Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
fbcon: Taking over console
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 3 PID: 1800 Comm: Xorg Not tainted 6.2.8-100.fc36.x86_64 #1
Hardware name: LENOVO 80LM/Lenovo B51-80, BIOS D7CN26WW(V1.03) 11/26/2015
RIP: 0010:radeon_vm_fini+0x171/0x250 [radeon]
Code: 21 49 8b 87 78 02 00 00 4c 89 fa 48 c7 c6 cf 03 5f c0 4c 89 f3 48 8b 38 e8 ec bd 50 ea 4d 85 f6 75 96 48 8b 45 48 4c 8d 75 48 <48> 8b 10 48 8d 58 a8 4c 8d 6a a8 49 39 c6 74 2e 48 8d 7b 70 e8 06
RSP: 0018:ffffb6cdc6157cd8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9de0969eca00 RDI: ffff9de0969eca20
RBP: ffff9de0969eca00 R08: ffff9de050070f28 R09: 0000000000150013
R10: 0000000000000000 R11: 0000000000000000 R12: ffff9de050070000
R13: ffff9de0969eca20 R14: ffff9de0969eca48 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff9de286580000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000184010002 CR4: 00000000003706e0
Call Trace:
 <TASK>
 radeon_driver_postclose_kms+0x160/0x190 [radeon]
 drm_file_free.part.0+0x204/0x250
 drm_release+0x64/0xd0
 __fput+0x8e/0x250
 task_work_run+0x56/0x90
 do_exit+0x33e/0xb20
 do_group_exit+0x2d/0x80
 __x64_sys_exit_group+0x14/0x20
 do_syscall_64+0x58/0x80
 ? handle_mm_fault+0xff/0x2f0
 ? preempt_count_add+0x47/0xa0
 ? up_read+0x37/0x70
 ? do_user_addr_fault+0x1ef/0x710
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f509c2dd4d1
Code: Unable to access opcode bytes at 0x7f509c2dd4a7.
RSP: 002b:00007ffe505eeca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f509c3f49e0 RCX: 00007f509c2dd4d1
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: fffffffffffffc70 R09: 00007f509c3ffb20
R10: 00007f509c205fd0 R11: 0000000000000246 R12: 00007f509c3f49e0
R13: 0000000000000000 R14: 00007f509c3f9ee8 R15: 00007f509c3f9f00
 </TASK>
Modules linked in: tls 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 squashfs loop snd_sof_pci_intel_skl 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 intel_rapl_msr intel_rapl_common snd_sof_utils intel_tcc_cooling soundwire_bus snd_soc_avs x86_pkg_temp_thermal mei_hdcp intel_powerclamp mei_pxp snd_soc_hda_codec at24 coretemp iwlmvm snd_soc_skl kvm_intel iTCO_wdt
 intel_pmc_bxt iTCO_vendor_support mac80211 kvm 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 irqbypass btusb uvcvideo libarc4 snd_hda_codec_realtek snd_soc_core videobuf2_vmalloc btrtl btbcm snd_hda_codec_generic btintel snd_compress videobuf2_memops rapl ledtrig_audio ac97_bus snd_pcm_dmaengine videobuf2_v4l2 intel_cstate iwlwifi snd_hda_intel videobuf2_common btmtk intel_uncore videodev snd_intel_dspcfg bluetooth snd_intel_sdw_acpi snd_hda_codec cfg80211 mc pcspkr intel_wmi_thunderbolt joydev snd_hda_core snd_hwdep snd_seq intel_xhci_usb_role_switch ideapad_laptop sparse_keymap platform_profile snd_seq_device rfkill snd_pcm mei_me snd_timer snd mei i2c_i801 intel_pch_thermal soundcore i2c_smbus acpi_pad zram amdgpu iommu_v2 gpu_sched i915 radeon rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic drm_ttm_helper drm_buddy ttm rtsx_pci
 ghash_clmulni_intel drm_display_helper r8169 sha512_ssse3 serio_raw cec video wmi ip6_tables ip_tables fuse
CR2: 0000000000000000