Project Number Date
test_Tails_ISO_feature-arti 37 22 Apr 2025, 17:03

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 12:25.216 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
23.732
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 8.309
And I prepare Tails for memory erasure tests 0.392
When I start a process allocating 128 MiB of memory with a known pattern 1.458
Then patterns cover at least 128 MiB in the guest's memory 4.196 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.643
Then I find very few patterns in the guest's memory after 5 seconds 8.731 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.353
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 8.228
And I prepare Tails for memory erasure tests 0.450
And I find very few patterns in the guest's memory 3.820 
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 4.522
Then patterns cover at least 99% of the test FS size in the guest's memory 4.364 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.404
Then I find very few patterns in the guest's memory after 3 seconds 6.562 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.146
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.661
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 9.215
And I prepare Tails for memory erasure tests 0.535
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.076
Then I find very few patterns in the guest's memory 5.107 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.384
Then patterns cover at least 75% of the test FS size in the guest's memory 4.225 
Pattern coverage: 85.104% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.966
Then I find very few patterns in the guest's memory after 3 seconds 7.803 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.209
And I read the content of the test FS 0.518
Then patterns cover at least 99% of the test FS size in the guest's memory 5.362 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 6.571 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.733
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 8.309
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.109
Then I find very few patterns in the guest's memory 3.295 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.889
Then patterns cover at least 99% of the test FS size in the guest's memory 4.001 
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 6.212 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 4.044
And I read the content of the test FS 0.885
Then patterns cover at least 99% of the test FS size in the guest's memory 3.445 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.914
Then I find very few patterns in the guest's memory after 3 seconds 6.340 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.734
After features/support/hooks.rb:100 0.002
Tags: @product @slow @not_release_blocker
59.018
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 8.604
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the root filesystem 18.497
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.284
Then patterns cover at least 128 MiB in the guest's memory 3.064 
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 21.061 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.520
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:20.716
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 7:37.142
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.755
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.367 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.562
After features/support/hooks.rb:100 0.020