Project Number Date
test_Tails_ISO_stable 5729 22 Jun 2025, 13:34

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 14:32.927 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
32.854
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 10.061
And I prepare Tails for memory erasure tests 4.627
When I start a process allocating 128 MiB of memory with a known pattern 2.881
Then patterns cover at least 128 MiB in the guest's memory 3.265 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.278
Then I find very few patterns in the guest's memory after 5 seconds 11.739 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 1.219
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
38.909
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 10.109
And I prepare Tails for memory erasure tests 0.850
And I find very few patterns in the guest's memory 10.954 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.418
Then patterns cover at least 99% of the test FS size in the guest's memory 3.107 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.523
Then I find very few patterns in the guest's memory after 3 seconds 10.944 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.525
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.117
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 10.274
And I prepare Tails for memory erasure tests 0.722
When I plug and mount a 128 MiB USB drive with a vfat filesystem 18.079
Then I find very few patterns in the guest's memory 4.228 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.520
Then patterns cover at least 75% of the test FS size in the guest's memory 6.164 
Pattern coverage: 89.705% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.919
Then I find very few patterns in the guest's memory after 3 seconds 6.971 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.450
And I read the content of the test FS 1.256
Then patterns cover at least 99% of the test FS size in the guest's memory 9.861 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.430
Then I find very few patterns in the guest's memory after 3 seconds 6.237 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.063
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:53.720
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 14.940
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 56.439
Then I find very few patterns in the guest's memory 2.634 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.571
Then patterns cover at least 99% of the test FS size in the guest's memory 3.437 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.947
Then I find very few patterns in the guest's memory after 3 seconds 10.681 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 6.181
And I read the content of the test FS 1.087
Then patterns cover at least 99% of the test FS size in the guest's memory 8.053 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.454
Then I find very few patterns in the guest's memory after 3 seconds 5.904 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.679
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.811
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 14.286
And I prepare Tails for memory erasure tests 0.725
When I fill a 128 MiB file with a known pattern on the root filesystem 14.726
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.435
Then patterns cover at least 128 MiB in the guest's memory 3.935 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.029
Then I find very few patterns in the guest's memory after 20 seconds 20.671 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.486
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:19.513
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:30.912
And I prepare Tails for memory erasure tests 0.918
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.520
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.148 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.487
After features/support/hooks.rb:100 0.012