Project Number Date
test_Tails_ISO_stable 6222 23 Mar 2026, 11:23

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 7:36.184 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
18.769
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 6.831
And I prepare Tails for memory erasure tests 0.380
When I start a process allocating 128 MiB of memory with a known pattern 2.228
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.239 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.250
Then I find very few patterns in the guest's memory after 5 seconds 6.839 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 1.091
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.069
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 6.802
And I prepare Tails for memory erasure tests 0.507
And I find very few patterns in the guest's memory 1.904 
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 1.604
Then patterns cover at least 99% of the test FS size in the guest's memory 2.030 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.406
Then I find very few patterns in the guest's memory after 3 seconds 4.812 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.708
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.369
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 18.838
And I prepare Tails for memory erasure tests 0.373
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.472
Then I find very few patterns in the guest's memory 2.237 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.905
Then patterns cover at least 75% of the test FS size in the guest's memory 2.089 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.943
Then I find very few patterns in the guest's memory after 3 seconds 4.723 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 0.159
And I read the content of the test FS 0.452
Then patterns cover at least 99% of the test FS size in the guest's memory 1.905 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 4.820 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 0.978
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:3.150
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 6.817
And I prepare Tails for memory erasure tests 0.354
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.671
Then I find very few patterns in the guest's memory 1.887 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.571
Then patterns cover at least 99% of the test FS size in the guest's memory 2.127 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.636
Then I find very few patterns in the guest's memory after 3 seconds 4.745 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 4.585
And I read the content of the test FS 0.336
Then patterns cover at least 99% of the test FS size in the guest's memory 1.950 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 4.754 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 0.864
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.530
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 6.887
And I prepare Tails for memory erasure tests 0.376
When I fill a 128 MiB file with a known pattern on the root filesystem 14.060
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.226
Then patterns cover at least 128 MiB in the guest's memory 1.414 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.555 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 3.524
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:25.294
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 3:52.876
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.095
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.901 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 3.485
After features/support/hooks.rb:100 0.009