Project Number Date
test_Tails_ISO_feature-arti 82 05 Jun 2025, 18:21

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 10:44.297 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
22.803
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 8.072
And I prepare Tails for memory erasure tests 0.470
When I start a process allocating 128 MiB of memory with a known pattern 1.186
Then patterns cover at least 128 MiB in the guest's memory 3.943 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.724
Then I find very few patterns in the guest's memory after 5 seconds 8.404 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.281
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 8.040
And I prepare Tails for memory erasure tests 0.385
And I find very few patterns in the guest's memory 3.341 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.573
Then patterns cover at least 99% of the test FS size in the guest's memory 3.355 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.342
Then I find very few patterns in the guest's memory after 3 seconds 6.243 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.764
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.085
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 8.069
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.978
Then I find very few patterns in the guest's memory 3.269 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.084
Then patterns cover at least 75% of the test FS size in the guest's memory 3.693 
Pattern coverage: 83.922% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.803
Then I find very few patterns in the guest's memory after 3 seconds 6.172 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 0.233
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 3.449 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.388
Then I find very few patterns in the guest's memory after 3 seconds 6.094 
Pattern coverage: 0.000% (0 MiB out of 908 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
1:15.862
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 7.934
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.587
Then I find very few patterns in the guest's memory 2.715 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.642
Then patterns cover at least 99% of the test FS size in the guest's memory 3.322 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.703
Then I find very few patterns in the guest's memory after 3 seconds 6.093 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.573
And I read the content of the test FS 0.472
Then patterns cover at least 99% of the test FS size in the guest's memory 3.177 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.544
Then I find very few patterns in the guest's memory after 3 seconds 5.666 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.080
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.783
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 7.914
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the root filesystem 18.736
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.913
Then patterns cover at least 128 MiB in the guest's memory 2.919 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.861 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:3.481
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 6:18.765
And I prepare Tails for memory erasure tests 0.558
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.910
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.230 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.494
After features/support/hooks.rb:100 0.013