Project Number Date
test_Tails_ISO_21548-flatpak-install 5 15 May 2026, 14:25

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 7:50.075 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
18.435
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.008
Given I have started Tails from DVD without network and logged in 6.849
And I prepare Tails for memory erasure tests 0.354
When I start a process allocating 128 MiB of memory with a known pattern 1.223
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.556 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.225
Then I find very few patterns in the guest's memory after 5 seconds 7.226 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:335 0.862
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.288
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 6.740
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 1.753 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.637
Then patterns cover at least 99% of the test FS size in the guest's memory 2.189 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.373
Then I find very few patterns in the guest's memory after 3 seconds 5.154 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:335 0.955
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
33.881
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 6.929
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.406
Then I find very few patterns in the guest's memory 1.827 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.959
Then patterns cover at least 75% of the test FS size in the guest's memory 2.571 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.800
Then I find very few patterns in the guest's memory after 3 seconds 4.935 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 0.146
And I read the content of the test FS 0.513
Then patterns cover at least 99% of the test FS size in the guest's memory 2.102 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.356
Then I find very few patterns in the guest's memory after 3 seconds 4.938 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:335 0.924
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
57.891
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 6.617
And I prepare Tails for memory erasure tests 0.384
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.832
Then I find very few patterns in the guest's memory 1.807 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.527
Then patterns cover at least 99% of the test FS size in the guest's memory 1.838 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.473
Then I find very few patterns in the guest's memory after 3 seconds 4.840 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 4.004
And I read the content of the test FS 0.414
Then patterns cover at least 99% of the test FS size in the guest's memory 1.976 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 4.771 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:335 0.877
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
57.235
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 6.864
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 26.033
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.892
Then patterns cover at least 128 MiB in the guest's memory 1.456 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.512 
Pattern coverage: 0.000% (0 MiB out of 1451 MiB reference memory)
After features/support/hooks.rb:335 3.861
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:44.344
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:3.938
And I prepare Tails for memory erasure tests 0.353
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.953
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.091 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:335 3.472
After features/support/hooks.rb:104 0.010