Backtrace

WARNING: CPU: 2 PID: 1276 at drivers/char/tpm/tpm_tis_core.c:205 tpm_tis_status+0x86/0x90
Modules linked in: snd_seq_dummy snd_hrtimer rfcomm xt_CHECKSUM ipt_MASQUERADE xt_conntrack ipt_REJECT nft_compat nf_nat_tftp nft_objref nf_conntrack_tftp nft_counter tun bridge stp llc ccm eset_rtp(O) nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink cmac bnep sunrpc vfat fat squashfs loop joydev hid_multitouch x86_pkg_temp_thermal intel_powerclamp coretemp nvidia_drm(PO) mei_wdt kvm_intel i2c_designware_platform i2c_designware_core kvm intel_rapl_msr dell_laptop dcdbas irqbypass dell_smm_hwmon nvidia_modeset(PO) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(PO) rapl intel_cstate snd_hda_codec_hdmi snd_sof_pci_intel_cnl snd_sof_intel_hda_common snd_soc_hdac_hda soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof iwlmvm soundwire_bus
 snd_soc_skl snd_ctl_led snd_hda_codec_realtek snd_soc_sst_ipc snd_hda_codec_generic snd_soc_sst_dsp mac80211 snd_hda_ext_core snd_soc_acpi_intel_match ledtrig_audio snd_soc_acpi snd_soc_core snd_compress intel_uncore snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core pcspkr libarc4 snd_hwdep dell_wmi snd_seq dell_smbios dell_wmi_sysman dell_wmi_descriptor snd_seq_device iwlwifi intel_wmi_thunderbolt wmi_bmof snd_pcm uvcvideo btusb videobuf2_vmalloc snd_timer btrtl videobuf2_memops videobuf2_v4l2 btbcm snd btintel videobuf2_common mei_me rtsx_pci_ms soundcore bluetooth cfg80211 memstick idma64 mei videodev hid_sensor_als hid_sensor_trigger processor_thermal_device hid_sensor_iio_common ecdh_generic industrialio_triggered_buffer kfifo_buf intel_soc_dts_iosf intel_lpss_pci rfkill intel_lpss industrialio intel_rapl_common intel_pch_thermal int3403_thermal int340x_thermal_zone int3400_thermal intel_hid acpi_thermal_rel intel_pmc_core acpi_tad sparse_keymap
 acpi_pad binfmt_misc xfs libcrc32c intel_ishtp_hid i915 rtsx_pci_sdmmc cec mmc_core intel_gtt i2c_algo_bit drm_kms_helper syscopyarea sysfillrect nvme sysimgblt fb_sys_fops crc32c_intel drm serio_raw nvme_core rtsx_pci intel_ish_ipc t10_pi intel_ishtp wmi i2c_hid video pinctrl_cannonlake dm_mirror dm_region_hash dm_log dm_mod fuse
CPU: 2 PID: 1276 Comm: rngd Kdump: loaded Tainted: P           O     --------- -  - 4.18.0-348.20.1.el8_5.x86_64 #1
Hardware name: Dell Inc. Precision 5550/09RKCG, BIOS 1.12.0 12/08/2021
RIP: 0010:tpm_tis_status+0x86/0x90
Code: 00 00 89 d8 75 28 48 83 c4 10 5b c3 31 db 80 3d 81 6b 1f 01 00 75 dd 48 c7 c7 07 c6 33 a2 c6 05 71 6b 1f 01 01 e8 73 7b b0 ff <0f> 0b eb c6 e8 71 78 b0 ff 90 0f 1f 44 00 00 41 57 49 89 f7 41 56
RSP: 0018:ffffc2d1c722bca0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000007
RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff9f446d496850
RBP: ffff9f3d096a8000 R08: 000000000000050c R09: 0000000000000004
R10: 0000000000000000 R11: 0000000000000001 R12: ffff9f3d03ea9198
R13: 0000000000000000 R14: 0000000000000014 R15: ffff9f3f7258f000
FS:  00007f11a9952640(0000) GS:ffff9f446d480000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00003c6a08656000 CR3: 00000001e27d2002 CR4: 00000000007706e0
PKRU: 55555554
Call Trace:
 tpm_tis_send_data+0x41/0x260
 tpm_tis_send_main+0x31/0x100
 tpm_transmit+0xd9/0x490
 tpm_transmit_cmd+0x25/0x90
 tpm2_get_random+0xec/0x1e0
 tpm_get_random+0x57/0x70
 rng_dev_read+0x17f/0x280
 vfs_read+0x91/0x140
 ksys_read+0x4f/0xb0
 do_syscall_64+0x5b/0x1a0
 entry_SYSCALL_64_after_hwframe+0x65/0xca
RIP: 0033:0x7f11a85b99e4
Code: c3 0f 1f 44 00 00 41 54 49 89 d4 55 48 89 f5 53 89 fb 48 83 ec 10 e8 7b fc ff ff 4c 89 e2 48 89 ee 89 df 41 89 c0 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 48 89 44 24 08 e8 b7 fc ff ff 48
RSP: 002b:00007ffd758954e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f11a85b99e4
RDX: 00000000000009c4 RSI: 00007ffd75895560 RDI: 0000000000000003
RBP: 00007ffd75895560 R08: 0000000000000000 R09: 000000000000273b
R10: 00007ffd75895f24 R11: 0000000000000246 R12: 00000000000009c4
R13: 0000000000000000 R14: 00007ffd75895560 R15: 00005604e8a0a720