Project Number Date
test_Tails_ISO_stable 5388 12 Jan 2025, 08:34

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 12:6.203 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
23.159
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.903
And I prepare Tails for memory erasure tests 0.379
When I start a process allocating 128 MiB of memory with a known pattern 2.807
Then patterns cover at least 128 MiB in the guest's memory 3.682 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.572
Then I find very few patterns in the guest's memory after 3 seconds 5.813 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.852
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.979
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 2.824 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.064
Then patterns cover at least 99% of the test FS size in the guest's memory 3.224 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.688
Then I find very few patterns in the guest's memory after 3 seconds 5.675 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.817
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.006
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.728
And I prepare Tails for memory erasure tests 0.980
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.387
Then I find very few patterns in the guest's memory 2.848 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 8.868
Then patterns cover at least 75% of the test FS size in the guest's memory 3.967 
Pattern coverage: 85.707% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.128
Then I find very few patterns in the guest's memory after 3 seconds 6.433 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 3.117
And I read the content of the test FS 0.721
Then patterns cover at least 99% of the test FS size in the guest's memory 3.291 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.081
Then I find very few patterns in the guest's memory after 3 seconds 6.450 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.914
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.314
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.940
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.471
Then I find very few patterns in the guest's memory 2.348 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.438
Then patterns cover at least 99% of the test FS size in the guest's memory 2.750 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.419
Then I find very few patterns in the guest's memory after 3 seconds 5.287 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 5.881
And I read the content of the test FS 0.431
Then patterns cover at least 99% of the test FS size in the guest's memory 2.414 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.837
Then I find very few patterns in the guest's memory after 3 seconds 5.696 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.132
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.491
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.859
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the root filesystem 14.642
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.246
Then patterns cover at least 128 MiB in the guest's memory 2.539 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.796 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.477
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:12.378
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:28.037
And I prepare Tails for memory erasure tests 1.125
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.054
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.149 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.475
After features/support/hooks.rb:100 0.011