kernel panic in pcie_config_aspm_link() function due to involvement of third party kernel module [veloce_driver]

Issue

• Kernel panic occurred at pcie_config_aspm_link() function due to 3rd party module [veloce_driver]
• Kernel panics with following messages:

[   44.095748] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
[   44.095776] IP: [<ffffffff8137ef74>] pcie_config_aspm_link+0x24/0x110
[   44.095798] PGD 0 
[   44.095806] Oops: 0000 [#1] SMP 
[   44.095818] Modules linked in: veloce_driver(OE) ext4 mbcache jbd2 vfat fat skx_edac edac_core intel_powerclamp coretemp intel_rapl iosf_mbi kvm irqbypass crc32_pclmul ghash_c
lmulni_intel ses pcspkr aesni_intel joydev enclosure lrw sg gf128mul glue_helper hpwdt ablk_helper cryptd hpilo ipmi_si ipmi_devintf ipmi_msghandler wmi lpc_ich mei_me mei shpchp
 acpi_power_meter nfsd auth_rpcgss binfmt_misc nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod crc_t10dif crct10dif_generic uas usb_storage mgag200 i2c_algo_bit drm_kms
_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm crct10dif_pclmul crct10dif_common crc32c_intel i40e drm smartpqi tg3 scsi_transport_sas ptp i2c_core pps_core dm_mirror dm_region_hash dm_log dm_mod
[   44.096052] CPU: 10 PID: 4857 Comm: veloce57 Tainted: G        W  OE  ------------   3.10.0-693.21.1.el7.x86_64 #1
[   44.096075] Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 09/29/2022
[   44.096094] task: ffff887f392f0fd0 ti: ffff883f352ac000 task.ti: ffff883f352ac000
[   44.096111] RIP: 0010:[<ffffffff8137ef74>]  [<ffffffff8137ef74>] pcie_config_aspm_link+0x24/0x110
[   44.096135] RSP: 0018:ffff883f352afc80  EFLAGS: 00010282
[   44.096149] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000003e80
[   44.096165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff884066d2e900
[   44.096181] RBP: ffff883f352afcb8 R08: ffff884066d2e29c R09: 00000001802a0018
[   44.096198] R10: 0000000038e98c01 R11: ffffea00fce3a600 R12: 0000000000000007
[   44.096214] R13: ffff884066d2e900 R14: ffff884066d2e900 R15: ffff887f3cd43c28
[   44.096231] FS:  0000000000000000(0000) GS:ffff88803f880000(0000) knlGS:0000000000000000
[   44.096249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.096263] CR2: 0000000000000018 CR3: 0000000001a02000 CR4: 00000000003607e0
[   44.096279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.096296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.096311] Call Trace:
[   44.096322]  [<ffffffff8137f091>] pcie_config_aspm_path+0x31/0x60
[   44.096338]  [<ffffffff8137ff56>] pcie_aspm_exit_link_state+0xc6/0xd0
[   44.096356]  [<ffffffff8136a5db>] pci_stop_bus_device+0x6b/0xa0
[   44.096371]  [<ffffffff8136a5ab>] pci_stop_bus_device+0x3b/0xa0
[   44.096386]  [<ffffffff8136a5ab>] pci_stop_bus_device+0x3b/0xa0
[   44.096401]  [<ffffffff8136a5ab>] pci_stop_bus_device+0x3b/0xa0
[   44.096416]  [<ffffffff8136a5ab>] pci_stop_bus_device+0x3b/0xa0
[   44.096430]  [<ffffffff8136a5ab>] pci_stop_bus_device+0x3b/0xa0
[   44.096445]  [<ffffffff8136a702>] pci_stop_and_remove_bus_device+0x12/0x20
[   44.096466]  [<ffffffffc0746ab9>] vdd_renumerate_bus+0x139/0x2b0 [veloce_driver]
[   44.096486]  [<ffffffffc074947e>] vdd_partial_init_buses+0x6e/0xe0 [veloce_driver]
[   44.096504]  [<ffffffffc0750e4d>] vdd_thread_run+0x42d/0x540 [veloce_driver]
[   44.096523]  [<ffffffffc0750a20>] ? vdd_dma_prog+0x410/0x410 [veloce_driver]
[   44.096541]  [<ffffffff810b4031>] kthread+0xd1/0xe0
[   44.096555]  [<ffffffff810b3f60>] ? insert_kthread_work+0x40/0x40
[   44.096572]  [<ffffffff816c055d>] ret_from_fork+0x5d/0xb0
[   44.096585]  [<ffffffff810b3f60>] ? insert_kthread_work+0x40/0x40
[   44.096600] Code: 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 fe 41 55 41 54 53 48 83 ec 10 48 8b 07 0f b6 5f 49 48 89 45 c8 <4c> 8b 60 18 0f b7 47 48 c0 eb 04 83 e3 07 f7 d3 66 c1 e8 06 83 
[   44.097766] RIP  [<ffffffff8137ef74>] pcie_config_aspm_link+0x24/0x110
[   44.098299]  RSP <ffff883f352afc80>
[   44.098824] CR2: 0000000000000018