Project Number Date
test_Tails_ISO_21565-flatpak-safe 6 21 Aug 2026, 16:15

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 8:5.204 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
21.925
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.544
And I prepare Tails for memory erasure tests 0.348
When I start a process allocating 128 MiB of memory with a known pattern 2.194
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.988 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.300
Then I find very few patterns in the guest's memory after 5 seconds 9.549 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.983
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.076
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 18.122
And I prepare Tails for memory erasure tests 0.296
And I find very few patterns in the guest's memory 2.811 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.608
Then patterns cover at least 99% of the test FS size in the guest's memory 3.031 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.394
Then I find very few patterns in the guest's memory after 3 seconds 5.813 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.668
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.626
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.362
And I prepare Tails for memory erasure tests 0.337
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.904
Then I find very few patterns in the guest's memory 2.865 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.719
Then patterns cover at least 75% of the test FS size in the guest's memory 3.187 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.756
Then I find very few patterns in the guest's memory after 3 seconds 6.284 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 0.201
And I read the content of the test FS 0.617
Then patterns cover at least 99% of the test FS size in the guest's memory 3.173 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.505
Then I find very few patterns in the guest's memory after 3 seconds 6.710 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 0.889
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:10.079
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 8.417
And I prepare Tails for memory erasure tests 0.525
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.644
Then I find very few patterns in the guest's memory 3.486 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.468
Then patterns cover at least 99% of the test FS size in the guest's memory 2.794 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.546
Then I find very few patterns in the guest's memory after 3 seconds 5.623 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 4.217
And I read the content of the test FS 0.687
Then patterns cover at least 99% of the test FS size in the guest's memory 2.802 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.421 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.643
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.118
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.787
And I prepare Tails for memory erasure tests 0.326
When I fill a 128 MiB file with a known pattern on the root filesystem 12.482
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.404
Then patterns cover at least 128 MiB in the guest's memory 2.298 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.813 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 3.446
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:37.378
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:6.736
And I prepare Tails for memory erasure tests 0.265
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.284
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.087 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:339 3.874
After features/support/hooks.rb:108 0.010