Project Number Date
test_Tails_ISO_stable 5704 10 Jun 2025, 13:15

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 13:55.631 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
27.008
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 9.246
And I prepare Tails for memory erasure tests 0.736
When I start a process allocating 128 MiB of memory with a known pattern 2.497
Then patterns cover at least 128 MiB in the guest's memory 4.810 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.525
Then I find very few patterns in the guest's memory after 5 seconds 9.191 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.005
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.363
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 8.961
And I prepare Tails for memory erasure tests 0.726
And I find very few patterns in the guest's memory 4.007 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.810
Then patterns cover at least 99% of the test FS size in the guest's memory 5.069 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.493
Then I find very few patterns in the guest's memory after 3 seconds 9.294 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.193
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.192
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 9.939
And I prepare Tails for memory erasure tests 0.690
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.104
Then I find very few patterns in the guest's memory 6.076 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.830
Then patterns cover at least 75% of the test FS size in the guest's memory 5.320 
Pattern coverage: 87.966% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.062
Then I find very few patterns in the guest's memory after 3 seconds 8.175 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.245
And I read the content of the test FS 1.483
Then patterns cover at least 99% of the test FS size in the guest's memory 6.389 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.482
Then I find very few patterns in the guest's memory after 3 seconds 11.392 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.170
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.893
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 10.838
And I prepare Tails for memory erasure tests 0.754
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.467
Then I find very few patterns in the guest's memory 3.918 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.154
Then patterns cover at least 99% of the test FS size in the guest's memory 5.539 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.743
Then I find very few patterns in the guest's memory after 3 seconds 6.403 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 4.164
And I read the content of the test FS 0.606
Then patterns cover at least 99% of the test FS size in the guest's memory 4.049 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.618
Then I find very few patterns in the guest's memory after 3 seconds 6.634 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.718
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.959
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 9.103
And I prepare Tails for memory erasure tests 0.546
When I fill a 128 MiB file with a known pattern on the root filesystem 15.503
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.273
Then patterns cover at least 128 MiB in the guest's memory 3.523 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.025
Then I find very few patterns in the guest's memory after 20 seconds 20.982 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:32.215
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 8:46.533
And I prepare Tails for memory erasure tests 0.580
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.432
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.650 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 3.576
After features/support/hooks.rb:100 0.013