Project Number Date
test_Tails_ISO_21348-migrate-away-from-sysadmin-team-container-images 5 18 Jun 2026, 17:33

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 7:35.592 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
17.844
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.023
Given I have started Tails from DVD without network and logged in 6.947
And I prepare Tails for memory erasure tests 0.361
When I start a process allocating 128 MiB of memory with a known pattern 1.119
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.934 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.564
Then I find very few patterns in the guest's memory after 5 seconds 6.916 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 1.093
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.499
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 7.252
And I prepare Tails for memory erasure tests 0.378
And I find very few patterns in the guest's memory 1.718 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.701
Then patterns cover at least 99% of the test FS size in the guest's memory 2.168 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.337
Then I find very few patterns in the guest's memory after 3 seconds 4.943 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 0.765
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
34.007
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 7.300
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.404
Then I find very few patterns in the guest's memory 2.019 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.782
Then patterns cover at least 75% of the test FS size in the guest's memory 2.259 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.787
Then I find very few patterns in the guest's memory after 3 seconds 4.963 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 0.174
And I read the content of the test FS 0.550
Then patterns cover at least 99% of the test FS size in the guest's memory 2.022 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.338
Then I find very few patterns in the guest's memory after 3 seconds 5.003 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.803
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.195
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 7.237
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.622
Then I find very few patterns in the guest's memory 1.733 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.450
Then patterns cover at least 99% of the test FS size in the guest's memory 1.875 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 4.800 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# read cache
When I mount the USB drive again 4.123
And I read the content of the test FS 0.406
Then patterns cover at least 99% of the test FS size in the guest's memory 1.975 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.414
Then I find very few patterns in the guest's memory after 3 seconds 4.700 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.563
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.733
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.009
Given I have started Tails from DVD without network and logged in 6.999
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the root filesystem 24.358
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.820
Then patterns cover at least 128 MiB in the guest's memory 1.602 
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 20.539 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 4.047
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:32.311
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.011
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:55.815
And I prepare Tails for memory erasure tests 0.327
When I fill a 128 MiB file with a known pattern on the persistent filesystem 15.268
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.894 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:339 3.484
After features/support/hooks.rb:108 0.040