Project Number Date
test_Tails_ISO_stable 5662 19 May 2025, 23:09

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 11:59.691 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
24.314
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 8.337
And I prepare Tails for memory erasure tests 0.493
When I start a process allocating 128 MiB of memory with a known pattern 2.315
Then patterns cover at least 128 MiB in the guest's memory 4.243 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.214
Then I find very few patterns in the guest's memory after 5 seconds 8.709 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.851
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 8.481
And I prepare Tails for memory erasure tests 0.376
And I find very few patterns in the guest's memory 3.800 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.037
Then patterns cover at least 99% of the test FS size in the guest's memory 3.830 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.449
Then I find very few patterns in the guest's memory after 3 seconds 6.877 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.271
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.715
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 10.331
And I prepare Tails for memory erasure tests 0.507
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.605
Then I find very few patterns in the guest's memory 4.140 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.052
Then patterns cover at least 75% of the test FS size in the guest's memory 4.563 
Pattern coverage: 88.494% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.166
Then I find very few patterns in the guest's memory after 3 seconds 12.867 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 0.963
Then patterns cover at least 99% of the test FS size in the guest's memory 4.926 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.439
Then I find very few patterns in the guest's memory after 3 seconds 6.903 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.930
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.985
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 9.123
And I prepare Tails for memory erasure tests 0.568
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.766
Then I find very few patterns in the guest's memory 3.820 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.938
Then patterns cover at least 99% of the test FS size in the guest's memory 3.882 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.496
Then I find very few patterns in the guest's memory after 3 seconds 6.391 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 8.037
And I read the content of the test FS 0.589
Then patterns cover at least 99% of the test FS size in the guest's memory 3.935 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.957
Then I find very few patterns in the guest's memory after 3 seconds 6.477 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.929
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.913
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 8.348
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the root filesystem 17.966
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.977
Then patterns cover at least 128 MiB in the guest's memory 3.012 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.115 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.910
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:58.698
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.308
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.427 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.015