Project Number Date
test_Tails_ISO_stable 5690 31 May 2025, 12:54

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 10:48.363 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
24.446
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 8.313
And I prepare Tails for memory erasure tests 0.476
When I start a process allocating 128 MiB of memory with a known pattern 2.510
Then patterns cover at least 128 MiB in the guest's memory 3.797 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.383
Then I find very few patterns in the guest's memory after 5 seconds 8.965 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.892
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 8.920
And I prepare Tails for memory erasure tests 0.624
And I find very few patterns in the guest's memory 3.240 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.850
Then patterns cover at least 99% of the test FS size in the guest's memory 5.683 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.456
Then I find very few patterns in the guest's memory after 3 seconds 6.117 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 0.943
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.411
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 8.176
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.328
Then I find very few patterns in the guest's memory 3.806 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.496
Then patterns cover at least 75% of the test FS size in the guest's memory 3.674 
Pattern coverage: 86.940% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.218
Then I find very few patterns in the guest's memory after 3 seconds 6.040 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.246
And I read the content of the test FS 0.663
Then patterns cover at least 99% of the test FS size in the guest's memory 3.600 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 6.351 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.013
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.063
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 8.062
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.844
Then I find very few patterns in the guest's memory 2.911 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.677
Then patterns cover at least 99% of the test FS size in the guest's memory 3.102 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.139
Then I find very few patterns in the guest's memory after 3 seconds 5.876 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 4.222
And I read the content of the test FS 0.571
Then patterns cover at least 99% of the test FS size in the guest's memory 3.143 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 5.540 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.634
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.842
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 8.201
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the root filesystem 18.429
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.079
Then patterns cover at least 128 MiB in the guest's memory 2.725 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.946 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.485
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:4.707
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 6:19.581
And I prepare Tails for memory erasure tests 0.521
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.218
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.368 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.506
After features/support/hooks.rb:100 0.013