Project Number Date
test_Tails_ISO_21348-migrate-away-from-sysadmin-team-container-images 6 19 Jun 2026, 17:28

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 7:54.864 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
17.758
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.016
Given I have started Tails from DVD without network and logged in 6.987
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 1.160
# 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 0.513
Then I find very few patterns in the guest's memory after 5 seconds 6.729 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 1.034
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.421
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.016
Given I have started Tails from DVD without network and logged in 6.930
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 1.727 
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 1.565
Then patterns cover at least 99% of the test FS size in the guest's memory 1.829 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.304
Then I find very few patterns in the guest's memory after 3 seconds 4.662 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 0.825
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.882
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.016
Given I have started Tails from DVD without network and logged in 6.815
And I prepare Tails for memory erasure tests 0.347
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.278
Then I find very few patterns in the guest's memory 1.678 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.501
Then patterns cover at least 75% of the test FS size in the guest's memory 2.017 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory after 3 seconds 4.845 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 0.188
And I read the content of the test FS 0.489
Then patterns cover at least 99% of the test FS size in the guest's memory 1.951 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 4.686 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.892
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.207
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.016
Given I have started Tails from DVD without network and logged in 6.728
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.624
Then I find very few patterns in the guest's memory 1.591 
Pattern coverage: 0.000% (0 MiB out of 1491 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 1.819 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.534
Then I find very few patterns in the guest's memory after 3 seconds 4.487 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 3.574
And I read the content of the test FS 0.277
Then patterns cover at least 99% of the test FS size in the guest's memory 1.784 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory after 3 seconds 4.584 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:339 0.614
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
1:2.877
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.020
Given I have started Tails from DVD without network and logged in 6.872
And I prepare Tails for memory erasure tests 0.379
When I fill a 128 MiB file with a known pattern on the root filesystem 31.405
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.089
Then patterns cover at least 128 MiB in the guest's memory 1.544 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.025
Then I find very few patterns in the guest's memory after 20 seconds 20.561 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 3.693
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:49.716
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.016
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:6.252
And I prepare Tails for memory erasure tests 0.334
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.187
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.936 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:339 3.591
After features/support/hooks.rb:108 0.040