Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000060
#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: 0 PID: 4064 Comm: fwupd Tainted: G        W          6.0.12-200.fc36.x86_64 #1
Hardware name: Dell Inc. Precision Tower 3431/01TN68, BIOS 1.4.0 06/14/2020
RIP: 0010:current_value_show+0x74/0xe0 [dell_wmi_sysman]
Code: 06 00 00 e8 ce ef 3a d2 85 c0 75 da 85 db 78 43 89 df 48 c7 c6 b0 82 3c c0 e8 68 f9 ff ff 48 89 c3 48 85 c0 74 3f 48 8b 40 08 <83> 78 60 02 75 4e 48 8b 48 68 4c 89 ff be 00 10 00 00 48 c7 c2 d2
RSP: 0018:ffff9b39053d7ce8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff895c746ef360 RCX: 00000000122a2000
RDX: 0000000000000000 RSI: ec45858d8d6ecc12 RDI: 00000000000360c0
RBP: 0000000000000003 R08: ffff895b467cf240 R09: 0000000000000020
R10: 0000000000000000 R11: 000000000000005f R12: 0000000000000068
R13: ffff895b4cc1a480 R14: ffff895b46b00000 R15: ffff895bc019c000
FS:  00007f21093ccb00(0000) GS:ffff895eac400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000060 CR3: 000000016cff0003 CR4: 00000000003706f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sysfs_kf_seq_show+0xa0/0xe0
 seq_read_iter+0x11f/0x450
 vfs_read+0x217/0x2f0
 ksys_read+0x5b/0xd0
 do_syscall_64+0x58/0x80
 ? __do_sys_newfstatat+0x3d/0x50
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f210af0190c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 79 f8 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 df 79 f8 ff 48
RSP: 002b:00007ffc9289a990 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055d988aec970 RCX: 00007f210af0190c
RDX: 0000000000001000 RSI: 000055d988b807f0 RDI: 000000000000000a
RBP: 00007ffc9289ab78 R08: 0000000000000000 R09: 00007f210aff8d00
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc9289ab50 R14: 0000000000000000 R15: 000000000000000a
 </TASK>
Modules linked in: binfmt_misc uinput veth xt_nat xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype nft_compat br_netfilter bridge stp llc 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 overlay qrtr sunrpc vfat fat squashfs loop snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils soundwire_bus snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_hda_codec_hdmi snd_compress snd_ctl_led ac97_bus snd_hda_codec_realtek snd_hda_codec_generic snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec
 snd_hda_core snd_hwdep intel_rapl_msr snd_seq intel_rapl_common intel_tcc_cooling x86_pkg_temp_thermal iTCO_wdt intel_powerclamp intel_pmc_bxt mei_wdt iTCO_vendor_support coretemp mei_pxp kvm_intel mei_hdcp ee1004 idma64 rfkill kvm snd_seq_device irqbypass snd_pcm dell_smm_hwmon rapl i2c_i801 snd_timer intel_cstate i2c_smbus snd dell_wmi ie31200_edac soundcore mei_me mei intel_uncore dell_smbios intel_pch_thermal dell_wmi_aio ledtrig_audio dcdbas dell_wmi_sysman sparse_keymap intel_wmi_thunderbolt firmware_attributes_class pcspkr dell_wmi_descriptor acpi_pad wmi_bmof zram i915 crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni ttm e1000e polyval_generic drm_buddy ghash_clmulni_intel drm_display_helper cec wmi video pinctrl_cannonlake ip6_tables ip_tables fuse
CR2: 0000000000000060