Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#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: 1 PID: 3230 Comm: skypeforli:sh2 Not tainted 5.18.18-200.fc36.x86_64 #1
Hardware name: LENOVO 80Q7/Paris 5A8, BIOS D5CN46WW 03/15/2016
RIP: 0010:radeon_vm_fini+0x152/0x240 [radeon]
Code: bf 70 01 00 00 e8 5e 28 82 e3 83 f8 fc 74 13 85 c0 0f 84 3c ff ff ff 3d 00 fe ff ff 0f 85 e7 00 00 00 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 45
RSP: 0000:ffffa0eec2823c48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff916922b7da00 RDI: ffff916922b7da20
RBP: ffff916922b7da00 R08: ffff91690a040f28 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000000 R12: ffff91690a040000
R13: ffff916922b7da20 R14: ffff916922b7da48 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff916b76480000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001848ac002 CR4: 00000000003706e0
Call Trace:
 <TASK>
 radeon_driver_postclose_kms+0x169/0x180 [radeon]
 drm_file_free.part.0+0x201/0x250
 drm_release+0x65/0x110
 __fput+0x8e/0x250
 task_work_run+0x59/0x90
 do_exit+0x312/0xae0
 ? __futex_unqueue+0x25/0x40
 do_group_exit+0x2d/0x90
 get_signal+0x94c/0x950
 arch_do_signal_or_restart+0x30/0x740
 ? do_futex+0x106/0x1b0
 ? __x64_sys_futex+0x63/0x190
 exit_to_user_mode_prepare+0x117/0x1f0
 syscall_exit_to_user_mode+0x17/0x40
 do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f48b6291a19
Code: Unable to access opcode bytes at RIP 0x7f48b62919ef.
RSP: 002b:00007f4899d81770 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f48b6291a19
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 00003c620023ae58
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00003c620023ae08
R13: 0000000000000000 R14: 0000000000000000 R15: 00003c620023ae58
 </TASK>
Modules linked in: uinput tls xt_comment rfcomm snd_seq_dummy snd_hrtimer xt_nat veth xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_addrtype nft_compat nf_tables nfnetlink br_netfilter bridge stp llc qrtr overlay bnep sunrpc binfmt_misc vfat fat intel_rapl_msr iwlmvm snd_soc_skl at24 iTCO_wdt mac80211 snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp intel_pmc_bxt iTCO_vendor_support mei_pxp snd_soc_acpi_intel_match mei_hdcp snd_soc_acpi intel_rapl_common libarc4 intel_tcc_cooling squashfs x86_pkg_temp_thermal snd_soc_core intel_powerclamp loop snd_hda_codec_hdmi snd_hda_codec_conexant snd_compress iwlwifi snd_hda_codec_generic ledtrig_audio ac97_bus snd_pcm_dmaengine coretemp snd_hda_intel rapl intel_cstate intel_uncore uvcvideo snd_intel_dspcfg videobuf2_vmalloc snd_intel_sdw_acpi videobuf2_memops snd_hda_codec videobuf2_v4l2 videobuf2_common snd_hda_core snd_hwdep rtsx_usb_ms snd_seq
 iwlmei memstick snd_seq_device videodev btusb btrtl snd_pcm btbcm btintel btmtk intel_wmi_thunderbolt mc joydev snd_timer bluetooth cfg80211 snd i2c_i801 pcspkr i2c_smbus soundcore ecdh_generic ideapad_laptop sparse_keymap platform_profile rfkill mei_me intel_xhci_usb_role_switch acpi_pad mei intel_pch_thermal zram amdgpu iommu_v2 gpu_sched i915 rtsx_usb_sdmmc radeon mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel drm_buddy drm_ttm_helper r8169 ttm serio_raw drm_dp_helper rtsx_usb wmi video ip6_tables ip_tables fuse
CR2: 0000000000000000