Project Number Date
test_Tails_ISO_devel 4199 30 Jan 2026, 11:23

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 7:24.826 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
19.624
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 7.084
And I prepare Tails for memory erasure tests 0.353
When I start a process allocating 128 MiB of memory with a known pattern 2.261
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.081 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.931
Then I find very few patterns in the guest's memory after 5 seconds 6.912 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 0.593
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.186
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 6.873
And I prepare Tails for memory erasure tests 0.351
And I find very few patterns in the guest's memory 1.955 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.166
Then patterns cover at least 99% of the test FS size in the guest's memory 2.135 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.772
Then I find very few patterns in the guest's memory after 3 seconds 4.930 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 1.041
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.352
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 7.120
And I prepare Tails for memory erasure tests 0.352
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.166
Then I find very few patterns in the guest's memory 1.741 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.681
Then patterns cover at least 75% of the test FS size in the guest's memory 2.190 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.121
Then I find very few patterns in the guest's memory after 3 seconds 5.037 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 0.185
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 2.231 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.238
Then I find very few patterns in the guest's memory after 3 seconds 4.801 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.880
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.087
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 6.811
And I prepare Tails for memory erasure tests 0.317
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.710
Then I find very few patterns in the guest's memory 1.796 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.003
Then patterns cover at least 99% of the test FS size in the guest's memory 1.893 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 4.555 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
# read cache
When I mount the USB drive again 4.357
And I read the content of the test FS 0.274
Then patterns cover at least 99% of the test FS size in the guest's memory 1.837 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.479
Then I find very few patterns in the guest's memory after 3 seconds 4.579 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 0.672
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.771
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 6.847
And I prepare Tails for memory erasure tests 0.324
When I fill a 128 MiB file with a known pattern on the root filesystem 13.878
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.682
Then patterns cover at least 128 MiB in the guest's memory 1.553 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.479 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 4.066
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:28.803
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 3:57.324
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 10.185
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.912 
Pattern coverage: 0.000% (0 MiB out of 1541 MiB reference memory)
After features/support/hooks.rb:331 3.439
After features/support/hooks.rb:100 0.021