Project Number Date
test_Tails_ISO_stable 5510 12 Mar 2025, 11:55

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 12:23.847 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
29.425
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 10.674
And I prepare Tails for memory erasure tests 0.861
When I start a process allocating 128 MiB of memory with a known pattern 2.324
Then patterns cover at least 128 MiB in the guest's memory 4.373 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.987
Then I find very few patterns in the guest's memory after 5 seconds 9.205 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.329
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.838
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 8.804
And I prepare Tails for memory erasure tests 0.492
And I find very few patterns in the guest's memory 4.147 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.866
Then patterns cover at least 99% of the test FS size in the guest's memory 4.112 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.722
Then I find very few patterns in the guest's memory after 3 seconds 6.692 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 1.071
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.228
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 8.589
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.132
Then I find very few patterns in the guest's memory 8.141 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.956
Then patterns cover at least 75% of the test FS size in the guest's memory 4.881 
Pattern coverage: 88.538% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.994
Then I find very few patterns in the guest's memory after 3 seconds 7.123 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.731
And I read the content of the test FS 1.127
Then patterns cover at least 99% of the test FS size in the guest's memory 4.672 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.843
Then I find very few patterns in the guest's memory after 3 seconds 6.626 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 2.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:29.516
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 8.406
And I prepare Tails for memory erasure tests 0.558
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.071
Then I find very few patterns in the guest's memory 3.323 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.094
Then patterns cover at least 99% of the test FS size in the guest's memory 3.714 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.083
Then I find very few patterns in the guest's memory after 3 seconds 7.253 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 12.361
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.274 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.200
Then I find very few patterns in the guest's memory after 3 seconds 5.613 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 2.286
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.964
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 8.567
And I prepare Tails for memory erasure tests 0.589
When I fill a 128 MiB file with a known pattern on the root filesystem 16.834
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.396
Then patterns cover at least 128 MiB in the guest's memory 2.728 
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 20.832 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:4.873
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:19.510
And I prepare Tails for memory erasure tests 0.629
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.296
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.425 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.599
After features/support/hooks.rb:100 0.015