The crash kernel panics in "complete_cmd_fusion+0x1a0" function from "megaraid_sas" module

Issue

• Kdump kernel or crash kernel is panicking due to OOPS

megasas: [ 0]waiting for 1 commands to complete for scsi0
BUG: unable to handle kernel NULL pointer dereference at (null) <<====
IP: [<ffffffffa01a5490>] complete_cmd_fusion+0x1a0/0x5d0 [megaraid_sas]
PGD 0 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/kernel/uevent_helper
CPU 0 
Modules linked in: megaraid_sas xhci_hcd usb_storage crc_t10dif mbcache jbd2 cdrom shpchp mfd_core pps_core i2c_core dca ipmi_msghandler mii sg joydev iTCO_vendor_support uinput kvm tun macvlan fat ipv6 ip6_tables nf_conntrack ip_tables nf_defrag_ipv4 ipt_REJECT llc scsi_tgt uio autofs4

Pid: 236, comm: scsi_eh_0 Tainted: G        W  -- ------------    2.6.32-573.el6.x86_64 #1 LENOVO x3950 X6 -[6241AC1]-/00FN882
RIP: 0010:[<ffffffffa01a5490>]  [<ffffffffa01a5490>] complete_cmd_fusion+0x1a0/0x5d0 [megaraid_sas] <<==== Panicked in 
RSP: 0018:ffff880006cbfbd0  EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff880006c0c340 RCX: ffff880006cc0600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff880006cbfc80 R08: 0000000000000004 R09: ffff880006c0c9c0
R10: ffff880006d00018 R11: ffff88000a883b3f R12: ffff880006d00000
R13: ffff880006cb6020 R14: 0000000000000038 R15: ffff880006cb85e0
FS:  0000000000000000(0000) GS:ffff880003200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 0000000004a8d000 CR4: 00000000001407b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Process scsi_eh_0 (pid: 236, threadinfo ffff880006cbc000, task ffff8800074c0040)
Stack:
 ffff880000000000 ffff880006d00000 ffff880006d00018 ffff880006c0c9c0
<d> 0000000000000003 0000000000000293 ffff880006cba038 00000000ffff1c49
<d> 0000000000000000 0000000000000214 0000000000000000 0000000000000046
Call Trace:
 [<ffffffffa01a5aad>] megasas_complete_cmd_dpc_fusion+0x5d/0x90 [megaraid_sas]
 [<ffffffffa01a5c75>] megasas_wait_for_outstanding_fusion+0x195/0x1c0 [megaraid_sas]
 [<ffffffffa01a5d67>] megasas_reset_fusion+0xc7/0xa30 [megaraid_sas]
 [<ffffffff81291d87>] ? kobject_put+0x27/0x60
 [<ffffffffa01a14fd>] megasas_reset_bus_host+0x4d/0x50 [megaraid_sas]
 [<ffffffff8138e1d2>] scsi_try_host_reset+0x42/0x120
 [<ffffffff813901b6>] scsi_eh_ready_devs+0x836/0xbd0
 [<ffffffff81390c96>] scsi_error_handler+0x4e6/0x7c0
 [<ffffffff813907b0>] ? scsi_error_handler+0x0/0x7c0
 [<ffffffff810a101e>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a0f80>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20
Code: 00 00 0f b6 79 03 0f b6 71 77 0f b6 51 76 40 80 ff f0 0f 84 fb 01 00 00 40 80 ff f1 74 72 40 84 ff 0f 85 27 01 00 00 48 8b 7b 40 <4c> 8b 0f 8b bf c0 00 00 00 83 e7 01 45 8b 91 88 00 00 00 45 8b 
RIP  [<ffffffffa01a5490>] complete_cmd_fusion+0x1a0/0x5d0 [megaraid_sas]
 RSP <ffff880006cbfbd0>
CR2: 0000000000000000