Backtrace

BUG: kernel NULL pointer dereference, address: 00000000000000c0
#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: 0 PID: 2087 Comm: runc Tainted: P           OE     5.16.8-200.fc35.x86_64 #1
Hardware name: Dell Inc. Dell G15 5511/0K570X, BIOS 1.10.1 01/14/2022
RIP: 0010:css_visible.isra.0+0x5/0xc0
Code: c6 7d 97 5e b5 48 c1 ea 03 83 e2 01 e8 54 9a 1e 00 31 c0 5b 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 0f 1f 44 00 00 <4c> 8b 87 c0 00 00 00 44 8b 8e 94 00 00 00 48 89 f2 4c 8b 97 e0 01
RSP: 0018:ffffa63705a23d68 EFLAGS: 00010246
RAX: 000000000000091b RBX: ffff90ffe9910000 RCX: ffff90ffc9f95000
RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000003 R08: ffff90ffc9f95000 R09: 0000000000000004
R10: ffffffffb5fa9b40 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffffb5fc7ae0 R14: ffff90ffc88fa100 R15: ffffffffb5fab6c0
FS:  00007f70c9217640(0000) GS:ffff91071f800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000000c0 CR3: 00000001745fc003 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
 <TASK>
 cgroup_apply_control_enable+0x8f/0x2f0
 cgroup_subtree_control_write+0x2f6/0x400
 kernfs_fop_write_iter+0x119/0x1b0
 new_sync_write+0x108/0x180
 vfs_write+0x209/0x2a0
 ksys_write+0x4f/0xc0
 do_syscall_64+0x38/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x55b3b17861bb
Code: fa ff eb bf e8 a6 de fa ff e9 61 ff ff ff cc e8 bb ae fa ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
RSP: 002b:000000c000243d68 EFLAGS: 00000216 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000c000037800 RCX: 000055b3b17861bb
RDX: 000000000000002d RSI: 000000c00031a300 RDI: 000000000000000e
RBP: 000000c000243db8 R08: 000000000000002d R09: 0000000000000004
R10: 0000000000000030 R11: 0000000000000216 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000011 R15: ffffffffffffffff
 </TASK>
Modules linked in: xt_nat veth 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_ctl_led snd_soc_skl_hda_dsp snd_soc_intel_hda_dsp_common snd_soc_hdac_hdmi snd_hda_codec_realtek snd_hda_codec_generic 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 snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi soundwire_bus snd_soc_core snd_compress ac97_bus snd_hda_codec_hdmi snd_pcm_dmaengine mei_hdcp mei_pxp iTCO_wdt intel_pmc_bxt iTCO_vendor_support pmt_telemetry
 intel_rapl_msr pmt_class dell_laptop intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp iwlmvm kvm_intel mac80211 kvm snd_hda_intel irqbypass snd_intel_dspcfg intel_cstate snd_intel_sdw_acpi libarc4 nvidia_drm(POE) intel_uncore btusb snd_hda_codec nvidia_modeset(POE) btrtl dell_wmi pcspkr snd_hda_core nvidia_uvm(POE) ledtrig_audio uvcvideo alienware_wmi btbcm iwlwifi snd_hwdep videobuf2_vmalloc dell_smbios videobuf2_memops btintel snd_seq dcdbas videobuf2_v4l2 dell_wmi_sysman firmware_attributes_class videobuf2_common bluetooth dell_wmi_descriptor snd_seq_device i2c_i801 wmi_bmof cfg80211 nvidia_wmi_ec_backlight i2c_smbus videodev mei_me snd_pcm mei processor_thermal_device_pci_legacy ecdh_generic processor_thermal_device joydev nvidia(POE) mc rfkill snd_timer processor_thermal_rfim idma64 snd processor_thermal_mbox processor_thermal_rapl soundcore intel_rapl_common intel_pmt intel_soc_dts_iosf int3403_thermal soc_button_array int340x_thermal_zone intel_hid
 int3400_thermal sparse_keymap acpi_thermal_rel acpi_pad acpi_tad zram ip_tables dm_crypt i915 hid_multitouch i2c_algo_bit ttm drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel nvme drm ghash_clmulni_intel r8169 nvme_core serio_raw ucsi_acpi typec_ucsi typec i2c_hid_acpi i2c_hid video wmi pinctrl_tigerlake ipmi_devintf ipmi_msghandler fuse
CR2: 00000000000000c0