Project Number Date
test_Tails_ISO_21027-fix-interactive-debugging-context 14 29 Jun 2025, 21:00

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 15:14.978 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
35.796
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 13.062
And I prepare Tails for memory erasure tests 2.009
When I start a process allocating 128 MiB of memory with a known pattern 1.788
Then patterns cover at least 128 MiB in the guest's memory 4.396 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.700
Then I find very few patterns in the guest's memory after 5 seconds 13.838 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 1.656
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
36.948
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 8.848
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 11.031 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.946
Then patterns cover at least 99% of the test FS size in the guest's memory 3.231 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.467
Then I find very few patterns in the guest's memory after 3 seconds 10.978 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 2.253
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.906
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 9.620
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.652
Then I find very few patterns in the guest's memory 3.219 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.848
Then patterns cover at least 75% of the test FS size in the guest's memory 7.354 
Pattern coverage: 90.406% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.903
Then I find very few patterns in the guest's memory after 3 seconds 10.156 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 0.681
And I read the content of the test FS 1.141
Then patterns cover at least 99% of the test FS size in the guest's memory 5.394 
Pattern coverage: 100.596% (128 MiB out of 127 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 5.910 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 1.436
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:8.427
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 17.106
And I prepare Tails for memory erasure tests 0.681
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:1.018
Then I find very few patterns in the guest's memory 4.214 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.974
Then patterns cover at least 99% of the test FS size in the guest's memory 5.200 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 4.876
Then I find very few patterns in the guest's memory after 3 seconds 9.275 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
# read cache
When I mount the USB drive again 7.007
And I read the content of the test FS 0.495
Then patterns cover at least 99% of the test FS size in the guest's memory 2.558 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.004
Then I find very few patterns in the guest's memory after 3 seconds 11.014 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
After features/support/hooks.rb:330 2.804
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:1.355
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 8.830
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the root filesystem 20.885
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.150
Then patterns cover at least 128 MiB in the guest's memory 6.329 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.029
Then I find very few patterns in the guest's memory after 20 seconds 20.729 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.574
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:44.543
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:58.972
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.084
When I trigger shutdown 0.048
Then I find very few patterns in the guest's memory after 20 seconds 21.973 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:330 5.238
After features/support/hooks.rb:100 0.160