Project Number Date
test_Tails_ISO_feature-arti 42 27 Apr 2025, 16:36

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 12:6.427 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
25.401
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.754
And I prepare Tails for memory erasure tests 0.627
When I start a process allocating 128 MiB of memory with a known pattern 2.438
Then patterns cover at least 128 MiB in the guest's memory 4.014 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.802
Then I find very few patterns in the guest's memory after 5 seconds 8.763 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.065
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.711
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 9.764
And I prepare Tails for memory erasure tests 0.564
And I find very few patterns in the guest's memory 5.194 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.043
Then patterns cover at least 99% of the test FS size in the guest's memory 5.014 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.424
Then I find very few patterns in the guest's memory after 3 seconds 6.705 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
After features/support/hooks.rb:330 0.856
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.684
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 9.359
And I prepare Tails for memory erasure tests 0.629
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.781
Then I find very few patterns in the guest's memory 3.465 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.511
Then patterns cover at least 75% of the test FS size in the guest's memory 3.925 
Pattern coverage: 87.314% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.765
Then I find very few patterns in the guest's memory after 3 seconds 6.840 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.229
And I read the content of the test FS 1.870
Then patterns cover at least 99% of the test FS size in the guest's memory 3.795 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.440
Then I find very few patterns in the guest's memory after 3 seconds 7.068 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.292
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.554
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 9.021
And I prepare Tails for memory erasure tests 1.029
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.577
Then I find very few patterns in the guest's memory 3.311 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.850
Then patterns cover at least 99% of the test FS size in the guest's memory 3.487 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.748
Then I find very few patterns in the guest's memory after 3 seconds 6.094 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 4.746
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 3.415 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.770
Then I find very few patterns in the guest's memory after 3 seconds 5.990 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.775
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 8.205
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 18.431
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.191
Then patterns cover at least 128 MiB in the guest's memory 5.505 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.075
Then I find very few patterns in the guest's memory after 20 seconds 20.920 
Pattern coverage: 0.000% (0 MiB out of 851 MiB reference memory)
After features/support/hooks.rb:330 3.550
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:6.299
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:18.492
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.905
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.418 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.591
After features/support/hooks.rb:100 0.015