Project Number Date
test_Tails_ISO_devel 3804 07 May 2025, 13:18

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 12:55.082 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
29.722
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 8.660
And I prepare Tails for memory erasure tests 0.705
When I start a process allocating 128 MiB of memory with a known pattern 2.630
Then patterns cover at least 128 MiB in the guest's memory 5.045 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.271
Then I find very few patterns in the guest's memory after 5 seconds 12.409 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.197
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.699
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 9.702
And I prepare Tails for memory erasure tests 0.537
And I find very few patterns in the guest's memory 3.638 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.578
Then patterns cover at least 99% of the test FS size in the guest's memory 5.159 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.887
Then I find very few patterns in the guest's memory after 3 seconds 7.195 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.588
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 9.526
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.490
Then I find very few patterns in the guest's memory 4.202 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.447
Then patterns cover at least 75% of the test FS size in the guest's memory 4.282 
Pattern coverage: 89.056% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.173
Then I find very few patterns in the guest's memory after 3 seconds 6.964 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.309
And I read the content of the test FS 0.768
Then patterns cover at least 99% of the test FS size in the guest's memory 4.593 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.548
Then I find very few patterns in the guest's memory after 3 seconds 6.825 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.047
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:30.057
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 9.530
And I prepare Tails for memory erasure tests 0.631
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.482
Then I find very few patterns in the guest's memory 3.308 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.115
Then patterns cover at least 99% of the test FS size in the guest's memory 4.008 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.777
Then I find very few patterns in the guest's memory after 3 seconds 7.163 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 4.935
And I read the content of the test FS 1.013
Then patterns cover at least 99% of the test FS size in the guest's memory 6.303 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.958
Then I find very few patterns in the guest's memory after 3 seconds 7.828 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.899
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
56.548
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 9.363
And I prepare Tails for memory erasure tests 0.595
When I fill a 128 MiB file with a known pattern on the root filesystem 19.057
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.610
Then patterns cover at least 128 MiB in the guest's memory 3.805 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 21.088 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.813
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:35.464
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 7:49.402
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.009
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.583 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 3.593
After features/support/hooks.rb:100 0.012