Project Number Date
test_Tails_ISO_stable 5539 31 Mar 2025, 13:10

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 11:2.392 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
22.535
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 8.053
And I prepare Tails for memory erasure tests 0.678
When I start a process allocating 128 MiB of memory with a known pattern 1.274
Then patterns cover at least 128 MiB in the guest's memory 4.020 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.337
Then I find very few patterns in the guest's memory after 5 seconds 8.170 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.773
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.091
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 8.466
And I prepare Tails for memory erasure tests 0.699
And I find very few patterns in the guest's memory 3.136 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.963
Then patterns cover at least 99% of the test FS size in the guest's memory 3.233 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.454
Then I find very few patterns in the guest's memory after 3 seconds 6.136 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.537
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 8.254
And I prepare Tails for memory erasure tests 0.663
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.308
Then I find very few patterns in the guest's memory 3.725 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.407
Then patterns cover at least 75% of the test FS size in the guest's memory 4.376 
Pattern coverage: 88.064% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.029
Then I find very few patterns in the guest's memory after 3 seconds 6.707 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.228
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 4.005 
Pattern coverage: 100.596% (128 MiB out of 127 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 6.775 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.228
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.196
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.372
And I prepare Tails for memory erasure tests 0.662
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.261
Then I find very few patterns in the guest's memory 3.003 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.721
Then patterns cover at least 99% of the test FS size in the guest's memory 3.488 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.857
Then I find very few patterns in the guest's memory after 3 seconds 6.049 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 4.270
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 3.450 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.631
Then I find very few patterns in the guest's memory after 3 seconds 6.009 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.229
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.306
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 8.025
And I prepare Tails for memory erasure tests 0.647
When I fill a 128 MiB file with a known pattern on the root filesystem 13.858
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.884
Then patterns cover at least 128 MiB in the guest's memory 3.034 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.834 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.497
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.725
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 6:36.601
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.549
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.145 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.010