Backtrace

BUG: kernel NULL pointer dereference, address: 000000000000002c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP NOPTI
CPU: 0 PID: 2674 Comm: fwupd Not tainted 5.8.15-301.fc33.x86_64 #1
Hardware name: LENOVO 81LG/LNVNB161216, BIOS ATCN29WW 05/24/2019
RIP: 0010:tpm2_bios_measurements_start+0x36/0x1f0
Code: 54 55 53 48 83 ec 28 4c 8b 16 65 48 8b 04 25 28 00 00 00 48 89 44 24 20 48 8b 47 70 4c 8b a0 e0 06 00 00 48 8b a8 e8 06 00 00 <41> 8b 5c 24 1c 48 89 d8 48 83 c3 20 4d 85 d2 75 32 4c 01 e3 48 39
RSP: 0018:ffff9f3d01103e20 EFLAGS: 00010282
RAX: ffff889b2cfc6000 RBX: 0000000000000000 RCX: 0000000000000013
RDX: 0000000000000012 RSI: ffff889b1ac8bbe0 RDI: ffff889b1ac8bbb8
RBP: 0000000000000010 R08: ffffbf3cffa44cb0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000013 R12: 0000000000000010
R13: ffff889b1ac8bbe0 R14: ffff889b1ac8bbb8 R15: ffff889b1ac8bbf0
FS:  00007f55b9902300(0000) GS:ffff889b2e400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000002c CR3: 000000025fbf4005 CR4: 00000000003606f0
Call Trace:
 ? __kmalloc_node+0x204/0x300
 seq_read+0x90/0x460
 vfs_read+0xa0/0x180
 ksys_read+0x4f/0xc0
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f55baefc42c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 19 40 f9 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 6f 40 f9 ff 48
RSP: 002b:00007ffc526bc0f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000559a7bdf7a20 RCX: 00007f55baefc42c
RDX: 0000000000001000 RSI: 00007ffc526bc1f0 RDI: 0000000000000013
RBP: 00007f55bafd1320 R08: 0000000000000000 R09: 00007f55bafcfa60
R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000001000
R13: 00007ffc526bc1f0 R14: 0000000000000d68 R15: 00007f55bafd0720
Modules linked in: uinput rfcomm 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 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 nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter cmac bnep vfat fat rpcrdma ib_isert iscsi_target_mod ib_iser ib_srpt target_core_mod ib_srp scsi_transport_srp ib_ipoib rdma_ucm ib_umad iw_cxgb4 ib_uverbs rdma_cm iw_cm ib_cm ib_core snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof mei_hdcp uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common iTCO_wdt btusb intel_pmc_bxt videodev x86_pkg_temp_thermal intel_powerclamp intel_rapl_msr iTCO_vendor_support btrtl coretemp kvm_intel
 kvm mc btbcm btintel snd_hda_codec_hdmi bluetooth snd_hda_codec_realtek snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_hda_codec_generic snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine irqbypass ledtrig_audio rapl intel_cstate intel_uncore ecdh_generic pcspkr ecc snd_hda_intel snd_intel_dspcfg snd_hda_codec iwlmvm joydev wmi_bmof intel_wmi_thunderbolt idma64 snd_hda_core mac80211 snd_hwdep libarc4 snd_seq ideapad_laptop sparse_keymap snd_seq_device snd_pcm i2c_i801 snd_timer snd iwlwifi i2c_smbus soundcore processor_thermal_device intel_rapl_common int340x_thermal_zone int3400_thermal intel_pch_thermal acpi_thermal_rel intel_soc_dts_iosf cfg80211 mei_me mei rfkill acpi_pad acpi_tad zram ip_tables i915 hid_rmi rmi_core i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec ghash_clmulni_intel r8169 drm serio_raw wmi i2c_hid video pinctrl_cannonlake pinctrl_intel sunrpc be2iscsi bnx2i cnic uio
 cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi fuse scsi_transport_iscsi
CR2: 000000000000002c