[ 1024.251288] BUG: kernel NULL pointer dereference, address: 0000000000000080
[ 1024.251290] #PF: supervisor read access in kernel mode
[ 1024.251291] #PF: error_code(0x0000) - not-present page
[ 1024.251292] PGD 0 P4D 0 
[ 1024.251296] Oops: 0000 [#1] SMP NOPTI
[ 1024.251299] CPU: 6 PID: 282 Comm: kworker/6:2 Tainted: G           O      5.5.0-rc7+ #15
[ 1024.251300] Hardware name: AMD Myrtle/Myrtle-RV, BIOS WMX0108N 01/06/2020
[ 1024.251306] Workqueue: events ucsi_handle_connector_change [typec_ucsi]
[ 1024.251311] RIP: 0010:ucsi_displayport_remove_partner+0xb/0x30 [typec_ucsi]
[ 1024.251314] Code: 00 c6 43 38 00 c7 43 28 00 00 00 00 48 83 c7 10 e8 ea a6 0d f3 5b 5d c3 0f 1f 80 00 00 00 00 0f 1f 44 00 00 48 85 ff 74 1e 55 <48> 8b 47 78 48 89 e5 48 85 c0 0f 84 50 03 00 00 48 c7 00 00 00 00
[ 1024.251316] RSP: 0018:ffffbec040617dc0 EFLAGS: 00010202
[ 1024.251318] RAX: 0000000000000008 RBX: ffffa0b5dd16a970 RCX: 000000000000767f
[ 1024.251320] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000008
[ 1024.251321] RBP: ffffbec040617df0 R08: 0000000000000000 R09: ffffbec040617c78
[ 1024.251322] R10: ffffa0b59777e818 R11: ffffa0b5f872cc78 R12: 0000000000000000
[ 1024.251323] R13: ffffa0b5dd16a970 R14: 0000000000000001 R15: ffffa0b5dd16a800
[ 1024.251325] FS:  0000000000000000(0000) GS:ffffa0b5f8780000(0000) knlGS:0000000000000000
[ 1024.251326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1024.251327] CR2: 0000000000000080 CR3: 000000019e10e000 CR4: 00000000003406e0
[ 1024.251329] Call Trace:
[ 1024.251334]  ? ucsi_unregister_altmodes+0x7f/0xa0 [typec_ucsi]
[ 1024.251337]  ucsi_unregister_partner.part.0+0x17/0x30 [typec_ucsi]
[ 1024.251341]  ucsi_handle_connector_change+0x220/0x320 [typec_ucsi]
[ 1024.251345]  ? __schedule+0x2e0/0x760
[ 1024.251349]  process_one_work+0x1ec/0x3a0
[ 1024.251352]  worker_thread+0x4d/0x400
[ 1024.251354]  kthread+0x104/0x140
[ 1024.251357]  ? process_one_work+0x3a0/0x3a0
[ 1024.251360]  ? kthread_park+0x90/0x90
[ 1024.251362]  ret_from_fork+0x22/0x40
[ 1024.251364] Modules linked in: typec_displayport ucsi_ccg ucsi_pci_amd(O) typec_ucsi typec nls_iso8859_1 amdgpu edac_mce_amd kvm_amd ccp kvm snd_hda_codec_realtek irqbypass snd_seq_midi snd_hda_codec_generic snd_seq_midi_event ledtrig_audio snd_rawmidi snd_hda_codec_hdmi crct10dif_pclmul crc32_pclmul snd_hda_intel amd_iommu_v2 snd_intel_dspcfg gpu_sched snd_hda_codec snd_seq ghash_clmulni_intel ttm snd_hda_core aesni_intel crypto_simd drm_kms_helper snd_hwdep cryptd glue_helper snd_pcm snd_seq_device drm k10temp wmi_bmof snd_pci_acp3x snd_timer input_leds i2c_algo_bit snd fb_sys_fops syscopyarea sysfillrect soundcore sysimgblt mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid hid nvme i2c_piix4 nvme_core sdhci_pci cqhci tg3 sdhci ahci libahci wmi video gpio_amdpt gpio_generic
[ 1024.251398] CR2: 0000000000000080
[ 1024.251401] ---[ end trace b474f602fe29e6b8 ]---
[ 1024.251404] RIP: 0010:ucsi_displayport_remove_partner+0xb/0x30 [typec_ucsi]
[ 1024.251406] Code: 00 c6 43 38 00 c7 43 28 00 00 00 00 48 83 c7 10 e8 ea a6 0d f3 5b 5d c3 0f 1f 80 00 00 00 00 0f 1f 44 00 00 48 85 ff 74 1e 55 <48> 8b 47 78 48 89 e5 48 85 c0 0f 84 50 03 00 00 48 c7 00 00 00 00
[ 1024.251407] RSP: 0018:ffffbec040617dc0 EFLAGS: 00010202
[ 1024.251409] RAX: 0000000000000008 RBX: ffffa0b5dd16a970 RCX: 000000000000767f
[ 1024.251410] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000008
[ 1024.251411] RBP: ffffbec040617df0 R08: 0000000000000000 R09: ffffbec040617c78
[ 1024.251412] R10: ffffa0b59777e818 R11: ffffa0b5f872cc78 R12: 0000000000000000
[ 1024.251413] R13: ffffa0b5dd16a970 R14: 0000000000000001 R15: ffffa0b5dd16a800
[ 1024.251414] FS:  0000000000000000(0000) GS:ffffa0b5f8780000(0000) knlGS:0000000000000000
[ 1024.251416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1024.251418] CR2: 0000000000000080 CR3: 000000019e10e000 CR4: 00000000003406e0
[ 1024.252359] Nehal xfer  success