Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000020
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 2 PID: 13084 Comm: kworker/2:2 Not tainted 6.8.5-301.fc40.x86_64 #1
Hardware name: TOSHIBA SATELLITE L850-1R6/PLCSF8, BIOS 6.20 10/24/2012
Workqueue: usb_hub_wq hub_event
RIP: 0010:xhci_reserve_bandwidth+0x28e/0x650
Code: 8b 48 10 44 8b 40 14 4c 89 ef 48 c7 c2 18 a5 bb ad 48 c7 c6 80 fa c3 ac e8 0f 48 01 00 48 8b 3c 24 8b 74 24 20 31 d2 8d 46 ff <8b> 4f 20 44 8b 77 08 41 89 c3 03 07 f7 f6 ba 80 00 00 00 85 c9 75
RSP: 0018:ffffab14087f3920 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff891608f9d000 RCX: ffffab14087f38d0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8916ae1b2000 R08: ffff8916ae1b2020 R09: 0000000000000000
R10: ffff8916463b6260 R11: 00000000000000aa R12: ffffab14087f3960
R13: ffff891608f6a260 R14: 000000000000001f R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff891746c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000020 CR3: 0000000163422005 CR4: 00000000001706f0
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x174/0x530
 ? exc_page_fault+0x7f/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? xhci_reserve_bandwidth+0x28e/0x650
 xhci_configure_endpoint+0x99/0x710
 xhci_endpoint_reset+0x359/0x630
 ? hub_port_init+0x37d/0xf60
 usb_enable_endpoint+0x7d/0x80
 hub_event+0x148e/0x1cd0
 ? __mutex_unlock_slowpath.isra.0+0x8a/0x140
 process_one_work+0x170/0x330
 worker_thread+0x273/0x3c0
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xe8/0x120
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x34/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1b/0x30
 </TASK>
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer bnep 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables qrtr intel_rapl_msr intel_rapl_common sunrpc x86_pkg_temp_thermal intel_powerclamp ath9k coretemp kvm_intel ath9k_common ath9k_hw kvm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi mac80211 snd_hda_intel uvcvideo snd_intel_dspcfg at24 mei_hdcp mei_pxp irqbypass ath3k snd_intel_sdw_acpi uvc iTCO_wdt rapl intel_pmc_bxt iTCO_vendor_support snd_hda_codec btusb videobuf2_vmalloc binfmt_misc snd_hda_core videobuf2_memops libarc4 btrtl videobuf2_v4l2 snd_hwdep ath intel_cstate snd_seq i2c_i801 snd_seq_device intel_uncore toshiba_wmi wmi_bmof videobuf2_common i2c_smbus btintel btbcm vfat cfg80211 pcspkr btmtk snd_pcm videodev bluetooth toshiba_acpi fat mc snd_timer sparse_keymap snd industrialio
 toshiba_bluetooth mei_me soundcore lpc_ich mei rfkill pktcdvd joydev loop nfnetlink zram amdgpu amdxcp drm_exec gpu_sched drm_buddy radeon crct10dif_pclmul crc32_pclmul crc32c_intel ums_realtek polyval_clmulni polyval_generic uas usb_storage ghash_clmulni_intel sha512_ssse3 sha256_ssse3 drm_ttm_helper sha1_ssse3 ttm r8169 i2c_algo_bit drm_suballoc_helper drm_display_helper realtek cec video wmi serio_raw ip6_tables ip_tables fuse
CR2: 0000000000000020