Project Number Date
test_Tails_ISO_devel 4583 01 Sep 2026, 23:12

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 7:43.399 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
20.007
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.276
And I prepare Tails for memory erasure tests 0.394
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 2.991 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.253
Then I find very few patterns in the guest's memory after 5 seconds 7.917 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.732
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.185
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.562
And I prepare Tails for memory erasure tests 0.314
And I find very few patterns in the guest's memory 2.640 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.580
Then patterns cover at least 99% of the test FS size in the guest's memory 3.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.416
Then I find very few patterns in the guest's memory after 3 seconds 5.647 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 1.059
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.840
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.386
And I prepare Tails for memory erasure tests 0.313
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.087
Then I find very few patterns in the guest's memory 2.974 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.924
Then patterns cover at least 75% of the test FS size in the guest's memory 2.937 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 5.626 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# read cache
When I mount the USB drive again 0.201
And I read the content of the test FS 0.648
Then patterns cover at least 99% of the test FS size in the guest's memory 2.911 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.404
Then I find very few patterns in the guest's memory after 3 seconds 5.733 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.915
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.728
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.506
And I prepare Tails for memory erasure tests 0.307
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.936
Then I find very few patterns in the guest's memory 2.766 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.579
Then patterns cover at least 99% of the test FS size in the guest's memory 2.857 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.430
Then I find very few patterns in the guest's memory after 3 seconds 5.761 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# read cache
When I mount the USB drive again 4.641
And I read the content of the test FS 0.366
Then patterns cover at least 99% of the test FS size in the guest's memory 2.804 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.435
Then I find very few patterns in the guest's memory after 3 seconds 5.336 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.995
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.002
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.347
And I prepare Tails for memory erasure tests 0.361
When I fill a 128 MiB file with a known pattern on the root filesystem 12.900
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.437
Then patterns cover at least 128 MiB in the guest's memory 2.144 
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 20.807 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 3.572
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:36.633
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:4.176
And I prepare Tails for memory erasure tests 0.301
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.017
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.133 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:339 3.623
After features/support/hooks.rb:108 0.043