Ubuntu
sbsigntool package

sbsign crashes randomly

Bug #1574372 reported by Rod Smith on 2016-04-24

This bug affects 7 people

Affects		Status	Importance	Assigned to	Milestone
	sbsigntool (Ubuntu)	Fix Released	Undecided	Unassigned

Bug Description

The sbsign program in Ubuntu 16.04 is segfaulting randomly:

root@gil:/home/ubuntu# /usr/bin/sbsign --key //etc/refind.d/keys/refind_local.key --cert //etc/refind.d/keys/refind_local.crt --output /tmp/refind_local/refind_x64.efi /usr/share/refind/refind/refind_x64.efi
warning: data remaining[204288 vs 227742]: gaps between PE/COFF sections?
warning: data remaining[204288 vs 227744]: gaps between PE/COFF sections?
warning: overwriting existing signature
Segmentation fault (core dumped)
root@gil:/home/ubuntu# /usr/bin/sbsign --key //etc/refind.d/keys/refind_local.key --cert //etc/refind.d/keys/refind_local.crt --output /tmp/refind_local/refind_x64.efi /usr/share/refind/refind/refind_x64.efi
warning: data remaining[204288 vs 227742]: gaps between PE/COFF sections?
warning: data remaining[204288 vs 227744]: gaps between PE/COFF sections?
root@gil:/home/ubuntu# /usr/bin/sbsign --key //etc/refind.d/keys/refind_local.key --cert //etc/refind.d/keys/refind_local.crt --output /tmp/refind_local/refind_x64.efi /usr/share/refind/refind/refind_x64.efi
warning: data remaining[204288 vs 227742]: gaps between PE/COFF sections?
warning: data remaining[204288 vs 227744]: gaps between PE/COFF sections?
root@gil:/home/ubuntu# /usr/bin/sbsign --key //etc/refind.d/keys/refind_local.key --cert //etc/refind.d/keys/refind_local.crt --output /tmp/refind_local/refind_x64.efi /usr/share/refind/refind/refind_x64.efi
warning: data remaining[204288 vs 227742]: gaps between PE/COFF sections?
warning: data remaining[204288 vs 227744]: gaps between PE/COFF sections?
root@gil:/home/ubuntu# /usr/bin/sbsign --key //etc/refind.d/keys/refind_local.key --cert //etc/refind.d/keys/refind_local.crt --output /tmp/refind_local/refind_x64.efi /usr/share/refind/refind/refind_x64.efi
warning: data remaining[204288 vs 227742]: gaps between PE/COFF sections?
warning: data remaining[204288 vs 227744]: gaps between PE/COFF sections?
warning: overwriting existing signature
Segmentation fault (core dumped)

Note that on two of those five runs, the program segfaulted. This problem is new with Ubuntu 16.04; it did not occur with Ubuntu 16.04 or 15.10.

Here's my version information:

$ lsb_release -rd
Description: Ubuntu 16.04 LTS
Release: 16.04

$ apt-cache policy sbsigntool
sbsigntool:
  Installed: 0.6-0ubuntu10
  Candidate: 0.6-0ubuntu10
  Version table:
*** 0.6-0ubuntu10 500
        500 http://nessus.rodsbooks.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

I'm attaching a crash dump from /var/crash.