Project Number Date
test_Tails_ISO_stable 6123 05 Feb 2026, 15:22

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 14:42.850 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
49.981
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 8.636
And I prepare Tails for memory erasure tests 0.472
When I start a process allocating 128 MiB of memory with a known pattern 2.346
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 18.471 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.247
Then I find very few patterns in the guest's memory after 5 seconds 19.807 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 1.346
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.202
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 8.882
And I prepare Tails for memory erasure tests 0.486
And I find very few patterns in the guest's memory 14.797 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.687
Then patterns cover at least 99% of the test FS size in the guest's memory 16.318 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.356
Then I find very few patterns in the guest's memory after 3 seconds 17.672 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 1.016
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:3.066
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 8.356
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.993
Then I find very few patterns in the guest's memory 18.141 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.731
Then patterns cover at least 75% of the test FS size in the guest's memory 20.369 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.735
Then I find very few patterns in the guest's memory after 3 seconds 42.678 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 0.180
And I read the content of the test FS 0.893
Then patterns cover at least 99% of the test FS size in the guest's memory 35.592 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.546
Then I find very few patterns in the guest's memory after 3 seconds 43.399 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 1.239
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:19.213
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 8.930
And I prepare Tails for memory erasure tests 0.623
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.048
Then I find very few patterns in the guest's memory 20.790 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.605
Then patterns cover at least 99% of the test FS size in the guest's memory 13.831 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 16.440 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 5.429
And I read the content of the test FS 0.587
Then patterns cover at least 99% of the test FS size in the guest's memory 14.219 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.541
Then I find very few patterns in the guest's memory after 3 seconds 16.495 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.736
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.528
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 8.624
And I prepare Tails for memory erasure tests 0.521
When I fill a 128 MiB file with a known pattern on the root filesystem 12.040
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.313
Then patterns cover at least 128 MiB in the guest's memory 10.053 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 22.963 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 3.707
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:31.858
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 5:58.413
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.795
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 24.252 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
After features/support/hooks.rb:331 4.002
After features/support/hooks.rb:100 0.016