Multiple soft lockup messages due to third-party cvbf kernel module

Issue

• Multiple soft lockup messages are observed when unloading the third-party cvbf kernel module:

kernel: cvbf: module verification failed: signature and/or required key missing - tainting kernel
kernel: 13965: cvbf_init(): Initializing the driver.
kernel: 13965: cvbf_init(): Built: Jan 11 2024 10:51:23
kernel: 13965: cvbf_init(): rc=0
kernel: 13969: cvbf_cleanup(): The driver is being unloaded.
kernel: 13969: cvbf_remove_proc(): Removing /proc/cvbf tree.
kernel: 13975: cvbf_init(): Initializing the driver.
kernel: 13975: cvbf_init(): Built: Jan 11 2024 10:51:23
kernel: 13975: cvbf_init(): rc=0
kernel: 13978: cvbf_cleanup(): The driver is being unloaded.
kernel: 13978: cvbf_remove_proc(): Removing /proc/cvbf tree.
kernel: watchdog: BUG: soft lockup - CPU#13 stuck for 23s! [rmmod:13978]
kernel: Modules linked in: cvbf(POE-) binfmt_misc nf_tables nfnetlink intel_rapl_msr intel_rapl_common intel_uncore_frequency_common isst_if_mbox_msr isst_if_common nfit libnvdimm kvm_intel kvm irqbypass crc32_pclmul rapl vmw_balloon pcspkr joydev i2c_piix4 auth_rpcgss sunrpc vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vmw_vmci xfs libcrc32c sr_mod sd_mod cdrom t10_pi sg ata_generic vmwgfx drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt crct10dif_pclmul drm crc32c_intel ata_piix ghash_clmulni_intel libata serio_raw vmxnet3 vmw_pvscsi dm_mirror dm_region_hash dm_log dm_mod fuse [last unloaded: cvbf]
kernel: Red Hat flags: eBPF/event eBPF/rawtrace
kernel: CPU: 13 PID: 13978 Comm: rmmod Kdump: loaded Tainted: POE ---------- 4.18.0-553.71.1.el8_10.x86_64 #1
kernel: Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
kernel: RIP: 0010:native_queued_spin_lock_slowpath+0x24/0x1c0
kernel: Code: ff ff 0f 1f 40 00 0f 1f 44 00 00 0f 1f 44 00 00 ba 01 00 00 00 8b 07 85 c0 75 0d f0 0f b1 17 85 c0 75 f2 c3 cc cc cc cc f3 90 <eb> 
e9 81 fe 00 01 00 00 74 44 81 e6 00 ff ff ff 75 71 f0 0f ba 2f
kernel: RSP: 0018:ffffb81cc6a23e78 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
kernel: RAX: 0000000000000001 RBX: ffffffffc0a3c480 RCX: 0000000080100007
kernel: RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffc0a3d8b8
kernel: RBP: ffffb81cc6a23f58 R08: 0000000000000001 R09: 0000000000000001
kernel: R10: ffff9efce0bf2000 R11: ffffb81cc6a23c00 R12: 0000000000000000
kernel: R13: ffffb81cc6a23e88 R14: 0000000000000000 R15: 0000000000000000
kernel: FS:  00007f6c5ab8ab80(0000) GS:ffff9f0b7e140000(0000) knlGS:0000000000000000
kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: CR2: 000055c0a66b1058 CR3: 0000000160382006 CR4: 00000000007706e0
kernel: PKRU: 55555554
kernel: Call Trace:
kernel: <IRQ>
kernel: ? watchdog_timer_fn.cold.10+0x46/0x9e
kernel: ? watchdog+0x30/0x30
kernel: ? __hrtimer_run_queues+0x101/0x280
kernel: ? hrtimer_interrupt+0x100/0x220
kernel: ? sched_clock+0x5/0x10
kernel: ? smp_apic_timer_interrupt+0x6a/0x130
kernel: ? apic_timer_interrupt+0xf/0x20
kernel: </IRQ>
kernel: ? native_queued_spin_lock_slowpath+0x24/0x1c0
kernel: ? cvdrv_debug_destroy+0x16/0x40 [cvbf]
kernel: _raw_spin_lock+0x1e/0x30
kernel: cvdrv_ftrace_destroy+0x6c/0x160 [cvbf]
kernel: cvbf_cleanup+0x31/0x3b [cvbf]
kernel: __x64_sys_delete_module+0x141/0x260
kernel: do_syscall_64+0x5b/0x1a0
kernel: entry_SYSCALL_64_after_hwframe+0x66/0xcb
kernel: RIP: 0033:0x7f6c59a8dbab
kernel: Code: 73 01 c3 48 8b 0d dd 72 39 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d ad 72 39 00 f7 d8 64 89 01 48