Project Number Date
test_Tails_ISO_stable 5725 19 Jun 2025, 02:32

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 19:27.952 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
38.885
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 15.586
And I prepare Tails for memory erasure tests 0.760
When I start a process allocating 128 MiB of memory with a known pattern 1.329
Then patterns cover at least 128 MiB in the guest's memory 4.069 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.800
Then I find very few patterns in the guest's memory after 5 seconds 16.338 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.781
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.260
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 15.791
And I prepare Tails for memory erasure tests 1.431
And I find very few patterns in the guest's memory 3.551 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.641
Then patterns cover at least 99% of the test FS size in the guest's memory 13.420 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.835
Then I find very few patterns in the guest's memory after 3 seconds 16.588 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.204
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:1.929
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 27.404
And I prepare Tails for memory erasure tests 2.700
When I plug and mount a 128 MiB USB drive with a vfat filesystem 22.512
Then I find very few patterns in the guest's memory 9.014 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.007
Then patterns cover at least 75% of the test FS size in the guest's memory 14.649 
Pattern coverage: 89.790% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.193
Then I find very few patterns in the guest's memory after 3 seconds 14.235 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
# read cache
When I mount the USB drive again 2.149
And I read the content of the test FS 1.513
Then patterns cover at least 99% of the test FS size in the guest's memory 5.151 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.848
Then I find very few patterns in the guest's memory after 3 seconds 16.548 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:330 1.227
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:17.315
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 43.909
And I prepare Tails for memory erasure tests 1.735
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:30.340
Then I find very few patterns in the guest's memory 4.197 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.149
Then patterns cover at least 99% of the test FS size in the guest's memory 15.105 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.851
Then I find very few patterns in the guest's memory after 3 seconds 7.764 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 12.829
And I read the content of the test FS 0.617
Then patterns cover at least 99% of the test FS size in the guest's memory 3.382 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.694
Then I find very few patterns in the guest's memory after 3 seconds 13.738 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 0.873
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:44.299
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 52.886
And I prepare Tails for memory erasure tests 3.189
When I fill a 128 MiB file with a known pattern on the root filesystem 20.717
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.241
Then patterns cover at least 128 MiB in the guest's memory 3.055 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.189 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 8.566
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
10:51.262
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.022
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 10:0.398
And I prepare Tails for memory erasure tests 0.688
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.695
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.457 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 4.450
After features/support/hooks.rb:100 0.081