Project Number Date
test_Tails_ISO_stable 5640 11 May 2025, 12:51

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 12:26.948 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
25.614
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 8.949
And I prepare Tails for memory erasure tests 0.482
When I start a process allocating 128 MiB of memory with a known pattern 2.479
Then patterns cover at least 128 MiB in the guest's memory 4.380 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.596
Then I find very few patterns in the guest's memory after 5 seconds 8.725 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.853
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.119
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 8.482
And I prepare Tails for memory erasure tests 0.547
And I find very few patterns in the guest's memory 4.594 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.978
Then patterns cover at least 99% of the test FS size in the guest's memory 4.039 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.461
Then I find very few patterns in the guest's memory after 3 seconds 7.015 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.783
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.882
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 8.530
And I prepare Tails for memory erasure tests 0.585
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.442
Then I find very few patterns in the guest's memory 4.069 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.280
Then patterns cover at least 75% of the test FS size in the guest's memory 4.312 
Pattern coverage: 88.266% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.936
Then I find very few patterns in the guest's memory after 3 seconds 7.708 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.305
And I read the content of the test FS 0.649
Then patterns cover at least 99% of the test FS size in the guest's memory 4.140 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.490
Then I find very few patterns in the guest's memory after 3 seconds 7.430 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.896
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:52.335
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 9.076
And I prepare Tails for memory erasure tests 0.545
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 55.969
Then I find very few patterns in the guest's memory 8.181 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.530
Then patterns cover at least 99% of the test FS size in the guest's memory 7.943 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.949
Then I find very few patterns in the guest's memory after 3 seconds 10.774 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 4.302
And I read the content of the test FS 1.414
Then patterns cover at least 99% of the test FS size in the guest's memory 3.882 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.615
Then I find very few patterns in the guest's memory after 3 seconds 6.149 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.475
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.757
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 8.653
And I prepare Tails for memory erasure tests 0.546
When I fill a 128 MiB file with a known pattern on the root filesystem 15.588
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.950
Then patterns cover at least 128 MiB in the guest's memory 3.072 
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 20.923 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.532
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:59.240
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 7:16.409
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.943
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.396 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:330 3.714
After features/support/hooks.rb:100 0.013