Project Number Date
test_Tails_ISO_stable 5712 12 Jun 2025, 12:59

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 10:55.077 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
22.681
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 8.222
And I prepare Tails for memory erasure tests 0.428
When I start a process allocating 128 MiB of memory with a known pattern 1.369
Then patterns cover at least 128 MiB in the guest's memory 3.612 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.629
Then I find very few patterns in the guest's memory after 5 seconds 8.418 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.519
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.319
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 8.444
And I prepare Tails for memory erasure tests 0.483
And I find very few patterns in the guest's memory 3.825 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.546
Then patterns cover at least 99% of the test FS size in the guest's memory 4.071 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.374
Then I find very few patterns in the guest's memory after 3 seconds 6.573 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.724
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.052
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 8.287
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.496
Then I find very few patterns in the guest's memory 3.237 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.645
Then patterns cover at least 75% of the test FS size in the guest's memory 4.039 
Pattern coverage: 85.612% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.810
Then I find very few patterns in the guest's memory after 3 seconds 7.274 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 1.471
Then patterns cover at least 99% of the test FS size in the guest's memory 3.930 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.534
Then I find very few patterns in the guest's memory after 3 seconds 6.562 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.308
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.152
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 8.778
And I prepare Tails for memory erasure tests 0.594
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.305
Then I find very few patterns in the guest's memory 2.765 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.502
Then patterns cover at least 99% of the test FS size in the guest's memory 3.268 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.779
Then I find very few patterns in the guest's memory after 3 seconds 5.941 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 4.587
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 3.380 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.642
Then I find very few patterns in the guest's memory after 3 seconds 6.079 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.475
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 8.221
And I prepare Tails for memory erasure tests 0.616
When I fill a 128 MiB file with a known pattern on the root filesystem 14.539
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.740
Then patterns cover at least 128 MiB in the guest's memory 3.352 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.987 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.395
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 6:30.829
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.637
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.494 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.603
After features/support/hooks.rb:100 0.010