stack segment: 0000 [#1] SMP NOPTI
CPU: 4 PID: 30882 Comm: kworker/u17:1 Not tainted 5.6.15-300.fc32.x86_64 #1
Hardware name: LENOVO 20N20009FR/20N20009FR, BIOS N2IET88W (1.66 ) 04/22/2020
Workqueue: hci0 bg_scan_update [bluetooth]
RIP: 0010:kfree+0x54/0x200
Code: 80 48 01 dd 0f 82 bf 01 00 00 48 c7 c0 00 00 00 80 48 2b 05 86 91 15 01 48 01 c5 48 c1 ed 0c 48 c1 e5 06 48 03 2d 64 91 15 01 <48> 8b 45 08 48 8d 50 ff a8 01 48 0f 45 ea 48 8b 55 08 48 8d 42 ff
RSP: 0018:ffffb9c601cebd88 EFLAGS: 00010207
RAX: 0000739300000000 RBX: 1603001853160400 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 1603001853160400
RBP: 005809b32f4c5800 R08: ffffb9c601cebe77 R09: ffff8c6e7e625bac
R10: 0000000000000018 R11: 0000000000000018 R12: ffffffffc0f6f9fd
R13: 00000000000007d0 R14: 0000000000000000 R15: ffff8c6edd2cc898
FS:  0000000000000000(0000) GS:ffff8c6f06700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005559e11e80a8 CR3: 000000018f60a006 CR4: 00000000003606e0
Call Trace:
 ? __hci_update_background_scan+0x1c0/0x1c0 [bluetooth]
 __hci_update_background_scan+0x8d/0x1c0 [bluetooth]
 update_bg_scan+0x1d/0x30 [bluetooth]
 __hci_req_sync+0x60/0x270 [bluetooth]
 bg_scan_update+0x4c/0xc0 [bluetooth]
 process_one_work+0x1b4/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x115/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x1f/0x40
Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache snd_seq_dummy snd_hrtimer rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun ccm 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 nf_tables_set nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat mei_hdcp iTCO_wdt iTCO_vendor_support intel_rapl_msr x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass intel_cstate intel_uncore intel_rapl_perf joydev btusb btrtl btbcm btintel iwlmvm bluetooth snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc wmi_bmof snd_sof_intel_hda_common uvcvideo
 snd_soc_hdac_hda videobuf2_vmalloc videobuf2_memops snd_sof_xtensa_dsp videobuf2_v4l2 snd_sof_intel_hda videobuf2_common snd_sof pcspkr mac80211 videodev snd_hda_codec_hdmi snd_soc_skl ecdh_generic snd_soc_sst_ipc mc thunderbolt intel_wmi_thunderbolt snd_soc_sst_dsp ecc snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_realtek snd_soc_core snd_hda_codec_generic snd_compress libarc4 ac97_bus snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg snd_hda_codec iwlwifi snd_hda_core snd_hwdep snd_seq cfg80211 snd_seq_device snd_pcm idma64 mei_me snd_timer i2c_i801 mei processor_thermal_device intel_rapl_common intel_pch_thermal intel_soc_dts_iosf thinkpad_acpi ledtrig_audio snd soundcore int3403_thermal rfkill int340x_thermal_zone ucsi_acpi typec_ucsi typec int3400_thermal acpi_pad acpi_thermal_rel ip_tables dm_crypt i915 rtsx_pci_sdmmc crct10dif_pclmul mmc_core i2c_algo_bit crc32_pclmul cec crc32c_intel drm_kms_helper drm e1000e nvme ghash_clmulni_intel nvme_core
 rtsx_pci serio_raw wmi video pinctrl_cannonlake pinctrl_intel br_netfilter bridge stp llc fuse