Project Number Date
test_Tails_ISO_web-release-7.8.1 3 03 Jun 2026, 21:19

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 7:34.517 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
18.577
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.013
Given I have started Tails from DVD without network and logged in 6.756
And I prepare Tails for memory erasure tests 0.319
When I start a process allocating 128 MiB of memory with a known pattern 2.233
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.886 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.214
Then I find very few patterns in the guest's memory after 5 seconds 7.167 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:335 0.692
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.428
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails from DVD without network and logged in 6.693
And I prepare Tails for memory erasure tests 0.395
And I find very few patterns in the guest's memory 1.700 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.561
Then patterns cover at least 99% of the test FS size in the guest's memory 1.902 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.313
Then I find very few patterns in the guest's memory after 3 seconds 4.861 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:335 0.816
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.279
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.822
And I prepare Tails for memory erasure tests 0.326
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.150
Then I find very few patterns in the guest's memory 1.678 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.547
Then patterns cover at least 75% of the test FS size in the guest's memory 2.111 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.863
Then I find very few patterns in the guest's memory after 3 seconds 4.969 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 0.183
And I read the content of the test FS 0.501
Then patterns cover at least 99% of the test FS size in the guest's memory 2.082 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory after 3 seconds 4.617 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:335 0.953
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
56.797
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.768
And I prepare Tails for memory erasure tests 0.365
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.725
Then I find very few patterns in the guest's memory 1.626 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.271
Then patterns cover at least 99% of the test FS size in the guest's memory 1.638 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.530
Then I find very few patterns in the guest's memory after 3 seconds 4.566 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 3.857
And I read the content of the test FS 0.387
Then patterns cover at least 99% of the test FS size in the guest's memory 1.976 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.495
Then I find very few patterns in the guest's memory after 3 seconds 4.589 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:335 0.958
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
54.092
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.434
And I prepare Tails for memory erasure tests 0.349
When I fill a 128 MiB file with a known pattern on the root filesystem 22.901
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.192
Then patterns cover at least 128 MiB in the guest's memory 1.627 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.580 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:335 3.682
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:35.341
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:52.520
And I prepare Tails for memory erasure tests 0.376
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.506
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.929 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:335 3.505
After features/support/hooks.rb:104 0.051