Project Number Date
test_Tails_ISO_devel 3892 30 Jun 2025, 14:11

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 15:11.253 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
33.164
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 9.571
And I prepare Tails for memory erasure tests 0.702
When I start a process allocating 128 MiB of memory with a known pattern 3.271
Then patterns cover at least 128 MiB in the guest's memory 8.549 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.696
Then I find very few patterns in the guest's memory after 5 seconds 10.371 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.510
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.975
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 10.150
And I prepare Tails for memory erasure tests 0.455
And I find very few patterns in the guest's memory 3.588 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.319
Then patterns cover at least 99% of the test FS size in the guest's memory 8.123 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.875
Then I find very few patterns in the guest's memory after 3 seconds 5.461 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.069
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.494
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 13.732
And I prepare Tails for memory erasure tests 0.757
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.385
Then I find very few patterns in the guest's memory 6.558 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.883
Then patterns cover at least 75% of the test FS size in the guest's memory 3.618 
Pattern coverage: 90.201% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.499
Then I find very few patterns in the guest's memory after 3 seconds 12.904 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 0.513
And I read the content of the test FS 0.616
Then patterns cover at least 99% of the test FS size in the guest's memory 3.455 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.833
Then I find very few patterns in the guest's memory after 3 seconds 14.736 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.283
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:57.111
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 9.209
And I prepare Tails for memory erasure tests 1.756
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:2.313
Then I find very few patterns in the guest's memory 4.772 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.890
Then patterns cover at least 99% of the test FS size in the guest's memory 3.108 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.098
Then I find very few patterns in the guest's memory after 3 seconds 12.912 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 2.905
And I read the content of the test FS 0.550
Then patterns cover at least 99% of the test FS size in the guest's memory 3.310 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.751
Then I find very few patterns in the guest's memory after 3 seconds 12.531 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.638
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.000
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 8.266
And I prepare Tails for memory erasure tests 2.894
When I fill a 128 MiB file with a known pattern on the root filesystem 14.610
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.437
Then patterns cover at least 128 MiB in the guest's memory 8.868 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.036
Then I find very few patterns in the guest's memory after 20 seconds 20.885 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.651
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:57.506
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 9:8.425
And I prepare Tails for memory erasure tests 1.598
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.017
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.452 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.697
After features/support/hooks.rb:100 0.011