Project Number Date
test_Tails_ISO_devel 3881 23 Jun 2025, 13:17

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 11:55.228 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
25.701
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 9.228
And I prepare Tails for memory erasure tests 1.074
When I start a process allocating 128 MiB of memory with a known pattern 2.333
Then patterns cover at least 128 MiB in the guest's memory 3.775 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.052
Then I find very few patterns in the guest's memory after 5 seconds 8.237 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.768
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.003
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 9.438
And I prepare Tails for memory erasure tests 0.546
And I find very few patterns in the guest's memory 3.466 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.837
Then patterns cover at least 99% of the test FS size in the guest's memory 4.049 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.489
Then I find very few patterns in the guest's memory after 3 seconds 6.175 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.987
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:5.666
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 23.288
And I prepare Tails for memory erasure tests 0.675
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.252
Then I find very few patterns in the guest's memory 5.080 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.783
Then patterns cover at least 75% of the test FS size in the guest's memory 3.910 
Pattern coverage: 87.280% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.934
Then I find very few patterns in the guest's memory after 3 seconds 6.443 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.233
And I read the content of the test FS 0.473
Then patterns cover at least 99% of the test FS size in the guest's memory 5.284 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.404
Then I find very few patterns in the guest's memory after 3 seconds 5.901 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.777
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.543
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 8.672
And I prepare Tails for memory erasure tests 1.117
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.950
Then I find very few patterns in the guest's memory 3.634 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.808
Then patterns cover at least 99% of the test FS size in the guest's memory 2.868 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.837
Then I find very few patterns in the guest's memory after 3 seconds 7.140 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 5.190
And I read the content of the test FS 0.535
Then patterns cover at least 99% of the test FS size in the guest's memory 4.497 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.866
Then I find very few patterns in the guest's memory after 3 seconds 6.423 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.887
After features/support/hooks.rb:100 0.010
Tags: @product @slow @not_release_blocker
51.840
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.056
Given I have started Tails from DVD without network and logged in 9.039
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the root filesystem 15.814
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.092
Then patterns cover at least 128 MiB in the guest's memory 3.525 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.909 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.511
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.472
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 6:53.305
And I prepare Tails for memory erasure tests 0.596
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.213
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.345 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.626
After features/support/hooks.rb:100 0.017