Project Number Date
test_Tails_ISO_devel 4239 18 Feb 2026, 09:22

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 7:19.264 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
18.296
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 6.498
And I prepare Tails for memory erasure tests 0.410
When I start a process allocating 128 MiB of memory with a known pattern 2.222
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.887 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.586
Then I find very few patterns in the guest's memory after 5 seconds 6.691 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 1.227
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.150
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 6.458
And I prepare Tails for memory erasure tests 0.406
And I find very few patterns in the guest's memory 1.781 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.813
Then patterns cover at least 99% of the test FS size in the guest's memory 1.945 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.964
Then I find very few patterns in the guest's memory after 3 seconds 4.779 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.794
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.704
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 6.523
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.090
Then I find very few patterns in the guest's memory 1.785 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.997
Then patterns cover at least 75% of the test FS size in the guest's memory 1.946 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.259
Then I find very few patterns in the guest's memory after 3 seconds 4.867 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# read cache
When I mount the USB drive again 0.180
And I read the content of the test FS 0.411
Then patterns cover at least 99% of the test FS size in the guest's memory 2.027 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 4.730 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 1.161
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.303
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 6.450
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.581
Then I find very few patterns in the guest's memory 1.648 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.830
Then patterns cover at least 99% of the test FS size in the guest's memory 1.704 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.681
Then I find very few patterns in the guest's memory after 3 seconds 4.757 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 15.258
And I read the content of the test FS 0.269
Then patterns cover at least 99% of the test FS size in the guest's memory 1.710 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory after 3 seconds 4.615 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 1.056
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.447
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 6.619
And I prepare Tails for memory erasure tests 0.487
When I fill a 128 MiB file with a known pattern on the root filesystem 13.538
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.821
Then patterns cover at least 128 MiB in the guest's memory 1.471 
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 20.502 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 3.594
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:12.361
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 3:41.557
And I prepare Tails for memory erasure tests 0.288
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.583
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.926 
Pattern coverage: 0.000% (0 MiB out of 1539 MiB reference memory)
After features/support/hooks.rb:331 3.407
After features/support/hooks.rb:100 0.008