Project Number Date
test_Tails_ISO_feature-arti 110 08 Jul 2025, 01:13

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 12:55.791 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
27.582
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 8.580
And I prepare Tails for memory erasure tests 0.647
When I start a process allocating 128 MiB of memory with a known pattern 2.659
Then patterns cover at least 128 MiB in the guest's memory 6.942 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.370
Then I find very few patterns in the guest's memory after 5 seconds 8.383 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 1.047
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.974
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 10.309
And I prepare Tails for memory erasure tests 0.573
And I find very few patterns in the guest's memory 3.402 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.052
Then patterns cover at least 99% of the test FS size in the guest's memory 3.623 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.851
Then I find very few patterns in the guest's memory after 3 seconds 9.160 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.059
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.248
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 8.966
And I prepare Tails for memory erasure tests 0.648
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.771
Then I find very few patterns in the guest's memory 3.245 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.491
Then patterns cover at least 75% of the test FS size in the guest's memory 3.898 
Pattern coverage: 87.742% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.078
Then I find very few patterns in the guest's memory after 3 seconds 6.979 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 3.608 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.709
Then I find very few patterns in the guest's memory after 3 seconds 10.061 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.120
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:25.555
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 8.870
And I prepare Tails for memory erasure tests 0.761
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.208
Then I find very few patterns in the guest's memory 3.683 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.548
Then patterns cover at least 99% of the test FS size in the guest's memory 5.557 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.819
Then I find very few patterns in the guest's memory after 3 seconds 6.154 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 2.537
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 5.338 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.953
Then I find very few patterns in the guest's memory after 3 seconds 6.598 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 1.578
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.620
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 8.997
And I prepare Tails for memory erasure tests 1.098
When I fill a 128 MiB file with a known pattern on the root filesystem 15.931
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.816
Then patterns cover at least 128 MiB in the guest's memory 4.640 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 21.113 
Pattern coverage: 0.000% (0 MiB out of 890 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
8:40.811
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 7:54.790
And I prepare Tails for memory erasure tests 0.588
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.219
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.199 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.739
After features/support/hooks.rb:100 0.012