Project Number Date
test_Tails_ISO_stable 5691 01 Jun 2025, 12:25

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 11:19.482 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
23.357
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 7.945
And I prepare Tails for memory erasure tests 0.507
When I start a process allocating 128 MiB of memory with a known pattern 1.242
Then patterns cover at least 128 MiB in the guest's memory 3.970 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.827
Then I find very few patterns in the guest's memory after 5 seconds 8.864 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.775
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.287
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 8.261
And I prepare Tails for memory erasure tests 0.422
And I find very few patterns in the guest's memory 3.529 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.966
Then patterns cover at least 99% of the test FS size in the guest's memory 3.492 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.552
Then I find very few patterns in the guest's memory after 3 seconds 6.062 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.748
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.166
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 8.147
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.100
Then I find very few patterns in the guest's memory 3.359 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.960
Then patterns cover at least 75% of the test FS size in the guest's memory 3.619 
Pattern coverage: 84.216% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.971
Then I find very few patterns in the guest's memory after 3 seconds 6.370 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.250
And I read the content of the test FS 0.917
Then patterns cover at least 99% of the test FS size in the guest's memory 3.541 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory after 3 seconds 6.024 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.810
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.078
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 8.161
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.148
Then I find very few patterns in the guest's memory 2.769 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.574
Then patterns cover at least 99% of the test FS size in the guest's memory 3.052 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.766
Then I find very few patterns in the guest's memory after 3 seconds 6.253 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# read cache
When I mount the USB drive again 3.821
And I read the content of the test FS 0.888
Then patterns cover at least 99% of the test FS size in the guest's memory 3.114 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.500
Then I find very few patterns in the guest's memory after 3 seconds 5.553 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:330 2.567
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.501
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 8.137
And I prepare Tails for memory erasure tests 0.524
When I fill a 128 MiB file with a known pattern on the root filesystem 15.511
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.775
Then patterns cover at least 128 MiB in the guest's memory 2.756 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.776 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.495
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.090
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 6:54.333
And I prepare Tails for memory erasure tests 0.653
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.852
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.232 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.015