Server Panic rebooted "BUG: unable to handle kernel NULL pointer dereference at 00000000000000ae" due to third party kernel module dazukofs.

Issue

<1>BUG: unable to handle kernel NULL pointer dereference at 00000000000000ae
<1>IP: [<ffffffff8119fc18>] __dentry_open+0x48/0x380
<4>Kernel PGD 800000023655c067 PUD 23afd8067 PMD 0 
<4>User   PGD 23655c067 PUD 23afd8067 PMD 0 
<4>Oops: 0000 [#1] SMP 
<4>last sysfs file: /sys/devices/system/cpu/online
<4>CPU 1 
<4>Modules linked in: dazukofs(U) autofs4 vsock(U) ipv6 ppdev parport_pc parport microcode e1000 vmware_balloon i2c_piix4 vmci(U) sg shpchp ext3 jbd mbcache sd_mod crc_t10dif sr_mod cdrom vmw_pvscsi pata_acpi ata_generic ata_piix vmwgfx ttm drm_kms_helper drm i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
<4>
<4>Pid: 3155, comm: bdepsecd Not tainted 2.6.32-754.35.1.el6.x86_64 #1 VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform
<4>RIP: 0010:[<ffffffff8119fc18>]  [<ffffffff8119fc18>] __dentry_open+0x48/0x380
<4>RSP: 0018:ffff880237627be8  EFLAGS: 00010246
<4>RAX: 000000000000001d RBX: ffff880237eee1c0 RCX: 0000000000000000
<4>RDX: ffff880237eee1c0 RSI: ffff880236ed59c0 RDI: ffff8801063283c0
<4>RBP: ffff880237627c38 R08: ffff88023b2253c0 R09: 0000000000000000
<4>R10: ffff88023b183ec0 R11: 0000000000000020 R12: ffff880236ed59c0
<4>R13: ffff8801063283c0 R14: 0000000000000000 R15: 0000000000000000
<4>FS:  00007f20fa1fc700(0000) GS:ffff880028300000(0000) knlGS:0000000000000000
<4>CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>CR2: 00000000000000ae CR3: 000000023ab4a000 CR4: 00000000000407e0
<4>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
<4>Process bdepsecd (pid: 3155, threadinfo ffff880237624000, task ffff8802371a0ab0)
<4>Stack:
<4> ffff880237627c08 ffffffff8124d556 ffff880237eee1c0 ffff88023b2253c0
<4><d> ffff880237627c18 ffff880236ed59c0 ffff8801063283c0 0000000000008000
<4><d> ffff88023b2253c0 ffff880120dd8ac8 ffff880237627c68 ffffffff8119ffa2
<4>Call Trace:
<4> [<ffffffff8124d556>] ? selinux_file_alloc_security+0x46/0x70
<4> [<ffffffff8119ffa2>] dentry_open+0x52/0xc0
<4> [<ffffffffa034f87a>] dazukofs_unlocked_ioctl+0x42a/0x960 [dazukofs] <<--
<4> [<ffffffffa034f790>] ? dazukofs_unlocked_ioctl+0x340/0x960 [dazukofs] <<--
<4> [<ffffffff8119fcf4>] __dentry_open+0x124/0x380
<4> [<ffffffff8124d556>] ? selinux_file_alloc_security+0x46/0x70
<4> [<ffffffff8119ffa2>] dentry_open+0x52/0xc0
<4> [<ffffffffa0352483>] dazukofs_get_event+0x313/0x570 [dazukofs] <<--
<4> [<ffffffffa0350d59>] dazukofs_group_dev_destroy+0x889/0xb30 [dazukofs] <<--
<4> [<ffffffffa03527d1>] ? dazukofs_return_event+0xf1/0x230 [dazukofs] <<--
<4> [<ffffffff812523fb>] ? selinux_file_permission+0xfb/0x150
<4> [<ffffffffa0350ffc>] dazukofs_group_dev_destroy+0xb2c/0xb30 [dazukofs] <<--
<4> [<ffffffff811a3447>] vfs_read+0xb7/0x1a0
<4> [<ffffffff811a4216>] ? fget_light_pos+0x16/0x50
<4> [<ffffffff811a3791>] sys_read+0x51/0xb0
<4> [<ffffffff810f40be>] ? __audit_syscall_exit+0x25e/0x290
<4> [<ffffffff815663a7>] system_call_fastpath+0x35/0x3a
<4>Code: 1f 44 00 00 8b 42 38 49 89 fd 49 89 f4 48 89 d3 49 89 ce 83 c0 01 83 e0 03 83 c8 1c a8 02 89 42 3c 4c 8b 7f 10 0f 85 58 02 00 00 <41> 0f b7 87 ae 00 00 00 25 00 f0 00 00 3d 00 80 00 00 0f 84 b8 
<1>RIP  [<ffffffff8119fc18>] __dentry_open+0x48/0x380
<4> RSP <ffff880237627be8>
<4>CR2: 00000000000000ae