Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000090
#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: 4 PID: 125 Comm: kworker/4:1 Tainted: P           OE     5.16.8-200.fc35.x86_64 #1
Hardware name: Dell Inc. XPS 15 9510/01V4T3, BIOS 1.7.0 12/09/2021
Workqueue: cgwb_release cgwb_release_workfn
RIP: 0010:iolatency_set_min_lat_nsec+0x28/0xb0
Code: 00 00 0f 1f 44 00 00 48 89 fa 48 85 ff 0f 84 80 00 00 00 48 63 05 78 24 a2 01 48 8b 8c c7 b8 00 00 00 48 89 f0 bf 00 e1 f5 05 <4c> 8b 81 90 00 00 00 48 89 b1 90 00 00 00 48 c1 e0 04 48 39 f8 48
RSP: 0018:ffffbf22406dfde8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000005f5e100
RBP: ffff9a7f4f6a0ea0 R08: ffff9a7f7c2eea08 R09: ffff9a7f7b840ed0
R10: 0000000000000001 R11: ffff9a7f7e223b50 R12: ffff9a7f44225608
R13: ffff9a7f7b840e00 R14: ffff9a7f448bc000 R15: ffff9a86af539e05
FS:  0000000000000000(0000) GS:ffff9a86af500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000090 CR3: 0000000297e10001 CR4: 0000000000770ee0
PKRU: 55555554
Call Trace:
 <TASK>
 iolatency_pd_offline+0x21/0xb0
 blkg_destroy+0x4f/0xf0
 blkcg_destroy_blkgs+0x46/0xb0
 cgwb_release_workfn+0x144/0x210
 process_one_work+0x1e5/0x3c0
 worker_thread+0x50/0x3b0
 ? rescuer_thread+0x350/0x350
 kthread+0x169/0x190
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x1f/0x30
 </TASK>
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer xt_conntrack xt_MASQUERADE nf_conntrack_netlink nft_counter xt_addrtype nft_compat br_netfilter 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set overlay nf_tables nfnetlink qrtr bnep sunrpc vfat fat squashfs loop snd_hda_codec_hdmi 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 snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi soundwire_bus snd_soc_core snd_ctl_led snd_hda_codec_realtek snd_compress ac97_bus intel_tcc_cooling snd_hda_codec_generic snd_pcm_dmaengine x86_pkg_temp_thermal ee1004 dell_laptop intel_powerclamp snd_hda_intel iTCO_wdt pmt_telemetry intel_pmc_bxt coretemp
 snd_intel_dspcfg mei_hdcp mei_pxp iTCO_vendor_support intel_rapl_msr pmt_class iwlmvm snd_intel_sdw_acpi kvm_intel snd_hda_codec mac80211 snd_hda_core nvidia_drm(POE) kvm hci_uart snd_hwdep snd_seq nvidia_modeset(POE) btusb irqbypass btqca snd_seq_device intel_cstate dell_wmi libarc4 intel_uncore ledtrig_audio nvidia_uvm(POE) snd_pcm uvcvideo btrtl dell_smbios videobuf2_vmalloc btbcm dcdbas videobuf2_memops snd_timer videobuf2_v4l2 btintel snd pcspkr videobuf2_common hid_sensor_als dell_wmi_sysman hid_sensor_trigger firmware_attributes_class i2c_i801 iwlwifi dell_wmi_descriptor wmi_bmof hid_sensor_iio_common processor_thermal_device_pci_legacy bluetooth soundcore i2c_smbus videodev processor_thermal_device industrialio_triggered_buffer processor_thermal_rfim mei_me processor_thermal_mbox kfifo_buf processor_thermal_rapl mei cfg80211 joydev mc nvidia(POE) idma64 industrialio intel_rapl_common thunderbolt intel_pmt intel_soc_dts_iosf ecdh_generic int3403_thermal rfkill
 soc_button_array dptf_power int340x_thermal_zone intel_skl_int3472 intel_hid int3400_thermal acpi_pad acpi_tad acpi_thermal_rel sparse_keymap zram ip_tables dm_crypt typec_displayport hid_sensor_hub intel_ishtp_hid r8152 mii i915 hid_multitouch i2c_algo_bit ttm rtsx_pci_sdmmc nvme mmc_core drm_kms_helper nvme_core crct10dif_pclmul crc32_pclmul cec crc32c_intel intel_ish_ipc drm ghash_clmulni_intel rtsx_pci serio_raw ucsi_acpi intel_ishtp typec_ucsi vmd typec wmi i2c_hid_acpi i2c_hid video pinctrl_tigerlake ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000090