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: 2 PID: 21584 Comm: Chrome_ChildIOT Not tainted 6.0.11-300.fc37.x86_64 #1
Hardware name: LENOVO 80E5/Lenovo G50-80, BIOS B0CN80WW 05/18/2015
RIP: 0010:radeon_vm_fini+0x149/0x230 [radeon]
Code: bf 70 01 00 00 e8 77 74 8d e9 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:ffffa455c4c07c68 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9389f337f400 RDI: ffff9389f337f420
RBP: ffff9389f337f400 R08: ffff938acb0ecf28 R09: ffffa455c4c07bb8
R10: 0000000000000003 R11: 0000000000000001 R12: ffff938acb0ec000
R13: ffff9389f337f420 R14: ffff9389f337f448 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff938c16d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000135010001 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
 ? __schedule+0x33a/0x12c0
 ? sched_clock_cpu+0xb/0xc0
 exit_to_user_mode_prepare+0x117/0x1f0
 irqentry_exit_to_user_mode+0x5/0x30
 asm_sysvec_reschedule_ipi+0x16/0x20
RIP: 0033:0x5630e4b9f8d0
Code: Unable to access opcode bytes at RIP 0x5630e4b9f8a6.
RSP: 002b:00007f538a3fa120 EFLAGS: 00000246
RAX: 00005630ed3774c0 RBX: 00003bf800b18110 RCX: 00003bf800b18000
RDX: 0000000000165e8d RSI: 0000000000000000 RDI: 00003bf800b18110
RBP: 00007f538a3fa2c0 R08: 00003bf804001de0 R09: 00007f5389bf95d8
R10: 00005630ed3774c0 R11: 0000000000000246 R12: 00005630ed3784d0
R13: 00007f538a3fa3c0 R14: 00007f538a3fa1b0 R15: 00005630ecb2e848
 </TASK>
Modules linked in: tls binfmt_misc uinput 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 bnep btusb btrtl uvcvideo btbcm btintel videobuf2_vmalloc videobuf2_memops btmtk videobuf2_v4l2 rtsx_usb_ms memstick videobuf2_common bluetooth videodev mc qrtr intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp iwlmvm at24 coretemp kvm_intel mac80211 iTCO_wdt intel_pmc_bxt iTCO_vendor_support kvm libarc4 irqbypass snd_hda_codec_conexant rapl snd_hda_codec_generic iwlwifi ledtrig_audio snd_hda_codec_hdmi joydev intel_cstate snd_hda_intel snd_intel_dspcfg i2c_i801 snd_intel_sdw_acpi intel_uncore snd_hda_codec pcspkr cfg80211 i2c_smbus snd_hda_core snd_hwdep snd_seq ideapad_laptop snd_seq_device lpc_ich squashfs sparse_keymap
 platform_profile snd_pcm loop rfkill wmi snd_timer snd acpi_pad soundcore zram amdgpu iommu_v2 gpu_sched i915 radeon rtsx_usb_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic drm_buddy drm_ttm_helper ghash_clmulni_intel ttm serio_raw r8169 drm_display_helper rtsx_usb cec video ip6_tables ip_tables fuse
CR2: 0000000000000000