Project Number Date
test_Tails_ISO_stable 6172 25 Feb 2026, 17:36

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 9:33.333 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
19.416
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.609
And I prepare Tails for memory erasure tests 1.404
When I start a process allocating 128 MiB of memory with a known pattern 2.322
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.932 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.249
Then I find very few patterns in the guest's memory after 5 seconds 6.898 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 0.917
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.866
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.793
And I prepare Tails for memory erasure tests 0.806
And I find very few patterns in the guest's memory 1.843 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.553
Then patterns cover at least 99% of the test FS size in the guest's memory 1.902 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.817
Then I find very few patterns in the guest's memory after 3 seconds 5.149 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.658
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.577
And I prepare Tails for memory erasure tests 1.175
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.152
Then I find very few patterns in the guest's memory 1.796 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.195
Then patterns cover at least 75% of the test FS size in the guest's memory 2.063 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.646
Then I find very few patterns in the guest's memory after 3 seconds 4.698 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# read cache
When I mount the USB drive again 0.157
And I read the content of the test FS 0.413
Then patterns cover at least 99% of the test FS size in the guest's memory 1.792 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.258
Then I find very few patterns in the guest's memory after 3 seconds 4.729 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.244
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.537
And I prepare Tails for memory erasure tests 1.386
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.390
Then I find very few patterns in the guest's memory 1.838 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.931
Then patterns cover at least 99% of the test FS size in the guest's memory 1.777 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.611
Then I find very few patterns in the guest's memory after 3 seconds 4.684 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 16.834
And I read the content of the test FS 0.272
Then patterns cover at least 99% of the test FS size in the guest's memory 1.804 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.590
Then I find very few patterns in the guest's memory after 3 seconds 4.584 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.941
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.812
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.735
And I prepare Tails for memory erasure tests 0.805
When I fill a 128 MiB file with a known pattern on the root filesystem 13.595
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.733
Then patterns cover at least 128 MiB in the guest's memory 1.370 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.562 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 3.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:19.334
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:48.193
And I prepare Tails for memory erasure tests 0.297
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.911
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.927 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.832
After features/support/hooks.rb:100 0.008