behavior
======================
See above

Logs
======================
See above

Misc Info
======================
N/A 

Steps to Reproduce

1

1) configure
$ /path/to/wrlinux/configure --enable-board=qemux86 --enable-rootfs=glibc-std --enable-kernel=standard --enable-jobs=16 --enable-parallel-pkgbuilds=16 --enable-reconfig=yes --enable-test=yes --with-template=feature/ptest

2) build
$ make fs

3) boot the target
* default nfsboot:
$ make start-target

2  boot target,
create a temp file named temp-sort with below content:
42       1       3       woot
42       1       010     zoology
egg     1       2       papyrus
7         3       42      soup
999     3       0       algebra

run:
busybox sort -k2,3n -r ./temp-sort