Project Number Date
test_Tails_ISO_21565-flatpak-safe 118 03 Nov 2026, 03:36

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 7:21.931 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
19.233
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 6.167
And I prepare Tails for memory erasure tests 0.268
When I start a process allocating 128 MiB of memory with a known pattern 2.174
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.867 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.174
Then I find very few patterns in the guest's memory after 5 seconds 7.579 
Pattern coverage: 0.000% (0 MiB out of 1389 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
19.196
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 6.140
And I prepare Tails for memory erasure tests 0.312
And I find very few patterns in the guest's memory 2.634 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.400
Then patterns cover at least 99% of the test FS size in the guest's memory 2.782 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.354
Then I find very few patterns in the guest's memory after 3 seconds 5.570 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.959
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.551
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 6.160
And I prepare Tails for memory erasure tests 0.273
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.204
Then I find very few patterns in the guest's memory 2.644 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.615
Then patterns cover at least 75% of the test FS size in the guest's memory 2.987 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 5.521 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
# read cache
When I mount the USB drive again 0.136
And I read the content of the test FS 0.564
Then patterns cover at least 99% of the test FS size in the guest's memory 2.772 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.413
Then I find very few patterns in the guest's memory after 3 seconds 5.587 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
After features/support/hooks.rb:339 0.586
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.507
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 6.133
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.388
Then I find very few patterns in the guest's memory 2.495 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.122
Then patterns cover at least 99% of the test FS size in the guest's memory 2.663 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.550
Then I find very few patterns in the guest's memory after 3 seconds 5.587 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# read cache
When I mount the USB drive again 4.183
And I read the content of the test FS 0.319
Then patterns cover at least 99% of the test FS size in the guest's memory 2.769 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.377
Then I find very few patterns in the guest's memory after 3 seconds 5.491 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 0.718
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.095
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 6.165
And I prepare Tails for memory erasure tests 0.273
When I fill a 128 MiB file with a known pattern on the root filesystem 13.250
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.341
Then patterns cover at least 128 MiB in the guest's memory 2.229 
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 20.830 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 3.477
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.346
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 3:49.057
And I prepare Tails for memory erasure tests 0.246
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.910
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.127 
Pattern coverage: 0.000% (0 MiB out of 1427 MiB reference memory)
After features/support/hooks.rb:339 3.813
After features/support/hooks.rb:108 0.009