Backtrace

list_del corruption, ffff927b89887000->prev is LIST_POISON2 (dead000000000122)
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kernel BUG at lib/list_debug.c:56!
fbcon: Taking over console
invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 3 PID: 715 Comm: kworker/u9:1 Tainted: G          I        6.0.10-100.fc35.x86_64 #1
Hardware name: Dell Inc. Inspiron 7560/09WC1G, BIOS 1.14.1 12/18/2020
Workqueue: hci0 hci_cmd_sync_work [bluetooth]
RIP: 0010:__list_del_entry_valid.cold+0x4b/0x6f
Code: fd ff 0f 0b 48 89 f2 48 89 fe 48 c7 c7 68 9d 7a a6 e8 9a e1 fd ff 0f 0b 48 89 fe 48 89 ca 48 c7 c7 30 9d 7a a6 e8 86 e1 fd ff <0f> 0b 48 89 fe 48 c7 c7 f8 9c 7a a6 e8 75 e1 fd ff 0f 0b 48 89 fe
RSP: 0018:ffffafe880687da8 EFLAGS: 00010286
RAX: 000000000000004e RBX: ffff927b89887000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffffa678eff2 RDI: 00000000ffffffff
RBP: ffff927b882ec000 R08: 0000000000000000 R09: 00000000ffffdfff
R10: ffffafe880687c68 R11: ffffffffa71462e8 R12: ffff927b882ec010
R13: ffff927b882eca80 R14: ffff927c3c32c680 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff927eed380000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67b01bc000 CR3: 00000001f1010001 CR4: 00000000003706e0
Call Trace:
 <TASK>
 hci_conn_cleanup+0x43/0x1d0 [bluetooth]
 hci_conn_del+0xe5/0x200 [bluetooth]
 hci_abort_conn_sync+0x95/0x230 [bluetooth]
 hci_set_powered_sync+0xac/0x250 [bluetooth]
 ? x86_pmu_prepare_cpu+0x46/0x50
 hci_cmd_sync_work+0xb8/0x160 [bluetooth]
 process_one_work+0x1e2/0x3b0
 worker_thread+0x50/0x3a0
 ? rescuer_thread+0x370/0x370
 kthread+0xe5/0x110
 ? kthread_complete_and_exit+0x20/0x20
 ret_from_fork+0x1f/0x30
 </TASK>
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr bnep sunrpc vfat fat squashfs loop snd_soc_avs iTCO_wdt snd_hda_codec_hdmi snd_soc_hda_codec ee1004 intel_pmc_bxt intel_tcc_cooling x86_pkg_temp_thermal mei_hdcp mei_pxp snd_soc_skl iTCO_vendor_support snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_ctl_led intel_powerclamp intel_rapl_msr snd_soc_sst_dsp snd_soc_acpi_intel_match coretemp snd_soc_acpi snd_hda_codec_realtek kvm_intel snd_soc_core snd_hda_codec_generic dell_laptop ath10k_pci snd_compress kvm ac97_bus snd_pcm_dmaengine ath10k_core dell_smm_hwmon snd_hda_intel irqbypass snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec rapl intel_cstate mac80211 intel_uncore snd_hda_core dell_wmi snd_hwdep pcspkr
 snd_seq rtsx_usb_ms dell_smbios snd_seq_device dcdbas btusb memstick snd_pcm wmi_bmof uvcvideo ledtrig_audio sparse_keymap btrtl dell_wmi_descriptor btbcm videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 libarc4 snd_timer btintel ath snd videobuf2_common btmtk i2c_i801 i2c_smbus soundcore processor_thermal_device_pci_legacy cfg80211 bluetooth videodev processor_thermal_device processor_thermal_rfim mc processor_thermal_mbox mei_me processor_thermal_rapl joydev idma64 intel_rapl_common mei intel_xhci_usb_role_switch intel_pch_thermal intel_soc_dts_iosf int3403_thermal acpi_pad dell_rbtn rfkill int3400_thermal int3402_thermal int340x_thermal_zone acpi_thermal_rel zram ip_tables i915 nouveau drm_ttm_helper i2c_algo_bit drm_buddy drm_display_helper rtsx_usb_sdmmc drm_kms_helper mmc_core crct10dif_pclmul cec crc32_pclmul crc32c_intel hid_multitouch polyval_clmulni mxm_wmi polyval_generic ttm ghash_clmulni_intel r8169 serio_raw drm rtsx_usb i2c_hid_acpi i2c_hid video wmi
 pinctrl_sunrisepoint ipmi_devintf ipmi_msghandler fuse