kernel panic due to out_of_memory when linuxshield and lshook modules are loaded on the system.

Issue

• Frequent oom-killer messages observed on Red Hat Enterprise Linux 5 server running on a VMware Virtual Platform.
• The server is having total 2 GB of RAM and McAfeeVSEForLinux tool is installed on the system.

Free pages:        8600kB (0kB HighMem)
Active:2336 inactive:1878 dirty:0 writeback:0 unstable:0 free:2150 slab:468203 mapped-file:1529 mapped-anon:1066 pagetables:1550
Node 0 DMA free:2976kB min:24kB low:28kB high:36kB active:0kB inactive:0kB present:9680kB pages_scanned:0 all_unreclaimable? yes
lowmem_reserve[]: 0 2004 2004 2004
Node 0 DMA32 free:5624kB min:5712kB low:7140kB high:8568kB active:9344kB inactive:7512kB present:2052256kB pages_scanned:27266 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0 0
Node 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 0 HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 4*4kB 6*8kB 4*16kB 3*32kB 3*64kB 2*128kB 1*256kB 0*512kB 2*1024kB 0*2048kB 0*4096kB = 2976kB
Node 0 DMA32: 0*4kB 13*8kB 5*16kB 0*32kB 1*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB 1*4096kB = 5624kB
Node 0 Normal: empty
Node 0 HighMem: empty
4210 pagecache pages
Swap cache: add 6730176, delete 6728799, find 2440295/3547502, race 179+2832
Free swap  = 2993608kB
Total swap = 3145712kB
Free swap:       2993608kB
524288 pages of RAM
42429 reserved pages
10086 pages shared
1377 pages swap cached
Kernel panic - not syncing: out of memory. panic_on_oom is selected