Project Number Date
test_Tails_ISO_feature-arti 79 02 Jun 2025, 17:39

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 11:4.644 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
23.054
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 8.051
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 1.337
Then patterns cover at least 128 MiB in the guest's memory 3.563 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.684
Then I find very few patterns in the guest's memory after 5 seconds 8.991 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.859
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.861
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 8.196
And I prepare Tails for memory erasure tests 0.453
And I find very few patterns in the guest's memory 3.479 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.962
Then patterns cover at least 99% of the test FS size in the guest's memory 3.507 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.858
Then I find very few patterns in the guest's memory after 3 seconds 6.405 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.686
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.885
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 8.770
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.159
Then I find very few patterns in the guest's memory 3.391 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.310
Then patterns cover at least 75% of the test FS size in the guest's memory 3.637 
Pattern coverage: 86.751% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.826
Then I find very few patterns in the guest's memory after 3 seconds 6.180 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.222
And I read the content of the test FS 0.614
Then patterns cover at least 99% of the test FS size in the guest's memory 3.640 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.322
Then I find very few patterns in the guest's memory after 3 seconds 6.421 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.752
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.408
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 8.153
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.560
Then I find very few patterns in the guest's memory 2.579 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.589
Then patterns cover at least 99% of the test FS size in the guest's memory 3.124 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.615
Then I find very few patterns in the guest's memory after 3 seconds 5.993 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.386
And I read the content of the test FS 0.432
Then patterns cover at least 99% of the test FS size in the guest's memory 3.156 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 5.742 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.206
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.245
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 7.944
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 17.426
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.661
Then patterns cover at least 128 MiB in the guest's memory 2.855 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.918 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.527
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.188
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 6:39.514
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.712
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.500 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.685
After features/support/hooks.rb:100 0.014