Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP NOPTI
CPU: 3 PID: 787 Comm: systemd-logind Tainted: G        W          6.1.14-100.fc36.x86_64 #1
Hardware name: LENOVO 80U6/Lenovo E41-15, BIOS 1UCN19WW(V2.06.GOA) 06/27/2017
RIP: 0010:ww_mutex_lock_interruptible+0x1f/0x80
Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 41 54 55 48 89 f5 53 48 89 fb e8 0c de ff ff 31 c0 65 48 8b 14 25 c0 fb 01 00 <f0> 48 0f b1 13 75 25 48 85 ed 74 15 83 45 10 01 48 89 6b 20 f0 83
RSP: 0018:ffffb979408f7d48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000010358a
RDX: ffff905208e3a880 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffb979408f7b18
R10: 0000000000000003 R11: ffffffffb9147448 R12: ffff90520841c000
R13: ffff905141f88420 R14: ffff90513259a500 R15: ffff90510ea7f000
FS:  00007f28326c8bc0(0000) GS:ffff90521b580000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000b7294000 CR4: 00000000000406e0
Call Trace:
 <TASK>
 radeon_vm_fini+0x6a/0x230 [radeon]
 radeon_driver_postclose_kms+0x160/0x180 [radeon]
 drm_file_free.part.0+0x207/0x250
 drm_release+0x64/0xd0
 __fput+0x91/0x250
 task_work_run+0x59/0x90
 exit_to_user_mode_prepare+0x1c8/0x1f0
 syscall_exit_to_user_mode+0x17/0x40
 do_syscall_64+0x67/0x80
 ? __x64_sys_ioctl+0x90/0xd0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f283310231a
Code: b8 03 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 53 6f f8 ff 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 b3 6f f8 ff 8b 44 24
RSP: 002b:00007ffe45155240 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000000001b RCX: 00007f283310231a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000001b
RBP: 00007f28326c89e8 R08: 0000556525eedcb0 R09: 00007f2833176750
R10: 00007ffe45155024 R11: 0000000000000293 R12: 0000000000000000
R13: 0000556525ec0040 R14: 0000000000000000 R15: 00007ffe45155390
 </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 binfmt_misc vfat fat rtl8821ae btcoexist rtl_pci rtlwifi btusb snd_hda_codec_conexant snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel btrtl mac80211 btbcm btintel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec rtsx_usb_ms btmtk edac_mce_amd snd_hda_core memstick uvcvideo libarc4 videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common kvm_amd videodev mc cfg80211 kvm irqbypass bluetooth ideapad_laptop snd_hwdep snd_seq snd_seq_device snd_pcm wmi_bmof snd_timer sparse_keymap platform_profile rfkill pcspkr joydev snd soundcore k10temp i2c_piix4 fam15h_power acpi_cpufreq zram amdgpu iommu_v2 gpu_sched drm_buddy
 radeon crct10dif_pclmul rtsx_usb_sdmmc crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel sdhci_pci sha512_ssse3 cqhci sdhci mmc_core serio_raw drm_ttm_helper rtsx_usb ttm sp5100_tco drm_display_helper ccp r8169 cec video wmi ip6_tables ip_tables fuse
CR2: 0000000000000000