Project Number Date
test_Tails_ISO_feature-arti 60 16 May 2025, 16:37

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 11:52.202 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
25.117
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 8.242
And I prepare Tails for memory erasure tests 0.566
When I start a process allocating 128 MiB of memory with a known pattern 2.511
Then patterns cover at least 128 MiB in the guest's memory 4.277 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.761
Then I find very few patterns in the guest's memory after 5 seconds 8.757 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.718
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 8.434
And I prepare Tails for memory erasure tests 0.529
And I find very few patterns in the guest's memory 3.896 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.897
Then patterns cover at least 99% of the test FS size in the guest's memory 4.010 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.541
Then I find very few patterns in the guest's memory after 3 seconds 8.407 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 1.287
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.815
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 9.914
And I prepare Tails for memory erasure tests 0.824
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.203
Then I find very few patterns in the guest's memory 3.884 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.334
Then patterns cover at least 75% of the test FS size in the guest's memory 4.366 
Pattern coverage: 85.205% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.179
Then I find very few patterns in the guest's memory after 3 seconds 6.935 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 1.100
Then patterns cover at least 99% of the test FS size in the guest's memory 4.210 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 7.105 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.131
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.325
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 8.985
And I prepare Tails for memory erasure tests 0.529
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.031
Then I find very few patterns in the guest's memory 2.797 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.742
Then patterns cover at least 99% of the test FS size in the guest's memory 3.530 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.830
Then I find very few patterns in the guest's memory after 3 seconds 6.382 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 4.378
And I read the content of the test FS 0.715
Then patterns cover at least 99% of the test FS size in the guest's memory 3.366 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.864
Then I find very few patterns in the guest's memory after 3 seconds 6.170 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.034
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.794
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 8.725
And I prepare Tails for memory erasure tests 0.390
When I fill a 128 MiB file with a known pattern on the root filesystem 18.667
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.071
Then patterns cover at least 128 MiB in the guest's memory 2.991 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.931 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.566
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:55.430
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 7:11.046
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.577
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.345 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.512
After features/support/hooks.rb:100 0.069