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: 0 PID: 1757 Comm: Xorg Tainted: G          I        6.0.12-200.fc36.x86_64 #1
Hardware name: Dell Inc. Inspiron 5559/04D1V1, BIOS 1.1.9 03/01/2016
RIP: 0010:radeon_vm_fini+0x149/0x230 [radeon]
Code: bf 70 01 00 00 e8 77 84 89 eb 83 f8 fc 74 13 85 c0 0f 84 45 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 9e
RSP: 0000:ffffb95404e0bd60 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff92a0d4147600 RDI: ffff92a0d4147620
RBP: ffff92a0d4147600 R08: ffff92a049cc4f28 R09: 000000000015000f
R10: 0000000000000000 R11: 0000000000000000 R12: ffff92a049cc4000
R13: ffff92a0d4147620 R14: ffff92a0d4147648 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff92a1bae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001f8010002 CR4: 00000000003706f0
Call Trace:
 <TASK>
 radeon_driver_postclose_kms+0x160/0x180 [radeon]
 drm_file_free.part.0+0x201/0x250
 drm_release+0x65/0x110
 __fput+0x8e/0x250
 task_work_run+0x59/0x90
 do_exit+0x31e/0xaf0
 do_group_exit+0x2d/0x90
 __x64_sys_exit_group+0x14/0x20
 do_syscall_64+0x58/0x80
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8347edd471
Code: Unable to access opcode bytes at RIP 0x7f8347edd447.
RSP: 002b:00007ffc34bc8bf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f8347ff49e0 RCX: 00007f8347edd471
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: fffffffffffffc70 R09: 00007f8347fffb20
R10: 00007f8347e05fd0 R11: 0000000000000246 R12: 00007f8347ff49e0
R13: 0000000000000000 R14: 00007f8347ff9ee8 R15: 00007f8347ff9f00
 </TASK>
Modules linked in: tls rfcomm 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 bnep sunrpc snd_soc_avs snd_soc_hda_codec snd_soc_skl snd_soc_hdac_hda intel_rapl_msr snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp intel_rapl_common snd_soc_acpi_intel_match intel_tcc_cooling at24 x86_pkg_temp_thermal intel_powerclamp snd_soc_acpi coretemp mei_pxp mei_hdcp iTCO_wdt kvm_intel snd_soc_core intel_pmc_bxt iTCO_vendor_support snd_hda_codec_hdmi snd_ctl_led kvm dell_laptop dell_smm_hwmon snd_compress snd_hda_codec_realtek iwlmvm irqbypass snd_hda_codec_generic ac97_bus rapl snd_pcm_dmaengine intel_cstate snd_hda_intel mac80211 intel_uncore snd_intel_dspcfg rtsx_usb_ms memstick snd_intel_sdw_acpi uvcvideo videobuf2_vmalloc btusb libarc4
 snd_hda_codec videobuf2_memops btrtl dell_wmi ledtrig_audio sparse_keymap videobuf2_v4l2 dell_smbios dcdbas btbcm btintel snd_hda_core videobuf2_common btmtk iwlwifi wmi_bmof dell_wmi_descriptor videodev bluetooth joydev snd_hwdep pcspkr snd_seq mc cfg80211 snd_seq_device snd_pcm mei_me i2c_i801 mei snd_timer idma64 snd intel_xhci_usb_role_switch i2c_smbus soundcore intel_pch_thermal dell_rbtn acpi_pad rfkill zram amdgpu iommu_v2 gpu_sched i915 radeon rtsx_usb_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel drm_ttm_helper polyval_clmulni drm_buddy ttm hid_multitouch polyval_generic ghash_clmulni_intel drm_display_helper r8169 serio_raw rtsx_usb cec i2c_hid_acpi wmi i2c_hid video pinctrl_sunrisepoint ip6_tables ip_tables fuse
CR2: 0000000000000000