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: 3 PID: 3465 Comm: Chrome_ChildIOT Tainted: G          I        6.0.11-300.fc37.x86_64 #1
Hardware name: LENOVO 80E5/Lenovo G50-80, BIOS B0CN93WW 07/23/2015
RIP: 0010:radeon_vm_fini+0x149/0x230 [radeon]
Code: bf 70 01 00 00 e8 77 84 84 ef 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: 0018:ffff989c47aabc18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88ad432af600 RDI: ffff88ad432af620
RBP: ffff88ad432af600 R08: ffff88ad49f0cf28 R09: ffff989c47aabb68
R10: 0000000000000003 R11: 0000000000000001 R12: ffff88ad49f0c000
R13: ffff88ad432af620 R14: ffff88ad432af648 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff88ad9ad80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000156010004 CR4: 00000000003706e0
Call Trace:
 <TASK>
 radeon_driver_postclose_kms+0x160/0x180 [radeon]
 drm_file_free.part.0+0x204/0x250
 drm_release+0x65/0x110
 __fput+0x91/0x250
 task_work_run+0x5c/0x90
 do_exit+0x31e/0xaf0
 do_group_exit+0x2d/0x90
 get_signal+0x98e/0x990
 arch_do_signal_or_restart+0x44/0x770
 exit_to_user_mode_prepare+0x117/0x1f0
 syscall_exit_to_user_mode+0x17/0x40
 do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4f49751fd6
Code: Unable to access opcode bytes at RIP 0x7f4f49751fac.
RSP: 002b:00007f4f291fa280 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
RAX: fffffffffffffffc RBX: 00003c7c00be9420 RCX: 00007f4f49751fd6
RDX: 0000000000000020 RSI: 00003c7c0037a400 RDI: 0000000000000022
RBP: 00007f4f291fa2e0 R08: 0000000000000000 R09: 6918772475be0bfa
R10: 00000000ffffffff R11: 0000000000000293 R12: 00003c7c00393100
R13: aaaaaaaaaaaaaaaa R14: 00003c7c0037a400 R15: 7fffffffffffffff
 </TASK>
Modules linked in: tls uinput rfcomm snd_seq_dummy snd_hrtimer qrtr bnep sunrpc vfat fat uvcvideo intel_rapl_msr intel_rapl_common videobuf2_vmalloc x86_pkg_temp_thermal intel_powerclamp videobuf2_memops videobuf2_v4l2 videobuf2_common coretemp videodev kvm_intel snd_hda_codec_conexant snd_hda_codec_generic kvm ledtrig_audio iwlmvm btusb mc snd_hda_codec_hdmi mac80211 snd_hda_intel btrtl snd_intel_dspcfg irqbypass btbcm libarc4 iwlwifi snd_intel_sdw_acpi btintel rapl ideapad_laptop snd_hda_codec iTCO_wdt intel_pmc_bxt iTCO_vendor_support btmtk intel_cstate snd_hda_core sparse_keymap rtsx_usb_ms memstick intel_uncore mei_hdcp mei_pxp cfg80211 snd_hwdep platform_profile snd_seq bluetooth snd_seq_device snd_pcm snd_timer wmi snd mei_me rfkill joydev soundcore i2c_i801 pcspkr mei lpc_ich i2c_smbus acpi_pad zram amdgpu iommu_v2 gpu_sched i915 radeon rtsx_usb_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel drm_buddy drm_ttm_helper polyval_clmulni ttm polyval_generic
 drm_display_helper serio_raw r8169 ghash_clmulni_intel rtsx_usb cec video scsi_dh_rdac scsi_dh_emc scsi_dh_alua fuse dm_multipath
CR2: 0000000000000000