Project Number Date
test_Tails_ISO_stable 5567 10 Apr 2025, 19:35

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 11:58.449 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
28.695
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 10.893
And I prepare Tails for memory erasure tests 0.480
When I start a process allocating 128 MiB of memory with a known pattern 2.326
Then patterns cover at least 128 MiB in the guest's memory 5.072 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.066
Then I find very few patterns in the guest's memory after 5 seconds 8.856 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.955
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
38.777
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 9.836
And I prepare Tails for memory erasure tests 0.534
And I find very few patterns in the guest's memory 6.608 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.059
Then patterns cover at least 99% of the test FS size in the guest's memory 8.014 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.598
Then I find very few patterns in the guest's memory after 3 seconds 11.124 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.005
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 9.468
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.057
Then I find very few patterns in the guest's memory 4.918 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.697
Then patterns cover at least 75% of the test FS size in the guest's memory 4.874 
Pattern coverage: 86.267% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.228
Then I find very few patterns in the guest's memory after 3 seconds 6.761 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.302
And I read the content of the test FS 2.915
Then patterns cover at least 99% of the test FS size in the guest's memory 4.092 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory after 3 seconds 6.605 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.072
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.881
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 8.245
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.792
Then I find very few patterns in the guest's memory 3.064 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.903
Then patterns cover at least 99% of the test FS size in the guest's memory 3.518 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 6.153 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# read cache
When I mount the USB drive again 4.212
And I read the content of the test FS 1.550
Then patterns cover at least 99% of the test FS size in the guest's memory 3.632 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.611
Then I find very few patterns in the guest's memory after 3 seconds 6.136 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:330 1.273
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.692
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 8.366
And I prepare Tails for memory erasure tests 0.483
When I fill a 128 MiB file with a known pattern on the root filesystem 17.060
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.726
Then patterns cover at least 128 MiB in the guest's memory 3.141 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.027
Then I find very few patterns in the guest's memory after 20 seconds 20.886 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.501
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.397
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:57.944
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.664
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.352 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.582
After features/support/hooks.rb:100 0.011