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: 6 PID: 291420 Comm: kworker/6:3 Not tainted 5.13.4-200.fc34.x86_64 #1
Hardware name: Dell Inc. XPS 15 9560/05FFDN, BIOS 1.11.0 07/24/2018
Workqueue: usb_hub_wq hub_event
RIP: 0010:strcmp+0xc/0x20
Code: 06 49 89 f8 48 83 c6 01 48 83 c7 01 88 47 ff 84 c0 75 eb 4c 89 c0 c3 0f 1f 80 00 00 00 00 31 c0 eb 08 48 83 c0 01 84 d2 74 0f <0f> b6 14 07 3a 14 06 74 ef 19 c0 83 c8 01 c3 31 c0 c3 66 90 48 85
RSP: 0018:ffffa3b8c60bbd98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff90b807c8c9c0 RCX: ffff90b802d88188
RDX: 0000000000000001 RSI: ffffffffba66fe0a RDI: 0000000000000000
RBP: ffff90b807c8c9c0 R08: ffff90bb6edaa620 R09: ffff90b803facd2c
R10: 000000000000000b R11: 000000000000000b R12: ffff90bb6edaa600
R13: ffff90bb6edb4200 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff90bb6ed80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000015ce90006 CR4: 00000000003706e0
Call Trace:
 hub_event+0x6d/0x1770
 ? psi_task_switch+0xc5/0x240
 ? __switch_to_asm+0x42/0x70
 ? __switch_to+0x11b/0x460
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x127/0x150
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x22/0x30
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer xt_MASQUERADE xt_conntrack xt_CHECKSUM ipt_REJECT nf_nat_tftp nf_conntrack_tftp 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 ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter bnep sunrpc snd_hda_codec_hdmi btusb btrtl btbcm btintel uvcvideo bluetooth videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic ee1004 mei_wdt iTCO_wdt intel_pmc_bxt mei_hdcp iTCO_vendor_support intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp intel_rapl_msr coretemp ath10k_pci snd_hda_intel ath10k_core snd_intel_dspcfg
 snd_intel_sdw_acpi kvm_intel snd_hda_codec mac80211 kvm snd_hda_core snd_hwdep snd_seq snd_seq_device dell_laptop snd_pcm ledtrig_audio ath dell_smm_hwmon irqbypass rapl cfg80211 snd_timer intel_cstate dell_wmi dell_smbios intel_uncore processor_thermal_device dcdbas snd i2c_i801 processor_thermal_rfim intel_wmi_thunderbolt wmi_bmof dell_wmi_descriptor pcspkr processor_thermal_mbox mei_me rfkill i2c_smbus soundcore joydev libarc4 mei processor_thermal_rapl intel_rapl_common idma64 intel_pch_thermal intel_soc_dts_iosf intel_hid sparse_keymap int3403_thermal int3400_thermal int340x_thermal_zone acpi_pad acpi_thermal_rel binfmt_misc zram ip_tables i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit mxm_wmi drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec nvme ghash_clmulni_intel drm serio_raw nvme_core rtsx_pci hid_multitouch i2c_hid_acpi i2c_hid wmi video fuse
CR2: 0000000000000000