Project Number Date
test_Tails_ISO_stable 5715 14 Jun 2025, 13:15

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 13:23.610 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
31.172
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails from DVD without network and logged in 12.953
And I prepare Tails for memory erasure tests 0.460
When I start a process allocating 128 MiB of memory with a known pattern 2.346
Then patterns cover at least 128 MiB in the guest's memory 4.826 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.460
Then I find very few patterns in the guest's memory after 5 seconds 10.125 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.968
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
36.048
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 8.883
And I prepare Tails for memory erasure tests 0.440
And I find very few patterns in the guest's memory 6.156 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.895
Then patterns cover at least 99% of the test FS size in the guest's memory 4.165 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.972
Then I find very few patterns in the guest's memory after 3 seconds 12.532 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.905
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.583
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 9.119
And I prepare Tails for memory erasure tests 0.559
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.874
Then I find very few patterns in the guest's memory 4.073 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.216
Then patterns cover at least 75% of the test FS size in the guest's memory 6.127 
Pattern coverage: 90.452% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.253
Then I find very few patterns in the guest's memory after 3 seconds 7.730 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.349
And I read the content of the test FS 0.782
Then patterns cover at least 99% of the test FS size in the guest's memory 4.161 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.515
Then I find very few patterns in the guest's memory after 3 seconds 9.819 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.102
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:39.907
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 8.925
And I prepare Tails for memory erasure tests 0.583
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 47.915
Then I find very few patterns in the guest's memory 4.480 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.735
Then patterns cover at least 99% of the test FS size in the guest's memory 4.605 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.971
Then I find very few patterns in the guest's memory after 3 seconds 7.220 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 5.521
And I read the content of the test FS 0.980
Then patterns cover at least 99% of the test FS size in the guest's memory 5.949 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.588
Then I find very few patterns in the guest's memory after 3 seconds 9.429 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.137
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 9.101
And I prepare Tails for memory erasure tests 2.026
When I fill a 128 MiB file with a known pattern on the root filesystem 14.758
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.166
Then patterns cover at least 128 MiB in the guest's memory 5.616 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.454 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 4.236
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:40.761
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 7:56.148
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.740
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.445 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.011