Project Number Date
test_Tails_ISO_stable 6442 12 Jun 2026, 11:41

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 7:16.714 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
16.852
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.011
Given I have started Tails from DVD without network and logged in 6.641
And I prepare Tails for memory erasure tests 0.329
When I start a process allocating 128 MiB of memory with a known pattern 1.147
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.848 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.202
Then I find very few patterns in the guest's memory after 5 seconds 6.682 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
After features/support/hooks.rb:339 0.965
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.110
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.012
Given I have started Tails from DVD without network and logged in 6.681
And I prepare Tails for memory erasure tests 0.370
And I find very few patterns in the guest's memory 1.645 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.526
Then patterns cover at least 99% of the test FS size in the guest's memory 1.833 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.289
Then I find very few patterns in the guest's memory after 3 seconds 4.763 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:339 0.643
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.472
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.719
And I prepare Tails for memory erasure tests 0.286
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.259
Then I find very few patterns in the guest's memory 1.659 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.476
Then patterns cover at least 75% of the test FS size in the guest's memory 2.046 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 4.716 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
# read cache
When I mount the USB drive again 0.173
And I read the content of the test FS 0.478
Then patterns cover at least 99% of the test FS size in the guest's memory 1.859 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.358
Then I find very few patterns in the guest's memory after 3 seconds 4.761 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
After features/support/hooks.rb:339 0.753
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.857
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.579
And I prepare Tails for memory erasure tests 0.335
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.677
Then I find very few patterns in the guest's memory 1.802 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.318
Then patterns cover at least 99% of the test FS size in the guest's memory 1.782 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.536
Then I find very few patterns in the guest's memory after 3 seconds 4.661 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# read cache
When I mount the USB drive again 4.150
And I read the content of the test FS 0.260
Then patterns cover at least 99% of the test FS size in the guest's memory 1.789 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory after 3 seconds 4.544 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:339 0.957
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
53.998
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.525
And I prepare Tails for memory erasure tests 0.318
When I fill a 128 MiB file with a known pattern on the root filesystem 22.894
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.255
Then patterns cover at least 128 MiB in the guest's memory 1.465 
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 20.534 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:339 3.561
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.423
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.011
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:41.553
And I prepare Tails for memory erasure tests 0.304
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.719
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.840 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 3.815
After features/support/hooks.rb:108 0.030