Ubuntu
squashfs-tools package

snapcraft builds snaps which fail checksum verification on upload

Bug #1579931 reported by Grzegorz Mazur on 2016-05-09

This bug affects 2 people

Affects		Status	Importance	Assigned to	Milestone
	squashfs-tools (Ubuntu)	Fix Released	High	Unassigned

Bug Description

snapcraft successfully builds a snap and uploads it, but then automatic verification in ubuntu myapps results in

checksums do not match. Please ensure the snap is created with either 'snapcraft snap <DIR>' or 'mksquashfs <dir> <snap> -noappend -comp xz -all-root -no-xattrs' security-snap-v2_squashfs_repack_checksum

Sergio Schvezov (sergiusens) on 2016-05-23

Changed in snapcraft:
status:	New → Invalid

Revision history for this message

Jamie Strandboge (jdstrand) wrote on 2016-05-24:

Can you provide the snap that is failing to verify?

no longer affects:

snapcraft

Revision history for this message

Sergio Schvezov (sergiusens) wrote on 2016-05-24:

gmailfilter_0.0.1a_amd64.snap Edit (144.0 KiB, application/octet-stream)

Errors
------
- security-snap-v2:squashfs_repack_checksum
checksums do not match. Please ensure the snap is created with either 'snapcraft snap <DIR>' or 'mksquashfs <dir> <snap> -noappend -comp xz -all-root -no-xattrs'
gmailfilter_0.0.1a_amd64.snap: FAIL

Revision history for this message

Jamie Strandboge (jdstrand) wrote on 2016-05-24:

I can confirm this. Bug is in squashfs-tools.

Changed in squashfs-tools (Ubuntu):
status:	New → Confirmed
importance:	Undecided → High
no longer affects:	click-reviewers-tools

Revision history for this message

Jamie Strandboge (jdstrand) wrote on 2018-02-06:

This should now be fixed between bug #1555305 (squashfs-tools and symlinks) and bug #1576763 (need to use -no-fragments with mksquashfs). I was able to snap the above tarball with both of the stage-packages and pass the resquashfs test fine.