Bug 215715

SWsoft Virtuozzo/OpenVZ Linux Kernel Team has noticed that "ip route list table
local" output may lose the existing routes and it confuses the scripts parsing
its output.

This is kernel-related issue and it was fixed in mainstream by the following patch:
http://linux.bkbits.net:8080/linux-2.6/gnupatch@42221b0brjyLy6saMQrizii8Jx5kxQ

# ChangeSet
#   2005/02/27 11:10:03-08:00 davem.net 
#   [IPV4]: Fix lost routes in fn_hash netlink dumps.
#   
#   Spotted by itkes.msu.ru, the fn_hash_dump_bucket() main
#   loop does not increment 'i' properly, and thus routes will not
#   be listed, when the test 'i < s_i' passes.
#   
#   The bug was added when the code was converted over to
#   hlist_for_each_entry() by your's truly.
#   
#   Signed-off-by: David S. Miller <davem>

Version-Release number of selected component (if applicable):
2.6.9-42.0.3.EL

Steps to Reproduce:
add the new entries into local routing table until the issue occupies

[root@svconsole ~]# uname -a
Linux svconsole.sw.ru 2.6.9-42.0.3.ELsmp #1 SMP Mon Sep 25 17:28:02 EDT 2006
i686 i686 i386 GNU/Linux
[root@svconsole ~]# ip route list table local | wc -l
7

VVS@ comment: add 100 new entries into local table and inspect the number of
VVS@ comment: entries

[root@svconsole ~]#  for i in `seq 1 100` ; do ip r a local 10.1.240.$i dev eth0
proto kernel scope host src 10.1.240.$i ; done
[root@svconsole ~]# ip route list table local | wc -l
107

VVS@ comment: correct, as expected

[root@svconsole ~]#  for i in `seq 1 100` ; do ip r a local 10.2.240.$i dev eth0
proto kernel scope host src 10.2.240.$i || echo "ERROR" ; done
[root@svconsole ~]# ip route list table local | wc -l
207

VVS@ comment: correct again

[root@svconsole ~]#  for i in `seq 1 100` ; do ip r a local 10.3.240.$i dev eth0
proto kernel scope host src 10.3.240.$i || echo "ERROR" ; done
[root@svconsole ~]# ip route list table local | wc -l
304

VVS@ comment: wrong, should be 307 here!