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: 1 PID: 554 Comm: kworker/1:2 Not tainted 6.2.9-200.fc37.x86_64 #1
Hardware name: LENOVO 20XWCTO1WW/20XWCTO1WW, BIOS N32ET82W (1.58 ) 12/05/2022
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: e9 56 85 57 d9 66 0f 1f 44 00 00 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:ffffb0d20070fe10 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffa0fd4df4ed08 RCX: ffffa0fd4df4ecd8
RDX: 0000000000000000 RSI: ffffa1008dd52018 RDI: 0000000000000000
RBP: ffffa1008dd52018 R08: 6b5e72736d647564 R09: ffffa0fd4b8bd134
R10: 000000000000000c R11: fefefefefefefeff R12: ffffa1008dd52000
R13: ffffa0fd4df4ecd8 R14: ffffa1008dd52018 R15: ffffa1008dd52088
FS:  0000000000000000(0000) GS:ffffa1008f640000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000049 CR3: 000000010433e002 CR4: 0000000000770ee0
PKRU: 55555554
Call Trace:
 <TASK>
 drm_dp_mst_up_req_work+0x164/0x450 [drm_display_helper]
 ? add_timer_on+0x40/0x160
 process_one_work+0x1c5/0x3c0
 worker_thread+0x4d/0x380
 ? _raw_spin_lock_irqsave+0x23/0x50
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xe6/0x110
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x29/0x50
 </TASK>
Modules linked in: snd_usb_audio snd_usbmidi_lib snd_rawmidi r8153_ecm cdc_ether usbnet r8152 mii uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter iptable_filter qrtr bnep sunrpc binfmt_misc vfat fat snd_ctl_led snd_soc_skl_hda_dsp snd_soc_intel_hda_dsp_common snd_soc_hdac_hdmi snd_sof_probes snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_dmic snd_sof_pci_intel_tgl 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 snd_soc_hdac_hda iwlmvm snd_hda_ext_core snd_soc_acpi_intel_match iTCO_wdt intel_pmc_bxt snd_soc_acpi pmt_telemetry mei_hdcp mei_pxp iTCO_vendor_support intel_rapl_msr pmt_class mac80211 soundwire_bus snd_soc_core libarc4 snd_compress ac97_bus intel_tcc_cooling snd_pcm_dmaengine x86_pkg_temp_thermal snd_hda_intel squashfs snd_intel_dspcfg intel_powerclamp snd_intel_sdw_acpi uvcvideo coretemp iwlwifi btusb snd_hda_codec btrtl rapl btbcm videobuf2_vmalloc snd_hda_core videobuf2_memops processor_thermal_device_pci_legacy intel_cstate snd_hwdep btintel processor_thermal_device intel_uncore videobuf2_v4l2 btmtk pcspkr videobuf2_common snd_seq processor_thermal_rfim cfg80211 bluetooth snd_seq_device videodev thinkpad_acpi processor_thermal_mbox mei_me think_lmi processor_thermal_rapl i2c_i801 ledtrig_audio intel_rapl_common snd_pcm wmi_bmof thunderbolt firmware_attributes_class platform_profile mei joydev mc i2c_smbus idma64 intel_vsec
 igen6_edac rfkill snd_timer intel_soc_dts_iosf snd int3403_thermal soundcore soc_button_array int340x_thermal_zone intel_hid int3400_thermal sparse_keymap acpi_thermal_rel acpi_pad acpi_tad loop zram i915 drm_buddy nvme drm_display_helper nvme_core crct10dif_pclmul crc32_pclmul crc32c_intel cec polyval_clmulni ucsi_acpi hid_multitouch polyval_generic ghash_clmulni_intel sha512_ssse3 typec_ucsi serio_raw nvme_common ttm video typec i2c_hid_acpi i2c_hid wmi pinctrl_tigerlake scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse
CR2: 0000000000000049