Project Number Date
test_Tails_ISO_21373-poweroff-inhibit 31 18 Jun 2026, 20:12

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 7:53.421 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
17.947
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.042
Given I have started Tails from DVD without network and logged in 7.242
And I prepare Tails for memory erasure tests 0.355
When I start a process allocating 128 MiB of memory with a known pattern 1.240
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.178 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.210
Then I find very few patterns in the guest's memory after 5 seconds 6.720 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 0.869
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.109
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 7.112
And I prepare Tails for memory erasure tests 0.349
And I find very few patterns in the guest's memory 1.892 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.705
Then patterns cover at least 99% of the test FS size in the guest's memory 2.109 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.325
Then I find very few patterns in the guest's memory after 3 seconds 4.615 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 0.624
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.053
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 7.162
And I prepare Tails for memory erasure tests 0.367
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.560
Then I find very few patterns in the guest's memory 1.683 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.624
Then patterns cover at least 75% of the test FS size in the guest's memory 1.996 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.772
Then I find very few patterns in the guest's memory after 3 seconds 4.806 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.290
And I read the content of the test FS 0.470
Then patterns cover at least 99% of the test FS size in the guest's memory 2.079 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.386
Then I find very few patterns in the guest's memory after 3 seconds 4.850 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 0.743
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.637
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 7.002
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.998
Then I find very few patterns in the guest's memory 1.777 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.454
Then patterns cover at least 99% of the test FS size in the guest's memory 2.059 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.578
Then I find very few patterns in the guest's memory after 3 seconds 4.684 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# read cache
When I mount the USB drive again 4.074
And I read the content of the test FS 0.301
Then patterns cover at least 99% of the test FS size in the guest's memory 2.183 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 4.661 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:339 0.632
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.961
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 7.063
And I prepare Tails for memory erasure tests 0.324
When I fill a 128 MiB file with a known pattern on the root filesystem 24.253
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.234
Then patterns cover at least 128 MiB in the guest's memory 1.556 
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 20.523 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 3.880
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:50.713
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:8.896
And I prepare Tails for memory erasure tests 0.283
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.565
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.954 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:339 3.627
After features/support/hooks.rb:108 0.083