Project Number Date
test_Tails_ISO_devel 4646 30 Sep 2026, 13:52

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 7:50.854 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
20.367
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 6.414
And I prepare Tails for memory erasure tests 0.331
When I start a process allocating 128 MiB of memory with a known pattern 2.370
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.259 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.239
Then I find very few patterns in the guest's memory after 5 seconds 7.750 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 0.939
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.793
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 6.571
And I prepare Tails for memory erasure tests 0.490
And I find very few patterns in the guest's memory 2.743 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.488
Then patterns cover at least 99% of the test FS size in the guest's memory 3.370 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.400
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.934
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.433
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 6.406
And I prepare Tails for memory erasure tests 0.315
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.598
Then I find very few patterns in the guest's memory 2.755 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.381
Then patterns cover at least 75% of the test FS size in the guest's memory 3.267 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 5.936 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 0.237
And I read the content of the test FS 0.662
Then patterns cover at least 99% of the test FS size in the guest's memory 2.982 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.452
Then I find very few patterns in the guest's memory after 3 seconds 5.766 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.819
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.398
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.714
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.176
Then I find very few patterns in the guest's memory 2.683 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.268
Then patterns cover at least 99% of the test FS size in the guest's memory 2.854 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.646
Then I find very few patterns in the guest's memory after 3 seconds 5.713 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# read cache
When I mount the USB drive again 3.830
And I read the content of the test FS 0.387
Then patterns cover at least 99% of the test FS size in the guest's memory 2.658 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 5.618 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.862
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.189
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 7.045
And I prepare Tails for memory erasure tests 0.322
When I fill a 128 MiB file with a known pattern on the root filesystem 12.580
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.764
Then patterns cover at least 128 MiB in the guest's memory 2.546 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 20.921 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 3.581
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:43.672
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 4:12.378
And I prepare Tails for memory erasure tests 0.584
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.440
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.264 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
After features/support/hooks.rb:339 3.684
After features/support/hooks.rb:108 0.012