Kernel panic due to third party verdasys kernel module

Issue

• Kernel panics with the following messages:

[481814.508283] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
[481814.508321] IP: [<ffffffff959903e1>] strstr+0x21/0x90
[481814.508346] PGD 17af72067 PUD 15e7d5067 PMD 0 
[481814.508366] Oops: 0000 [#1] SMP 
[481814.508380] Modules linked in: iptable_filter binfmt_misc rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache vmw_vsock_vmci_transport vsock sunrpc iosf_mbi crc32_pclmul ghash_clmulni_intel ppdev aesni_intel vmw_balloon lrw gf128mul glue_helper ablk_helper cryptd joydev pcspkr sg parport_pc vmw_vmci parport i2c_piix4 verdasys(OE) rule(POE) str_cache(OE) ip_tables xfs libcrc32c sr_mod cdrom ata_generic pata_acpi vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm sd_mod crc_t10dif ahci drm crct10dif_generic ata_piix libahci nfit libata crct10dif_pclmul crct10dif_common libnvdimm crc32c_intel serio_raw vmxnet3 vmw_pvscsi drm_panel_orientation_quirks floppy dm_mirror dm_region_hash dm_log dm_mod fuse
[481814.508624] CPU: 12 PID: 2229 Comm: mongodb-mms-aut Kdump: loaded Tainted: P           OE  ------------   3.10.0-1160.11.1.el7.x86_64 #1
[481814.508661] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 12/12/2018
[481814.508691] task: ffff8faccbfcb180 ti: ffff8face4bb8000 task.ti: ffff8face4bb8000
[481814.508714] RIP: 0010:[<ffffffff959903e1>]  [<ffffffff959903e1>] strstr+0x21/0x90
[481814.508739] RSP: 0018:ffff8face4bbbd68  EFLAGS: 00010212
[481814.508756] RAX: 0000000000000004 RBX: ffff8face039c000 RCX: ffff8face4bbbd9c
[481814.508779] RDX: 000000000000001c RSI: ffff8fb40af888dc RDI: 0000000000000004
[481814.508802] RBP: ffff8face4bbbd68 R08: ffff8fb40af888db R09: ffff8fb40af888f4
[481814.508828] R10: 0000000000000000 R11: 0000000000000002 R12: ffff8face4bbbda0
[481814.508859] R13: 0000000000000000 R14: ffff8fb40af888b8 R15: ffff8fb42d3c0800
[481814.508889] FS:  00007f97027fc700(0000) GS:ffff8fbbbfd00000(0000) knlGS:0000000000000000
[481814.508913] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[481814.508933] CR2: 0000000000000004 CR3: 0000000163f9a000 CR4: 00000000007607e0
[481814.508997] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[481814.509025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[481814.509048] PKRU: 55555554
[481814.509059] Call Trace:
[481814.509089]  [<ffffffffc059eecf>] dllhook_print+0x14af/0x17c0 [verdasys]
[481814.509117]  [<ffffffffc05b8a5a>] get_title_url+0x29a/0xb80 [verdasys]
[481814.509142]  [<ffffffffc05bacc5>] dcd_on_write+0x35/0xf0 [verdasys]
[481814.509166]  [<ffffffffc0590aa5>] _write+0xa5/0x270 [verdasys]
[481814.509189]  [<ffffffff95d93f92>] system_call_fastpath+0x25/0x2a
[481814.509207] Code: 66 2e 0f 1f 84 00 00 00 00 00 80 3e 00 55 48 89 e5 74 5b 48 89 f2 0f 1f 40 00 48 83 c2 01 80 3a 00 75 f7 48 29 f2 48 89 f8 74 46 <80> 3f 00 74 5b 66 2e 0f 1f 84 00 00 00 00 00 48 83 c0 01 80 38 
[481814.509417] RIP  [<ffffffff959903e1>] strstr+0x21/0x90
[481814.509483]  RSP <ffff8face4bbbd68>
[481814.509561] CR2: 0000000000000004