Project Number Date
test_Tails_ISO_stable 6204 15 Mar 2026, 11:13

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 7:38.000 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
19.051
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 7.044
And I prepare Tails for memory erasure tests 0.471
When I start a process allocating 128 MiB of memory with a known pattern 2.266
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.127 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.203
Then I find very few patterns in the guest's memory after 5 seconds 6.937 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 0.742
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.540
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 7.067
And I prepare Tails for memory erasure tests 0.362
And I find very few patterns in the guest's memory 2.183 
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 2.350
Then patterns cover at least 99% of the test FS size in the guest's memory 2.027 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.692
Then I find very few patterns in the guest's memory after 3 seconds 4.856 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.881
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 7.117
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.546
Then I find very few patterns in the guest's memory 1.877 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.620
Then patterns cover at least 75% of the test FS size in the guest's memory 2.073 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.114
Then I find very few patterns in the guest's memory after 3 seconds 5.078 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 0.201
And I read the content of the test FS 0.466
Then patterns cover at least 99% of the test FS size in the guest's memory 2.128 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.322
Then I find very few patterns in the guest's memory after 3 seconds 4.858 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 0.972
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.965
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 7.320
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.995
Then I find very few patterns in the guest's memory 1.838 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.482
Then patterns cover at least 99% of the test FS size in the guest's memory 2.137 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.655
Then I find very few patterns in the guest's memory after 3 seconds 4.927 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 3.984
And I read the content of the test FS 0.292
Then patterns cover at least 99% of the test FS size in the guest's memory 1.800 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.357
Then I find very few patterns in the guest's memory after 3 seconds 4.725 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 1.131
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.776
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 6.870
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 13.434
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.746
Then patterns cover at least 128 MiB in the guest's memory 1.673 
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 20.623 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 3.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:35.784
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 4:3.478
And I prepare Tails for memory erasure tests 0.357
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.794
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.149 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.606
After features/support/hooks.rb:100 0.029