linux-signed-image-4.13.0-21-generic warning messages: checksum areas are greater than image size and file-aligned section .text extends beyond end of file

Bug #1739720 reported by Abraham on 2017-12-22
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Secure boot tools
Undecided
Unassigned
linux-signed (Ubuntu)
Undecided
Unassigned
sbsigntool (Ubuntu)
Undecided
Unassigned

Bug Description

The new kernel update 4.13.0-21-generic while installing the linux-signed-image-4.13.0-21-generic produced below warning messages:

warning: file-aligned section .text extends beyond end of file
warning: checksum areas are greater than image size. Invalid section table?
Generating grub configuration file ...

With the previous linux-signed-image-4.13.0-19-generic, there was no such warnings observed. Reporting as it looks suspicious. This is on a HP 15-BS576TX laptop.

:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 17.10
Release: 17.10
Codename: artful

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-signed-image-4.13.0-21-generic 4.13.0-21.24
ProcVersionSignature: Ubuntu 4.13.0-21.24-generic 4.13.13
Uname: Linux 4.13.0-21-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.6
Architecture: amd64
Date: Fri Dec 22 10:50:54 2017
InstallationDate: Installed on 2017-11-22 (29 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
SourcePackage: linux-signed
UpgradeStatus: No upgrade log present (probably fresh install)

Abraham (abrahm79) wrote :
Abraham (abrahm79) on 2017-12-22
summary: - linux-signed-image warning messages: checksum areas are greater than
- image size and file-aligned section .text extends beyond end of file
+ linux-signed-image-4.13.0-21-generic warning messages: checksum areas
+ are greater than image size and file-aligned section .text extends
+ beyond end of file
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in linux-signed (Ubuntu):
status: New → Confirmed
Changed in sbsigntool (Ubuntu):
status: New → Confirmed
Timppa (timppa-4) wrote :

Not sure if this is the right place for bionic, but there too...

Setting up linux-headers-generic (4.15.0.13.14) ...
Setting up linux-signed-image-4.15.0-13-generic (4.15.0-13.14) ...
warning: file-aligned section .text extends beyond end of file
warning: checksum areas are greater than image size. Invalid section table?

Distributor ID: Ubuntu
Description: Ubuntu Bionic Beaver (development branch)
Release: 18.04
Codename: bionic

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