Project Number Date
test_Tails_ISO_21615-debian-security-updates-supersede-custom-packages 1 25 May 2026, 15:09

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 7:28.423 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
17.411
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 6.730
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 1.158
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.897 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.188
Then I find very few patterns in the guest's memory after 5 seconds 6.982 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:335 0.882
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.618
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 6.911
And I prepare Tails for memory erasure tests 0.415
And I find very few patterns in the guest's memory 1.793 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.521
Then patterns cover at least 99% of the test FS size in the guest's memory 1.918 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.325
Then I find very few patterns in the guest's memory after 3 seconds 4.731 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:335 0.800
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
31.942
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 6.821
And I prepare Tails for memory erasure tests 0.477
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.258
Then I find very few patterns in the guest's memory 1.718 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.553
Then patterns cover at least 75% of the test FS size in the guest's memory 2.003 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 4.790 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 0.169
And I read the content of the test FS 0.462
Then patterns cover at least 99% of the test FS size in the guest's memory 2.005 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.315
Then I find very few patterns in the guest's memory after 3 seconds 4.694 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:335 0.821
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
56.799
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 6.561
And I prepare Tails for memory erasure tests 0.737
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.808
Then I find very few patterns in the guest's memory 1.610 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.220
Then patterns cover at least 99% of the test FS size in the guest's memory 1.729 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.442
Then I find very few patterns in the guest's memory after 3 seconds 4.586 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 3.970
And I read the content of the test FS 0.274
Then patterns cover at least 99% of the test FS size in the guest's memory 1.804 
Pattern coverage: 106.115% (97 MiB out of 91 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 4.633 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:335 0.981
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
53.534
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 6.535
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the root filesystem 22.480
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.880
Then patterns cover at least 128 MiB in the guest's memory 1.643 
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 20.520 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:335 3.510
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:31.116
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 3:51.152
And I prepare Tails for memory erasure tests 0.490
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.585
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.881 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:335 3.765
After features/support/hooks.rb:104 0.010