Project Number Date
test_Tails_ISO_feature-arti 35 20 Apr 2025, 16:31

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 11:22.264 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
24.588
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.274
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 2.372
Then patterns cover at least 128 MiB in the guest's memory 3.524 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.404
Then I find very few patterns in the guest's memory after 5 seconds 8.605 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.677
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.089
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 8.124
And I prepare Tails for memory erasure tests 0.409
And I find very few patterns in the guest's memory 3.967 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.064
Then patterns cover at least 99% of the test FS size in the guest's memory 4.203 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.598
Then I find very few patterns in the guest's memory after 3 seconds 6.720 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.635
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.244
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 8.270
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.097
Then I find very few patterns in the guest's memory 3.681 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.548
Then patterns cover at least 75% of the test FS size in the guest's memory 5.124 
Pattern coverage: 90.859% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.940
Then I find very few patterns in the guest's memory after 3 seconds 6.872 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.310
And I read the content of the test FS 0.693
Then patterns cover at least 99% of the test FS size in the guest's memory 4.215 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.369
Then I find very few patterns in the guest's memory after 3 seconds 6.695 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.925
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.376
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 9.053
And I prepare Tails for memory erasure tests 0.480
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.498
Then I find very few patterns in the guest's memory 3.017 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.702
Then patterns cover at least 99% of the test FS size in the guest's memory 3.490 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.769
Then I find very few patterns in the guest's memory after 3 seconds 6.125 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.901
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 3.162 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.618
Then I find very few patterns in the guest's memory after 3 seconds 6.106 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.677
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.634
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 9.604
And I prepare Tails for memory erasure tests 0.517
When I fill a 128 MiB file with a known pattern on the root filesystem 18.982
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.989
Then patterns cover at least 128 MiB in the guest's memory 2.818 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.709 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.490
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.330
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 6:48.973
And I prepare Tails for memory erasure tests 0.475
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.313
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.554 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
After features/support/hooks.rb:330 3.564
After features/support/hooks.rb:100 0.045