Project Number Date
test_Tails_ISO_stable 6729 08 Oct 2026, 07:33

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 7:39.336 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
24.126
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 6.199
And I prepare Tails for memory erasure tests 0.256
When I start a process allocating 128 MiB of memory with a known pattern 2.191
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 4.869 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.783
Then I find very few patterns in the guest's memory after 5 seconds 9.826 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.585
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
27.004
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 6.268
And I prepare Tails for memory erasure tests 0.451
And I find very few patterns in the guest's memory 4.842 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.657
Then patterns cover at least 99% of the test FS size in the guest's memory 4.787 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.541
Then I find very few patterns in the guest's memory after 3 seconds 8.454 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.746
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.871
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 6.455
And I prepare Tails for memory erasure tests 0.357
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.319
Then I find very few patterns in the guest's memory 3.301 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.945
Then patterns cover at least 75% of the test FS size in the guest's memory 4.165 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.798
Then I find very few patterns in the guest's memory after 3 seconds 5.724 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 0.176
And I read the content of the test FS 0.628
Then patterns cover at least 99% of the test FS size in the guest's memory 2.877 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.527
Then I find very few patterns in the guest's memory after 3 seconds 6.592 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.852
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.566
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 6.294
And I prepare Tails for memory erasure tests 0.323
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.114
Then I find very few patterns in the guest's memory 2.647 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.323
Then patterns cover at least 99% of the test FS size in the guest's memory 2.702 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.591
Then I find very few patterns in the guest's memory after 3 seconds 5.455 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# read cache
When I mount the USB drive again 3.816
And I read the content of the test FS 0.326
Then patterns cover at least 99% of the test FS size in the guest's memory 2.774 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.516
Then I find very few patterns in the guest's memory after 3 seconds 5.679 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 0.704
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.796
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 6.294
And I prepare Tails for memory erasure tests 0.270
When I fill a 128 MiB file with a known pattern on the root filesystem 12.689
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.595
Then patterns cover at least 128 MiB in the guest's memory 2.194 
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 20.746 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 3.750
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.970
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 3:49.737
And I prepare Tails for memory erasure tests 0.271
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.893
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.063 
Pattern coverage: 0.000% (0 MiB out of 1449 MiB reference memory)
After features/support/hooks.rb:339 3.695
After features/support/hooks.rb:108 0.009