Project Number Date
test_Tails_ISO_stable 5605 28 Apr 2025, 20:46

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 12:9.797 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
28.282
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 8.167
And I prepare Tails for memory erasure tests 0.505
When I start a process allocating 128 MiB of memory with a known pattern 5.399
Then patterns cover at least 128 MiB in the guest's memory 4.367 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.809
Then I find very few patterns in the guest's memory after 5 seconds 9.033 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.253
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 8.829
And I prepare Tails for memory erasure tests 0.587
And I find very few patterns in the guest's memory 3.894 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.167
Then patterns cover at least 99% of the test FS size in the guest's memory 4.305 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.555
Then I find very few patterns in the guest's memory after 3 seconds 6.913 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.609
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 8.368
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.124
Then I find very few patterns in the guest's memory 4.072 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 7.952
Then patterns cover at least 75% of the test FS size in the guest's memory 3.985 
Pattern coverage: 89.457% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.064
Then I find very few patterns in the guest's memory after 3 seconds 6.448 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 1.356
And I read the content of the test FS 0.698
Then patterns cover at least 99% of the test FS size in the guest's memory 3.752 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.552
Then I find very few patterns in the guest's memory after 3 seconds 6.743 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 1.248
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.913
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 8.163
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.254
Then I find very few patterns in the guest's memory 3.338 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.917
Then patterns cover at least 99% of the test FS size in the guest's memory 4.126 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.017
Then I find very few patterns in the guest's memory after 3 seconds 6.221 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 4.334
And I read the content of the test FS 0.552
Then patterns cover at least 99% of the test FS size in the guest's memory 3.748 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.738
Then I find very few patterns in the guest's memory after 3 seconds 6.053 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.999
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.072
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 8.100
And I prepare Tails for memory erasure tests 0.456
When I fill a 128 MiB file with a known pattern on the root filesystem 15.446
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.069
Then patterns cover at least 128 MiB in the guest's memory 3.088 
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 20.897 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.593
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:8.665
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.031
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:14.790
And I prepare Tails for memory erasure tests 0.517
When I fill a 128 MiB file with a known pattern on the persistent filesystem 31.915
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.430 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.013