Project Number Date
test_Tails_ISO_stable 5633 07 May 2025, 21:15

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 11:26.853 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
24.365
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 8.075
And I prepare Tails for memory erasure tests 0.609
When I start a process allocating 128 MiB of memory with a known pattern 2.688
Then patterns cover at least 128 MiB in the guest's memory 3.667 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.029
Then I find very few patterns in the guest's memory after 5 seconds 8.295 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.650
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.006
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 8.299
And I prepare Tails for memory erasure tests 0.544
And I find very few patterns in the guest's memory 3.133 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.969
Then patterns cover at least 99% of the test FS size in the guest's memory 3.572 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.447
Then I find very few patterns in the guest's memory after 3 seconds 6.040 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.644
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.933
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 8.405
And I prepare Tails for memory erasure tests 0.648
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.155
Then I find very few patterns in the guest's memory 3.248 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.612
Then patterns cover at least 75% of the test FS size in the guest's memory 3.820 
Pattern coverage: 89.368% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.225
Then I find very few patterns in the guest's memory after 3 seconds 6.197 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# read cache
When I mount the USB drive again 0.232
And I read the content of the test FS 0.933
Then patterns cover at least 99% of the test FS size in the guest's memory 3.562 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.538
Then I find very few patterns in the guest's memory after 3 seconds 6.352 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 0.901
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.185
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 8.237
And I prepare Tails for memory erasure tests 0.556
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.019
Then I find very few patterns in the guest's memory 2.857 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.790
Then patterns cover at least 99% of the test FS size in the guest's memory 4.574 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.788
Then I find very few patterns in the guest's memory after 3 seconds 6.916 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 4.091
And I read the content of the test FS 1.965
Then patterns cover at least 99% of the test FS size in the guest's memory 3.840 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.564
Then I find very few patterns in the guest's memory after 3 seconds 5.983 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.941
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.802
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 8.870
And I prepare Tails for memory erasure tests 0.655
When I fill a 128 MiB file with a known pattern on the root filesystem 12.506
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.304
Then patterns cover at least 128 MiB in the guest's memory 2.657 
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 20.792 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.518
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:46.560
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 7:4.276
And I prepare Tails for memory erasure tests 0.360
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.624
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.285 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.013