Project Number Date
test_Tails_ISO_post-7.15.1-release-process 1 23 Oct 2026, 16:14

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 7:39.032 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
19.608
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 6.212
And I prepare Tails for memory erasure tests 0.279
When I start a process allocating 128 MiB of memory with a known pattern 2.263
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.849 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.230
Then I find very few patterns in the guest's memory after 5 seconds 7.774 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.552
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.970
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 6.195
And I prepare Tails for memory erasure tests 0.304
And I find very few patterns in the guest's memory 3.048 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.573
Then patterns cover at least 99% of the test FS size in the guest's memory 2.897 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.394
Then I find very few patterns in the guest's memory after 3 seconds 5.557 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.747
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.140
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 6.216
And I prepare Tails for memory erasure tests 0.306
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.662
Then I find very few patterns in the guest's memory 2.782 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.564
Then patterns cover at least 75% of the test FS size in the guest's memory 3.687 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.621
Then I find very few patterns in the guest's memory after 3 seconds 6.438 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# read cache
When I mount the USB drive again 0.160
And I read the content of the test FS 0.684
Then patterns cover at least 99% of the test FS size in the guest's memory 2.861 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.395
Then I find very few patterns in the guest's memory after 3 seconds 5.757 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.544
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:6.686
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 6.285
And I prepare Tails for memory erasure tests 0.314
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.913
Then I find very few patterns in the guest's memory 2.474 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.070
Then patterns cover at least 99% of the test FS size in the guest's memory 2.720 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.548
Then I find very few patterns in the guest's memory after 3 seconds 5.517 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# read cache
When I mount the USB drive again 4.070
And I read the content of the test FS 0.337
Then patterns cover at least 99% of the test FS size in the guest's memory 2.681 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.420
Then I find very few patterns in the guest's memory after 3 seconds 7.330 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 0.616
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
46.407
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 6.681
And I prepare Tails for memory erasure tests 0.290
When I fill a 128 MiB file with a known pattern on the root filesystem 13.496
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.537
Then patterns cover at least 128 MiB in the guest's memory 3.482 
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 20.912 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 3.660
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:28.219
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 3:56.915
And I prepare Tails for memory erasure tests 0.343
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.855
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.100 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 3.874
After features/support/hooks.rb:108 0.011