System crashed at d_path+0x20 when called from getFullPathName+0x59

Issue

• System crashed with the following messages:

<1>BUG: unable to handle kernel NULL pointer dereference at 0000000000000088
<1>IP: [<ffffffff811bc3f0>] d_path+0x20/0x100
<4>Kernel PGD 80000003367f9067 PUD 336cfc067 PMD 0 
<4>User   PGD 3367f9067 PUD 336cfc067 PMD 0 
<4>Oops: 0000 [#1] SMP 
<4>last sysfs file: /sys/devices/virtual/block/dm-3/dm/name
<4>CPU 0 
<4>Modules linked in: tcp_diag inet_diag fileaccess_mod(U) vsock(U) vmci(U) mfeaack(U) ipv6 ext3 jbd ppdev parport_pc parport microcode vmware_balloon vmxnet3 sg i2c_piix4 shpchp ext4 jbd2 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: speedstep_lib]
<4>
<4>Pid: 3136, comm: java Not tainted 2.6.32-754.10.1.el6.x86_64 #1 VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform
<4>RIP: 0010:[<ffffffff811bc3f0>]  [<ffffffff811bc3f0>] d_path+0x20/0x100
<4>RSP: 0018:ffff8803365e7d38  EFLAGS: 00010282
<4>RAX: 00000000fffffff4 RBX: ffff880334e06000 RCX: 0000000000000000
<4>RDX: 0000000000001000 RSI: ffff8802439ea000 RDI: 0000000000000000
<4>RBP: ffff8803365e7d88 R08: 0000000000000030 R09: 0000000000000001
<4>R10: 00000000ffffffff R11: 0000000000000000 R12: ffff880337ec51d0
<4>R13: ffff8802439ea000 R14: ffff8803365e7dd0 R15: 0000000000000000
<4>FS:  00007f5fee607700(0000) GS:ffff880032e00000(0000) knlGS:0000000000000000
<4>CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>CR2: 0000000000000088 CR3: 00000003361a8000 CR4: 00000000000007f0
<4>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
<4>Process java (pid: 3136, threadinfo ffff8803365e4000, task ffff880335aa2ab0)
<4>Stack:
<4> ffff880335aa2ab0 ffff8803365e4000 ffff8803365e7d88 0000000000000246
<4><d> ffff880333b2c880 ffff880334e06000 ffff880337ec51c0 ffff880334e06000
<4><d> ffff880337ec51c0 ffff8802439ea000 ffff8803365e7db8 ffffffffa03c15b9
<4>Call Trace:
<4> [<ffffffffa03c15b9>] getFullPathName+0x59/0xf0 [mfeaack]
<4> [<ffffffffa03d260b>] get_process_from_pid+0xdb/0x1b0 [mfeaack]
<4> [<ffffffffa03d2c1c>] create_eventinfo_struct+0x48c/0x540 [mfeaack]
<4> [<ffffffffa03d2eed>] process_aac_pre_events+0xad/0x1f0 [mfeaack]
<4> [<ffffffffa03befff>] process_kill_sig+0x9f/0x110 [mfeaack]
<4> [<ffffffffa03bf1b3>] custom_sys_kill+0x33/0x80 [mfeaack]
<4> [<ffffffff81564357>] system_call_fastpath+0x35/0x3a