Project Number Date
test_Tails_ISO_stable 6709 30 Sep 2026, 11:38

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 8:6.286 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
20.501
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.857
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 2.250
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.855 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.229
Then I find very few patterns in the guest's memory after 5 seconds 7.858 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 1.306
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.055
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 7.908
And I prepare Tails for memory erasure tests 0.368
And I find very few patterns in the guest's memory 8.196 
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 1.597
Then patterns cover at least 99% of the test FS size in the guest's memory 11.137 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.413
Then I find very few patterns in the guest's memory after 3 seconds 8.433 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.810
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.241
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.757
And I prepare Tails for memory erasure tests 0.333
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.684
Then I find very few patterns in the guest's memory 5.159 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.936
Then patterns cover at least 75% of the test FS size in the guest's memory 4.797 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.741
Then I find very few patterns in the guest's memory after 3 seconds 6.819 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# read cache
When I mount the USB drive again 0.180
And I read the content of the test FS 0.616
Then patterns cover at least 99% of the test FS size in the guest's memory 4.047 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.464
Then I find very few patterns in the guest's memory after 3 seconds 6.701 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 1.121
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.237
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.488
And I prepare Tails for memory erasure tests 0.355
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.863
Then I find very few patterns in the guest's memory 2.729 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.165
Then patterns cover at least 99% of the test FS size in the guest's memory 2.779 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.457
Then I find very few patterns in the guest's memory after 3 seconds 5.485 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 3.421
And I read the content of the test FS 0.359
Then patterns cover at least 99% of the test FS size in the guest's memory 3.956 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.512
Then I find very few patterns in the guest's memory after 3 seconds 5.661 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 1.019
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.547
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 6.458
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the root filesystem 12.434
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.606
Then patterns cover at least 128 MiB in the guest's memory 3.124 
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 21.540 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 3.465
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:34.704
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:4.514
And I prepare Tails for memory erasure tests 0.249
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.796
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.139 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 3.459
After features/support/hooks.rb:108 0.012