Project Number Date
test_Tails_ISO_feature-arti 69 25 May 2025, 16:22

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 11:15.618 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
23.722
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 7.939
And I prepare Tails for memory erasure tests 0.419
When I start a process allocating 128 MiB of memory with a known pattern 2.515
Then patterns cover at least 128 MiB in the guest's memory 3.328 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.919
Then I find very few patterns in the guest's memory after 5 seconds 8.600 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.210
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 8.234
And I prepare Tails for memory erasure tests 0.429
And I find very few patterns in the guest's memory 3.694 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.077
Then patterns cover at least 99% of the test FS size in the guest's memory 3.667 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.091
Then I find very few patterns in the guest's memory after 3 seconds 7.014 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.742
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.306
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 8.192
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.935
Then I find very few patterns in the guest's memory 3.825 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.441
Then patterns cover at least 75% of the test FS size in the guest's memory 4.086 
Pattern coverage: 90.250% (115 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 6.671 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.279
And I read the content of the test FS 0.809
Then patterns cover at least 99% of the test FS size in the guest's memory 3.932 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.602
Then I find very few patterns in the guest's memory after 3 seconds 7.015 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.771
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.530
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 8.400
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.616
Then I find very few patterns in the guest's memory 3.584 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.120
Then patterns cover at least 99% of the test FS size in the guest's memory 2.503 
Pattern coverage: 106.113% (97 MiB out of 91 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 6.065 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 4.440
And I read the content of the test FS 0.434
Then patterns cover at least 99% of the test FS size in the guest's memory 3.553 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 6.057 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.104
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.584
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 8.227
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the root filesystem 18.378
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.924
Then patterns cover at least 128 MiB in the guest's memory 2.724 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.899 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.621
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.263
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 6:45.363
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.134
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.351 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.535
After features/support/hooks.rb:100 0.072