Project Number Date
test_Tails_ISO_devel 4537 10 Aug 2026, 11:17

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 7:27.168 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
20.095
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 6.553
And I prepare Tails for memory erasure tests 0.371
When I start a process allocating 128 MiB of memory with a known pattern 2.204
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.981 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.209
Then I find very few patterns in the guest's memory after 5 seconds 7.775 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 0.678
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.601
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.011
Given I have started Tails from DVD without network and logged in 6.919
And I prepare Tails for memory erasure tests 0.360
And I find very few patterns in the guest's memory 2.715 
Pattern coverage: 0.000% (0 MiB out of 1465 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 2.828 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.405
Then I find very few patterns in the guest's memory after 3 seconds 5.834 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 0.705
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.082
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 6.424
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.288
Then I find very few patterns in the guest's memory 2.667 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.701
Then patterns cover at least 75% of the test FS size in the guest's memory 3.327 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.711
Then I find very few patterns in the guest's memory after 3 seconds 5.694 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.209
And I read the content of the test FS 0.621
Then patterns cover at least 99% of the test FS size in the guest's memory 2.892 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.419
Then I find very few patterns in the guest's memory after 3 seconds 5.728 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.662
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.605
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 7.093
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.906
Then I find very few patterns in the guest's memory 2.677 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.092
Then patterns cover at least 99% of the test FS size in the guest's memory 3.015 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.562
Then I find very few patterns in the guest's memory after 3 seconds 5.685 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# read cache
When I mount the USB drive again 3.705
And I read the content of the test FS 0.352
Then patterns cover at least 99% of the test FS size in the guest's memory 2.688 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.478
Then I find very few patterns in the guest's memory after 3 seconds 5.895 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 0.846
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.499
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 6.778
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the root filesystem 12.659
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.567
Then patterns cover at least 128 MiB in the guest's memory 2.248 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.782 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 3.568
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.284
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 3:49.947
And I prepare Tails for memory erasure tests 0.361
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.910
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.060 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 3.407
After features/support/hooks.rb:108 0.010