Project Number Date
test_Tails_ISO_21373-poweroff-inhibit 32 19 Jun 2026, 20:07

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 7:52.623 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
17.872
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 6.892
And I prepare Tails for memory erasure tests 0.356
When I start a process allocating 128 MiB of memory with a known pattern 1.154
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.361 
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 6.896 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 0.886
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.018
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.047
Given I have started Tails from DVD without network and logged in 6.850
And I prepare Tails for memory erasure tests 0.300
And I find very few patterns in the guest's memory 1.811 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.502
Then patterns cover at least 99% of the test FS size in the guest's memory 2.372 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.345
Then I find very few patterns in the guest's memory after 3 seconds 4.834 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:339 0.734
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.497
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 7.144
And I prepare Tails for memory erasure tests 0.356
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.530
Then I find very few patterns in the guest's memory 2.077 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.507
Then patterns cover at least 75% of the test FS size in the guest's memory 2.399 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.812
Then I find very few patterns in the guest's memory after 3 seconds 4.695 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# read cache
When I mount the USB drive again 0.157
And I read the content of the test FS 0.401
Then patterns cover at least 99% of the test FS size in the guest's memory 2.123 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.310
Then I find very few patterns in the guest's memory after 3 seconds 4.980 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 0.906
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.417
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 7.242
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.477
Then I find very few patterns in the guest's memory 1.696 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.363
Then patterns cover at least 99% of the test FS size in the guest's memory 1.869 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.559
Then I find very few patterns in the guest's memory after 3 seconds 4.735 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 3.807
And I read the content of the test FS 0.304
Then patterns cover at least 99% of the test FS size in the guest's memory 1.813 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 4.730 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.982
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.406
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 7.116
And I prepare Tails for memory erasure tests 0.316
When I fill a 128 MiB file with a known pattern on the root filesystem 23.759
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.984
Then patterns cover at least 128 MiB in the guest's memory 1.593 
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 20.630 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 3.959
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:50.411
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 4:12.890
And I prepare Tails for memory erasure tests 0.305
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.315
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.894 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 3.381
After features/support/hooks.rb:108 0.054