Project Number Date
test_Tails_ISO_tca-misc-improvements 3 10 Apr 2025, 20:03

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 11:17.812 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
26.055
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 8.050
And I prepare Tails for memory erasure tests 0.465
When I start a process allocating 128 MiB of memory with a known pattern 4.734
Then patterns cover at least 128 MiB in the guest's memory 3.466 
Pattern coverage: 100.003% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.962
Then I find very few patterns in the guest's memory after 5 seconds 8.376 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 2.192
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.073
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 8.017
And I prepare Tails for memory erasure tests 0.518
And I find very few patterns in the guest's memory 3.043 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.928
Then patterns cover at least 99% of the test FS size in the guest's memory 3.152 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.537
Then I find very few patterns in the guest's memory after 3 seconds 6.875 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.199
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.206
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 8.198
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.060
Then I find very few patterns in the guest's memory 3.381 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.510
Then patterns cover at least 75% of the test FS size in the guest's memory 4.145 
Pattern coverage: 85.523% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.982
Then I find very few patterns in the guest's memory after 3 seconds 6.290 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.259
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.659 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 6.232 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.092
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.412
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 8.223
And I prepare Tails for memory erasure tests 0.453
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.870
Then I find very few patterns in the guest's memory 3.082 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.640
Then patterns cover at least 99% of the test FS size in the guest's memory 3.065 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.159
Then I find very few patterns in the guest's memory after 3 seconds 5.743 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.898
And I read the content of the test FS 0.529
Then patterns cover at least 99% of the test FS size in the guest's memory 2.905 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.546
Then I find very few patterns in the guest's memory after 3 seconds 6.293 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.677
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.144
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 8.192
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 16.326
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.080
Then patterns cover at least 128 MiB in the guest's memory 3.936 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.171 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.494
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.919
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 6:48.998
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 23.325
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.152 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 3.543
After features/support/hooks.rb:100 0.012