Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 43 30 Jun 2025, 11:10

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 15:8.062 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
36.760
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 8.556
And I prepare Tails for memory erasure tests 3.059
When I start a process allocating 128 MiB of memory with a known pattern 3.779
Then patterns cover at least 128 MiB in the guest's memory 6.347 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.326
Then I find very few patterns in the guest's memory after 5 seconds 14.690 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.630
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.698
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 8.700
And I prepare Tails for memory erasure tests 0.537
And I find very few patterns in the guest's memory 9.976 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.712
Then patterns cover at least 99% of the test FS size in the guest's memory 3.113 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.436
Then I find very few patterns in the guest's memory after 3 seconds 10.221 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.532
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.246
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 11.161
And I prepare Tails for memory erasure tests 0.604
When I plug and mount a 128 MiB USB drive with a vfat filesystem 14.066
Then I find very few patterns in the guest's memory 2.905 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.887
Then patterns cover at least 75% of the test FS size in the guest's memory 10.646 
Pattern coverage: 86.628% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.814
Then I find very few patterns in the guest's memory after 3 seconds 6.115 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.281
And I read the content of the test FS 0.608
Then patterns cover at least 99% of the test FS size in the guest's memory 8.562 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.407
Then I find very few patterns in the guest's memory after 3 seconds 6.185 
Pattern coverage: 0.000% (0 MiB out of 893 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
1:44.446
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 12.416
And I prepare Tails for memory erasure tests 0.528
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 51.825
Then I find very few patterns in the guest's memory 7.305 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.054
Then patterns cover at least 99% of the test FS size in the guest's memory 3.791 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.347
Then I find very few patterns in the guest's memory after 3 seconds 6.892 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 6.776
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 3.369 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.542
Then I find very few patterns in the guest's memory after 3 seconds 6.069 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 6.442
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:4.090
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails from DVD without network and logged in 9.818
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the root filesystem 21.836
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.763
Then patterns cover at least 128 MiB in the guest's memory 9.107 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.030
Then I find very few patterns in the guest's memory after 20 seconds 21.044 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 3.633
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
10:0.820
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 9:10.314
And I prepare Tails for memory erasure tests 2.270
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.042
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.179 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.570
After features/support/hooks.rb:100 0.012