Project Number Date
test_Tails_ISO_devel 3779 11 Apr 2025, 16:47

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 11:5.526 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
23.418
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.035
And I prepare Tails for memory erasure tests 0.357
When I start a process allocating 128 MiB of memory with a known pattern 2.433
Then patterns cover at least 128 MiB in the guest's memory 3.574 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.861
Then I find very few patterns in the guest's memory after 5 seconds 8.156 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.709
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.381
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.965
And I prepare Tails for memory erasure tests 0.391
And I find very few patterns in the guest's memory 3.179 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.685
Then patterns cover at least 99% of the test FS size in the guest's memory 3.394 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.561
Then I find very few patterns in the guest's memory after 3 seconds 6.203 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.624
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.990
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.971
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.102
Then I find very few patterns in the guest's memory 3.303 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.470
Then patterns cover at least 75% of the test FS size in the guest's memory 3.784 
Pattern coverage: 88.802% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.105
Then I find very few patterns in the guest's memory after 3 seconds 6.048 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.616
Then patterns cover at least 99% of the test FS size in the guest's memory 3.389 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.679
Then I find very few patterns in the guest's memory after 3 seconds 6.809 
Pattern coverage: 0.001% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.704
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.157
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.104
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.780
Then I find very few patterns in the guest's memory 2.764 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.648
Then patterns cover at least 99% of the test FS size in the guest's memory 3.033 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.704
Then I find very few patterns in the guest's memory after 3 seconds 5.738 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 4.429
And I read the content of the test FS 0.425
Then patterns cover at least 99% of the test FS size in the guest's memory 2.994 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.581
Then I find very few patterns in the guest's memory after 3 seconds 5.571 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.829
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.492
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.230
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 17.651
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.782
Then patterns cover at least 128 MiB in the guest's memory 2.568 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.813 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.488
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.085
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:39.290
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.036
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.282 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.506
After features/support/hooks.rb:100 0.027