Project Number Date
test_Tails_ISO_devel 3879 22 Jun 2025, 13:47

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 16:3.519 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
37.612
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 13.784
And I prepare Tails for memory erasure tests 0.558
When I start a process allocating 128 MiB of memory with a known pattern 2.629
Then patterns cover at least 128 MiB in the guest's memory 3.963 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.566
Then I find very few patterns in the guest's memory after 5 seconds 16.110 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
39.417
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 9.398
And I prepare Tails for memory erasure tests 3.557
And I find very few patterns in the guest's memory 6.528 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.818
Then patterns cover at least 99% of the test FS size in the guest's memory 3.582 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.932
Then I find very few patterns in the guest's memory after 3 seconds 13.599 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.766
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:8.553
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 8.788
And I prepare Tails for memory erasure tests 3.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 13.441
Then I find very few patterns in the guest's memory 9.197 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.004
Then patterns cover at least 75% of the test FS size in the guest's memory 3.191 
Pattern coverage: 88.241% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.581
Then I find very few patterns in the guest's memory after 3 seconds 12.224 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 1.338
And I read the content of the test FS 0.927
Then patterns cover at least 99% of the test FS size in the guest's memory 3.239 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.420
Then I find very few patterns in the guest's memory after 3 seconds 6.767 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 4.240
After features/support/hooks.rb:100 0.004
Tags: @product @slow @not_release_blocker
1:59.642
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.020
Given I have started Tails from DVD without network and logged in 11.448
And I prepare Tails for memory erasure tests 0.667
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:1.959
Then I find very few patterns in the guest's memory 7.231 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.175
Then patterns cover at least 99% of the test FS size in the guest's memory 3.615 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.683
Then I find very few patterns in the guest's memory after 3 seconds 6.001 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 11.955
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 3.062 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.564
Then I find very few patterns in the guest's memory after 3 seconds 8.753 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 3.260
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:3.059
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 10.744
And I prepare Tails for memory erasure tests 0.518
When I fill a 128 MiB file with a known pattern on the root filesystem 18.387
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.962
Then patterns cover at least 128 MiB in the guest's memory 8.783 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 21.639 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.556
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
10:35.233
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 9:42.646
And I prepare Tails for memory erasure tests 0.582
When I fill a 128 MiB file with a known pattern on the persistent filesystem 30.230
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 21.751 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.850
After features/support/hooks.rb:100 0.013