Project Number Date
test_Tails_ISO_21810-tca-vs-empty-bridge-strings 8 11 Oct 2026, 21:52

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 7:54.411 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
19.558
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 6.173
And I prepare Tails for memory erasure tests 0.276
When I start a process allocating 128 MiB of memory with a known pattern 2.296
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.867 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.235
Then I find very few patterns in the guest's memory after 5 seconds 7.709 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
After features/support/hooks.rb:339 0.611
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.498
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 6.145
And I prepare Tails for memory erasure tests 0.303
And I find very few patterns in the guest's memory 3.354 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.409
Then patterns cover at least 99% of the test FS size in the guest's memory 3.102 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.363
Then I find very few patterns in the guest's memory after 3 seconds 5.819 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 0.657
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
49.109
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 18.191
And I prepare Tails for memory erasure tests 0.296
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.235
Then I find very few patterns in the guest's memory 3.320 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.602
Then patterns cover at least 75% of the test FS size in the guest's memory 2.957 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.624
Then I find very few patterns in the guest's memory after 3 seconds 5.821 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# read cache
When I mount the USB drive again 0.180
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 2.862 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 6.083 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.647
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.089
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 6.312
And I prepare Tails for memory erasure tests 0.330
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.196
Then I find very few patterns in the guest's memory 2.792 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.311
Then patterns cover at least 99% of the test FS size in the guest's memory 2.856 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory after 3 seconds 5.506 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 3.490
And I read the content of the test FS 0.382
Then patterns cover at least 99% of the test FS size in the guest's memory 2.571 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.423
Then I find very few patterns in the guest's memory after 3 seconds 5.383 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.597
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:7.649
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 29.887
And I prepare Tails for memory erasure tests 0.357
When I fill a 128 MiB file with a known pattern on the root filesystem 12.885
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.558
Then patterns cover at least 128 MiB in the guest's memory 2.195 
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 20.759 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
After features/support/hooks.rb:339 3.360
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:16.506
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:45.490
And I prepare Tails for memory erasure tests 0.258
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.659
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.091 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 3.672
After features/support/hooks.rb:108 0.012