Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000049
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 14 PID: 145 Comm: kworker/14:1 Tainted: G           OE      6.3.8-200.fc38.x86_64 #1
Hardware name: HP HP Z2 SFF G5 Workstation/8752, BIOS S50 Ver. 01.03.00 12/02/2021
Workqueue: events_long drm_dp_mst_up_req_work [drm_display_helper]
RIP: 0010:get_mst_branch_device_by_guid_helper+0xf/0x70 [drm_display_helper]
Code: 1f 44 00 00 e9 b2 3a 4e e6 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 41 54 55 48 89 f5 53 48 8b 16 <48> 39 57 49 74 3f 48 8b 47 28 4c 8d 67 28 48 8d 58 e8 49 39 c4 74
RSP: 0018:ffffa465c0647e10 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8a3dc9533ca0 RCX: ffff8a3dc9533c70
RDX: 00000000fffcadc4 RSI: ffff8a3dc1810558 RDI: 0000000000000000
RBP: ffff8a3dc1810558 R08: 6b5e72736d647564 R09: ffff8a3dc1810c74
R10: 000000000000000c R11: fefefefefefefeff R12: ffff8a3dc1810540
R13: ffff8a3dc9533c70 R14: ffff8a3dc1810558 R15: ffff8a3dc18105c8
FS:  0000000000000000(0000) GS:ffff8a40ff780000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000049 CR3: 00000003d6022001 CR4: 00000000007706e0
PKRU: 55555554
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x171/0x4e0
 ? exc_page_fault+0x7c/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? get_mst_branch_device_by_guid_helper+0xf/0x70 [drm_display_helper]
 drm_dp_mst_up_req_work+0x168/0x450 [drm_display_helper]
 ? __mutex_unlock_slowpath.isra.0+0x87/0x130
 process_one_work+0x1c4/0x3d0
 worker_thread+0x1da/0x390
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xdb/0x110
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x29/0x50
 </TASK>
Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr socwatch2_15(OE) vtsspp(OE) sep5(OE) socperf3(OE) nouveau mxm_wmi drm_ttm_helper pax(OE) sunrpc snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils soundwire_bus snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi hp_wmi binfmt_misc iTCO_wdt vfat fat snd_hda_codec sparse_keymap snd_hda_core snd_hwdep snd_seq platform_profile snd_seq_device joydev intel_pmc_bxt snd_pcm
 snd_timer snd processor_thermal_device_pci_legacy rfkill wmi_bmof iTCO_vendor_support processor_thermal_device soundcore processor_thermal_rfim intel_tcc_cooling x86_pkg_temp_thermal intel_rapl_msr mei_hdcp processor_thermal_mbox mei_wdt intel_powerclamp ee1004 mei_pxp coretemp kvm_intel mei_me int3403_thermal pcspkr i2c_i801 acpi_pad processor_thermal_rapl intel_rapl_common kvm irqbypass rapl int3400_thermal intel_cstate acpi_thermal_rel intel_uncore int340x_thermal_zone intel_soc_dts_iosf mei intel_pch_thermal i2c_smbus loop zram i915 i2c_algo_bit drm_buddy drm_display_helper crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni e1000e polyval_generic ucsi_acpi cec uas ghash_clmulni_intel typec_ucsi usb_storage sha512_ssse3 serio_raw typec ttm video wmi ip6_tables ip_tables fuse
CR2: 0000000000000049