Project Number Date
test_Tails_ISO_stable 5519 17 Mar 2025, 17:05

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 11:1.808 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
24.458
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 8.115
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.314
Then patterns cover at least 128 MiB in the guest's memory 3.699 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.354
Then I find very few patterns in the guest's memory after 5 seconds 8.552 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.795
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.500
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 8.280
And I prepare Tails for memory erasure tests 0.428
And I find very few patterns in the guest's memory 3.138 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.917
Then patterns cover at least 99% of the test FS size in the guest's memory 3.695 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.703
Then I find very few patterns in the guest's memory after 3 seconds 6.337 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.785
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.309
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.045
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.280
Then I find very few patterns in the guest's memory 3.581 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.833
Then patterns cover at least 75% of the test FS size in the guest's memory 4.763 
Pattern coverage: 86.190% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.354
Then I find very few patterns in the guest's memory after 3 seconds 6.231 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.791
And I read the content of the test FS 0.513
Then patterns cover at least 99% of the test FS size in the guest's memory 3.492 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.643
Then I find very few patterns in the guest's memory after 3 seconds 6.330 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.101
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.677
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 8.067
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.251
Then I find very few patterns in the guest's memory 2.545 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.031
Then patterns cover at least 99% of the test FS size in the guest's memory 3.458 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.536
Then I find very few patterns in the guest's memory after 3 seconds 5.853 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 5.568
And I read the content of the test FS 0.477
Then patterns cover at least 99% of the test FS size in the guest's memory 3.521 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.891
Then I find very few patterns in the guest's memory after 3 seconds 6.091 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.942
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.531
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 8.243
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 16.122
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.016
Then patterns cover at least 128 MiB in the guest's memory 2.904 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.791 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.546
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:16.330
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 6:31.865
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.677
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.362 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.528
After features/support/hooks.rb:100 0.010