Project Number Date
test_Tails_ISO_stable 5717 16 Jun 2025, 16:25

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 16:16.748 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
47.676
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.019
Given I have started Tails from DVD without network and logged in 14.503
And I prepare Tails for memory erasure tests 0.464
When I start a process allocating 128 MiB of memory with a known pattern 2.566
Then patterns cover at least 128 MiB in the guest's memory 12.532 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.957
Then I find very few patterns in the guest's memory after 5 seconds 16.650 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 1.262
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.162
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 10.026
And I prepare Tails for memory erasure tests 0.502
And I find very few patterns in the guest's memory 9.079 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.314
Then patterns cover at least 99% of the test FS size in the guest's memory 8.862 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.609
Then I find very few patterns in the guest's memory after 3 seconds 12.767 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.586
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:30.594
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 12.242
And I prepare Tails for memory erasure tests 0.786
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.325
Then I find very few patterns in the guest's memory 10.936 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.920
Then patterns cover at least 75% of the test FS size in the guest's memory 14.633 
Pattern coverage: 89.120% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.589
Then I find very few patterns in the guest's memory after 3 seconds 15.756 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 0.305
And I read the content of the test FS 3.603
Then patterns cover at least 99% of the test FS size in the guest's memory 4.400 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.420
Then I find very few patterns in the guest's memory after 3 seconds 10.674 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.840
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:41.063
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.022
Given I have started Tails from DVD without network and logged in 10.151
And I prepare Tails for memory erasure tests 0.692
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 51.691
Then I find very few patterns in the guest's memory 3.752 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.134
Then patterns cover at least 99% of the test FS size in the guest's memory 3.554 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.048
Then I find very few patterns in the guest's memory after 3 seconds 9.353 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 5.513
And I read the content of the test FS 1.824
Then patterns cover at least 99% of the test FS size in the guest's memory 3.781 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.602
Then I find very few patterns in the guest's memory after 3 seconds 6.961 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.843
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.549
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 10.190
And I prepare Tails for memory erasure tests 0.482
When I fill a 128 MiB file with a known pattern on the root filesystem 18.052
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.349
Then patterns cover at least 128 MiB in the guest's memory 9.381 
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 21.078 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
10:31.702
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 9:37.303
And I prepare Tails for memory erasure tests 0.553
When I fill a 128 MiB file with a known pattern on the persistent filesystem 30.021
When I trigger shutdown 0.304
Then I find very few patterns in the guest's memory after 20 seconds 23.520 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.884
After features/support/hooks.rb:100 0.032