Project Number Date
test_Tails_ISO_feature-arti 51 07 May 2025, 17:44

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 12:22.518 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
25.666
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 8.923
And I prepare Tails for memory erasure tests 0.572
When I start a process allocating 128 MiB of memory with a known pattern 2.449
Then patterns cover at least 128 MiB in the guest's memory 4.296 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.723
Then I find very few patterns in the guest's memory after 5 seconds 8.699 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.089
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.379
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 8.738
And I prepare Tails for memory erasure tests 0.597
And I find very few patterns in the guest's memory 4.015 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.013
Then patterns cover at least 99% of the test FS size in the guest's memory 3.809 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.587
Then I find very few patterns in the guest's memory after 3 seconds 6.617 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.583
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 8.735
And I prepare Tails for memory erasure tests 1.244
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.442
Then I find very few patterns in the guest's memory 3.953 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.690
Then patterns cover at least 75% of the test FS size in the guest's memory 4.725 
Pattern coverage: 91.774% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.917
Then I find very few patterns in the guest's memory after 3 seconds 6.666 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.343
And I read the content of the test FS 0.765
Then patterns cover at least 99% of the test FS size in the guest's memory 4.057 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.306
Then I find very few patterns in the guest's memory after 3 seconds 6.734 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.951
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.009
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 8.352
And I prepare Tails for memory erasure tests 0.687
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.274
Then I find very few patterns in the guest's memory 3.328 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.014
Then patterns cover at least 99% of the test FS size in the guest's memory 3.736 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.067
Then I find very few patterns in the guest's memory after 3 seconds 6.411 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.511
And I read the content of the test FS 2.496
Then patterns cover at least 99% of the test FS size in the guest's memory 3.646 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.910
Then I find very few patterns in the guest's memory after 3 seconds 6.571 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.619
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.858
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 9.162
And I prepare Tails for memory erasure tests 0.596
When I fill a 128 MiB file with a known pattern on the root filesystem 18.081
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.540
Then patterns cover at least 128 MiB in the guest's memory 4.226 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.054
Then I find very few patterns in the guest's memory after 20 seconds 21.195 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.602
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:21.021
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 7:37.909
And I prepare Tails for memory erasure tests 0.695
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.009
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.393 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.507
After features/support/hooks.rb:100 0.010