Project Number Date
test_Tails_ISO_stable 5759 05 Jul 2025, 14:17

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 16:2.100 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
52.024
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 25.046
And I prepare Tails for memory erasure tests 0.475
When I start a process allocating 128 MiB of memory with a known pattern 3.181
Then patterns cover at least 128 MiB in the guest's memory 10.272 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.832
Then I find very few patterns in the guest's memory after 5 seconds 12.217 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 2.917
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
39.613
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.026
Given I have started Tails from DVD without network and logged in 9.264
And I prepare Tails for memory erasure tests 0.529
And I find very few patterns in the guest's memory 10.329 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.272
Then patterns cover at least 99% of the test FS size in the guest's memory 3.600 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.749
Then I find very few patterns in the guest's memory after 3 seconds 12.866 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 2.650
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.151
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 8.726
And I prepare Tails for memory erasure tests 3.598
When I plug and mount a 128 MiB USB drive with a vfat filesystem 14.984
Then I find very few patterns in the guest's memory 11.141 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.757
Then patterns cover at least 75% of the test FS size in the guest's memory 3.518 
Pattern coverage: 92.699% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.772
Then I find very few patterns in the guest's memory after 3 seconds 14.545 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.249
And I read the content of the test FS 0.969
Then patterns cover at least 99% of the test FS size in the guest's memory 3.658 
Pattern coverage: 100.682% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.662
Then I find very few patterns in the guest's memory after 3 seconds 13.567 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.282
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:4.689
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 9.566
And I prepare Tails for memory erasure tests 1.074
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 54.445
Then I find very few patterns in the guest's memory 7.367 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.662
Then patterns cover at least 99% of the test FS size in the guest's memory 4.950 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.706
Then I find very few patterns in the guest's memory after 3 seconds 12.049 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 12.225
And I read the content of the test FS 0.662
Then patterns cover at least 99% of the test FS size in the guest's memory 10.080 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.824
Then I find very few patterns in the guest's memory after 3 seconds 6.074 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.719
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.575
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 15.720
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 20.152
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.391
Then patterns cover at least 128 MiB in the guest's memory 9.178 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.033
Then I find very few patterns in the guest's memory after 20 seconds 22.676 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.691
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:55.045
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 9:1.086
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.072
When I trigger shutdown 0.039
Then I find very few patterns in the guest's memory after 20 seconds 25.416 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:330 3.754
After features/support/hooks.rb:100 0.011