Project Number Date
test_Tails_ISO_feature-arti 25 11 Apr 2025, 16:35

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 11:25.747 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
24.351
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 8.004
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 2.309
Then patterns cover at least 128 MiB in the guest's memory 3.973 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.174
Then I find very few patterns in the guest's memory after 5 seconds 8.458 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 0.767
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
38.548
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 21.854
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 3.116 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.185
Then patterns cover at least 99% of the test FS size in the guest's memory 3.575 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.675
Then I find very few patterns in the guest's memory after 3 seconds 6.727 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.703
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.737
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 8.149
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.267
Then I find very few patterns in the guest's memory 3.682 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.586
Then patterns cover at least 75% of the test FS size in the guest's memory 5.177 
Pattern coverage: 88.814% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.114
Then I find very few patterns in the guest's memory after 3 seconds 6.123 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.224
And I read the content of the test FS 0.466
Then patterns cover at least 99% of the test FS size in the guest's memory 3.451 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 6.638 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.370
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 8.117
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.658
Then I find very few patterns in the guest's memory 2.594 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.004
Then patterns cover at least 99% of the test FS size in the guest's memory 3.074 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.443
Then I find very few patterns in the guest's memory after 3 seconds 5.755 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 5.995
And I read the content of the test FS 1.051
Then patterns cover at least 99% of the test FS size in the guest's memory 3.590 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.879
Then I find very few patterns in the guest's memory after 3 seconds 5.793 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 1.388
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
49.202
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 8.429
And I prepare Tails for memory erasure tests 0.420
When I fill a 128 MiB file with a known pattern on the root filesystem 14.797
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.880
Then patterns cover at least 128 MiB in the guest's memory 2.881 
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 20.778 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.567
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.536
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 6:37.405
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.510
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.161 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.552
After features/support/hooks.rb:100 0.016