Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000070
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 0 PID: 111 Comm: kworker/u17:0 Tainted: G     U             6.7.11-200.fc39.x86_64 #1
Hardware name: LENOVO 23256CG/23256CG, BIOS G2ETA1WW (2.61 ) 04/22/2014
Workqueue: hci0 hci_power_on [bluetooth]
RIP: 0010:btbcm_initialize+0xa2/0x590 [btbcm]
Code: 41 5f c3 cc cc cc cc 31 c9 31 d2 41 b8 10 27 00 00 be 01 10 00 00 48 89 df e8 9a 69 f5 ff 48 3d 00 f0 ff ff 0f 87 3b 04 00 00 <83> 78 70 09 74 38 48 c7 c6 00 f1 1c c1 48 85 db 74 04 48 8b 73 40
RSP: 0018:ffffbecc804dfd48 EFLAGS: 00010207
RAX: 0000000000000000 RBX: ffff968f0363a000 RCX: ffff968f0363ab08
RDX: 0000000000000000 RSI: 0000000000000202 RDI: ffff968f0363ab00
RBP: 0000000000000000 R08: ffff968f0363ab08 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000100 R12: ffffbecc804dfdbf
R13: ffff968f07fa6000 R14: 0000000000000000 R15: ffff968f0363a6d0
FS:  0000000000000000(0000) GS:ffff96920e200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000070 CR3: 0000000401422004 CR4: 00000000001706f0
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x171/0x4e0
 ? exc_page_fault+0x7f/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? btbcm_initialize+0xa2/0x590 [btbcm]
 ? btbcm_initialize+0x96/0x590 [btbcm]
 btbcm_finalize+0x1a/0x40 [btbcm]
 btbcm_setup_patchram+0x45/0xd90 [btbcm]
 hci_dev_open_sync+0x102/0xba0 [bluetooth]
 hci_dev_do_open+0x23/0x60 [bluetooth]
 hci_power_on+0x51/0x260 [bluetooth]
 ? _raw_spin_unlock_irq+0x15/0x30
 process_one_work+0x17c/0x350
 worker_thread+0x27b/0x3a0
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xe5/0x120
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x31/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1b/0x30
 </TASK>
Modules linked in: binfmt_misc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi kvm_intel iTCO_wdt vfat mei_wdt mei_pxp mei_hdcp fat btusb kvm intel_pmc_bxt iTCO_vendor_support snd_ctl_led snd_hda_codec_realtek at24 snd_hda_codec_generic btrtl btintel btbcm irqbypass btmtk rapl snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi iwldvm intel_cstate intel_uncore snd_hda_codec bluetooth mac80211 uvcvideo uvc videobuf2_vmalloc snd_hda_core libarc4 videobuf2_memops snd_hwdep snd_seq videobuf2_v4l2 think_lmi firmware_attributes_class pcspkr snd_seq_device videobuf2_common snd_pcm videodev wmi_bmof iwlwifi thinkpad_acpi i2c_i801 ledtrig_audio snd_timer mc cfg80211 platform_profile i2c_smbus joydev mei_me snd lpc_ich mei rfkill soundcore tcp_bbr loop zram i915 sdhci_pci crct10dif_pclmul cqhci hid_logitech_hidpp i2c_algo_bit crc32_pclmul sdhci drm_buddy crc32c_intel polyval_clmulni ttm polyval_generic ghash_clmulni_intel e1000e mmc_core sha512_ssse3
 drm_display_helper sha256_ssse3 sha1_ssse3 cec video wmi serio_raw hid_logitech_dj scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath ledtrig_timer fuse i2c_dev
CR2: 0000000000000070