Project Number Date
test_Tails_ISO_stable 6198 12 Mar 2026, 23:23

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 7:27.332 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
18.605
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 6.699
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 2.212
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.163 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.164
Then I find very few patterns in the guest's memory after 5 seconds 6.947 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 0.643
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.865
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 6.531
And I prepare Tails for memory erasure tests 0.400
And I find very few patterns in the guest's memory 1.834 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.174
Then patterns cover at least 99% of the test FS size in the guest's memory 2.229 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.757
Then I find very few patterns in the guest's memory after 3 seconds 4.937 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.935
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.797
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 6.481
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.196
Then I find very few patterns in the guest's memory 2.011 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.854
Then patterns cover at least 75% of the test FS size in the guest's memory 2.169 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.072
Then I find very few patterns in the guest's memory after 3 seconds 4.817 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# read cache
When I mount the USB drive again 0.137
And I read the content of the test FS 0.438
Then patterns cover at least 99% of the test FS size in the guest's memory 2.021 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.306
Then I find very few patterns in the guest's memory after 3 seconds 4.907 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 0.983
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.851
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 0.302
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.469
Then I find very few patterns in the guest's memory 1.745 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.213
Then patterns cover at least 99% of the test FS size in the guest's memory 1.968 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.582
Then I find very few patterns in the guest's memory after 3 seconds 4.656 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# read cache
When I mount the USB drive again 3.635
And I read the content of the test FS 0.355
Then patterns cover at least 99% of the test FS size in the guest's memory 2.022 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory after 3 seconds 4.856 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 0.962
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
45.931
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 6.815
And I prepare Tails for memory erasure tests 0.383
When I fill a 128 MiB file with a known pattern on the root filesystem 14.300
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.997
Then patterns cover at least 128 MiB in the guest's memory 1.810 
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 20.618 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 3.682
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:32.280
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 3:59.842
And I prepare Tails for memory erasure tests 0.347
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.099
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.984 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 3.528
After features/support/hooks.rb:100 0.008