Project Number Date
test_Tails_ISO_devel 4294 26 Mar 2026, 11:04

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 7:8.572 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
17.593
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.428
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 1.172
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.965 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.647
Then I find very few patterns in the guest's memory after 5 seconds 6.942 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.608
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.171
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.682
And I prepare Tails for memory erasure tests 0.360
And I find very few patterns in the guest's memory 1.738 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.377
Then patterns cover at least 99% of the test FS size in the guest's memory 1.859 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.365
Then I find very few patterns in the guest's memory after 3 seconds 4.786 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.599
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.381
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.591
And I prepare Tails for memory erasure tests 0.364
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.061
Then I find very few patterns in the guest's memory 1.804 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.230
Then patterns cover at least 75% of the test FS size in the guest's memory 2.027 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.704
Then I find very few patterns in the guest's memory after 3 seconds 4.868 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 0.151
And I read the content of the test FS 0.378
Then patterns cover at least 99% of the test FS size in the guest's memory 1.994 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.364
Then I find very few patterns in the guest's memory after 3 seconds 4.839 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.872
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.630
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.508
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.081
Then I find very few patterns in the guest's memory 1.639 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.088
Then patterns cover at least 99% of the test FS size in the guest's memory 1.834 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.517
Then I find very few patterns in the guest's memory after 3 seconds 4.623 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 3.811
And I read the content of the test FS 0.323
Then patterns cover at least 99% of the test FS size in the guest's memory 1.744 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory after 3 seconds 4.543 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.678
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.805
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.453
And I prepare Tails for memory erasure tests 0.507
When I fill a 128 MiB file with a known pattern on the root filesystem 12.020
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.864
Then patterns cover at least 128 MiB in the guest's memory 1.447 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.500 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 3.961
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:23.989
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:51.968
And I prepare Tails for memory erasure tests 0.353
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.731
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.929 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.757
After features/support/hooks.rb:100 0.010