Project Number Date
test_Tails_ISO_stable 6080 20 Jan 2026, 08:20

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 7:13.420 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
18.437
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 6.699
And I prepare Tails for memory erasure tests 0.338
When I start a process allocating 128 MiB of memory with a known pattern 2.205
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.952 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.337
Then I find very few patterns in the guest's memory after 5 seconds 6.904 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:331 0.782
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.777
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 6.704
And I prepare Tails for memory erasure tests 0.352
And I find very few patterns in the guest's memory 1.815 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.991
Then patterns cover at least 99% of the test FS size in the guest's memory 2.190 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.761
Then I find very few patterns in the guest's memory after 3 seconds 4.960 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:331 1.011
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.427
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 6.485
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.162
Then I find very few patterns in the guest's memory 2.307 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.592
Then patterns cover at least 75% of the test FS size in the guest's memory 2.201 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.996
Then I find very few patterns in the guest's memory after 3 seconds 4.706 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 0.131
And I read the content of the test FS 0.429
Then patterns cover at least 99% of the test FS size in the guest's memory 1.838 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.310
Then I find very few patterns in the guest's memory after 3 seconds 4.894 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:331 1.111
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.022
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 6.953
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.618
Then I find very few patterns in the guest's memory 1.564 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.019
Then patterns cover at least 99% of the test FS size in the guest's memory 1.834 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.523
Then I find very few patterns in the guest's memory after 3 seconds 4.792 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 3.257
And I read the content of the test FS 0.301
Then patterns cover at least 99% of the test FS size in the guest's memory 1.708 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.461
Then I find very few patterns in the guest's memory after 3 seconds 4.523 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:331 0.741
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.201
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 6.656
And I prepare Tails for memory erasure tests 0.319
When I fill a 128 MiB file with a known pattern on the root filesystem 13.480
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.683
Then patterns cover at least 128 MiB in the guest's memory 1.551 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.504 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:331 3.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:27.553
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 3:55.210
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.020
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.925 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
After features/support/hooks.rb:331 3.774
After features/support/hooks.rb:100 0.009