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] SMP PTI
CPU: 0 PID: 232147 Comm: chrome:sh2 Tainted: G          I       5.15.6-200.fc35.x86_64 #1
Hardware name: Dell Inc. Inspiron 5759/05NVNV, BIOS 1.7.0 05/10/2019
RIP: 0010:radeon_vm_fini+0x14a/0x230 [radeon]
Code: e8 bb 4d 23 d0 4c 8b 7d 70 31 f6 49 8b bf 70 01 00 00 e8 a9 22 84 d0 83 f8 fc 0f 85 34 ff ff ff 49 8b 44 24 48 4d 8d 74 24 48 <48> 8b 10 48 8d 68 a8 48 8d 5a a8 49 39 c6 74 2e 48 8d 7d 70 e8 bd
RSP: 0018:ffffbb0a4317fc48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8f2fae900000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8f2fae900200 RDI: ffff8f2fae900220
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffbb0a4317fb90
R10: ffff8f308de13ba0 R11: 000000000000005f R12: ffff8f2fae900200
R13: ffff8f2d4bc34000 R14: ffff8f2fae900248 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff8f30b2c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000126e10005 CR4: 00000000003706f0
Call Trace:
 <TASK>
 radeon_driver_postclose_kms+0x16b/0x180 [radeon]
 drm_file_free.part.0+0x206/0x250 [drm]
 drm_release+0x65/0x110 [drm]
 __fput+0x94/0x250
 task_work_run+0x65/0xa0
 do_exit+0x338/0xa90
 do_group_exit+0x33/0xa0
 get_signal+0x16b/0x910
 arch_do_signal_or_restart+0xfd/0x730
 ? __note_gp_changes+0x178/0x1b0
 ? __x64_sys_futex+0x63/0x1a0
 ? __x64_sys_futex+0x63/0x1a0
 exit_to_user_mode_prepare+0x11a/0x240
 syscall_exit_to_user_mode+0x18/0x40
 do_syscall_64+0x48/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f14bf30b72a
Code: Unable to access opcode bytes at RIP 0x7f14bf30b700.
RSP: 002b:00007f14a3196530 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f14bf30b72a
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 00001a3e001b61d8
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00001a3e001b61b0 R15: 00001a3e001b6188
 </TASK>
Modules linked in: uinput binfmt_misc rfcomm snd_seq_dummy snd_hrtimer qrtr ns ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt ipt_REJECT nf_reject_ipv4 xt_LOG nf_log_syslog xt_comment xt_limit ppdev bnep parport_pc xt_addrtype parport xt_conntrack vmw_vsock_vmci_transport vsock ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast vmw_vmci nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter sunrpc vfat fat btusb uvcvideo btrtl btbcm btintel bluetooth videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev rtsx_usb_ms memstick mc ecdh_generic intel_rapl_msr snd_soc_skl snd_hda_codec_hdmi snd_soc_hdac_hda iTCO_wdt intel_pmc_bxt at24 mei_hdcp snd_hda_ext_core iTCO_vendor_support snd_soc_sst_ipc snd_ctl_led snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi intel_rapl_common snd_soc_core snd_hda_codec_realtek intel_tcc_cooling x86_pkg_temp_thermal snd_hda_codec_generic intel_powerclamp snd_compress
 ac97_bus coretemp snd_pcm_dmaengine dell_laptop dell_smm_hwmon snd_hda_intel kvm_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec iwlmvm kvm snd_hda_core irqbypass mac80211 snd_hwdep snd_seq rapl snd_seq_device snd_pcm libarc4 intel_cstate intel_uncore dell_wmi ledtrig_audio dell_smbios dcdbas sparse_keymap snd_timer dell_wmi_descriptor wmi_bmof i2c_i801 iwlwifi pcspkr snd joydev soundcore i2c_smbus cfg80211 mei_me mei idma64 intel_xhci_usb_role_switch intel_pch_thermal dell_rbtn rfkill acpi_pad zram ip_tables xfs dm_crypt trusted asn1_encoder amdgpu iommu_v2 gpu_sched i915 radeon rtsx_usb_sdmmc mmc_core hid_multitouch i2c_algo_bit drm_ttm_helper ttm crct10dif_pclmul crc32_pclmul crc32c_intel drm_kms_helper ghash_clmulni_intel cec drm serio_raw r8169 rtsx_usb i2c_hid_acpi wmi i2c_hid video pinctrl_sunrisepoint ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000