Project Number Date
test_Tails_ISO_devel 3791 28 Apr 2025, 23:50

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 11:48.269 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
23.522
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 8.144
And I prepare Tails for memory erasure tests 0.509
When I start a process allocating 128 MiB of memory with a known pattern 2.575
Then patterns cover at least 128 MiB in the guest's memory 3.782 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.229
Then I find very few patterns in the guest's memory after 5 seconds 8.282 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.874
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.644
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 8.124
And I prepare Tails for memory erasure tests 0.415
And I find very few patterns in the guest's memory 3.123 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.091
Then patterns cover at least 99% of the test FS size in the guest's memory 4.174 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.490
Then I find very few patterns in the guest's memory after 3 seconds 6.223 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.701
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.573
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 8.206
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.021
Then I find very few patterns in the guest's memory 3.202 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.469
Then patterns cover at least 75% of the test FS size in the guest's memory 3.753 
Pattern coverage: 86.175% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.240
Then I find very few patterns in the guest's memory after 3 seconds 6.185 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.350
And I read the content of the test FS 0.704
Then patterns cover at least 99% of the test FS size in the guest's memory 3.503 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.500
Then I find very few patterns in the guest's memory after 3 seconds 6.014 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.834
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.159
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 8.518
And I prepare Tails for memory erasure tests 0.391
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.103
Then I find very few patterns in the guest's memory 2.517 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.882
Then patterns cover at least 99% of the test FS size in the guest's memory 4.432 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.881
Then I find very few patterns in the guest's memory after 3 seconds 5.631 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 5.532
And I read the content of the test FS 0.479
Then patterns cover at least 99% of the test FS size in the guest's memory 2.993 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.162
Then I find very few patterns in the guest's memory after 3 seconds 5.631 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 1.286
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.989
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 8.859
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the root filesystem 17.002
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.189
Then patterns cover at least 128 MiB in the guest's memory 2.708 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.799 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.557
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:5.380
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 7:19.110
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.514
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.304 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 3.484
After features/support/hooks.rb:100 0.011