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: Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 UID: 1000 PID: 2408 Comm: Xorg Not tainted 6.14.5-100.fc40.x86_64 #1
Hardware name: LENOVO 80K6/Lenovo Z51-70, BIOS C2CN17WW(V1.03) 03/19/2015
RIP: 0010:radeon_vm_fini+0x14d/0x250 [radeon]
Code: bf 60 01 00 00 e8 43 18 e7 c1 83 f8 fc 74 13 85 c0 0f 84 45 ff ff ff 3d 00 fe ff ff 0f 85 04 01 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 1a
RSP: 0018:ffffa78b00497c48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000150000
RDX: 0000000000000000 RSI: ffff97b18ae37c00 RDI: ffff97b18ae37c20
RBP: ffff97b18ae37c00 R08: ffff97b1cac3c3c0 R09: 0000000000150000
R10: 0000000000150000 R11: ffff97b18105cab8 R12: ffff97b18ab7c000
R13: ffff97b18ae37c20 R14: ffff97b18ae37c48 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff97b2d6c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001fe82c006 CR4: 00000000003726f0
Call Trace:
 <TASK>
 radeon_driver_postclose_kms+0x164/0x180 [radeon]
 drm_file_free+0x21b/0x280
 drm_release+0x5e/0xd0
 __fput+0xe6/0x2a0
 task_work_run+0x5c/0x90
 do_exit+0x256/0x4b0
 do_group_exit+0x30/0x80
 get_signal+0x7e6/0x7f0
 arch_do_signal_or_restart+0x35/0x100
 syscall_exit_to_user_mode+0x126/0x210
 do_syscall_64+0x8e/0x160
 ? syscall_exit_to_user_mode+0x10/0x210
 ? do_syscall_64+0x8e/0x160
 ? do_syscall_64+0x8e/0x160
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4116a57729
Code: Unable to access opcode bytes at 0x7f4116a576ff.
RSP: 002b:00007f4115def950 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00007f4116a57729
RDX: 0000000000000000 RSI: 0000000000000189 RDI: 0000564e5744f938
RBP: 00007f4115def980 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000564e5744f938
 </TASK>
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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_tables ebtable_nat ebtable_broute 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 ebtable_filter ebtables ip6table_filter iptable_filter qrtr bnep sunrpc iwlmvm binfmt_misc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp mac80211 coretemp kvm_intel iTCO_wdt intel_pmc_bxt mei_hdcp mei_pxp at24 iTCO_vendor_support libarc4 snd_ctl_led kvm snd_hda_codec_realtek snd_hda_codec_generic uvcvideo snd_hda_scodec_component snd_hda_codec_hdmi irqbypass rapl btusb snd_hda_intel btrtl uvc intel_cstate rtsx_usb_ms btintel iwlwifi videobuf2_vmalloc
 snd_intel_dspcfg videobuf2_memops btbcm snd_intel_sdw_acpi memstick intel_uncore snd_hda_codec btmtk mei_me videobuf2_v4l2 i2c_i801 wmi_bmof pcspkr i2c_smbus videobuf2_common snd_hda_core r8169 bluetooth cfg80211 snd_hwdep mei snd_seq videodev realtek lpc_ich snd_seq_device snd_pcm snd_timer mc snd soundcore ideapad_laptop sparse_keymap platform_profile rfkill acpi_pad joydev loop dm_multipath nfnetlink zram lz4hc_compress lz4_compress amdgpu amdxcp gpu_sched drm_panel_backlight_quirks i915 radeon rtsx_usb_sdmmc mmc_core polyval_clmulni drm_ttm_helper drm_buddy polyval_generic ttm ghash_clmulni_intel drm_exec i2c_algo_bit drm_suballoc_helper sha512_ssse3 sha256_ssse3 drm_display_helper sha1_ssse3 video cec rtsx_usb i2c_hid_acpi i2c_hid wmi serio_raw scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables fuse
CR2: 0000000000000000