Project Number Date
test_Tails_ISO_devel 3848 02 Jun 2025, 13:08

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 12:6.406 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
27.320
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 8.552
And I prepare Tails for memory erasure tests 0.460
When I start a process allocating 128 MiB of memory with a known pattern 2.424
Then patterns cover at least 128 MiB in the guest's memory 3.748 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.023
Then I find very few patterns in the guest's memory after 5 seconds 11.110 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.170
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 8.254
And I prepare Tails for memory erasure tests 0.454
And I find very few patterns in the guest's memory 3.927 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.166
Then patterns cover at least 99% of the test FS size in the guest's memory 4.118 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.781
Then I find very few patterns in the guest's memory after 3 seconds 6.467 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.815
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.129
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 8.050
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.298
Then I find very few patterns in the guest's memory 3.416 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.414
Then patterns cover at least 75% of the test FS size in the guest's memory 3.639 
Pattern coverage: 85.061% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.424
Then I find very few patterns in the guest's memory after 3 seconds 5.968 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.224
And I read the content of the test FS 0.555
Then patterns cover at least 99% of the test FS size in the guest's memory 3.292 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.594
Then I find very few patterns in the guest's memory after 3 seconds 5.797 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.920
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.598
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 8.839
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.601
Then I find very few patterns in the guest's memory 2.499 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.648
Then patterns cover at least 99% of the test FS size in the guest's memory 2.911 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.742
Then I find very few patterns in the guest's memory after 3 seconds 5.423 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 4.699
And I read the content of the test FS 0.440
Then patterns cover at least 99% of the test FS size in the guest's memory 2.890 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.032
Then I find very few patterns in the guest's memory after 3 seconds 5.478 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.530
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.743
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 7.826
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the root filesystem 16.797
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.286
Then patterns cover at least 128 MiB in the guest's memory 2.578 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.775 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:14.444
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 7:29.420
And I prepare Tails for memory erasure tests 0.636
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.053
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.318 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 3.803
After features/support/hooks.rb:100 0.015