Project Number Date
test_Tails_ISO_stable 6578 13 Aug 2026, 18:41

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 7:27.633 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
19.991
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 6.334
And I prepare Tails for memory erasure tests 0.471
When I start a process allocating 128 MiB of memory with a known pattern 2.218
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.141 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.212
Then I find very few patterns in the guest's memory after 5 seconds 7.611 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.718
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.319
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 6.466
And I prepare Tails for memory erasure tests 0.512
And I find very few patterns in the guest's memory 2.431 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.603
Then patterns cover at least 99% of the test FS size in the guest's memory 3.090 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.378
Then I find very few patterns in the guest's memory after 3 seconds 5.837 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 0.967
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.635
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 6.966
And I prepare Tails for memory erasure tests 0.504
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.483
Then I find very few patterns in the guest's memory 2.823 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.662
Then patterns cover at least 75% of the test FS size in the guest's memory 3.153 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.733
Then I find very few patterns in the guest's memory after 3 seconds 5.858 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# read cache
When I mount the USB drive again 0.346
And I read the content of the test FS 0.628
Then patterns cover at least 99% of the test FS size in the guest's memory 4.323 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 5.663 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.609
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.767
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.620
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.416
Then I find very few patterns in the guest's memory 2.565 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.199
Then patterns cover at least 99% of the test FS size in the guest's memory 3.028 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.509
Then I find very few patterns in the guest's memory after 3 seconds 5.887 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
# read cache
When I mount the USB drive again 4.075
And I read the content of the test FS 0.324
Then patterns cover at least 99% of the test FS size in the guest's memory 2.691 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.452
Then I find very few patterns in the guest's memory after 3 seconds 5.554 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 1.047
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.647
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 6.556
And I prepare Tails for memory erasure tests 0.554
When I fill a 128 MiB file with a known pattern on the root filesystem 12.447
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.740
Then patterns cover at least 128 MiB in the guest's memory 2.463 
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 20.879 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 3.466
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:18.271
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:47.733
And I prepare Tails for memory erasure tests 0.279
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.182
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.071 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:339 3.484
After features/support/hooks.rb:108 0.009