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 [#3] PREEMPT SMP NOPTI
CPU: 8 PID: 8438 Comm: kworker/8:5 Tainted: G      D            6.2.14-300.fc38.x86_64 #1
Hardware name: Dell Inc. Precision 5540/03G9D9, BIOS 1.21.0 03/13/2023
Workqueue: usb_hub_wq hub_event
RIP: 0010:strcmp+0xc/0x30
Code: 01 45 84 c0 75 ee c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 31 c0 eb 08 48 83 c0 01 84 d2 74 13 <0f> b6 14 07 3a 14 06 74 ef 19 c0 83 c8 01 c3 cc cc cc cc 31 c0 c3
RSP: 0018:ffffb9d98267fd88 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff9379c8d859c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffffac93ae67 RDI: 0000000000000000
RBP: ffff9379c8d87c00 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000b R11: fefefefefefefeff R12: ffff93811c63bb00
R13: ffff9379c8d87c30 R14: ffff937a613c2900 R15: ffff9379c8d859c0
FS:  0000000000000000(0000) GS:ffff93811c600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000178174006 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hub_event+0x8e/0x1cd0
 ? check_preempt_curr+0x5a/0x70
 ? _raw_spin_unlock_irqrestore+0x23/0x40
 ? preempt_count_add+0x6a/0xa0
 ? _raw_spin_lock_irqsave+0x23/0x50
 process_one_work+0x1c4/0x3d0
 worker_thread+0x4d/0x380
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xe6/0x110
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x29/0x50
 </TASK>
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer veth xt_nat xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype nft_compat br_netfilter bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib snd_usb_audio nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct snd_usbmidi_lib nft_chain_nat nf_nat snd_rawmidi nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tg3 ip_set nf_tables nfnetlink qrtr bnep snd_sof_pci_intel_cnl 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_sof_utils soundwire_bus sunrpc snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp uvcvideo snd_soc_acpi_intel_match snd_soc_acpi binfmt_misc snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 vfat snd_compress fat ac97_bus snd_hda_codec_hdmi snd_pcm_dmaengine snd_ctl_led snd_hda_codec_realtek
 snd_hda_codec_generic videobuf2_common snd_hda_intel snd_intel_dspcfg intel_tcc_cooling snd_intel_sdw_acpi videodev snd_hda_codec x86_pkg_temp_thermal snd_hda_core iwlmvm intel_powerclamp coretemp kvm_intel mac80211 btusb mc snd_hwdep btrtl libarc4 snd_seq snd_seq_device snd_pcm iwlwifi btbcm snd_timer kvm btintel processor_thermal_device_pci_legacy dell_rbtn btmtk snd processor_thermal_device processor_thermal_rfim intel_rapl_msr dell_laptop bluetooth processor_thermal_mbox iTCO_wdt soundcore processor_thermal_rapl intel_pmc_bxt intel_rapl_common wmi_bmof iTCO_vendor_support dell_smm_hwmon irqbypass mei_wdt dell_wmi rapl mei_hdcp mei_pxp intel_cstate dell_smo8800 cfg80211 ee1004 intel_uncore dell_smbios dcdbas intel_hid rfkill pcspkr dell_wmi_sysman dell_wmi_descriptor firmware_attributes_class intel_wmi_thunderbolt ledtrig_audio thunderbolt int3400_thermal intel_soc_dts_iosf int3403_thermal intel_pch_thermal acpi_thermal_rel mei_me int340x_thermal_zone mei i2c_i801
 i2c_smbus sparse_keymap joydev acpi_pad idma64 loop zram dm_crypt typec_displayport i915 nouveau rtsx_pci_sdmmc drm_buddy drm_ttm_helper drm_display_helper mmc_core crct10dif_pclmul crc32_pclmul cec ucsi_acpi crc32c_intel hid_multitouch typec_ucsi polyval_clmulni polyval_generic mxm_wmi ghash_clmulni_intel rtsx_pci i2c_hid_acpi typec ttm sha512_ssse3 i2c_hid video wmi pinctrl_cannonlake serio_raw ip6_tables ip_tables fuse
CR2: 0000000000000000