Project Number Date
test_Tails_ISO_21565-flatpak-safe 133 09 Nov 2026, 20:44

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 7:9.894 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
19.479
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.154
And I prepare Tails for memory erasure tests 0.315
When I start a process allocating 128 MiB of memory with a known pattern 2.217
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.882 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.235
Then I find very few patterns in the guest's memory after 5 seconds 7.673 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 0.717
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.712
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.136
And I prepare Tails for memory erasure tests 0.296
And I find very few patterns in the guest's memory 2.704 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.522
Then patterns cover at least 99% of the test FS size in the guest's memory 3.069 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.375
Then I find very few patterns in the guest's memory after 3 seconds 5.607 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
After features/support/hooks.rb:339 0.979
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.344
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.159
And I prepare Tails for memory erasure tests 0.292
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.256
Then I find very few patterns in the guest's memory 2.909 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.514
Then patterns cover at least 75% of the test FS size in the guest's memory 3.005 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory after 3 seconds 7.188 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# read cache
When I mount the USB drive again 0.167
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 5.366 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 7.833 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.885
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.971
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.307
And I prepare Tails for memory erasure tests 0.289
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.730
Then I find very few patterns in the guest's memory 3.133 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.202
Then patterns cover at least 99% of the test FS size in the guest's memory 3.149 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.512
Then I find very few patterns in the guest's memory after 3 seconds 5.834 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 3.630
And I read the content of the test FS 0.332
Then patterns cover at least 99% of the test FS size in the guest's memory 3.361 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 6.100 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.805
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.667
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.215
And I prepare Tails for memory erasure tests 0.356
When I fill a 128 MiB file with a known pattern on the root filesystem 13.478
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.531
Then patterns cover at least 128 MiB in the guest's memory 2.285 
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 20.795 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 3.341
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:1.719
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:30.347
And I prepare Tails for memory erasure tests 0.230
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.174
When I trigger shutdown 0.003
Then I find very few patterns in the guest's memory after 20 seconds 20.964 
Pattern coverage: 0.000% (0 MiB out of 1433 MiB reference memory)
After features/support/hooks.rb:339 3.422
After features/support/hooks.rb:108 0.025