Project Number Date
test_Tails_ISO_devel 4200 30 Jan 2026, 16:03

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 7:48.156 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
19.360
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 7.093
And I prepare Tails for memory erasure tests 0.547
When I start a process allocating 128 MiB of memory with a known pattern 2.307
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.258 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.224
Then I find very few patterns in the guest's memory after 5 seconds 6.928 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 1.156
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
20.313
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 6.789
And I prepare Tails for memory erasure tests 0.377
And I find very few patterns in the guest's memory 2.302 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.854
Then patterns cover at least 99% of the test FS size in the guest's memory 2.144 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.968
Then I find very few patterns in the guest's memory after 3 seconds 4.877 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 1.145
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
37.633
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 7.189
And I prepare Tails for memory erasure tests 0.532
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.734
Then I find very few patterns in the guest's memory 1.849 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.186
Then patterns cover at least 75% of the test FS size in the guest's memory 2.543 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.329
Then I find very few patterns in the guest's memory after 3 seconds 5.109 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 0.277
And I read the content of the test FS 0.560
Then patterns cover at least 99% of the test FS size in the guest's memory 2.071 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.409
Then I find very few patterns in the guest's memory after 3 seconds 4.839 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.870
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.021
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 6.876
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.899
Then I find very few patterns in the guest's memory 2.056 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.632
Then patterns cover at least 99% of the test FS size in the guest's memory 2.025 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.610
Then I find very few patterns in the guest's memory after 3 seconds 4.905 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 5.507
And I read the content of the test FS 0.296
Then patterns cover at least 99% of the test FS size in the guest's memory 2.160 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.648
Then I find very few patterns in the guest's memory after 3 seconds 4.958 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.958
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.985
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 6.949
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the root filesystem 14.734
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.908
Then patterns cover at least 128 MiB in the guest's memory 1.444 
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 20.553 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 3.586
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:34.841
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 4:1.683
And I prepare Tails for memory erasure tests 0.346
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.752
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.045 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 3.454
After features/support/hooks.rb:100 0.068