Project Number Date
test_Tails_ISO_stable 5536 28 Mar 2025, 12:47

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 11:16.555 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
24.220
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 8.000
And I prepare Tails for memory erasure tests 0.413
When I start a process allocating 128 MiB of memory with a known pattern 2.583
Then patterns cover at least 128 MiB in the guest's memory 3.628 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.041
Then I find very few patterns in the guest's memory after 5 seconds 8.552 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.951
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.004
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 9.468
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 3.212 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.592
Then patterns cover at least 99% of the test FS size in the guest's memory 3.728 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.347
Then I find very few patterns in the guest's memory after 3 seconds 6.190 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.793
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 8.042
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.015
Then I find very few patterns in the guest's memory 3.297 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.358
Then patterns cover at least 75% of the test FS size in the guest's memory 3.813 
Pattern coverage: 88.952% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.625
Then I find very few patterns in the guest's memory after 3 seconds 6.345 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.569
And I read the content of the test FS 1.018
Then patterns cover at least 99% of the test FS size in the guest's memory 3.897 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 5.963 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.866
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.879
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 10.248
And I prepare Tails for memory erasure tests 0.371
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.508
Then I find very few patterns in the guest's memory 2.490 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.532
Then patterns cover at least 99% of the test FS size in the guest's memory 2.853 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 5.531 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 4.416
And I read the content of the test FS 0.533
Then patterns cover at least 99% of the test FS size in the guest's memory 2.906 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.510
Then I find very few patterns in the guest's memory after 3 seconds 5.314 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.049
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.740
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 9.117
And I prepare Tails for memory erasure tests 0.490
When I fill a 128 MiB file with a known pattern on the root filesystem 15.463
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 8.364
Then patterns cover at least 128 MiB in the guest's memory 2.555 
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 20.735 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.494
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.918
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:46.851
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.362
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.261 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.011