Project Number Date
test_Tails_ISO_devel 3806 12 May 2025, 20:37

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 11:50.713 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
25.302
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 8.334
And I prepare Tails for memory erasure tests 0.571
When I start a process allocating 128 MiB of memory with a known pattern 2.452
Then patterns cover at least 128 MiB in the guest's memory 3.876 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.082
Then I find very few patterns in the guest's memory after 5 seconds 8.984 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.642
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.608
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 8.477
And I prepare Tails for memory erasure tests 0.633
And I find very few patterns in the guest's memory 3.805 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.146
Then patterns cover at least 99% of the test FS size in the guest's memory 4.149 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.766
Then I find very few patterns in the guest's memory after 3 seconds 6.628 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.681
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.162
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 8.228
And I prepare Tails for memory erasure tests 0.600
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.357
Then I find very few patterns in the guest's memory 3.578 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.564
Then patterns cover at least 75% of the test FS size in the guest's memory 4.244 
Pattern coverage: 87.623% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.002
Then I find very few patterns in the guest's memory after 3 seconds 6.727 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 0.646
Then patterns cover at least 99% of the test FS size in the guest's memory 4.037 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 6.477 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.069
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.318
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 8.114
And I prepare Tails for memory erasure tests 0.718
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.723
Then I find very few patterns in the guest's memory 2.799 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.663
Then patterns cover at least 99% of the test FS size in the guest's memory 2.916 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.278
Then I find very few patterns in the guest's memory after 3 seconds 6.121 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 6.269
And I read the content of the test FS 0.593
Then patterns cover at least 99% of the test FS size in the guest's memory 3.502 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 6.090 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.810
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.026
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 8.276
And I prepare Tails for memory erasure tests 0.528
When I fill a 128 MiB file with a known pattern on the root filesystem 14.410
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.788
Then patterns cover at least 128 MiB in the guest's memory 3.143 
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 20.865 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.508
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:2.293
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 7:14.871
And I prepare Tails for memory erasure tests 1.044
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.105
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.253 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.506
After features/support/hooks.rb:100 0.019