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: 2266 Comm: ferdi Not tainted 5.18.13-200.fc36.x86_64 #1
Hardware name: Dell Inc. Precision M2800/07C6X3, BIOS A17 06/13/2019
RIP: 0010:radeon_vm_fini+0x152/0x240 [radeon]
Code: bf 70 01 00 00 e8 0e a8 75 e5 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: 0018:ffffa70dc2eb7c78 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9859c6859a00 RDI: ffff9859c6859a20
RBP: ffff9859c6859a00 R08: ffff9859c9608f28 R09: ffffa70dc2eb7bc8
R10: 0000000000000006 R11: 0000000000000001 R12: ffff9859c9608000
R13: ffff9859c6859a20 R14: ffff9859c6859a48 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff985cdb880000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000191e10002 CR4: 00000000001706e0
Call Trace:
 <TASK>
 radeon_driver_postclose_kms+0x169/0x180 [radeon]
 drm_file_free.part.0+0x204/0x250
 drm_release+0x65/0x110
 __fput+0x91/0x250
 task_work_run+0x5c/0x90
 do_exit+0x312/0xae0
 do_group_exit+0x2d/0x90
 get_signal+0x94c/0x950
 ? new_sync_read+0x14c/0x160
 arch_do_signal_or_restart+0x30/0x740
 ? vfs_read+0x144/0x190
 exit_to_user_mode_prepare+0x117/0x1f0
 irqentry_exit_to_user_mode+0x5/0x30
 asm_sysvec_reschedule_ipi+0x15/0x20
RIP: 0033:0x55f2f73c3450
Code: Unable to access opcode bytes at RIP 0x55f2f73c3426.
RSP: 002b:00007ffc9fb005a8 EFLAGS: 00000216
RAX: 0000000000000000 RBX: 000027ee00059f20 RCX: 0000000000000014
RDX: 0000000000000008 RSI: 000027ee00059f20 RDI: 000027ee000c8c08
RBP: 00007ffc9fb005d0 R08: 0000000000000004 R09: 000027ee00056e80
R10: 00007ffc9fb6f080 R11: 0000000002b07d2e R12: 8618618618618619
R13: 000027ee000c8a00 R14: 00007ffc9fb006b0 R15: 000000061687506c
 </TASK>
Modules linked in: xt_comment nft_compat tls uas usb_storage uinput bnep ntfs3 snd_seq_dummy snd_hrtimer nft_objref 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 sunrpc vfat fat uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc btusb btrtl btbcm btintel btmtk bluetooth ecdh_generic intel_rapl_msr iTCO_wdt mei_pxp at24 mei_wdt intel_pmc_bxt iTCO_vendor_support mei_hdcp ppdev pktcdvd intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp dell_laptop dell_smm_hwmon iwlmvm kvm_intel kvm mac80211 irqbypass dell_wmi libarc4 rapl intel_cstate intel_uncore iwlwifi dell_smbios joydev iwlmei dcdbas dell_wmi_descriptor snd_hda_codec_realtek sparse_keymap snd_hda_codec_generic wmi_bmof pcspkr ledtrig_audio snd_hda_codec_hdmi cfg80211
 snd_hda_intel snd_intel_dspcfg snd_soc_rt5640 lpc_ich i2c_i801 snd_intel_sdw_acpi snd_soc_rl6231 i2c_smbus snd_soc_core snd_hda_codec snd_compress snd_hda_core ac97_bus snd_hwdep snd_pcm_dmaengine parport_pc snd_seq parport snd_seq_device snd_pcm snd_timer dell_smo8800 dell_rbtn mei_me mei snd rfkill soundcore zram amdgpu iommu_v2 gpu_sched mmc_block i915 hid_logitech_hidpp radeon crct10dif_pclmul crc32_pclmul crc32c_intel sdhci_pci ghash_clmulni_intel cqhci sdhci drm_buddy drm_ttm_helper ttm serio_raw mmc_core e1000e drm_dp_helper hid_logitech_dj wmi video fuse
CR2: 0000000000000000