Project Number Date
test_Tails_ISO_devel 4543 12 Aug 2026, 07:40

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 7:15.153 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
19.814
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.260
And I prepare Tails for memory erasure tests 0.302
When I start a process allocating 128 MiB of memory with a known pattern 2.210
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.931 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.354
Then I find very few patterns in the guest's memory after 5 seconds 7.754 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.903
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.816
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.175
And I prepare Tails for memory erasure tests 0.326
And I find very few patterns in the guest's memory 2.671 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.344
Then patterns cover at least 99% of the test FS size in the guest's memory 3.241 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.362
Then I find very few patterns in the guest's memory after 3 seconds 5.695 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.851
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.431
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.199
And I prepare Tails for memory erasure tests 0.359
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.052
Then I find very few patterns in the guest's memory 2.903 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.792
Then patterns cover at least 75% of the test FS size in the guest's memory 3.088 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.640
Then I find very few patterns in the guest's memory after 3 seconds 5.929 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# read cache
When I mount the USB drive again 0.252
And I read the content of the test FS 0.614
Then patterns cover at least 99% of the test FS size in the guest's memory 3.437 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.473
Then I find very few patterns in the guest's memory after 3 seconds 5.688 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.819
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.009
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.477
And I prepare Tails for memory erasure tests 0.291
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.328
Then I find very few patterns in the guest's memory 2.667 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.104
Then patterns cover at least 99% of the test FS size in the guest's memory 2.731 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.430
Then I find very few patterns in the guest's memory after 3 seconds 5.654 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# read cache
When I mount the USB drive again 3.965
And I read the content of the test FS 0.411
Then patterns cover at least 99% of the test FS size in the guest's memory 2.908 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 5.587 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:339 0.700
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.269
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.165
And I prepare Tails for memory erasure tests 0.282
When I fill a 128 MiB file with a known pattern on the root filesystem 13.462
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.547
Then patterns cover at least 128 MiB in the guest's memory 2.104 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.700 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 3.794
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:11.811
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:41.110
And I prepare Tails for memory erasure tests 0.300
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.375
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.020 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 3.404
After features/support/hooks.rb:108 0.010