Project Number Date
test_Tails_ISO_stable 5752 01 Jul 2025, 09:38

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 11:58.265 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
25.370
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 9.408
And I prepare Tails for memory erasure tests 0.664
When I start a process allocating 128 MiB of memory with a known pattern 2.725
Then patterns cover at least 128 MiB in the guest's memory 3.869 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.295
Then I find very few patterns in the guest's memory after 5 seconds 8.407 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.284
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.122
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.040
Given I have started Tails from DVD without network and logged in 8.804
And I prepare Tails for memory erasure tests 0.400
And I find very few patterns in the guest's memory 2.506 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.311
Then patterns cover at least 99% of the test FS size in the guest's memory 3.270 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.488
Then I find very few patterns in the guest's memory after 3 seconds 6.341 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.872
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.364
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 8.496
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.490
Then I find very few patterns in the guest's memory 2.657 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.261
Then patterns cover at least 75% of the test FS size in the guest's memory 2.965 
Pattern coverage: 85.900% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.886
Then I find very few patterns in the guest's memory after 3 seconds 7.550 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 0.879
Then patterns cover at least 99% of the test FS size in the guest's memory 3.814 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory after 3 seconds 5.918 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.048
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.090
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 9.542
And I prepare Tails for memory erasure tests 0.867
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.082
Then I find very few patterns in the guest's memory 2.726 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.012
Then patterns cover at least 99% of the test FS size in the guest's memory 2.657 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.706
Then I find very few patterns in the guest's memory after 3 seconds 5.669 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 4.694
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.254 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 5.626 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.213
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.437
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 9.932
And I prepare Tails for memory erasure tests 0.648
When I fill a 128 MiB file with a known pattern on the root filesystem 13.456
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.115
Then patterns cover at least 128 MiB in the guest's memory 4.118 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.149 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:12.880
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 7:25.991
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.047
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 22.419 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.831
After features/support/hooks.rb:100 0.047