Project Number Date
test_Tails_ISO_21565-flatpak-safe 91 17 Oct 2026, 03:30

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 7:47.318 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
32.301
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 18.389
And I prepare Tails for memory erasure tests 0.316
When I start a process allocating 128 MiB of memory with a known pattern 2.213
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.904 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.709
Then I find very few patterns in the guest's memory after 5 seconds 7.769 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.919
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
26.127
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.313
And I prepare Tails for memory erasure tests 0.305
And I find very few patterns in the guest's memory 2.909 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.394
Then patterns cover at least 99% of the test FS size in the guest's memory 5.877 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.341
Then I find very few patterns in the guest's memory after 3 seconds 8.986 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.584
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.776
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.391
And I prepare Tails for memory erasure tests 0.331
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.404
Then I find very few patterns in the guest's memory 4.911 
Pattern coverage: 0.000% (0 MiB out of 1413 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 4.824 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.608
Then I find very few patterns in the guest's memory after 3 seconds 7.318 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# read cache
When I mount the USB drive again 0.160
And I read the content of the test FS 0.561
Then patterns cover at least 99% of the test FS size in the guest's memory 3.554 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.387
Then I find very few patterns in the guest's memory after 3 seconds 6.640 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.915
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.041
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.399
And I prepare Tails for memory erasure tests 0.324
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.590
Then I find very few patterns in the guest's memory 3.120 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.005
Then patterns cover at least 99% of the test FS size in the guest's memory 2.671 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 5.629 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# read cache
When I mount the USB drive again 3.793
And I read the content of the test FS 0.317
Then patterns cover at least 99% of the test FS size in the guest's memory 2.680 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.439
Then I find very few patterns in the guest's memory after 3 seconds 5.571 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 0.628
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.563
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.245
And I prepare Tails for memory erasure tests 0.275
When I fill a 128 MiB file with a known pattern on the root filesystem 13.267
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.360
Then patterns cover at least 128 MiB in the guest's memory 2.502 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.035
Then I find very few patterns in the guest's memory after 20 seconds 20.875 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 3.512
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:18.507
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:46.773
And I prepare Tails for memory erasure tests 0.264
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.286
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.178 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 3.667
After features/support/hooks.rb:108 0.034