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: 1 PID: 52429 Comm: postman:sh1 Tainted: P           OE     5.16.19-200.fc35.x86_64 #1
Hardware name: LENOVO 80E5/Lenovo G50-80, BIOS B0CN75WW 03/26/2015
RIP: 0010:radeon_vm_fini+0x148/0x230 [radeon]
Code: e8 3d 1c 2c e4 4c 8b 7d 70 31 f6 49 8b bf 70 01 00 00 e8 9b 86 90 e4 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 6f
RSP: 0000:ffffbc0105a77c48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9e75247cfc00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9e74025bde00 RDI: ffff9e74025bde20
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff9e750ae34f18
R10: ffff9e74046417e0 R11: 000000000000005f R12: ffff9e74025bde00
R13: ffff9e750ae34000 R14: ffff9e74025bde48 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff9e755ac80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003597e004 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
 ? __futex_unqueue+0x25/0x30
 do_group_exit+0x33/0xa0
 get_signal+0xaf/0x9c0
 arch_do_signal_or_restart+0x109/0x740
 ? do_futex+0x14b/0x1f0
 ? __x64_sys_futex+0x63/0x1a0
 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: 0033:0x7f676d86673a
Code: Unable to access opcode bytes at RIP 0x7f676d866710.
RSP: 002b:00007f67510b3530 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f676d86673a
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 00002bd369cbdad8
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00002bd369cbdad8 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in: 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 qrtr bnep sunrpc iwlmvm mac80211 libarc4 snd_hda_codec_conexant snd_hda_codec_generic ledtrig_audio iwlwifi snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer cfg80211 snd soundcore intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common intel_powerclamp videodev coretemp btusb btrtl btbcm btintel mc ideapad_laptop wmi_bmof iTCO_wdt intel_pmc_bxt rtsx_usb_ms iTCO_vendor_support rapl mei_pxp bluetooth memstick mei_hdcp sparse_keymap mei_me i2c_i801 platform_profile intel_cstate intel_uncore
 pcspkr ecdh_generic i2c_smbus joydev rfkill lpc_ich mei acpi_pad zram ip_tables amdgpu iommu_v2 gpu_sched i915 radeon rtsx_usb_sdmmc mmc_core drm_ttm_helper i2c_algo_bit ttm crct10dif_pclmul crc32_pclmul drm_kms_helper crc32c_intel cec ghash_clmulni_intel drm r8169 serio_raw rtsx_usb wmi video ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000