BUG: kernel NULL pointer dereference, address: 000000000000002c

[Julian Andres Klode]

Okt 07 20:45:43 jak-t480s kernel: BUG: kernel NULL pointer dereference, address: 000000000000002c
Okt 07 20:45:43 jak-t480s kernel: #PF: supervisor read access in kernel mode
Okt 07 20:45:43 jak-t480s kernel: #PF: error_code(0x0000) - not-present page
Okt 07 20:45:43 jak-t480s kernel: PGD 0 P4D 0
Okt 07 20:45:43 jak-t480s kernel: Oops: 0000 [#3] SMP PTI
Okt 07 20:45:43 jak-t480s kernel: CPU: 1 PID: 1763439 Comm: fwupd Tainted: P D W O 5.8.0-21-generic #22-Ubuntu
Okt 07 20:45:43 jak-t480s kernel: Hardware name: LENOVO 20L8S02D00/20L8S02D00, BIOS N22ET65W (1.42 ) 06/04/2020
Okt 07 20:45:43 jak-t480s kernel: RIP: 0010:tpm2_bios_measurements_start+0x38/0x1f0
Okt 07 20:45:43 jak-t480s kernel: Code: 55 41 54 53 48 83 ec 30 4c 8b 16 65 48 8b 04 25 28 00 00 00 48 89 45 d0 48 8b 47 70 4c 8b a0 d0 06 00 00 48 8b 88 d8 06 00 00 <41> 8b 5c 24 1c 48 89 4d b0 48 89 d8 48 83 c3 20 4d 85 d2 75 31 4c
Okt 07 20:45:43 jak-t480s kernel: RSP: 0018:ffffae1882593de8 EFLAGS: 00010286
Okt 07 20:45:43 jak-t480s kernel: RAX: ffff9eb8e2f8e000 RBX: 0000000000000000 RCX: 0000000000000010
Okt 07 20:45:43 jak-t480s kernel: RDX: 0000000000001000 RSI: ffff9eb458df5370 RDI: ffff9eb458df5348
Okt 07 20:45:43 jak-t480s kernel: RBP: ffffae1882593e40 R08: ffffce187f442ad0 R09: ffff9eb320efa300
Okt 07 20:45:43 jak-t480s kernel: R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000010
Okt 07 20:45:43 jak-t480s kernel: R13: ffff9eb458df5348 R14: ffff9eb458df5370 R15: ffff9eb458df5380
Okt 07 20:45:43 jak-t480s kernel: FS: 00007f2974d35b00(0000) GS:ffff9eb8e7440000(0000) knlGS:0000000000000000
Okt 07 20:45:43 jak-t480s kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Okt 07 20:45:43 jak-t480s kernel: CR2: 000000000000002c CR3: 000000041a232004 CR4: 00000000003606e0
Okt 07 20:45:43 jak-t480s kernel: Call Trace:
Okt 07 20:45:43 jak-t480s kernel: seq_read+0x95/0x470
Okt 07 20:45:43 jak-t480s kernel: ? security_file_permission+0x150/0x160
Okt 07 20:45:43 jak-t480s kernel: vfs_read+0xaa/0x190
Okt 07 20:45:43 jak-t480s kernel: ksys_read+0x67/0xe0
Okt 07 20:45:43 jak-t480s kernel: __x64_sys_read+0x1a/0x20
Okt 07 20:45:43 jak-t480s kernel: do_syscall_64+0x49/0xc0
Okt 07 20:45:43 jak-t480s kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Okt 07 20:45:43 jak-t480s kernel: RIP: 0033:0x7f2977f93cec
Okt 07 20:45:43 jak-t480s kernel: Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 7c 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 4f 7d f8 ff 48
Okt 07 20:45:43 jak-t480s kernel: RSP: 002b:00007ffc233bb840 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
Okt 07 20:45:43 jak-t480s kernel: RAX: ffffffffffffffda RBX: 0000560ac1a5da20 RCX: 00007f2977f93cec
Okt 07 20:45:43 jak-t480s kernel: RDX: 0000000000001000 RSI: 00007ffc233bb940 RDI: 0000000000000010
Okt 07 20:45:43 jak-t480s kernel: RBP: 00007f29780704c0 R08: 0000000000000000 R09: 0000560ac1a731d0
Okt 07 20:45:43 jak-t480s kernel: R10: 0000560ac1a6fdc0 R11: 0000000000000246 R12: 0000000000001000
Okt 07 20:45:43 jak-t480s kernel: R13: 00007ffc233bb940 R14: 0000000000000d68 R15: 00007f297806f8c0
Okt 07 20:45:43 jak-t480s kernel: Modules linked in: unix_diag snd_usb_audio snd_usbmidi_lib scsi_transport_iscsi acpi_call(O) veth ip6table_nat zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) nf_tables nfnetlink ccm rfcomm ipt_REJECT nf_reject_ipv4 xt_>
Okt 07 20:45:43 jak-t480s kernel: snd_seq_midi ledtrig_audio elan_i2c ee1004 snd_pcm cfg80211 mei snd_seq_midi_event intel_pch_thermal snd_rawmidi ucsi_acpi typec_ucsi processor_thermal_device snd_seq intel_xhci_usb_role_switch intel_rapl_common roles intel_soc_dts_iosf typec snd_s>
Okt 07 20:45:43 jak-t480s kernel: xhci_pci_renesas wmi video
Okt 07 20:45:43 jak-t480s kernel: CR2: 000000000000002c
Okt 07 20:45:43 jak-t480s kernel: ---[ end trace 78901de378649ad1 ]---
Okt 07 20:45:43 jak-t480s kernel: RIP: 0010:tpm2_bios_measurements_start+0x38/0x1f0
Okt 07 20:45:43 jak-t480s kernel: Code: 55 41 54 53 48 83 ec 30 4c 8b 16 65 48 8b 04 25 28 00 00 00 48 89 45 d0 48 8b 47 70 4c 8b a0 d0 06 00 00 48 8b 88 d8 06 00 00 <41> 8b 5c 24 1c 48 89 4d b0 48 89 d8 48 83 c3 20 4d 85 d2 75 31 4c
Okt 07 20:45:43 jak-t480s kernel: RSP: 0018:ffffae1880903de8 EFLAGS: 00010286
Okt 07 20:45:43 jak-t480s kernel: RAX: ffff9eb8e2f8e000 RBX: 0000000000000000 RCX: 0000000000000010
Okt 07 20:45:43 jak-t480s kernel: RDX: 0000000000001000 RSI: ffff9eb5311500a0 RDI: ffff9eb531150078
Okt 07 20:45:43 jak-t480s kernel: RBP: ffffae1880903e40 R08: ffffce187ec270e0 R09: ffff9eb7e1e62bc0
Okt 07 20:45:43 jak-t480s kernel: R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000010
Okt 07 20:45:43 jak-t480s kernel: R13: ffff9eb531150078 R14: ffff9eb5311500a0 R15: ffff9eb5311500b0
Okt 07 20:45:43 jak-t480s kernel: FS: 00007f2974d35b00(0000) GS:ffff9eb8e7440000(0000) knlGS:0000000000000000
Okt 07 20:45:43 jak-t480s kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Okt 07 20:45:43 jak-t480s kernel: CR2: 000000000000002c CR3: 000000041a232004 CR4: 00000000003606e0

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: linux-image-5.8.0-21-generic 5.8.0-21.22
ProcVersionSignature: Ubuntu 5.8.0-21.22-generic 5.8.13
Uname: Linux 5.8.0-21-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu49
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC2: jak 2945 F.... pulseaudio
 /dev/snd/controlC1: jak 2945 F.... pulseaudio
 /dev/snd/pcmC1D0p: jak 2945 F...m pulseaudio
 /dev/snd/controlC0: jak 2945 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: GNOME
Date: Thu Oct 8 10:35:50 2020
HibernationDevice: RESUME=none
InstallationDate: Installed on 2018-03-14 (938 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180313)
MachineType: LENOVO 20L8S02D00
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.8.0-21-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.8.0-21-generic N/A
 linux-backports-modules-5.8.0-21-generic N/A
 linux-firmware 1.190
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/04/2020
dmi.bios.release: 1.42
dmi.bios.vendor: LENOVO
dmi.bios.version: N22ET65W (1.42 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20L8S02D00
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.20
dmi.modalias: dmi:bvnLENOVO:bvrN22ET65W(1.42):bd06/04/2020:br1.42:efr1.20:svnLENOVO:pn20L8S02D00:pvrThinkPadT480s:rvnLENOVO:rn20L8S02D00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T480s
dmi.product.name: 20L8S02D00
dmi.product.sku: LENOVO_MT_20L8_BU_Think_FM_ThinkPad T480s
dmi.product.version: ThinkPad T480s
dmi.sys.vendor: LENOVO

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This change was made by a bot.

[Kai-Heng Feng (kaihengfeng)]

Discussed here:
https://lore<email address hidden>/