Project Number Date
test_Tails_ISO_7929-celluloid-flatpak 4 23 Apr 2026, 14:42

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 7:8.062 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
18.363
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.708
And I prepare Tails for memory erasure tests 0.369
When I start a process allocating 128 MiB of memory with a known pattern 2.208
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.931 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.197
Then I find very few patterns in the guest's memory after 5 seconds 6.947 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.951
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.570
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.600
And I prepare Tails for memory erasure tests 0.346
And I find very few patterns in the guest's memory 1.735 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.599
Then patterns cover at least 99% of the test FS size in the guest's memory 2.012 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.402
Then I find very few patterns in the guest's memory after 3 seconds 4.872 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
After features/support/hooks.rb:331 0.667
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.854
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.623
And I prepare Tails for memory erasure tests 0.332
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.142
Then I find very few patterns in the guest's memory 1.755 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.502
Then patterns cover at least 75% of the test FS size in the guest's memory 2.017 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.796
Then I find very few patterns in the guest's memory after 3 seconds 4.942 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 0.174
And I read the content of the test FS 0.419
Then patterns cover at least 99% of the test FS size in the guest's memory 1.881 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 4.827 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.902
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.434
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.489
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.436
Then I find very few patterns in the guest's memory 1.682 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.183
Then patterns cover at least 99% of the test FS size in the guest's memory 1.841 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory after 3 seconds 4.596 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 4.892
And I read the content of the test FS 0.300
Then patterns cover at least 99% of the test FS size in the guest's memory 1.867 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 4.736 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.930
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.733
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.600
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 12.193
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.520
Then patterns cover at least 128 MiB in the guest's memory 1.413 
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 20.539 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 3.829
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:19.106
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:47.552
And I prepare Tails for memory erasure tests 0.290
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.110
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.148 
Pattern coverage: 0.000% (0 MiB out of 1554 MiB reference memory)
After features/support/hooks.rb:331 3.699
After features/support/hooks.rb:100 0.016