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: 0000 [#1] SMP PTI
CPU: 3 PID: 289080 Comm: kworker/3:2 Not tainted 5.8.18-100.fc31.x86_64 #1
Hardware name: LENOVO 20L8S2N800/20L8S2N800, BIOS N22ET57W (1.34 ) 09/02/2019
Workqueue: usb_hub_wq hub_event
RIP: 0010:hub_event+0x64/0x15c0
Code: 30 48 89 44 24 18 0f 1f 44 00 00 49 8b 45 48 48 8b 00 48 8b 70 50 48 85 f6 75 03 48 8b 30 48 c7 c7 dc d0 46 96 b9 0d 00 00 00 <f3> a6 0f 97 c0 1c 00 84 c0 0f 84 e0 05 00 00 49 8d 85 20 01 00 00
RSP: 0000:ffff9b5b62acbda0 EFLAGS: 00010246
RAX: ffff8f6827def0b0 RBX: 0000000000000000 RCX: 000000000000000d
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff9646d0dc
RBP: ffff8f661c8d6dc0 R08: ffff8f68ce4e9c60 R09: 8080808080808080
R10: ffff8f68273ee074 R11: 0000000000000018 R12: ffff8f68ce4e9c40
R13: ffff8f68c1d15000 R14: ffff8f68273ee000 R15: ffff8f661c8d6dc0
FS:  0000000000000000(0000) GS:ffff8f68ce4c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000318a0a001 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
pci_bus 0000:06: Allocating resources
Call Trace:
 ? sched_clock_cpu+0xc/0xa0
 ? newidle_balance+0x1c3/0x390
 ? cpumask_next+0x17/0x20
 ? __switch_to+0x80/0x420
pci_bus 0000:3c: Allocating resources
 ? __switch_to_asm+0x36/0x70
 process_one_work+0x1b4/0x370
 worker_thread+0x50/0x3b0
 ? process_one_work+0x370/0x370
 kthread+0xfe/0x140
 ? kthread_park+0x90/0x90
 ret_from_fork+0x22/0x30
Modules linked in: veth nf_conntrack_netlink xt_addrtype br_netfilter overlay uinput snd_usb_audio cdc_ether usbnet snd_usbmidi_lib r8152 snd_rawmidi mii rfcomm ccm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat squashfs loop btusb btrtl uvcvideo btbcm btintel videobuf2_vmalloc videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_common videodev mc ecdh_generic ecc elan_i2c snd_soc_skl snd_soc_sst_ipc snd_hda_codec_hdmi snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi x86_pkg_temp_thermal
 intel_powerclamp snd_hda_codec_realtek coretemp snd_soc_core snd_hda_codec_generic iwlmvm kvm_intel snd_compress ac97_bus snd_pcm_dmaengine iTCO_wdt intel_pmc_bxt ee1004 iTCO_vendor_support mei_wdt mei_hdcp snd_hda_intel intel_rapl_msr snd_intel_dspcfg kvm mac80211 snd_hda_codec irqbypass snd_hda_core rapl libarc4 intel_cstate snd_hwdep intel_uncore snd_seq iwlwifi snd_seq_device joydev snd_pcm wmi_bmof intel_wmi_thunderbolt cfg80211 snd_timer i2c_i801 i2c_smbus thinkpad_acpi mei_me thunderbolt idma64 ledtrig_audio processor_thermal_device snd mei intel_rapl_common ucsi_acpi intel_xhci_usb_role_switch typec_ucsi roles intel_pch_thermal soundcore intel_soc_dts_iosf typec rfkill int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad ip_tables i915 i2c_algo_bit drm_kms_helper cec e1000e crct10dif_pclmul nvme crc32_pclmul crc32c_intel serio_raw drm ghash_clmulni_intel uas nvme_core usb_storage wmi video fuse
CR2: 0000000000000000