System crashed at strlen() which was called from 'ioctlMod()'

Issue

• System crashed with the below log

...
[1130401.366337] [RENAME] fail to construct a new linuxfile object.
[1130401.366340] failed to inquiry namespace root path
[1130401.366341] [RENAME] fail to construct a new linuxfile object.
[1133124.357735] BUG: unable to handle kernel NULL pointer dereference at           (null)
[1133124.357785] IP: [<ffffffffb238eec0>] strlen+0x0/0x30
[1133124.357852] PGD 800000023421f067 PUD 2334d2067 PMD 0 
[1133124.357877] Oops: 0000 [#1] SMP 
[1133124.357902] Modules linked in: binfmt_misc udp_diag tcp_diag inet_diag vmsecmod(OE) nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache vmw_vsock_vmci_transport vsock sunrpc iosf_mbi ppdev crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd sg vmw_balloon joydev pcspkr parport_pc parport vmw_vmci i2c_piix4 ip_tables ext4 mbcache jbd2 sr_mod cdrom ata_generic pata_acpi vmwgfx drm_kms_helper sd_mod crc_t10dif crct10dif_generic syscopyarea sysfillrect sysimgblt fb_sys_fops ttm crct10dif_pclmul crct10dif_common crc32c_intel ahci drm e1000e ata_piix libahci libata serio_raw ptp pps_core nfit vmxnet3 vmw_pvscsi libnvdimm drm_panel_orientation_quirks dm_mirror dm_region_hash dm_log dm_mod
[1133124.358263] CPU: 0 PID: 40530 Comm: icsfilesec Kdump: loaded Tainted: G           OE  ------------   3.10.0-1127.el7.x86_64 #1
[1133124.358302] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 12/12/2018
[1133124.358373] task: ffff99d33b809070 ti: ffff99d4b366c000 task.ti: ffff99d4b366c000
[1133124.358400] RIP: 0010:[<ffffffffb238eec0>]  [<ffffffffb238eec0>] strlen+0x0/0x30
[1133124.358429] RSP: 0018:ffff99d4b366fb90  EFLAGS: 00010246
[1133124.358449] RAX: ffff99d322ab2000 RBX: 00007f0d7c0008c0 RCX: 0000000000000000
[1133124.358474] RDX: 0000000000000006 RSI: ffff99d4b366fe47 RDI: 0000000000000000
[1133124.358499] RBP: ffff99d4b366fe78 R08: 7469726765746e69 R09: 0000000000000000
[1133124.358524] R10: ffff99d4b366fc48 R11: 000134e3591f166a R12: ffff99d4b366fe11
[1133124.358549] R13: 00007f0d8462ee10 R14: 0000000000000001 R15: 0000000000000000
[1133124.358574] FS:  00007f0d8462f700(0000) GS:ffff99d4b5600000(0000) knlGS:0000000000000000
[1133124.358603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1133124.358623] CR2: 0000000000000000 CR3: 00000002346ae000 CR4: 00000000007607f0
[1133124.358690] PKRU: 55555554
[1133124.358704] Call Trace:
[1133124.358737]  [<ffffffffc08325fd>] ? ioctlMod+0x12bd/0x1e70 [vmsecmod]
[1133124.358772]  [<ffffffffb20c7780>] ? wake_up_atomic_t+0x30/0x30
[1133124.358800]  [<ffffffffb2262810>] do_vfs_ioctl+0x3a0/0x5b0
[1133124.358823]  [<ffffffffb226d805>] ? fget_light+0x45/0xe0
[1133124.358842]  [<ffffffffb2262ac1>] SyS_ioctl+0xa1/0xc0
[1133124.358866]  [<ffffffffb2792ed2>] system_call_fastpath+0x25/0x2a
[1133124.358887] Code: 89 f8 48 89 e5 f6 82 e0 ab 85 b2 20 74 15 0f 1f 44 00 00 48 83 c0 01 0f b6 10 f6 82 e0 ab 85 b2 20 75 f0 5d c3 66 0f 1f 44 00 00 <80> 3f 00 55 48 89 e5 74 15 48 89 f8 0f 1f 40 00 48 83 c0 01 80 
[1133124.359058] RIP  [<ffffffffb238eec0>] strlen+0x0/0x30
[1133124.359080]  RSP <ffff99d4b366fb90>
[1133124.359093] CR2: 0000000000000000