Project Number Date
test_Tails_ISO_devel 4626 17 Sep 2026, 16:06

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 7:42.493 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
20.443
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.296
And I prepare Tails for memory erasure tests 0.300
When I start a process allocating 128 MiB of memory with a known pattern 2.264
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.402 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.279
Then I find very few patterns in the guest's memory after 5 seconds 7.900 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
After features/support/hooks.rb:339 0.806
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.565
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.538
And I prepare Tails for memory erasure tests 0.316
And I find very few patterns in the guest's memory 3.189 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.343
Then patterns cover at least 99% of the test FS size in the guest's memory 3.050 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.363
Then I find very few patterns in the guest's memory after 3 seconds 5.762 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.648
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.679
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.356
And I prepare Tails for memory erasure tests 0.338
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.464
Then I find very few patterns in the guest's memory 2.643 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.751
Then patterns cover at least 75% of the test FS size in the guest's memory 2.915 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.673
Then I find very few patterns in the guest's memory after 3 seconds 6.315 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
# read cache
When I mount the USB drive again 0.209
And I read the content of the test FS 0.610
Then patterns cover at least 99% of the test FS size in the guest's memory 3.088 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.356
Then I find very few patterns in the guest's memory after 3 seconds 5.957 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 0.563
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.796
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.242
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.038
Then I find very few patterns in the guest's memory 2.653 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.126
Then patterns cover at least 99% of the test FS size in the guest's memory 2.736 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.454
Then I find very few patterns in the guest's memory after 3 seconds 6.108 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# read cache
When I mount the USB drive again 4.046
And I read the content of the test FS 0.365
Then patterns cover at least 99% of the test FS size in the guest's memory 2.700 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 5.472 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.928
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.960
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 18.698
And I prepare Tails for memory erasure tests 0.305
When I fill a 128 MiB file with a known pattern on the root filesystem 13.168
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.659
Then patterns cover at least 128 MiB in the guest's memory 2.356 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.766 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 3.592
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:24.046
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:51.908
And I prepare Tails for memory erasure tests 0.299
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.569
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.263 
Pattern coverage: 0.000% (0 MiB out of 1448 MiB reference memory)
After features/support/hooks.rb:339 3.662
After features/support/hooks.rb:108 0.009