Project Number Date
test_Tails_ISO_21810-tca-vs-empty-bridge-strings 10 13 Oct 2026, 21:59

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 8:17.147 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
26.607
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 6.668
And I prepare Tails for memory erasure tests 0.307
When I start a process allocating 128 MiB of memory with a known pattern 2.281
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 6.535 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.207
Then I find very few patterns in the guest's memory after 5 seconds 10.607 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.656
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
27.300
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 6.460
And I prepare Tails for memory erasure tests 0.281
And I find very few patterns in the guest's memory 5.160 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.746
Then patterns cover at least 99% of the test FS size in the guest's memory 5.337 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.480
Then I find very few patterns in the guest's memory after 3 seconds 7.833 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.925
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.623
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 6.593
And I prepare Tails for memory erasure tests 0.341
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.473
Then I find very few patterns in the guest's memory 3.690 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.720
Then patterns cover at least 75% of the test FS size in the guest's memory 3.903 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.787
Then I find very few patterns in the guest's memory after 3 seconds 6.083 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# read cache
When I mount the USB drive again 0.215
And I read the content of the test FS 0.581
Then patterns cover at least 99% of the test FS size in the guest's memory 3.118 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 5.679 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 0.633
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:10.993
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 6.675
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.188
Then I find very few patterns in the guest's memory 2.623 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.144
Then patterns cover at least 99% of the test FS size in the guest's memory 4.376 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory after 3 seconds 8.970 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 4.070
And I read the content of the test FS 0.320
Then patterns cover at least 99% of the test FS size in the guest's memory 4.848 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.505
Then I find very few patterns in the guest's memory after 3 seconds 7.383 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.775
After features/support/hooks.rb:108 0.007
Tags: @product @slow @not_release_blocker
46.016
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 6.622
And I prepare Tails for memory erasure tests 0.295
When I fill a 128 MiB file with a known pattern on the root filesystem 12.386
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.712
Then patterns cover at least 128 MiB in the guest's memory 3.928 
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 21.063 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 3.541
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:46.605
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 4:15.744
And I prepare Tails for memory erasure tests 0.235
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.253
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.366 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 3.654
After features/support/hooks.rb:108 0.017