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 
RIP: 0010:hub_event+0x6d/0x1800
Code: 24 30 0f 1f 44 00 00 48 8b 04 24 48 8b 40 48 48 8b 00 48 8b 70 50 48 85 f6 75 03 48 8b 30 48 c7 c7 73 10 43 aa b9 0d 00 00 00 <f3> a6 0f 97 c0 1c 00 84 c0 75 0e 48 8b 04 24 83 78 18 07 0f 84 02
RSP: 0018:ffffb01e40507db8 EFLAGS: 00010246
RAX: ffff9dff8b7a20b0 RBX: 0000000000000000 RCX: 000000000000000d
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffaa431073
RBP: ffff9dffd4ce19c0 R08: ffff9dffdc4a9d20 R09: ffff9dffd0fad5b4
R10: 0000000000000018 R11: 0000000000000018 R12: ffff9dffdc4a9d00
R13: ffff9dffdc4b2d00 R14: ffff9dffd0fad540 R15: ffff9dffd4ce19c0
FS:  0000000000000000(0000) GS:ffff9dffdc480000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000078fa0e002 CR4: 00000000003706e0
Oops: 0000 [#2] SMP PTI
CPU: 0 PID: 301 Comm: kworker/0:2 Tainted: G      D W         5.9.12-100.fc32.x86_64 #1
Hardware name: Dell Inc. XPS 15 7590/0VYV0G, BIOS 1.3.3 09/25/2019
Workqueue: usb_hub_wq hub_event
RIP: 0010:hub_event+0x6d/0x1800
Code: 24 30 0f 1f 44 00 00 48 8b 04 24 48 8b 40 48 48 8b 00 48 8b 70 50 48 85 f6 75 03 48 8b 30 48 c7 c7 73 10 43 aa b9 0d 00 00 00 <f3> a6 0f 97 c0 1c 00 84 c0 75 0e 48 8b 04 24 83 78 18 07 0f 84 02
RSP: 0018:ffffb01e4142bdb8 EFLAGS: 00010246
RAX: ffff9dff8b7a20b0 RBX: 0000000000000000 RCX: 000000000000000d
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffaa431073
RBP: ffff9dffd4ce41c0 R08: ffff9dffdc429d20 R09: ffff9dffd0b39674
R10: 0000000000000018 R11: 0000000000000018 R12: ffff9dffdc429d00
R13: ffff9dffdc432d00 R14: ffff9dffd0b39600 R15: ffff9dffd4ce41c0
FS:  0000000000000000(0000) GS:ffff9dffdc400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000078fa0e002 CR4: 00000000003706f0
Call Trace:
 ? dequeue_entity+0xa4/0x420
 ? newidle_balance+0x242/0x390
 ? cpumask_next+0x17/0x20
 ? __switch_to+0x118/0x470
 ? __switch_to_asm+0x36/0x70
 process_one_work+0x1b4/0x370
 worker_thread+0x53/0x3e0
 ? process_one_work+0x370/0x370
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30
Modules linked in: nf_conntrack_netlink xt_addrtype br_netfilter xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat overlay iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter tun bridge stp llc ccm typec_displayport cmac bnep sunrpc vfat fat snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_soc_skl snd_soc_sst_ipc x86_pkg_temp_thermal snd_soc_sst_dsp intel_powerclamp snd_hda_codec_hdmi snd_hda_ext_core coretemp snd_soc_acpi_intel_match snd_soc_acpi kvm_intel iwlmvm snd_soc_core iTCO_wdt intel_pmc_bxt ee1004 iTCO_vendor_support snd_compress snd_hda_codec_realtek mac80211 mei_hdcp mei_wdt kvm ac97_bus intel_rapl_msr dell_laptop snd_hda_codec_generic snd_pcm_dmaengine ledtrig_audio libarc4 irqbypass dell_smm_hwmon snd_hda_intel rapl dell_wmi snd_intel_dspcfg
 intel_cstate iwlwifi dell_smbios intel_uncore snd_hda_codec dcdbas i2c_i801 intel_wmi_thunderbolt wmi_bmof dell_wmi_descriptor cfg80211 snd_hda_core pcspkr i2c_smbus snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq btusb btrtl snd_seq_device btbcm btintel snd_pcm bluetooth snd_timer snd soundcore uvcvideo thunderbolt videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common ecdh_generic rfkill videodev ecc cdc_acm mc joydev mei_me idma64 mei processor_thermal_device intel_rapl_common intel_soc_dts_iosf intel_pch_thermal ucsi_acpi typec_ucsi typec int3403_thermal int340x_thermal_zone dell_smo8800 intel_hid sparse_keymap int3400_thermal acpi_pad acpi_thermal_rel ip_tables hid_logitech_hidpp i915 nouveau hid_multitouch rtsx_pci_sdmmc mmc_core ttm nvme drm_kms_helper crct10dif_pclmul crc32_pclmul mxm_wmi nvme_core crc32c_intel cec serio_raw igb rtsx_pci ghash_clmulni_intel drm uas dca usb_storage i2c_algo_bit hid_logitech_dj i2c_hid pinctrl_cannonlake video wmi
 pinctrl_intel fuse
CR2: 0000000000000000