Project Number Date
test_Tails_ISO_devel 4335 11 Apr 2026, 11:29

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 7:32.437 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
18.359
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.678
And I prepare Tails for memory erasure tests 0.392
When I start a process allocating 128 MiB of memory with a known pattern 1.256
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.374 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.702
Then I find very few patterns in the guest's memory after 5 seconds 6.955 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.973
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.623
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.750
And I prepare Tails for memory erasure tests 0.470
And I find very few patterns in the guest's memory 1.834 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.366
Then patterns cover at least 99% of the test FS size in the guest's memory 2.197 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.301
Then I find very few patterns in the guest's memory after 3 seconds 4.704 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 0.790
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.052
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.750
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.582
Then I find very few patterns in the guest's memory 2.148 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.215
Then patterns cover at least 75% of the test FS size in the guest's memory 2.108 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.888
Then I find very few patterns in the guest's memory after 3 seconds 4.674 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.423
Then patterns cover at least 99% of the test FS size in the guest's memory 2.139 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 4.970 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.863
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.705
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 6.886
And I prepare Tails for memory erasure tests 0.542
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.088
Then I find very few patterns in the guest's memory 1.864 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.491
Then patterns cover at least 99% of the test FS size in the guest's memory 1.902 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.476
Then I find very few patterns in the guest's memory after 3 seconds 4.795 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# read cache
When I mount the USB drive again 3.993
And I read the content of the test FS 0.330
Then patterns cover at least 99% of the test FS size in the guest's memory 2.028 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.511
Then I find very few patterns in the guest's memory after 3 seconds 4.795 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 0.832
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.729
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.782
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the root filesystem 12.834
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 11.443
Then patterns cover at least 128 MiB in the guest's memory 1.643 
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 20.540 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.871
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:24.966
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:52.796
And I prepare Tails for memory erasure tests 0.342
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.891
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.930 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 3.761
After features/support/hooks.rb:100 0.011