Project Number Date
test_Tails_ISO_stable 6349 04 May 2026, 14:01

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 8:6.404 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
19.256
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 7.116
And I prepare Tails for memory erasure tests 0.460
When I start a process allocating 128 MiB of memory with a known pattern 2.262
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.085 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.193
Then I find very few patterns in the guest's memory after 5 seconds 7.137 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:331 1.316
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.851
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 7.239
And I prepare Tails for memory erasure tests 0.419
And I find very few patterns in the guest's memory 2.069 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.673
Then patterns cover at least 99% of the test FS size in the guest's memory 1.968 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.333
Then I find very few patterns in the guest's memory after 3 seconds 5.146 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:331 1.073
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.036
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 7.085
And I prepare Tails for memory erasure tests 0.374
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.539
Then I find very few patterns in the guest's memory 1.808 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.673
Then patterns cover at least 75% of the test FS size in the guest's memory 2.526 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.800
Then I find very few patterns in the guest's memory after 3 seconds 5.328 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 0.211
And I read the content of the test FS 0.552
Then patterns cover at least 99% of the test FS size in the guest's memory 2.126 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.355
Then I find very few patterns in the guest's memory after 3 seconds 4.653 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:331 0.824
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.883
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 6.903
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.421
Then I find very few patterns in the guest's memory 1.930 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.377
Then patterns cover at least 99% of the test FS size in the guest's memory 2.113 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.655
Then I find very few patterns in the guest's memory after 3 seconds 4.878 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# read cache
When I mount the USB drive again 4.533
And I read the content of the test FS 0.314
Then patterns cover at least 99% of the test FS size in the guest's memory 1.863 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.455
Then I find very few patterns in the guest's memory after 3 seconds 5.037 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:331 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.538
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 7.447
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the root filesystem 27.306
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.235
Then patterns cover at least 128 MiB in the guest's memory 1.620 
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 20.486 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:331 3.583
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:52.838
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:11.729
And I prepare Tails for memory erasure tests 0.376
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.715
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.011 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
After features/support/hooks.rb:331 3.454
After features/support/hooks.rb:100 0.011