Project Number Date
test_Tails_ISO_fix-tca-wrapper-gettext 2 09 Jun 2026, 22:54

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 7:7.096 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
16.839
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 6.527
And I prepare Tails for memory erasure tests 0.343
When I start a process allocating 128 MiB of memory with a known pattern 1.143
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.907 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.204
Then I find very few patterns in the guest's memory after 5 seconds 6.712 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:335 0.994
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
16.819
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 6.524
And I prepare Tails for memory erasure tests 0.327
And I find very few patterns in the guest's memory 1.554 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.461
Then patterns cover at least 99% of the test FS size in the guest's memory 1.805 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.273
Then I find very few patterns in the guest's memory after 3 seconds 4.872 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:335 0.893
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
30.960
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 6.498
And I prepare Tails for memory erasure tests 0.304
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.122
Then I find very few patterns in the guest's memory 1.671 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.466
Then patterns cover at least 75% of the test FS size in the guest's memory 1.925 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory after 3 seconds 4.853 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 0.148
And I read the content of the test FS 0.423
Then patterns cover at least 99% of the test FS size in the guest's memory 1.910 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.347
Then I find very few patterns in the guest's memory after 3 seconds 4.635 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:335 0.775
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
56.021
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 6.362
And I prepare Tails for memory erasure tests 0.298
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.883
Then I find very few patterns in the guest's memory 1.666 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.461
Then patterns cover at least 99% of the test FS size in the guest's memory 1.821 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.507
Then I find very few patterns in the guest's memory after 3 seconds 4.667 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 4.120
And I read the content of the test FS 0.395
Then patterns cover at least 99% of the test FS size in the guest's memory 1.797 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.413
Then I find very few patterns in the guest's memory after 3 seconds 4.627 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:335 0.769
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
54.758
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 6.531
And I prepare Tails for memory erasure tests 0.323
When I fill a 128 MiB file with a known pattern on the root filesystem 24.151
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.872
Then patterns cover at least 128 MiB in the guest's memory 1.409 
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 20.462 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:335 3.816
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:11.697
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 3:33.112
And I prepare Tails for memory erasure tests 0.332
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.378
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.867 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:335 3.489
After features/support/hooks.rb:104 0.009