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: 1 PID: 3204 Comm: GpuWatchdog Tainted: G          I       5.15.6-200.fc35.x86_64 #1
Hardware name: LENOVO 80EW/Lenovo B50-80, BIOS A8CN54WW(V3.07) 09/02/2016
RIP: 0010:radeon_vm_fini+0x14a/0x230 [radeon]
Code: e8 bb 7d ed dd 4c 8b 7d 70 31 f6 49 8b bf 70 01 00 00 e8 a9 52 4e de 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:ffffb01d41fcfc48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9045aa31ec00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9045aa31e000 RDI: ffff9045aa31e020
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffb01d41fcfb90
R10: ffff90454d7b8de0 R11: 000000000000005f R12: ffff9045aa31e000
R13: ffff904549f70000 R14: ffff9045aa31e048 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff904696c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001e4e10004 CR4: 00000000003706e0
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
 ? cap_ptrace_access_check+0x60/0x80
 ? __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: 0033:0x7f9c15d8c77a
Code: Unable to access opcode bytes at RIP 0x7f9c15d8c750.
RSP: 002b:00007f9c04d5c190 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 00007f9c04d5c2a0 RCX: 00007f9c15d8c77a
RDX: 0000000000000000 RSI: 0000000000000089 RDI: 00007f9c04d5c400
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 00007f9c04d5c2a0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c04d5c400 R14: 0000000000000000 R15: 00007f9c04d5c3b0
 </TASK>
Modules linked in: uinput nf_conntrack_netlink xt_addrtype br_netfilter rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack overlay ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 bnep ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter qrtr ns sunrpc vfat fat squashfs loop uvcvideo videobuf2_vmalloc ath9k videobuf2_memops ath9k_common ath9k_hw videobuf2_v4l2 videobuf2_common videodev mc mac80211 intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp libarc4 coretemp ath kvm_intel kvm irqbypass snd_hda_codec_realtek cfg80211 snd_hda_codec_generic ledtrig_audio iTCO_wdt
 snd_hda_codec_hdmi intel_pmc_bxt snd_hda_intel ath3k snd_intel_dspcfg btusb snd_intel_sdw_acpi rapl intel_cstate btrtl btbcm snd_hda_codec snd_hda_core btintel bluetooth snd_hwdep snd_seq intel_uncore snd_seq_device snd_pcm ecdh_generic iTCO_vendor_support snd_timer mei_hdcp at24 snd lpc_ich mei_me soundcore mei pcspkr i2c_i801 ak8975 i2c_smbus inv_mpu6050_i2c joydev inv_mpu6050 ideapad_laptop industrialio_triggered_buffer kfifo_buf wmi_bmof sparse_keymap i2c_mux acpi_pad platform_profile rfkill cm32181 industrialio zram ip_tables amdgpu iommu_v2 gpu_sched i915 radeon rtsx_pci_sdmmc mmc_core drm_ttm_helper i2c_algo_bit ttm crct10dif_pclmul crc32_pclmul drm_kms_helper crc32c_intel cec ghash_clmulni_intel drm serio_raw r8169 rtsx_pci wmi video ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000