Project Number Date
test_Tails_ISO_devel 4578 31 Aug 2026, 11:16

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 7:40.970 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
20.278
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 6.731
And I prepare Tails for memory erasure tests 0.363
When I start a process allocating 128 MiB of memory with a known pattern 2.293
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.019 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.202
Then I find very few patterns in the guest's memory after 5 seconds 7.668 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 1.223
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.676
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.339
And I prepare Tails for memory erasure tests 0.474
And I find very few patterns in the guest's memory 2.753 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.736
Then patterns cover at least 99% of the test FS size in the guest's memory 2.659 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.503
Then I find very few patterns in the guest's memory after 3 seconds 6.210 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:339 0.590
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.022
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 6.666
And I prepare Tails for memory erasure tests 0.314
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.300
Then I find very few patterns in the guest's memory 2.853 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.786
Then patterns cover at least 75% of the test FS size in the guest's memory 3.698 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.790
Then I find very few patterns in the guest's memory after 3 seconds 5.649 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 0.182
And I read the content of the test FS 0.654
Then patterns cover at least 99% of the test FS size in the guest's memory 2.870 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.476
Then I find very few patterns in the guest's memory after 3 seconds 5.778 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.952
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.627
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 6.503
And I prepare Tails for memory erasure tests 0.472
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.100
Then I find very few patterns in the guest's memory 3.060 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.262
Then patterns cover at least 99% of the test FS size in the guest's memory 2.812 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.543
Then I find very few patterns in the guest's memory after 3 seconds 5.457 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 3.912
And I read the content of the test FS 0.353
Then patterns cover at least 99% of the test FS size in the guest's memory 2.710 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.747
Then I find very few patterns in the guest's memory after 3 seconds 5.690 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.692
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.869
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 6.515
And I prepare Tails for memory erasure tests 0.300
When I fill a 128 MiB file with a known pattern on the root filesystem 12.586
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.448
Then patterns cover at least 128 MiB in the guest's memory 2.327 
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 20.686 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 3.680
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:32.495
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:1.228
And I prepare Tails for memory erasure tests 0.276
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.812
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.169 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 3.704
After features/support/hooks.rb:108 0.010