Project Number Date
test_Tails_ISO_devel 4628 18 Sep 2026, 11:10

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 7:15.860 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
20.350
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 6.264
And I prepare Tails for memory erasure tests 0.288
When I start a process allocating 128 MiB of memory with a known pattern 2.187
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.054 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.838
Then I find very few patterns in the guest's memory after 5 seconds 7.715 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 0.817
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.990
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 6.453
And I prepare Tails for memory erasure tests 0.322
And I find very few patterns in the guest's memory 2.629 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.515
Then patterns cover at least 99% of the test FS size in the guest's memory 3.008 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.377
Then I find very few patterns in the guest's memory after 3 seconds 5.684 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.793
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.659
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 6.223
And I prepare Tails for memory erasure tests 0.316
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.346
Then I find very few patterns in the guest's memory 2.694 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.538
Then patterns cover at least 75% of the test FS size in the guest's memory 3.115 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.682
Then I find very few patterns in the guest's memory after 3 seconds 5.794 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 0.185
And I read the content of the test FS 0.680
Then patterns cover at least 99% of the test FS size in the guest's memory 2.955 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 5.710 
Pattern coverage: 0.000% (0 MiB out of 1405 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
1:1.722
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 6.452
And I prepare Tails for memory erasure tests 0.309
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.158
Then I find very few patterns in the guest's memory 2.602 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.326
Then patterns cover at least 99% of the test FS size in the guest's memory 2.768 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.532
Then I find very few patterns in the guest's memory after 3 seconds 5.522 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# read cache
When I mount the USB drive again 4.252
And I read the content of the test FS 0.354
Then patterns cover at least 99% of the test FS size in the guest's memory 2.488 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.448
Then I find very few patterns in the guest's memory after 3 seconds 5.503 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 1.008
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.479
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 6.289
And I prepare Tails for memory erasure tests 0.347
When I fill a 128 MiB file with a known pattern on the root filesystem 12.771
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.522
Then patterns cover at least 128 MiB in the guest's memory 2.696 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.845 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 3.630
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:12.657
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:40.453
And I prepare Tails for memory erasure tests 0.326
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.734
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.137 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 3.556
After features/support/hooks.rb:108 0.009