Project Number Date
test_Tails_ISO_stable 5764 09 Jul 2025, 14:22

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 15:13.309 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
33.104
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 1.606
When I start a process allocating 128 MiB of memory with a known pattern 2.238
Then patterns cover at least 128 MiB in the guest's memory 6.782 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.410
Then I find very few patterns in the guest's memory after 5 seconds 12.500 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.236
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
40.612
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 9.755
And I prepare Tails for memory erasure tests 0.498
And I find very few patterns in the guest's memory 10.460 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.282
Then patterns cover at least 99% of the test FS size in the guest's memory 3.551 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.410
Then I find very few patterns in the guest's memory after 3 seconds 13.655 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 2.305
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.108
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 10.503
And I prepare Tails for memory erasure tests 2.694
When I plug and mount a 128 MiB USB drive with a vfat filesystem 13.593
Then I find very few patterns in the guest's memory 12.035 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.453
Then patterns cover at least 75% of the test FS size in the guest's memory 3.279 
Pattern coverage: 88.811% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.749
Then I find very few patterns in the guest's memory after 3 seconds 12.668 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.466
And I read the content of the test FS 0.840
Then patterns cover at least 99% of the test FS size in the guest's memory 3.831 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 12.524 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.544
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:41.136
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails from DVD without network and logged in 9.147
And I prepare Tails for memory erasure tests 1.740
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 45.290
Then I find very few patterns in the guest's memory 5.901 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.898
Then patterns cover at least 99% of the test FS size in the guest's memory 4.139 
Pattern coverage: 100.955% (92 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.696
Then I find very few patterns in the guest's memory after 3 seconds 11.081 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.832
And I read the content of the test FS 0.611
Then patterns cover at least 99% of the test FS size in the guest's memory 3.059 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.248
Then I find very few patterns in the guest's memory after 3 seconds 14.489 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.440
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.161
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 24.070
And I prepare Tails for memory erasure tests 0.622
When I fill a 128 MiB file with a known pattern on the root filesystem 19.817
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.884
Then patterns cover at least 128 MiB in the guest's memory 8.471 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.030
Then I find very few patterns in the guest's memory after 20 seconds 21.264 
Pattern coverage: 0.000% (0 MiB out of 853 MiB reference memory)
After features/support/hooks.rb:330 3.662
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:45.184
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 8:58.498
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.897
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.369 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:330 4.128
After features/support/hooks.rb:100 0.036