Project Number Date
test_Tails_ISO_stable-flatpak 20 17 Sep 2026, 19:57

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 7:35.152 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
20.719
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 6.424
And I prepare Tails for memory erasure tests 0.351
When I start a process allocating 128 MiB of memory with a known pattern 2.253
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.853 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.207
Then I find very few patterns in the guest's memory after 5 seconds 8.629 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 1.028
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.359
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 6.650
And I prepare Tails for memory erasure tests 0.319
And I find very few patterns in the guest's memory 2.662 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.360
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" 0.341
Then I find very few patterns in the guest's memory after 3 seconds 6.001 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 0.880
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.453
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 6.836
And I prepare Tails for memory erasure tests 0.295
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.239
Then I find very few patterns in the guest's memory 2.823 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.801
Then patterns cover at least 75% of the test FS size in the guest's memory 3.341 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.605
Then I find very few patterns in the guest's memory after 3 seconds 5.776 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# read cache
When I mount the USB drive again 0.181
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 2.949 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 6.605 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.866
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.678
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 6.594
And I prepare Tails for memory erasure tests 0.297
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.895
Then I find very few patterns in the guest's memory 3.775 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.118
Then patterns cover at least 99% of the test FS size in the guest's memory 2.880 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory after 3 seconds 5.671 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# read cache
When I mount the USB drive again 3.378
And I read the content of the test FS 0.462
Then patterns cover at least 99% of the test FS size in the guest's memory 2.725 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.457
Then I find very few patterns in the guest's memory after 3 seconds 5.848 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.614
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.998
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.445
And I prepare Tails for memory erasure tests 0.312
When I fill a 128 MiB file with a known pattern on the root filesystem 12.368
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.660
Then patterns cover at least 128 MiB in the guest's memory 2.252 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.953 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 3.558
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:29.943
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:57.895
And I prepare Tails for memory erasure tests 0.258
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.656
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.128 
Pattern coverage: 0.000% (0 MiB out of 1441 MiB reference memory)
After features/support/hooks.rb:339 3.890
After features/support/hooks.rb:108 0.010