System crashes with "BUG: unable to handle kernel NULL pointer dereference at 0000000000000700 ... memcpy+0x5/0x120"

Issue

• System crashes with "BUG: unable to handle kernel NULL pointer dereference

BUG: unable to handle kernel NULL pointer dereference at 0000000000000700
Oops: 0000 [#1] last sysfs file: /sys/devices/pci0000:00/0000:00:02.0/0000:06:00.2/net/eth2/type
Pid: 3908, comm: bnx2fc_thread/2 Tainted: P  ---------------    2.6.32-504.43.1.el6.x86_64 #1
RIP: [<ffffffff81299355>] memcpy+0x5/0x120
RSP: 0018:ffff884044519da8  EFLAGS: 00010206
RAX: ffff8840445e5240 RBX: 0000000000000001 RCX: 0000000000000012
RDX: 0000000000000012 RSI: 0000000000000700 RDI: ffff8840445e5240
RBP: ffff884044519e00 R08: ffff884044518000 R09: 0000000000000000
R10: 00000000000e7ef0 R11: 0000000000000001 R12: ffff8820170ef400
R13: ffff882014ee7e00 R14: 0000000000000012 R15: ffff88403e5f8cc0
FS:  0000000000000000(0000) GS:ffff8820f0d40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
sd 1:0:0:123: rejecting I/O to offline device
CR2: 0000000000000700 CR3: 0000000001a85000 CR4: 00000000001407e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process bnx2fc_thread/2 (pid: 3908, threadinfo ffff884044518000, task ffff884044510040)
Stack:
 ffffffffa0bef2ff ffff884044519e01 0000000000000000 sdid4 0000000000000700 <
<d> 0000000000000286 ffff882014ee7ee8 ffff882014ee7e00 ffff88403e5f8cc0
<d> ffff882013911300 ffff8820170ef400 0000000000000001 ffff884044519e40
Call Trace:
 [<ffffffffa0bef2ff>] ? bnx2fc_parse_fcp_rsp+0x1cf/0x2a0 [bnx2fc]
 [<ffffffffa0befe96>] bnx2fc_process_scsi_cmd_compl+0x86/0x2a0 [bnx2fc]
 [<ffffffffa0bec92f>] bnx2fc_process_cq_compl+0x24f/0x2b0 [bnx2fc]
 [<ffffffffa0bea4ea>] bnx2fc_percpu_io_thread+0xea/0x160 [bnx2fc]
 [<ffffffffa0bea400>] ? bnx2fc_percpu_io_thread+0x0/0x160 [bnx2fc]
 [<ffffffff8109e74e>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff8109e6b0>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20