Project Number Date
test_Tails_ISO_stable 6114 03 Feb 2026, 08:09

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 8:28.554 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
18.277
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 6.573
And I prepare Tails for memory erasure tests 0.474
When I start a process allocating 128 MiB of memory with a known pattern 2.174
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.975 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.302
Then I find very few patterns in the guest's memory after 5 seconds 6.777 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 1.215
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.591
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 6.503
And I prepare Tails for memory erasure tests 0.430
And I find very few patterns in the guest's memory 1.655 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.444
Then patterns cover at least 99% of the test FS size in the guest's memory 1.951 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.850
Then I find very few patterns in the guest's memory after 3 seconds 4.755 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.384
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 6.479
And I prepare Tails for memory erasure tests 0.343
When I plug and mount a 128 MiB USB drive with a vfat filesystem 4.972
Then I find very few patterns in the guest's memory 1.757 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.581
Then patterns cover at least 75% of the test FS size in the guest's memory 1.970 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.080
Then I find very few patterns in the guest's memory after 3 seconds 4.833 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 0.162
And I read the content of the test FS 0.419
Then patterns cover at least 99% of the test FS size in the guest's memory 1.836 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.268
Then I find very few patterns in the guest's memory after 3 seconds 4.675 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.974
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.216
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 6.722
And I prepare Tails for memory erasure tests 0.305
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.304
Then I find very few patterns in the guest's memory 1.625 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.079
Then patterns cover at least 99% of the test FS size in the guest's memory 1.833 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.569
Then I find very few patterns in the guest's memory after 3 seconds 4.584 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# read cache
When I mount the USB drive again 18.091
And I read the content of the test FS 0.291
Then patterns cover at least 99% of the test FS size in the guest's memory 1.733 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 4.598 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 0.774
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.980
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 6.389
And I prepare Tails for memory erasure tests 0.384
When I fill a 128 MiB file with a known pattern on the root filesystem 13.730
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.645
Then patterns cover at least 128 MiB in the guest's memory 1.362 
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 20.461 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.654
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
5:21.104
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 4:49.814
And I prepare Tails for memory erasure tests 0.273
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.066
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.944 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 3.511
After features/support/hooks.rb:100 0.009