Project Number Date
test_Tails_ISO_feature-arti 89 12 Jun 2025, 17:19

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 13:7.503 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
31.056
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 10.456
And I prepare Tails for memory erasure tests 0.727
When I start a process allocating 128 MiB of memory with a known pattern 4.130
Then patterns cover at least 128 MiB in the guest's memory 4.747 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.700
Then I find very few patterns in the guest's memory after 5 seconds 9.293 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.979
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 9.575
And I prepare Tails for memory erasure tests 0.550
And I find very few patterns in the guest's memory 4.389 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.226
Then patterns cover at least 99% of the test FS size in the guest's memory 4.692 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.835
Then I find very few patterns in the guest's memory after 3 seconds 7.708 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.957
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.155
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 9.814
And I prepare Tails for memory erasure tests 0.542
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.309
Then I find very few patterns in the guest's memory 4.637 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.278
Then patterns cover at least 75% of the test FS size in the guest's memory 5.186 
Pattern coverage: 87.424% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.383
Then I find very few patterns in the guest's memory after 3 seconds 7.824 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.307
And I read the content of the test FS 4.565
Then patterns cover at least 99% of the test FS size in the guest's memory 4.107 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.632
Then I find very few patterns in the guest's memory after 3 seconds 6.564 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.207
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.998
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 8.754
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.861
Then I find very few patterns in the guest's memory 2.899 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.492
Then patterns cover at least 99% of the test FS size in the guest's memory 4.745 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.668
Then I find very few patterns in the guest's memory after 3 seconds 6.614 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 4.647
And I read the content of the test FS 2.052
Then patterns cover at least 99% of the test FS size in the guest's memory 4.722 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.647
Then I find very few patterns in the guest's memory after 3 seconds 6.441 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.767
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.996
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 9.403
And I prepare Tails for memory erasure tests 0.729
When I fill a 128 MiB file with a known pattern on the root filesystem 20.386
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.825
Then patterns cover at least 128 MiB in the guest's memory 3.691 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.054
Then I find very few patterns in the guest's memory after 20 seconds 20.904 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.563
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:42.318
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 7:58.621
And I prepare Tails for memory erasure tests 0.568
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.747
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.367 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.607
After features/support/hooks.rb:100 0.038