Backtrace

WARNING: CPU: 1 PID: 652 at mm/kfence/core.c:134 kfence_unprotect+0x18/0x30
Modules linked in: typec_displayport thunderbolt ccm rfcomm xt_nat xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype br_netfilter nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_objref nf_conntrack_tftp nft_ct tun bridge overlay stp llc nf_tables ebtable_nat ebtable_broute 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 nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat rmi_smbus rmi_core 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_hda_codec_hdmi snd_soc_acpi snd_soc_core snd_compress snd_hda_codec_realtek snd_pcm_dmaengine ac97_bus x86_pkg_temp_thermal iTCO_wdt snd_hda_codec_generic intel_powerclamp intel_pmc_bxt coretemp iTCO_vendor_support intel_rapl_msr mei_hdcp iwlmvm kvm_intel snd_hda_intel snd_intel_dspcfg
 snd_intel_sdw_acpi snd_hda_codec kvm mac80211 snd_hda_core snd_hwdep snd_seq snd_seq_device irqbypass libarc4 rapl intel_cstate iwlwifi intel_uncore snd_pcm btusb joydev pcspkr btrtl btbcm wmi_bmof intel_wmi_thunderbolt btintel i2c_i801 snd_timer i2c_smbus uvcvideo cfg80211 bluetooth mei_me videobuf2_vmalloc videobuf2_memops mei videobuf2_v4l2 videobuf2_common thinkpad_acpi ecdh_generic ecc platform_profile ledtrig_audio processor_thermal_device processor_thermal_rfim snd ucsi_acpi processor_thermal_mbox intel_xhci_usb_role_switch processor_thermal_rapl typec_ucsi intel_rapl_common intel_pch_thermal soundcore intel_soc_dts_iosf typec rfkill int3403_thermal int340x_thermal_zone acpi_pad int3400_thermal acpi_thermal_rel binfmt_misc zram ip_tables i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul cec crc32_pclmul crc32c_intel nvme e1000e drm ghash_clmulni_intel serio_raw nvme_core wmi video i2c_hid_acpi i2c_hid v4l2loopback(OE) videodev mc fuse
CPU: 1 PID: 652 Comm: kworker/1:3 Tainted: G        W  OE     5.12.6-200.fc33.x86_64 #1
Hardware name: LENOVO 20KG0022US/20KG0022US, BIOS N23ET75W (1.50 ) 10/13/2020
Workqueue: events_long drm_dp_mst_up_req_work [drm_kms_helper]
RIP: 0010:kfence_unprotect+0x18/0x30
Code: 05 6c 1c a6 01 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 81 e7 00 f0 ff ff 31 f6 e8 3d ff ff ff 84 c0 74 01 c3 <0f> 0b c6 05 3f 1c a6 01 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f
RSP: 0018:ffffa3c2c08b3cc0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffa3c2c08b3ca4
RDX: ffffa3c2c08b3ca4 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000049 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffa3c2c08b3d48 R14: 0000000000000049 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff917a52640000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000049 CR3: 0000000351dc6003 CR4: 00000000003706e0
Call Trace:
 page_fault_oops+0x89/0x270
 ? __switch_to_asm+0x42/0x70
 exc_page_fault+0x67/0x150
 asm_exc_page_fault+0x1e/0x30
RIP: 0010:get_mst_branch_device_by_guid_helper+0xf/0x70 [drm_kms_helper]
Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 e9 c6 0b ef ff 66 0f 1f 44 00 00 0f 1f 44 00 00 41 54 49 89 f4 55 53 48 8b 16 <48> 39 57 49 74 3b 48 8b 47 28 48 8d 6f 28 48 8d 58 e8 48 39 c5 74
RSP: 0018:ffffa3c2c08b3df0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9176c835cce0 RCX: 0000000000000000
RDX: 00000001003b2bd3 RSI: ffff91777b8780d8 RDI: 0000000000000000
RBP: ffff9176c835ccc0 R08: ffff9176c835ccb0 R09: ffff9176c835cb10
R10: 0000000000000014 R11: 0000000000000000 R12: ffff91777b8780d8
R13: ffff917a5266f900 R14: ffff91777b8780d8 R15: ffff91777b878148
 drm_dp_mst_up_req_work+0x13e/0x4e0 [drm_kms_helper]
 ? __switch_to+0x80/0x450
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30