Kernel panic in lc_destroy() function due to involvement of third party kernel module [drbd].

Issue

• Kernel panic in lc_destroy() function due to the involvement of third-party kernel module [drbd].
• The system got panicked because of a null pointer dereference inside
  lc_destroy() which belongs to a 3rd party vendor LINBIT.
• Kernel panics with the following messages:

[1223968.025761] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[1223968.033784] PGD 0 P4D 0 
[1223968.036499] Oops: 0000 [#1] SMP NOPTI
[1223968.040341] CPU: 6 PID: 1974203 Comm: kworker/6:0 Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-372.26.1.el8_6.x86_64 #1
[1223968.052869] Hardware name: Dell Inc. PowerEdge R740/0DY2X0, BIOS 2.14.2 03/21/2022
[1223968.060617] Workqueue: events drbd_ldev_destroy [drbd]
[1223968.065954] RIP: 0010:lc_destroy+0x21/0x70 [drbd]
[1223968.070849] Code: 00 00 00 00 eb c7 0f 1f 00 0f 1f 44 00 00 48 85 ff 74 5b 55 48 89 fd 53 8b 45 58 48 8b bf a8 00 00 00 85 c0 74 29 31 db 89 d8 <48> 8b 34 c7 48 85 f6 74 37 48 8b 7d 40 48 2b 75 50 e8 39 a0 d8 c2
[1223968.089799] RSP: 0018:ffffa7f52f51be60 EFLAGS: 00010246
[1223968.095203] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000802a000a
[1223968.102518] RDX: 00000000802a000b RSI: 00000000802a000a RDI: 0000000000000000
[1223968.109833] RBP: ffff8f6ca07f0c10 R08: 0000000000000001 R09: ffffffffc0d87b00
[1223968.117150] R10: ffff8f64b03b5500 R11: 0000000000000001 R12: ffff8fa5b459f808
[1223968.124462] R13: ffff8fa5b459f800 R14: ffff8f6a9bfc66c0 R15: ffff8fa5b459f8b8
[1223968.131778] FS:  0000000000000000(0000) GS:ffff8fa0400c0000(0000) knlGS:0000000000000000
[1223968.140047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1223968.145972] CR2: 0000000000000000 CR3: 00000070dd010005 CR4: 00000000007706e0
[1223968.153289] PKRU: 55555554
[1223968.156176] Call Trace:
[1223968.158806]  drbd_ldev_destroy+0x31/0xc0 [drbd]
[1223968.163529]  process_one_work+0x1a7/0x360
[1223968.167724]  ? create_worker+0x1a0/0x1a0
[1223968.171831]  worker_thread+0x30/0x390
[1223968.175679]  ? create_worker+0x1a0/0x1a0
[1223968.179788]  kthread+0x10a/0x120
[1223968.183200]  ? set_kthread_struct+0x40/0x40
[1223968.187570]  ret_from_fork+0x1f/0x40
[1223968.191329] Modules linked in: nf_tables mptcp_diag xsk_diag raw_diag unix_diag af_packet_diag netlink_diag dm_snapshot dm_bufio ext4 mbcache jbd2 drbd_transport_tcp(OE) drbd(OE)