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: 4160 Comm: ThreadPoolServi Not tainted 5.16.8-200.fc35.x86_64 #1
Hardware name: LENOVO 80EW/Lenovo B50-80, BIOS A8CN33WW(V2.01) 02/16/2015
RIP: 0010:radeon_vm_fini+0x148/0x230 [radeon]
Code: e8 7d b5 1e f2 4c 8b 7d 70 31 f6 49 8b bf 70 01 00 00 e8 6b e8 82 f2 83 f8 fc 0f 85 36 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 8f
RSP: 0018:ffffbf8a844bfc48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9e2522e5e200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9e2522e5ee00 RDI: ffff9e2522e5ee20
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff9e240a5a4f18
R10: ffff9e24d0844480 R11: 000000000000005f R12: ffff9e2522e5ee00
R13: ffff9e240a5a4000 R14: ffff9e2522e5ee48 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff9e2556d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001e7e10001 CR4: 00000000003706e0
Call Trace:
 <TASK>
 radeon_driver_postclose_kms+0x169/0x180 [radeon]
 drm_file_free.part.0+0x206/0x250 [drm]
 drm_release+0x65/0x110 [drm]
 __fput+0x94/0x250
 task_work_run+0x5c/0x90
 do_exit+0x364/0xb40
 do_group_exit+0x33/0xa0
 get_signal+0xaf/0x9c0
 ? preempt_count_add+0x68/0xa0
 ? _raw_write_lock_irq+0x1a/0x40
 arch_do_signal_or_restart+0x109/0x740
 ? do_wait_intr_irq+0xa0/0xa0
 exit_to_user_mode_prepare+0x119/0x230
 syscall_exit_to_user_mode+0x18/0x40
 do_syscall_64+0x48/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fa2b1988c2e
Code: Unable to access opcode bytes at RIP 0x7fa2b1988c04.
RSP: 002b:00007fa294dbc430 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
RAX: fffffffffffffffc RBX: 000031fe003b7800 RCX: 00007fa2b1988c2e
RDX: 0000000000000020 RSI: 000031fe002eab80 RDI: 0000000000000023
RBP: 00007fa294dbc490 R08: 0000000000000000 R09: aaaaaaaaaaaaaaaa
R10: 00000000ffffffff R11: 0000000000000293 R12: 000031fe003b7800
R13: 000031fe008f8200 R14: 000031fe002eab80 R15: 0000000000000000
 </TASK>
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer nf_conntrack_netlink xt_addrtype br_netfilter xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc bnep 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 ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set overlay nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter qrtr sunrpc binfmt_misc squashfs loop ath3k btusb btrtl btbcm btintel bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc ecdh_generic intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp ath9k coretemp ath9k_common mei_hdcp at24 mei_pxp iTCO_wdt intel_pmc_bxt iTCO_vendor_support kvm_intel kvm
 ath9k_hw irqbypass mac80211 rapl snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi intel_cstate snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi libarc4 snd_hda_codec ath intel_uncore snd_hda_core cfg80211 snd_hwdep snd_seq pcspkr joydev snd_seq_device wmi_bmof snd_pcm i2c_i801 i2c_smbus lpc_ich snd_timer ak8975 snd mei_me mei soundcore inv_mpu6050_i2c ideapad_laptop sparse_keymap inv_mpu6050 platform_profile industrialio_triggered_buffer rfkill cm32181 kfifo_buf i2c_mux industrialio acpi_pad zram ip_tables amdgpu iommu_v2 gpu_sched i915 radeon drm_ttm_helper i2c_algo_bit ttm rtsx_pci_sdmmc drm_kms_helper mmc_core cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel rtsx_pci r8169 serio_raw wmi video ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000