Kernel Panic in get_memory_error_data

Issue

o Repeated panics in the sb_edac module at the function get_memory_error_data
o Crashes are sporadic and may occur at boot or any time after

crash> sys | grep -i -e rel -e panic
     RELEASE: 2.6.32-573.38.1.el6.x86_64
       PANIC: "BUG: unable to handle kernel NULL pointer dereference at 0000000000000038"

crash> bt
PID: 7415   TASK: ffff88ff10e24040  CPU: 55  COMMAND: "edac-poller"
 #0 [ffff88ff16c736f0] machine_kexec at ffffffff8103d1fb
 #1 [ffff88ff16c73750] crash_kexec at ffffffff810cc632
 #2 [ffff88ff16c73820] oops_end at ffffffff8153d970
 #3 [ffff88ff16c73850] no_context at ffffffff8104e8cb
 #4 [ffff88ff16c738a0] __bad_area_nosemaphore at ffffffff8104eb55
 #5 [ffff88ff16c738f0] bad_area_nosemaphore at ffffffff8104ec23
 #6 [ffff88ff16c73900] __do_page_fault at ffffffff8104f31c
 #7 [ffff88ff16c73a20] do_page_fault at ffffffff8153f8be
 #8 [ffff88ff16c73a50] page_fault at ffffffff8153cc05
    [exception RIP: get_memory_error_data+0x248]
    RIP: ffffffffa02979b8  RSP: ffff88ff16c73b00  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: 0000000000000000  RCX: ffff8aff1d6b1180
    RDX: ffff8aff1d6b1180  RSI: 0000000000000246  RDI: 0000000000000246
    RBP: ffff88ff16c73d00   R8: 0000000000000004   R9: ffff88ff16c73acc
    R10: 000000000000007c  R11: 0000000000000000  R12: ffffffffa0299ba0
    R13: ffff88ff16c73bbc  R14: 0000000000000000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #9 [ffff88ff16c73d08] sbridge_check_error at ffffffffa029849c [sb_edac]
#10 [ffff88ff16c73e18] edac_mc_workq_function at ffffffffa03d5efa [edac_core]
#11 [ffff88ff16c73e38] worker_thread at ffffffff8109a910
#12 [ffff88ff16c73ee8] kthread at ffffffff810a115e
#13 [ffff88ff16c73f48] kernel_thread at ffffffff8100c28a