Backtrace

BUG: unable to handle page fault for address: 000001240000003c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 7 PID: 1585 Comm: bumblebeed Tainted: P           OE     5.12.8-300.fc34.x86_64 #1
Hardware name: Dell Inc. XPS 15 9560/05FFDN, BIOS 1.22.1 02/23/2021
RIP: 0010:bbswitch_proc_show+0x1d/0xc0 [bbswitch]
Code: 7e 08 00 00 48 83 c4 08 c3 0f 1f 40 00 0f 1f 44 00 00 55 48 89 fd 48 83 ec 08 48 8b 3d ec 33 00 00 48 8b 47 10 48 85 c0 74 21 <48> 8b 40 38 48 85 c0 74 18 48 8d b8 c8 00 00 00 be 04 00 00 00 e8
RSP: 0018:ffffaa6b40b4fde0 EFLAGS: 00010202
RAX: 0000012400000004 RBX: ffff912cc18545a0 RCX: 0000000000000001
RDX: 00000000ffffacd0 RSI: 0000000000000001 RDI: ffff912cc1af7000
RBP: ffff912cc18545a0 R08: 0000000000001000 R09: ffffffffffffacd0
R10: ffffaa6b40b4fee0 R11: 0000000000000000 R12: ffffaa6b40b4fe88
R13: ffffaa6b40b4fe60 R14: ffff912cc18545c8 R15: 0000000000000001
FS:  00007f08b5076740(0000) GS:ffff91341e5c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000001240000003c CR3: 0000000137ece004 CR4: 00000000003706e0
Call Trace:
 seq_read_iter+0x1c3/0x4c0
 seq_read+0xea/0x120
 proc_reg_read+0x55/0xa0
 ? vfs_read+0x74/0x1a0
 vfs_read+0xa7/0x1a0
 ksys_read+0x4f/0xc0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f08b523d2e2
Code: c0 e9 b2 fe ff ff 50 48 8d 3d ea 2e 0a 00 e8 95 e9 01 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
RSP: 002b:00007ffed9f1c578 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000d68 RCX: 00007f08b523d2e2
RDX: 000000000000000e RSI: 000055a7ec946560 RDI: 0000000000000004
RBP: 000055a7ec944600 R08: 0000000000000004 R09: 0000000000000001
R10: 0000000000001000 R11: 0000000000000246 R12: 000000000000000e
R13: 000000000000000e R14: 00007f08b5310700 R15: 0000000000000001
Modules linked in: nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 nft_chain_nat nf_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac tun bnep bbswitch(OE) sunrpc vfat fat uas usb_storage snd_hda_codec_hdmi uvcvideo btusb btrtl videobuf2_vmalloc videobuf2_memops btbcm videobuf2_v4l2 btintel videobuf2_common bluetooth snd_usb_audio videodev snd_usbmidi_lib snd_rawmidi mc ecdh_generic ecc snd_hda_codec_realtek snd_hda_codec_generic iwlmvm
 snd_hda_intel iTCO_wdt dell_laptop intel_pmc_bxt snd_intel_dspcfg ee1004 iTCO_vendor_support mei_hdcp mei_wdt ledtrig_audio dell_smm_hwmon intel_rapl_msr mac80211 snd_intel_sdw_acpi x86_pkg_temp_thermal intel_powerclamp libarc4 coretemp snd_hda_codec kvm_intel kvm snd_hda_core snd_hwdep iwlwifi snd_seq snd_seq_device snd_pcm irqbypass dell_wmi rapl dell_smbios snd_timer intel_cstate dcdbas i2c_i801 intel_uncore processor_thermal_device cfg80211 processor_thermal_rfim snd intel_wmi_thunderbolt dell_wmi_descriptor wmi_bmof processor_thermal_mbox i2c_smbus pcspkr soundcore mei_me processor_thermal_rapl intel_rapl_common rfkill joydev mei idma64 intel_pch_thermal intel_soc_dts_iosf intel_hid int3400_thermal int3403_thermal acpi_pad sparse_keymap int340x_thermal_zone acpi_thermal_rel ip_tables dm_crypt trusted r8152 mii i915 hid_multitouch crct10dif_pclmul rtsx_pci_sdmmc crc32_pclmul mmc_core crc32c_intel mxm_wmi i2c_algo_bit drm_kms_helper ghash_clmulni_intel cec nvme serio_raw
 drm nvme_core rtsx_pci i2c_hid_acpi i2c_hid wmi video fuse [last unloaded: nvidia_uvm]
CR2: 000001240000003c