Project Number Date
test_Tails_ISO_stable 5515 14 Mar 2025, 13:11

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 11:23.753 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
27.064
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 9.260
And I prepare Tails for memory erasure tests 0.700
When I start a process allocating 128 MiB of memory with a known pattern 2.641
Then patterns cover at least 128 MiB in the guest's memory 5.444 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.854
Then I find very few patterns in the guest's memory after 5 seconds 8.162 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 5.421
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.225
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 8.745
And I prepare Tails for memory erasure tests 0.688
And I find very few patterns in the guest's memory 3.711 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.526
Then patterns cover at least 99% of the test FS size in the guest's memory 4.079 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.760
Then I find very few patterns in the guest's memory after 3 seconds 6.714 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.341
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.833
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 8.183
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.459
Then I find very few patterns in the guest's memory 3.803 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.523
Then patterns cover at least 75% of the test FS size in the guest's memory 3.766 
Pattern coverage: 84.433% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.281
Then I find very few patterns in the guest's memory after 3 seconds 6.854 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.280
And I read the content of the test FS 1.820
Then patterns cover at least 99% of the test FS size in the guest's memory 4.242 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.525
Then I find very few patterns in the guest's memory after 3 seconds 6.640 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.299
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.204
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 8.181
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.949
Then I find very few patterns in the guest's memory 3.273 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.631
Then patterns cover at least 99% of the test FS size in the guest's memory 3.516 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.503
Then I find very few patterns in the guest's memory after 3 seconds 5.995 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.091
And I read the content of the test FS 0.841
Then patterns cover at least 99% of the test FS size in the guest's memory 3.512 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.035
Then I find very few patterns in the guest's memory after 3 seconds 6.242 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.741
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.199
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 9.669
And I prepare Tails for memory erasure tests 0.559
When I fill a 128 MiB file with a known pattern on the root filesystem 15.103
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.866
Then patterns cover at least 128 MiB in the guest's memory 3.102 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.884 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 3.617
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.225
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 6:40.871
And I prepare Tails for memory erasure tests 0.604
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.405
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.328 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 3.570
After features/support/hooks.rb:100 0.034