Project Number Date
test_Tails_ISO_21810-tca-vs-empty-bridge-strings 11 14 Oct 2026, 21:46

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 7:7.220 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
20.165
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.202
And I prepare Tails for memory erasure tests 0.299
When I start a process allocating 128 MiB of memory with a known pattern 2.236
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.965 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.743
Then I find very few patterns in the guest's memory after 5 seconds 7.718 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.558
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.665
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.162
And I prepare Tails for memory erasure tests 0.304
And I find very few patterns in the guest's memory 2.670 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.670
Then patterns cover at least 99% of the test FS size in the guest's memory 2.809 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.434
Then I find very few patterns in the guest's memory after 3 seconds 5.614 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 0.598
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.829
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.170
And I prepare Tails for memory erasure tests 0.296
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.217
Then I find very few patterns in the guest's memory 2.605 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.701
Then patterns cover at least 75% of the test FS size in the guest's memory 2.988 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.731
Then I find very few patterns in the guest's memory after 3 seconds 5.486 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 0.154
And I read the content of the test FS 0.532
Then patterns cover at least 99% of the test FS size in the guest's memory 2.865 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.430
Then I find very few patterns in the guest's memory after 3 seconds 5.647 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.878
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.919
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.258
And I prepare Tails for memory erasure tests 0.299
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.658
Then I find very few patterns in the guest's memory 2.571 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.154
Then patterns cover at least 99% of the test FS size in the guest's memory 2.659 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.448
Then I find very few patterns in the guest's memory after 3 seconds 5.820 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# read cache
When I mount the USB drive again 4.291
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 2.677 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.400
Then I find very few patterns in the guest's memory after 3 seconds 5.363 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
After features/support/hooks.rb:339 0.816
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
41.986
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.202
And I prepare Tails for memory erasure tests 0.314
When I fill a 128 MiB file with a known pattern on the root filesystem 11.276
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.306
Then patterns cover at least 128 MiB in the guest's memory 2.158 
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 20.722 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
After features/support/hooks.rb:339 3.557
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:9.654
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:38.920
And I prepare Tails for memory erasure tests 0.292
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.321
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.115 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
After features/support/hooks.rb:339 3.539
After features/support/hooks.rb:108 0.008