Project Number Date
test_Tails_ISO_feature-arti 84 07 Jun 2025, 16:28

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 11:27.910 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
29.773
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 8.983
And I prepare Tails for memory erasure tests 0.413
When I start a process allocating 128 MiB of memory with a known pattern 7.248
Then patterns cover at least 128 MiB in the guest's memory 3.654 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.173
Then I find very few patterns in the guest's memory after 5 seconds 8.300 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.715
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.772
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 8.132
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 4.485 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.160
Then patterns cover at least 99% of the test FS size in the guest's memory 4.312 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.596
Then I find very few patterns in the guest's memory after 3 seconds 6.648 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.682
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.270
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 8.606
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.231
Then I find very few patterns in the guest's memory 3.955 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.489
Then patterns cover at least 75% of the test FS size in the guest's memory 4.123 
Pattern coverage: 89.347% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.023
Then I find very few patterns in the guest's memory after 3 seconds 6.559 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.235
And I read the content of the test FS 0.543
Then patterns cover at least 99% of the test FS size in the guest's memory 3.885 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.701
Then I find very few patterns in the guest's memory after 3 seconds 6.459 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.795
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.403
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 8.621
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.366
Then I find very few patterns in the guest's memory 3.188 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.809
Then patterns cover at least 99% of the test FS size in the guest's memory 3.418 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.744
Then I find very few patterns in the guest's memory after 3 seconds 6.201 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.825
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.564 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.577
Then I find very few patterns in the guest's memory after 3 seconds 6.189 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.453
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.347
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 8.263
And I prepare Tails for memory erasure tests 0.472
When I fill a 128 MiB file with a known pattern on the root filesystem 16.492
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.336
Then patterns cover at least 128 MiB in the guest's memory 2.910 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.044
Then I find very few patterns in the guest's memory after 20 seconds 20.827 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.513
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.342
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 6:45.093
And I prepare Tails for memory erasure tests 0.537
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.296
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.401 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:330 3.516
After features/support/hooks.rb:100 0.031