Project Number Date
test_Tails_ISO_7929-celluloid-flatpak 36 21 May 2026, 14:34

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 7:36.909 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
19.104
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails from DVD without network and logged in 6.686
And I prepare Tails for memory erasure tests 0.377
When I start a process allocating 128 MiB of memory with a known pattern 2.227
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.584 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.239
Then I find very few patterns in the guest's memory after 5 seconds 6.988 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:335 0.732
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.282
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.699
And I prepare Tails for memory erasure tests 0.366
And I find very few patterns in the guest's memory 1.780 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.762
Then patterns cover at least 99% of the test FS size in the guest's memory 2.345 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.442
Then I find very few patterns in the guest's memory after 3 seconds 4.885 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:335 1.036
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
34.249
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.716
And I prepare Tails for memory erasure tests 0.383
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.917
Then I find very few patterns in the guest's memory 1.994 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.836
Then patterns cover at least 75% of the test FS size in the guest's memory 2.415 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.782
Then I find very few patterns in the guest's memory after 3 seconds 4.765 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
# read cache
When I mount the USB drive again 0.200
And I read the content of the test FS 0.478
Then patterns cover at least 99% of the test FS size in the guest's memory 2.126 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.419
Then I find very few patterns in the guest's memory after 3 seconds 5.212 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:335 1.353
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
58.724
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.912
And I prepare Tails for memory erasure tests 0.321
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.375
Then I find very few patterns in the guest's memory 1.959 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.431
Then patterns cover at least 99% of the test FS size in the guest's memory 2.000 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.641
Then I find very few patterns in the guest's memory after 3 seconds 4.694 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 4.087
And I read the content of the test FS 0.316
Then patterns cover at least 99% of the test FS size in the guest's memory 1.812 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.364
Then I find very few patterns in the guest's memory after 3 seconds 4.808 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:335 1.095
After features/support/hooks.rb:104 0.003
Tags: @product @slow @not_release_blocker
54.702
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.010
Given I have started Tails from DVD without network and logged in 6.738
And I prepare Tails for memory erasure tests 0.349
When I fill a 128 MiB file with a known pattern on the root filesystem 23.622
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.678
Then patterns cover at least 128 MiB in the guest's memory 1.698 
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 20.608 
Pattern coverage: 0.000% (0 MiB out of 1450 MiB reference memory)
After features/support/hooks.rb:335 3.882
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:31.846
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:52.279
And I prepare Tails for memory erasure tests 0.323
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.281
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.957 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:335 3.922
After features/support/hooks.rb:104 0.016