Project Number Date
test_Tails_ISO_stable 6748 14 Oct 2026, 11:37

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 7:17.901 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
19.708
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.292
And I prepare Tails for memory erasure tests 0.287
When I start a process allocating 128 MiB of memory with a known pattern 2.190
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.914 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.187
Then I find very few patterns in the guest's memory after 5 seconds 7.835 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 1.087
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.016
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.461
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 2.717 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.537
Then patterns cover at least 99% of the test FS size in the guest's memory 2.718 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.377
Then I find very few patterns in the guest's memory after 3 seconds 5.808 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.741
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.869
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails from DVD without network and logged in 6.334
And I prepare Tails for memory erasure tests 0.289
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.171
Then I find very few patterns in the guest's memory 2.717 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.758
Then patterns cover at least 75% of the test FS size in the guest's memory 3.095 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 5.714 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
# read cache
When I mount the USB drive again 0.160
And I read the content of the test FS 0.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.014 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 5.840 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
After features/support/hooks.rb:339 0.894
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.023
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 6.334
And I prepare Tails for memory erasure tests 0.256
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.325
Then I find very few patterns in the guest's memory 2.655 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.130
Then patterns cover at least 99% of the test FS size in the guest's memory 2.897 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 5.516 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 3.472
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 2.632 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.366
Then I find very few patterns in the guest's memory after 3 seconds 5.441 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.787
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.874
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 6.187
And I prepare Tails for memory erasure tests 0.253
When I fill a 128 MiB file with a known pattern on the root filesystem 12.092
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.400
Then patterns cover at least 128 MiB in the guest's memory 2.171 
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 20.762 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 3.663
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:17.408
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 3:46.818
And I prepare Tails for memory erasure tests 0.311
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.238
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.034 
Pattern coverage: 0.000% (0 MiB out of 1437 MiB reference memory)
After features/support/hooks.rb:339 3.725
After features/support/hooks.rb:108 0.016