Project Number Date
test_Tails_ISO_stable 5769 15 Jul 2025, 19:50

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 15:40.245 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
34.400
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 9.696
And I prepare Tails for memory erasure tests 2.642
When I start a process allocating 128 MiB of memory with a known pattern 3.405
Then patterns cover at least 128 MiB in the guest's memory 4.666 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.014
Then I find very few patterns in the guest's memory after 5 seconds 12.974 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 1.353
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.130
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 10.370
And I prepare Tails for memory erasure tests 0.608
And I find very few patterns in the guest's memory 7.638 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.383
Then patterns cover at least 99% of the test FS size in the guest's memory 4.193 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.479
Then I find very few patterns in the guest's memory after 3 seconds 6.456 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 5.222
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.077
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 11.363
And I prepare Tails for memory erasure tests 0.634
When I plug and mount a 128 MiB USB drive with a vfat filesystem 15.320
Then I find very few patterns in the guest's memory 3.102 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.243
Then patterns cover at least 75% of the test FS size in the guest's memory 12.215 
Pattern coverage: 87.911% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.170
Then I find very few patterns in the guest's memory after 3 seconds 6.989 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 0.238
And I read the content of the test FS 1.600
Then patterns cover at least 99% of the test FS size in the guest's memory 10.838 
Pattern coverage: 100.680% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.511
Then I find very few patterns in the guest's memory after 3 seconds 6.848 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 2.588
After features/support/hooks.rb:100 0.002
Tags: @product @slow @not_release_blocker
1:57.197
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails from DVD without network and logged in 12.187
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:1.275
Then I find very few patterns in the guest's memory 3.265 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.932
Then patterns cover at least 99% of the test FS size in the guest's memory 8.923 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.843
Then I find very few patterns in the guest's memory after 3 seconds 5.810 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 9.468
And I read the content of the test FS 0.839
Then patterns cover at least 99% of the test FS size in the guest's memory 3.698 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.622
Then I find very few patterns in the guest's memory after 3 seconds 5.918 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 3.677
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:3.910
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.051
Given I have started Tails from DVD without network and logged in 13.698
And I prepare Tails for memory erasure tests 0.683
When I fill a 128 MiB file with a known pattern on the root filesystem 17.551
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.644
Then patterns cover at least 128 MiB in the guest's memory 4.695 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 24.615 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 4.339
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
10:18.528
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 9:25.891
And I prepare Tails for memory erasure tests 0.638
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.047
When I trigger shutdown 0.044
Then I find very few patterns in the guest's memory after 20 seconds 22.906 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.748
After features/support/hooks.rb:100 0.012