Project Number Date
test_Tails_ISO_stable 5557 06 Apr 2025, 09:10

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 11:48.341 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
25.451
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 8.648
And I prepare Tails for memory erasure tests 0.547
When I start a process allocating 128 MiB of memory with a known pattern 2.402
Then patterns cover at least 128 MiB in the guest's memory 3.318 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.114
Then I find very few patterns in the guest's memory after 5 seconds 8.418 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.731
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.443
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 8.230
And I prepare Tails for memory erasure tests 0.422
And I find very few patterns in the guest's memory 2.797 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.778
Then patterns cover at least 99% of the test FS size in the guest's memory 2.903 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.879
Then I find very few patterns in the guest's memory after 3 seconds 6.431 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.611
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.067
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 8.059
And I prepare Tails for memory erasure tests 0.481
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.080
Then I find very few patterns in the guest's memory 4.677 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.952
Then patterns cover at least 75% of the test FS size in the guest's memory 7.678 
Pattern coverage: 85.890% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.993
Then I find very few patterns in the guest's memory after 3 seconds 6.616 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.226
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 6.726 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.501
Then I find very few patterns in the guest's memory after 3 seconds 8.515 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.671
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 9.350
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.515
Then I find very few patterns in the guest's memory 2.419 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.775
Then patterns cover at least 99% of the test FS size in the guest's memory 2.713 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.878
Then I find very few patterns in the guest's memory after 3 seconds 5.322 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.057
And I read the content of the test FS 0.490
Then patterns cover at least 99% of the test FS size in the guest's memory 3.190 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.574
Then I find very few patterns in the guest's memory after 3 seconds 5.920 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.345
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
52.896
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 8.049
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the root filesystem 18.936
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.047
Then patterns cover at least 128 MiB in the guest's memory 2.630 
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 20.769 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.488
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.810
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 7:2.193
And I prepare Tails for memory erasure tests 0.547
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.825
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.230 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.575
After features/support/hooks.rb:100 0.012