Project Number Date
test_Tails_ISO_devel 3726 06 Mar 2025, 13:05

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 12:4.004 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
28.321
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 8.344
And I prepare Tails for memory erasure tests 0.438
When I start a process allocating 128 MiB of memory with a known pattern 4.970
Then patterns cover at least 128 MiB in the guest's memory 4.558 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.052
Then I find very few patterns in the guest's memory after 5 seconds 7.956 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.782
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 8.437
And I prepare Tails for memory erasure tests 0.450
And I find very few patterns in the guest's memory 3.075 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.386
Then patterns cover at least 99% of the test FS size in the guest's memory 3.757 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.898
Then I find very few patterns in the guest's memory after 3 seconds 6.775 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.342
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 8.906
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.538
Then I find very few patterns in the guest's memory 2.934 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.332
Then patterns cover at least 75% of the test FS size in the guest's memory 8.320 
Pattern coverage: 87.378% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.649
Then I find very few patterns in the guest's memory after 3 seconds 10.471 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.407
And I read the content of the test FS 1.116
Then patterns cover at least 99% of the test FS size in the guest's memory 9.890 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.327
Then I find very few patterns in the guest's memory after 3 seconds 11.002 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.398
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 8.835
And I prepare Tails for memory erasure tests 0.517
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.240
Then I find very few patterns in the guest's memory 2.954 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.287
Then patterns cover at least 99% of the test FS size in the guest's memory 3.326 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.152
Then I find very few patterns in the guest's memory after 3 seconds 6.794 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 8.279
And I read the content of the test FS 0.560
Then patterns cover at least 99% of the test FS size in the guest's memory 3.247 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.648
Then I find very few patterns in the guest's memory after 3 seconds 5.553 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 2.432
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.686
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 8.655
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the root filesystem 16.647
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.044
Then patterns cover at least 128 MiB in the guest's memory 2.883 
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 20.994 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.507
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:42.472
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 6:57.663
And I prepare Tails for memory erasure tests 0.729
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.873
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.187 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.012