Project Number Date
test_Tails_ISO_stable 5698 04 Jun 2025, 13:33

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 11:17.359 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
28.530
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 8.244
And I prepare Tails for memory erasure tests 0.515
When I start a process allocating 128 MiB of memory with a known pattern 7.294
Then patterns cover at least 128 MiB in the guest's memory 3.821 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.337
Then I find very few patterns in the guest's memory after 5 seconds 8.317 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.684
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.847
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 8.462
And I prepare Tails for memory erasure tests 0.422
And I find very few patterns in the guest's memory 3.162 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.730
Then patterns cover at least 99% of the test FS size in the guest's memory 3.659 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.395
Then I find very few patterns in the guest's memory after 3 seconds 7.014 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.607
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.414
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 8.251
And I prepare Tails for memory erasure tests 0.526
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.190
Then I find very few patterns in the guest's memory 3.351 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.384
Then patterns cover at least 75% of the test FS size in the guest's memory 3.745 
Pattern coverage: 91.493% (116 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 6.332 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 0.259
And I read the content of the test FS 0.745
Then patterns cover at least 99% of the test FS size in the guest's memory 3.566 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.713
Then I find very few patterns in the guest's memory after 3 seconds 6.233 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 0.794
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.108
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 8.243
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.418
Then I find very few patterns in the guest's memory 2.770 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.840
Then patterns cover at least 99% of the test FS size in the guest's memory 3.239 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.706
Then I find very few patterns in the guest's memory after 3 seconds 5.878 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 3.922
And I read the content of the test FS 0.537
Then patterns cover at least 99% of the test FS size in the guest's memory 3.047 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.477
Then I find very few patterns in the guest's memory after 3 seconds 5.567 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.411
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.647
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 8.294
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the root filesystem 17.385
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.996
Then patterns cover at least 128 MiB in the guest's memory 2.668 
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 20.834 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.515
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.809
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 6:44.917
And I prepare Tails for memory erasure tests 0.597
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.887
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.395 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.602
After features/support/hooks.rb:100 0.012