Project Number Date
test_Tails_ISO_arti-1.4.3 11 17 May 2025, 01:30

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 11:17.612 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
25.238
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 8.254
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 2.402
Then patterns cover at least 128 MiB in the guest's memory 4.249 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.012
Then I find very few patterns in the guest's memory after 5 seconds 8.878 
Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)
After features/support/hooks.rb:330 0.702
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.568
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 8.313
And I prepare Tails for memory erasure tests 0.579
And I find very few patterns in the guest's memory 3.833 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.311
Then patterns cover at least 99% of the test FS size in the guest's memory 4.225 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.728
Then I find very few patterns in the guest's memory after 3 seconds 6.575 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.656
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.561
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 9.273
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.019
Then I find very few patterns in the guest's memory 3.703 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.735
Then patterns cover at least 75% of the test FS size in the guest's memory 3.821 
Pattern coverage: 91.009% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.149
Then I find very few patterns in the guest's memory after 3 seconds 7.134 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 0.199
And I read the content of the test FS 0.620
Then patterns cover at least 99% of the test FS size in the guest's memory 8.442 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.460
Then I find very few patterns in the guest's memory after 3 seconds 6.521 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 0.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.431
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 8.030
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.640
Then I find very few patterns in the guest's memory 3.150 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.746
Then patterns cover at least 99% of the test FS size in the guest's memory 3.767 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.882
Then I find very few patterns in the guest's memory after 3 seconds 6.103 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 3.631
And I read the content of the test FS 0.703
Then patterns cover at least 99% of the test FS size in the guest's memory 3.751 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 5.903 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 1.988
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.801
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 8.045
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the root filesystem 17.891
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.021
Then patterns cover at least 128 MiB in the guest's memory 2.609 
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 20.747 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.611
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.010
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 6:41.012
And I prepare Tails for memory erasure tests 0.506
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.231
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.248 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.028