Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000448
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 6 PID: 166310 Comm: kworker/u16:5 Not tainted 6.3.5-200.fc38.x86_64 #1
Hardware name: LENOVO 20VE/LNVNB161216, BIOS F8CN41WW(V2.04) 05/07/2021
Workqueue: i915 __i915_gem_free_work [i915]
RIP: 0010:mmu_interval_notifier_remove+0x2e/0x1d0
Code: 0f 1f 44 00 00 41 57 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 30 4c 8b 67 38 65 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 <49> 8b ac 24 48 04 00 00 e8 c5 5b bc 00 4c 8d 6d 0c 4c 89 ef e8 d9
RSP: 0018:ffffbe954d28fdf0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9bed6d4c8ce8 RCX: ffff9bed00059028
RDX: 00000000000000ff RSI: ffff9bed6d4c8918 RDI: ffff9bed6d4c8ce8
RBP: fffffffffffffde8 R08: 0000000000000000 R09: ffff9bed2a9477f4
R10: 0000000000000005 R11: 0000000000000100 R12: 0000000000000000
R13: 0000000000000000 R14: ffff9bed2a947780 R15: ffff9bed0d7d2340
FS:  0000000000000000(0000) GS:ffff9bf09fb80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000448 CR3: 000000014f658006 CR4: 0000000000f70ee0
PKRU: 55555554
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x171/0x4e0
 ? exc_page_fault+0x7c/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? mmu_interval_notifier_remove+0x2e/0x1d0
 i915_gem_userptr_release+0x19/0x30 [i915]
 __i915_gem_free_object+0x4f/0x110 [i915]
 i915_gem_flush_free_objects+0x76/0xa0 [i915]
 process_one_work+0x1c4/0x3d0
 worker_thread+0x51/0x390
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xdb/0x110
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x29/0x50
 </TASK>
Modules linked in: binfmt_misc rfcomm snd_seq_dummy snd_hrtimer sunrpc qrtr bnep vfat fat snd_ctl_led snd_soc_skl_hda_dsp snd_soc_intel_hda_dsp_common snd_soc_hdac_hdmi snd_sof_probes snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_soc_dmic snd_sof_pci_intel_tgl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof iwlmvm snd_sof_utils snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi soundwire_bus snd_soc_core mac80211 snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg libarc4 snd_intel_sdw_acpi snd_hda_codec x86_pkg_temp_thermal snd_hda_core intel_powerclamp coretemp uvcvideo snd_hwdep kvm_intel iTCO_wdt intel_pmc_bxt snd_seq uvc videobuf2_vmalloc snd_seq_device videobuf2_memops videobuf2_v4l2 mei_hdcp mei_pxp ee1004 iTCO_vendor_support snd_pcm kvm intel_rapl_msr iwlwifi videobuf2_common btusb btrtl btbcm snd_timer irqbypass btintel
 processor_thermal_device_pci_legacy processor_thermal_device rapl intel_cstate videodev processor_thermal_rfim btmtk snd mei_me intel_uncore processor_thermal_mbox think_lmi pcspkr cfg80211 firmware_attributes_class bluetooth mc wmi_bmof soundcore mei i2c_i801 i2c_smbus idma64 processor_thermal_rapl thunderbolt intel_rapl_common ideapad_laptop intel_soc_dts_iosf igen6_edac sparse_keymap platform_profile int3403_thermal rfkill int340x_thermal_zone int3400_thermal acpi_pad joydev acpi_thermal_rel loop zram dm_crypt hid_logitech_hidpp hid_logitech_dj i915 i2c_algo_bit drm_buddy nvme drm_display_helper rtsx_pci_sdmmc nvme_core crct10dif_pclmul mmc_core crc32_pclmul crc32c_intel cec nvme_common polyval_clmulni ucsi_acpi polyval_generic hid_multitouch ghash_clmulni_intel sha512_ssse3 typec_ucsi rtsx_pci ttm r8169 typec vmd i2c_hid_acpi i2c_hid video wmi pinctrl_tigerlake serio_raw scsi_dh_rdac scsi_dh_emc scsi_dh_alua fuse dm_multipath ecryptfs
CR2: 0000000000000448