Project Number Date
test_Tails_ISO_stable 5921 30 Oct 2025, 18:13

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 12:12.560 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
44.687
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 9.392
And I prepare Tails for memory erasure tests 0.515
When I start a process allocating 128 MiB of memory with a known pattern 2.312
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 13.934 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.891
Then I find very few patterns in the guest's memory after 5 seconds 17.640 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:331 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.044
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 9.018
And I prepare Tails for memory erasure tests 0.429
And I find very few patterns in the guest's memory 11.176 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.665
Then patterns cover at least 99% of the test FS size in the guest's memory 10.426 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.439
Then I find very few patterns in the guest's memory after 3 seconds 12.886 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:331 0.883
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.228
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.770
And I prepare Tails for memory erasure tests 0.538
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.086
Then I find very few patterns in the guest's memory 9.258 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.141
Then patterns cover at least 75% of the test FS size in the guest's memory 10.061 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.896
Then I find very few patterns in the guest's memory after 3 seconds 12.054 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
# read cache
When I mount the USB drive again 0.241
And I read the content of the test FS 0.882
Then patterns cover at least 99% of the test FS size in the guest's memory 10.397 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.621
Then I find very few patterns in the guest's memory after 3 seconds 13.277 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
After features/support/hooks.rb:331 0.770
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:45.356
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 8.331
And I prepare Tails for memory erasure tests 1.025
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.337
Then I find very few patterns in the guest's memory 9.616 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.409
Then patterns cover at least 99% of the test FS size in the guest's memory 9.387 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.710
Then I find very few patterns in the guest's memory after 3 seconds 11.918 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
# read cache
When I mount the USB drive again 4.094
And I read the content of the test FS 0.430
Then patterns cover at least 99% of the test FS size in the guest's memory 9.526 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.593
Then I find very few patterns in the guest's memory after 3 seconds 11.974 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:331 1.102
After features/support/hooks.rb:100 0.002
Tags: @product @slow @not_release_blocker
52.593
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.513
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the root filesystem 10.003
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.868
Then patterns cover at least 128 MiB in the guest's memory 7.699 
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 22.079 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
After features/support/hooks.rb:331 3.648
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:45.649
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:13.428
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.002
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.800 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 4.103
After features/support/hooks.rb:100 0.015