Description of problem: System froze during run of kernel-tests Additional info: reporter: libreport-2.17.11 BUG: kernel NULL pointer dereference, address: 00000000000007ba #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: 7953 Comm: kworker/6:13 Not tainted 6.3.12-200.fc38.x86_64 #1 Hardware name: LENOVO 82L7/LNVNB161216, BIOS GECN33WW(V1.17) 01/16/2023 Workqueue: cgroup_destroy css_free_rwork_fn RIP: 0010:remove_entity_load_avg+0xc/0x70 Code: ce e9 6d ff ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 41 54 55 48 89 fd 53 <48> 8b 5f 78 48 89 ee 48 8b bb 80 00 00 00 4c 8d a3 c0 00 00 00 e8 RSP: 0018:ffffbaa4cde5bdf0 EFLAGS: 00010206 RAX: ffff93d14a7db980 RBX: 0000000000000003 RCX: 0000000000000003 RDX: 0000000000000003 RSI: 0000000000000003 RDI: 0000000000000742 RBP: 0000000000000742 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000000f R11: fefefefefefefeff R12: 0000000000033ac0 R13: 0000000000000003 R14: ffff93d14a59f480 R15: ffff93d14a59f510 FS: 0000000000000000(0000) GS:ffff93d3dff80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000007ba CR3: 000000014a022000 CR4: 0000000000750ee0 PKRU: 55555554 Call Trace: <TASK> ? __die+0x23/0x70 ? page_fault_oops+0x171/0x4e0 ? __switch_to_asm+0x3e/0x80 ? finish_task_switch.isra.0+0x94/0x2f0 ? select_task_rq_fair+0x320/0x1930 ? exc_page_fault+0x7c/0x180 ? asm_exc_page_fault+0x26/0x30 ? remove_entity_load_avg+0xc/0x70 unregister_fair_sched_group+0xdc/0x1f0 cpu_cgroup_css_free+0x12/0x30 css_free_rwork_fn+0x4e/0x3e0 process_one_work+0x1c7/0x3d0 worker_thread+0x51/0x390 ? __pfx_worker_thread+0x10/0x10 kthread+0xde/0x110 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2c/0x50 </TASK> Modules linked in: nf_conntrack_netlink nfnetlink xt_addrtype br_netfilter uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat bridge stp llc ppdev parport_pc parport vmw_vsock_vmci_transport vsock vmw_vmci overlay qrtr xt_hl ip6table_filter xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_limit bnep iptable_filter sunrpc binfmt_misc iwlmvm vfat fat snd_ctl_led mac80211 snd_soc_dmic snd_acp3x_rn snd_acp3x_pdm_dma snd_sof_amd_rembrandt snd_sof_amd_renoir snd_sof_amd_acp snd_hda_codec_realtek snd_sof_pci libarc4 snd_hda_codec_generic snd_sof_xtensa_dsp intel_rapl_msr snd_hda_codec_hdmi ledtrig_audio intel_rapl_common snd_sof iwlwifi snd_hda_intel snd_sof_utils edac_mce_amd btusb snd_intel_dspcfg btrtl snd_intel_sdw_acpi snd_soc_core uvcvideo btbcm btintel snd_hda_codec kvm_amd uvc videobuf2_vmalloc snd_compress videobuf2_memops ac97_bus videobuf2_v4l2 btmtk snd_pcm_dmaengine snd_hda_core videobuf2_common snd_pci_ps snd_hwdep snd_rpl_pci_acp6x kvm snd_seq snd_pci_acp6x cfg80211 videodev snd_seq_device snd_pci_acp5x bluetooth snd_pcm irqbypass ideapad_laptop snd_timer snd_rn_pci_acp3x snd_acp_config sparse_keymap platform_profile mc rapl snd_soc_acpi pcspkr wmi_bmof snd_pci_acp3x i2c_piix4 k10temp snd rfkill soundcore amd_pmc acpi_cpufreq joydev loop zram dm_crypt amdgpu i2c_algo_bit drm_ttm_helper ttm nvme iommu_v2 rtsx_pci_sdmmc drm_buddy gpu_sched mmc_core nvme_core drm_display_helper video ucsi_acpi hid_sensor_hub crct10dif_pclmul crc32_pclmul crc32c_intel hid_multitouch polyval_clmulni polyval_generic ghash_clmulni_intel typec_ucsi sha512_ssse3 ccp rtsx_pci cec typec sp5100_tco nvme_common wmi i2c_hid_acpi i2c_hid serio_raw scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse CR2: 00000000000007ba