Project Number Date
test_Tails_ISO_feature-arti 104 02 Jul 2025, 18:03

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 12:26.279 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
27.265
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 10.674
And I prepare Tails for memory erasure tests 0.699
When I start a process allocating 128 MiB of memory with a known pattern 2.367
Then patterns cover at least 128 MiB in the guest's memory 3.643 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.579
Then I find very few patterns in the guest's memory after 5 seconds 9.301 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 1.162
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.219
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 8.974
And I prepare Tails for memory erasure tests 0.469
And I find very few patterns in the guest's memory 2.940 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.107
Then patterns cover at least 99% of the test FS size in the guest's memory 4.218 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.887
Then I find very few patterns in the guest's memory after 3 seconds 5.622 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.645
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 11.022
And I prepare Tails for memory erasure tests 0.699
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.616
Then I find very few patterns in the guest's memory 2.970 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.218
Then patterns cover at least 75% of the test FS size in the guest's memory 4.579 
Pattern coverage: 91.878% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.109
Then I find very few patterns in the guest's memory after 3 seconds 5.418 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.309
And I read the content of the test FS 0.575
Then patterns cover at least 99% of the test FS size in the guest's memory 3.125 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.560
Then I find very few patterns in the guest's memory after 3 seconds 7.440 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.010
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.211
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 8.914
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.320
Then I find very few patterns in the guest's memory 5.708 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.733
Then patterns cover at least 99% of the test FS size in the guest's memory 3.383 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.696
Then I find very few patterns in the guest's memory after 3 seconds 5.437 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 7.323
And I read the content of the test FS 0.637
Then patterns cover at least 99% of the test FS size in the guest's memory 3.646 
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 5.371 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 1.451
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.986
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 8.990
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the root filesystem 17.419
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.856
Then patterns cover at least 128 MiB in the guest's memory 3.435 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.825 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.615
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:20.950
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 7:34.865
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.568
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.086 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.012