Project Number Date
test_Tails_ISO_stable-flatpak 26 24 Sep 2026, 20:13

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 7:19.415 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
19.805
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 6.200
And I prepare Tails for memory erasure tests 0.299
When I start a process allocating 128 MiB of memory with a known pattern 2.162
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.815 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.720
Then I find very few patterns in the guest's memory after 5 seconds 7.607 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.949
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.373
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 6.139
And I prepare Tails for memory erasure tests 0.337
And I find very few patterns in the guest's memory 2.585 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.432
Then patterns cover at least 99% of the test FS size in the guest's memory 2.821 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.350
Then I find very few patterns in the guest's memory after 3 seconds 5.707 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.887
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.683
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.232
And I prepare Tails for memory erasure tests 0.342
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.112
Then I find very few patterns in the guest's memory 2.576 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.306
Then patterns cover at least 75% of the test FS size in the guest's memory 3.242 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.662
Then I find very few patterns in the guest's memory after 3 seconds 5.482 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# read cache
When I mount the USB drive again 0.172
And I read the content of the test FS 0.624
Then patterns cover at least 99% of the test FS size in the guest's memory 2.864 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.378
Then I find very few patterns in the guest's memory after 3 seconds 5.685 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.530
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.029
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 6.126
And I prepare Tails for memory erasure tests 0.322
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.756
Then I find very few patterns in the guest's memory 2.460 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.191
Then patterns cover at least 99% of the test FS size in the guest's memory 2.777 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.495
Then I find very few patterns in the guest's memory after 3 seconds 5.915 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# read cache
When I mount the USB drive again 3.912
And I read the content of the test FS 0.346
Then patterns cover at least 99% of the test FS size in the guest's memory 2.891 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 5.374 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 0.677
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.336
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 17.929
And I prepare Tails for memory erasure tests 0.279
When I fill a 128 MiB file with a known pattern on the root filesystem 12.424
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.578
Then patterns cover at least 128 MiB in the guest's memory 2.377 
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 20.741 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 3.677
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:8.185
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 3:36.053
And I prepare Tails for memory erasure tests 0.263
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.806
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.056 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 3.492
After features/support/hooks.rb:108 0.009