Backtrace

BUG: unable to handle page fault for address: ffffa2c5c02bf000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 100000067 P4D 100000067 PUD 0 
Oops: Oops: 0002 [#1] PREEMPT SMP PTI
CPU: 0 UID: 0 PID: 72 Comm: hwrng Not tainted 6.11.4-301.fc41.x86_64 #1
Hardware name: GOOGLE Reks/Reks, BIOS MrChromebox-4.14 07/25/2021
RIP: 0010:iowrite8+0xd/0x60
Code: e2 01 e8 b6 ac 84 ff 0f 0b eb c9 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 81 fe ff ff 03 00 76 08 <40> 88 3e c3 cc cc cc cc 48 81 fe 00 00 01 00 76 0a 89 f8 89 f2 ee
RSP: 0018:ffffa2c4c02cbe28 EFLAGS: 00010292
RAX: 0000000000000000 RBX: ffffa2c4c02cbe60 RCX: ffffa2c4c02cbe5f
RDX: 0000000000000001 RSI: ffffa2c5c02bf000 RDI: 0000000000000020
RBP: 00000000fffff000 R08: 0000000000000000 R09: 000000000000754d
R10: ffffffffffffffc2 R11: 0000000000000000 R12: ffff919080282928
R13: ffffa2c4c02cbe60 R14: 0000000000000000 R15: ffffffffb4af3370
FS:  0000000000000000(0000) GS:ffff9190fbc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffa2c5c02bf000 CR3: 000000000565a000 CR4: 00000000001006f0
Call Trace:
 <TASK>
 ? __die_body.cold+0x19/0x27
 ? page_fault_oops+0x15a/0x2f0
 ? search_module_extables+0x19/0x60
 ? search_bpf_extables+0x5f/0x80
 ? exc_page_fault+0x170/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? __pfx_hwrng_fillfn+0x10/0x10
 ? iowrite8+0xd/0x60
 tpm_tcg_write_bytes+0x4f/0x90
 tpm_tis_relinquish_locality+0x8a/0xa0
 tpm_relinquish_locality+0x24/0x50
 tpm_chip_stop+0x2a/0x50
 tpm_put_ops+0x12/0x40
 tpm_get_random+0x4f/0x80
 hwrng_fillfn+0xa6/0x1a0
 kthread+0xd2/0x100
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x34/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer 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 qrtr bnep leds_cros_ec cros_ec_chardev gpio_cros_ec cros_ec_hwmon led_class_multicolor cros_ec_sysfs iwlmvm snd_soc_sst_cht_bsw_rt5645 iTCO_wdt mac80211 intel_pmc_bxt libarc4 iTCO_vendor_support intel_rapl_msr intel_powerclamp cros_ec_dev joydev snd_sof_acpi_intel_byt coretemp snd_sof_acpi snd_sof_intel_atom snd_sof_xtensa_dsp kvm_intel iwlwifi snd_sof kvm uvcvideo snd_hda_codec_hdmi uvc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_intel sunrpc videobuf2_common btusb snd_sof_utils snd_hda_codec videodev snd_intel_sst_acpi snd_intel_sst_core snd_soc_sst_atom_hifi2_platform intel_cstate btrtl btintel mc snd_soc_rt5645 cfg80211 snd_soc_acpi_intel_match btbcm snd_soc_acpi snd_hda_core snd_soc_rt5640
 snd_soc_rl6231 snd_intel_dspcfg pcspkr btmtk snd_hwdep snd_seq snd_intel_sdw_acpi bluetooth snd_seq_device snd_soc_core processor_thermal_device_pci_legacy snd_compress ac97_bus snd_pcm_dmaengine snd_pcm processor_thermal_device rfkill processor_thermal_wt_hint processor_thermal_rfim binfmt_misc processor_thermal_rapl intel_rapl_common processor_thermal_wt_req processor_thermal_power_floor processor_thermal_mbox lpc_ich int3403_thermal intel_xhci_usb_role_switch int340x_thermal_zone intel_soc_dts_iosf cros_ec_lpcs snd_timer vfat fat cros_ec snd elan_i2c int3400_thermal elants_i2c acpi_thermal_rel soundcore dw_dmac loop nfnetlink zram i915 mmc_block crct10dif_pclmul crc32_pclmul crc32c_intel polyval_generic sdhci_pci i2c_algo_bit ghash_clmulni_intel drm_buddy sha512_ssse3 ttm cqhci sha256_ssse3 sdhci sha1_ssse3 drm_display_helper mmc_core cec video wmi serio_raw ip6_tables ip_tables fuse
CR2: ffffa2c5c02bf000