Project Number Date
test_Tails_ISO_stable 6378 14 May 2026, 22:54

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 7:42.500 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
18.059
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 7.059
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 1.133
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.033 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.624
Then I find very few patterns in the guest's memory after 5 seconds 6.777 
Pattern coverage: 0.000% (0 MiB out of 1543 MiB reference memory)
After features/support/hooks.rb:335 0.966
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.067
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.885
And I prepare Tails for memory erasure tests 0.393
And I find very few patterns in the guest's memory 1.921 
Pattern coverage: 0.000% (0 MiB out of 1543 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.718
Then patterns cover at least 99% of the test FS size in the guest's memory 2.047 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.323
Then I find very few patterns in the guest's memory after 3 seconds 4.777 
Pattern coverage: 0.000% (0 MiB out of 1543 MiB reference memory)
After features/support/hooks.rb:335 0.808
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
33.826
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.004
Given I have started Tails from DVD without network and logged in 7.138
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.454
Then I find very few patterns in the guest's memory 1.762 
Pattern coverage: 0.000% (0 MiB out of 1547 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.778
Then patterns cover at least 75% of the test FS size in the guest's memory 2.228 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.922
Then I find very few patterns in the guest's memory after 3 seconds 5.055 
Pattern coverage: 0.000% (0 MiB out of 1547 MiB reference memory)
# read cache
When I mount the USB drive again 0.154
And I read the content of the test FS 0.462
Then patterns cover at least 99% of the test FS size in the guest's memory 2.214 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory after 3 seconds 4.838 
Pattern coverage: 0.000% (0 MiB out of 1547 MiB reference memory)
After features/support/hooks.rb:335 1.004
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
1:0.610
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 7.083
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.512
Then I find very few patterns in the guest's memory 1.766 
Pattern coverage: 0.000% (0 MiB out of 1537 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.430
Then patterns cover at least 99% of the test FS size in the guest's memory 2.021 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory after 3 seconds 5.073 
Pattern coverage: 0.000% (0 MiB out of 1537 MiB reference memory)
# read cache
When I mount the USB drive again 4.188
And I read the content of the test FS 0.302
Then patterns cover at least 99% of the test FS size in the guest's memory 2.059 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.435
Then I find very few patterns in the guest's memory after 3 seconds 4.762 
Pattern coverage: 0.000% (0 MiB out of 1537 MiB reference memory)
After features/support/hooks.rb:335 0.758
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
56.133
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.824
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 24.417
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.130
Then patterns cover at least 128 MiB in the guest's memory 1.736 
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 20.548 
Pattern coverage: 0.000% (0 MiB out of 1546 MiB reference memory)
After features/support/hooks.rb:335 3.470
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:35.802
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:56.176
And I prepare Tails for memory erasure tests 0.347
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.290
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.979 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:335 3.468
After features/support/hooks.rb:104 0.010