Project Number Date
test_Tails_ISO_devel 3858 08 Jun 2025, 12:42

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 12:12.263 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
27.001
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 8.107
And I prepare Tails for memory erasure tests 0.439
When I start a process allocating 128 MiB of memory with a known pattern 4.198
Then patterns cover at least 128 MiB in the guest's memory 4.328 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.998
Then I find very few patterns in the guest's memory after 5 seconds 8.928 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 0.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.241
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 8.452
And I prepare Tails for memory erasure tests 0.531
And I find very few patterns in the guest's memory 3.480 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.640
Then patterns cover at least 99% of the test FS size in the guest's memory 3.951 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.511
Then I find very few patterns in the guest's memory after 3 seconds 6.673 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.624
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 8.026
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.017
Then I find very few patterns in the guest's memory 3.715 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.676
Then patterns cover at least 75% of the test FS size in the guest's memory 4.246 
Pattern coverage: 88.480% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.077
Then I find very few patterns in the guest's memory after 3 seconds 6.587 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# read cache
When I mount the USB drive again 0.267
And I read the content of the test FS 1.709
Then patterns cover at least 99% of the test FS size in the guest's memory 6.671 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.898
Then I find very few patterns in the guest's memory after 3 seconds 7.286 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 1.200
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.270
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 8.150
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.920
Then I find very few patterns in the guest's memory 2.806 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.774
Then patterns cover at least 99% of the test FS size in the guest's memory 3.384 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 6.075 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 8.173
And I read the content of the test FS 0.474
Then patterns cover at least 99% of the test FS size in the guest's memory 3.487 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.782
Then I find very few patterns in the guest's memory after 3 seconds 6.057 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.662
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.809
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 8.753
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the root filesystem 16.956
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.952
Then patterns cover at least 128 MiB in the guest's memory 3.082 
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 21.585 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.598
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:9.314
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 7:25.699
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.814
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.359 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.539
After features/support/hooks.rb:100 0.015