Project Number Date
test_Tails_ISO_stable 5726 19 Jun 2025, 10:33

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 14:33.795 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
31.809
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 10.744
And I prepare Tails for memory erasure tests 0.608
When I start a process allocating 128 MiB of memory with a known pattern 2.541
Then patterns cover at least 128 MiB in the guest's memory 8.678 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.648
Then I find very few patterns in the guest's memory after 5 seconds 8.587 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.984
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.240
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 13.757
And I prepare Tails for memory erasure tests 0.874
And I find very few patterns in the guest's memory 3.140 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.310
Then patterns cover at least 99% of the test FS size in the guest's memory 8.741 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.666
Then I find very few patterns in the guest's memory after 3 seconds 5.749 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.005
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.927
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 14.421
And I prepare Tails for memory erasure tests 0.472
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.470
Then I find very few patterns in the guest's memory 3.907 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.137
Then patterns cover at least 75% of the test FS size in the guest's memory 3.688 
Pattern coverage: 87.966% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.247
Then I find very few patterns in the guest's memory after 3 seconds 9.953 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.300
And I read the content of the test FS 0.727
Then patterns cover at least 99% of the test FS size in the guest's memory 3.322 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.528
Then I find very few patterns in the guest's memory after 3 seconds 5.748 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.115
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:56.355
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 10.216
And I prepare Tails for memory erasure tests 1.007
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:7.695
Then I find very few patterns in the guest's memory 2.934 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.295
Then patterns cover at least 99% of the test FS size in the guest's memory 5.997 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.936
Then I find very few patterns in the guest's memory after 3 seconds 6.474 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 2.604
And I read the content of the test FS 0.383
Then patterns cover at least 99% of the test FS size in the guest's memory 8.470 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.757
Then I find very few patterns in the guest's memory after 3 seconds 5.581 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.139
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.832
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 12.240
And I prepare Tails for memory erasure tests 0.619
When I fill a 128 MiB file with a known pattern on the root filesystem 17.610
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.337
Then patterns cover at least 128 MiB in the guest's memory 3.187 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.825 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.664
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:33.629
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:49.674
And I prepare Tails for memory erasure tests 0.557
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.318
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 22.064 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.759
After features/support/hooks.rb:100 0.013