Project Number Date
test_Tails_ISO_feature-arti 53 09 May 2025, 16:42

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 11:58.366 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
25.178
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 8.828
And I prepare Tails for memory erasure tests 0.493
When I start a process allocating 128 MiB of memory with a known pattern 2.313
Then patterns cover at least 128 MiB in the guest's memory 4.260 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.387
Then I find very few patterns in the guest's memory after 5 seconds 8.894 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.383
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 10.278
And I prepare Tails for memory erasure tests 0.578
And I find very few patterns in the guest's memory 4.038 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.103
Then patterns cover at least 99% of the test FS size in the guest's memory 4.436 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.957
Then I find very few patterns in the guest's memory after 3 seconds 6.990 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.972
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.055
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 9.563
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.305
Then I find very few patterns in the guest's memory 3.761 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.987
Then patterns cover at least 75% of the test FS size in the guest's memory 4.992 
Pattern coverage: 86.288% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.108
Then I find very few patterns in the guest's memory after 3 seconds 7.320 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 2.862
Then patterns cover at least 99% of the test FS size in the guest's memory 4.311 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.378
Then I find very few patterns in the guest's memory after 3 seconds 6.724 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.008
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.391
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 9.131
And I prepare Tails for memory erasure tests 0.687
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.538
Then I find very few patterns in the guest's memory 2.802 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.672
Then patterns cover at least 99% of the test FS size in the guest's memory 3.629 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.918
Then I find very few patterns in the guest's memory after 3 seconds 6.421 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 5.094
And I read the content of the test FS 2.058
Then patterns cover at least 99% of the test FS size in the guest's memory 3.765 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 6.964 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.178
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 8.601
And I prepare Tails for memory erasure tests 0.618
When I fill a 128 MiB file with a known pattern on the root filesystem 16.060
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.851
Then patterns cover at least 128 MiB in the guest's memory 3.200 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.834 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.717
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.178
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 7:3.274
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.970
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.445 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.514
After features/support/hooks.rb:100 0.014