Project Number Date
test_Tails_ISO_stable 5743 27 Jun 2025, 00:05

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 16:47.737 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
35.774
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 14.391
And I prepare Tails for memory erasure tests 0.670
When I start a process allocating 128 MiB of memory with a known pattern 1.492
Then patterns cover at least 128 MiB in the guest's memory 4.203 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.946
Then I find very few patterns in the guest's memory after 5 seconds 14.069 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 1.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
40.054
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 16.724
And I prepare Tails for memory erasure tests 0.921
And I find very few patterns in the guest's memory 5.956 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.826
Then patterns cover at least 99% of the test FS size in the guest's memory 4.347 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.405
Then I find very few patterns in the guest's memory after 3 seconds 9.871 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.597
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.128
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 9.410
And I prepare Tails for memory erasure tests 1.618
When I plug and mount a 128 MiB USB drive with a vfat filesystem 14.354
Then I find very few patterns in the guest's memory 5.969 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.115
Then patterns cover at least 75% of the test FS size in the guest's memory 4.650 
Pattern coverage: 86.610% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.991
Then I find very few patterns in the guest's memory after 3 seconds 6.926 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.888
And I read the content of the test FS 2.018
Then patterns cover at least 99% of the test FS size in the guest's memory 6.934 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.695
Then I find very few patterns in the guest's memory after 3 seconds 6.556 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.648
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:12.712
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 15.431
And I prepare Tails for memory erasure tests 0.507
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:14.988
Then I find very few patterns in the guest's memory 2.818 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.762
Then patterns cover at least 99% of the test FS size in the guest's memory 3.108 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.915
Then I find very few patterns in the guest's memory after 3 seconds 12.012 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 5.074
And I read the content of the test FS 0.636
Then patterns cover at least 99% of the test FS size in the guest's memory 7.551 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.511
Then I find very few patterns in the guest's memory after 3 seconds 6.393 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.902
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.701
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 14.432
And I prepare Tails for memory erasure tests 1.070
When I fill a 128 MiB file with a known pattern on the root filesystem 21.241
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.149
Then patterns cover at least 128 MiB in the guest's memory 2.828 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.075
Then I find very few patterns in the guest's memory after 20 seconds 20.903 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:330 4.024
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
11:10.366
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.033
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 10:16.611
And I prepare Tails for memory erasure tests 0.649
When I fill a 128 MiB file with a known pattern on the persistent filesystem 30.892
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.200 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.590
After features/support/hooks.rb:100 0.014