Project Number Date
test_Tails_ISO_21651-persist-gnome-software-based-on-17367 6 10 Aug 2026, 09:09

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 7:25.264 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
20.067
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 6.267
And I prepare Tails for memory erasure tests 0.355
When I start a process allocating 128 MiB of memory with a known pattern 2.207
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.942 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.768
Then I find very few patterns in the guest's memory after 5 seconds 7.525 
Pattern coverage: 0.000% (0 MiB out of 1436 MiB reference memory)
After features/support/hooks.rb:339 0.698
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.952
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 6.249
And I prepare Tails for memory erasure tests 0.378
And I find very few patterns in the guest's memory 2.686 
Pattern coverage: 0.000% (0 MiB out of 1436 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.681
Then patterns cover at least 99% of the test FS size in the guest's memory 2.861 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.435
Then I find very few patterns in the guest's memory after 3 seconds 5.659 
Pattern coverage: 0.000% (0 MiB out of 1436 MiB reference memory)
After features/support/hooks.rb:339 0.780
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.621
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 6.246
And I prepare Tails for memory erasure tests 0.338
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.392
Then I find very few patterns in the guest's memory 2.844 
Pattern coverage: 0.000% (0 MiB out of 1436 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.680
Then patterns cover at least 75% of the test FS size in the guest's memory 2.853 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.681
Then I find very few patterns in the guest's memory after 3 seconds 5.757 
Pattern coverage: 0.000% (0 MiB out of 1436 MiB reference memory)
# read cache
When I mount the USB drive again 0.228
And I read the content of the test FS 0.509
Then patterns cover at least 99% of the test FS size in the guest's memory 2.884 
Pattern coverage: 100.000% (127 MiB out of 127 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 5.779 
Pattern coverage: 0.000% (0 MiB out of 1436 MiB reference memory)
After features/support/hooks.rb:339 0.679
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.352
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.325
And I prepare Tails for memory erasure tests 0.291
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.376
Then I find very few patterns in the guest's memory 2.533 
Pattern coverage: 0.000% (0 MiB out of 1436 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.315
Then patterns cover at least 99% of the test FS size in the guest's memory 2.719 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 5.283 
Pattern coverage: 0.000% (0 MiB out of 1436 MiB reference memory)
# read cache
When I mount the USB drive again 4.097
And I read the content of the test FS 0.434
Then patterns cover at least 99% of the test FS size in the guest's memory 2.522 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.483
Then I find very few patterns in the guest's memory after 3 seconds 5.501 
Pattern coverage: 0.000% (0 MiB out of 1436 MiB reference memory)
After features/support/hooks.rb:339 0.889
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.391
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 6.206
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 12.512
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.676
Then patterns cover at least 128 MiB in the guest's memory 1.994 
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 20.683 
Pattern coverage: 0.000% (0 MiB out of 1434 MiB reference memory)
After features/support/hooks.rb:339 3.625
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:23.879
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 3:53.100
And I prepare Tails for memory erasure tests 0.238
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.340
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.188 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 3.860
After features/support/hooks.rb:108 0.009