Project Number Date
test_Tails_ISO_feature-arti 4 21 Mar 2025, 16:36

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 11:54.611 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
26.459
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 9.814
And I prepare Tails for memory erasure tests 0.562
When I start a process allocating 128 MiB of memory with a known pattern 2.392
Then patterns cover at least 128 MiB in the guest's memory 4.574 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.463
Then I find very few patterns in the guest's memory after 5 seconds 8.651 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 1.070
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.845
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 8.867
And I prepare Tails for memory erasure tests 0.527
And I find very few patterns in the guest's memory 3.543 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.245
Then patterns cover at least 99% of the test FS size in the guest's memory 4.185 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.629
Then I find very few patterns in the guest's memory after 3 seconds 6.847 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.153
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 8.811
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.038
Then I find very few patterns in the guest's memory 3.678 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.908
Then patterns cover at least 75% of the test FS size in the guest's memory 4.265 
Pattern coverage: 90.776% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.062
Then I find very few patterns in the guest's memory after 3 seconds 6.624 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.312
And I read the content of the test FS 0.946
Then patterns cover at least 99% of the test FS size in the guest's memory 3.928 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.435
Then I find very few patterns in the guest's memory after 3 seconds 6.624 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.790
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.414
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 8.457
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.826
Then I find very few patterns in the guest's memory 3.255 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.818
Then patterns cover at least 99% of the test FS size in the guest's memory 3.718 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.872
Then I find very few patterns in the guest's memory after 3 seconds 6.199 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 4.488
And I read the content of the test FS 0.646
Then patterns cover at least 99% of the test FS size in the guest's memory 3.578 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.003
Then I find very few patterns in the guest's memory after 3 seconds 8.057 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.631
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.324
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 8.688
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 14.611
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.486
Then patterns cover at least 128 MiB in the guest's memory 3.231 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.859 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.413
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 7:14.386
And I prepare Tails for memory erasure tests 0.545
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.889
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.579 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 4.532
After features/support/hooks.rb:100 0.015