Kernel panic due to BUG_ON() in the third party kernel module [scst]

Issue

• Kernel panics with the following messages:

[187360.367247] kernel BUG at /home/dev/workspace/vxos_scst_qlogic_dev_rhel76_compile/kernel_rpms/scst-qlogic/rpmbuild/BUILD/scst-qlogic/scst-qlogic/scst/src/scst_targ.c:7416!
[187360.367298] invalid opcode: 0000 [#1] SMP 
[187360.367327] Modules linked in: qla2x00tgt(OE) scst(OE) [..]
[187360.371139] CPU: 8 PID: 191925 Comm: kworker/8:0 Kdump: loaded Tainted: P           OE  ------------   3.10.0-957.72.1.el7.x86_64 #1
[187360.371576] Hardware name: Veritas NetBackup Appliance 5240/S2600WTTR, BIOS SE5C610.86B.01.01.0029.052820200607 05/28/2020
[187360.372012] Workqueue: events q2t_sess_work_fn [qla2x00tgt]
[187360.372217] task: ffff9a2773df1040 ti: ffff9a2b45d04000 task.ti: ffff9a2b45d04000
[187360.372638] RIP: 0010:[<ffffffffc0fdebbd>]  [<ffffffffc0fdebbd>] scst_rx_mgmt_fn+0x3cd/0x420 [scst]
[--]
[187360.376383] Call Trace:
[187360.376604]  [<ffffffffc0fdf6c1>] scst_unregister_session+0x71/0x150 [scst]
[187360.376821]  [<ffffffffc1345946>] q2t_unreg_sess+0xc6/0x1a0 [qla2x00tgt]
[187360.377043]  [<ffffffffc1345a47>] q2t_sess_put+0x27/0x70 [qla2x00tgt]
[187360.377250]  [<ffffffffc1352fed>] q2t_exec_sess_work+0x14d/0xdb0 [qla2x00tgt]
[187360.377675]  [<ffffffffc1353d0f>] q2t_sess_work_fn+0xbf/0x1f0 [qla2x00tgt]
[187360.377893]  [<ffffffff8cabb50f>] process_one_work+0x17f/0x440
[187360.378107]  [<ffffffff8cabc5a6>] worker_thread+0x126/0x3c0
[187360.378320]  [<ffffffff8cabc480>] ? manage_workers.isra.25+0x2a0/0x2a0
[187360.378548]  [<ffffffff8cac33f1>] kthread+0xd1/0xe0
[187360.378767]  [<ffffffff8cac3320>] ? insert_kthread_work+0x40/0x40
[187360.378997]  [<ffffffff8d179c1d>] ret_from_fork_nospec_begin+0x7/0x21
[187360.379204]  [<ffffffff8cac3320>] ? insert_kthread_work+0x40/0x40
[187360.379418] Code: 48 89 44 24 08 4c 89 24 24 41 b8 f7 1c 00 00 48 c7 c1 d0 fd 01 c1 48 c7 c2 52 15 03 c1 48 c7 c6 74 15 03 c1 31 c0 e8 d3 b8 02 00 <0f> 0b 48 8b 3d 72 b3 0a 00 48 05 c8 00 00 00 49 c7 c1 e0 7a 02 
[187360.380312] RIP  [<ffffffffc0fdebbd>] scst_rx_mgmt_fn+0x3cd/0x420 [scst]
[187360.380558]  RSP <ffff9a2b45d07bd8>