Project Number Date
test_Tails_ISO_stable 6662 14 Sep 2026, 07:21

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 7:14.043 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
19.470
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 6.128
And I prepare Tails for memory erasure tests 0.307
When I start a process allocating 128 MiB of memory with a known pattern 2.160
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.983 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.236
Then I find very few patterns in the guest's memory after 5 seconds 7.655 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 0.741
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.605
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 6.107
And I prepare Tails for memory erasure tests 0.253
And I find very few patterns in the guest's memory 2.806 
Pattern coverage: 0.000% (0 MiB out of 1435 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 2.930 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.349
Then I find very few patterns in the guest's memory after 3 seconds 5.669 
Pattern coverage: 0.000% (0 MiB out of 1435 MiB reference memory)
After features/support/hooks.rb:339 0.592
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.194
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 6.159
And I prepare Tails for memory erasure tests 0.307
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.412
Then I find very few patterns in the guest's memory 2.700 
Pattern coverage: 0.000% (0 MiB out of 1426 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.650
Then patterns cover at least 75% of the test FS size in the guest's memory 2.942 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.659
Then I find very few patterns in the guest's memory after 3 seconds 5.487 
Pattern coverage: 0.000% (0 MiB out of 1426 MiB reference memory)
# read cache
When I mount the USB drive again 0.178
And I read the content of the test FS 0.555
Then patterns cover at least 99% of the test FS size in the guest's memory 2.861 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory after 3 seconds 5.804 
Pattern coverage: 0.000% (0 MiB out of 1426 MiB reference memory)
After features/support/hooks.rb:339 1.001
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.741
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 6.171
And I prepare Tails for memory erasure tests 0.312
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.941
Then I find very few patterns in the guest's memory 2.535 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.287
Then patterns cover at least 99% of the test FS size in the guest's memory 2.564 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 5.668 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# read cache
When I mount the USB drive again 4.041
And I read the content of the test FS 0.316
Then patterns cover at least 99% of the test FS size in the guest's memory 2.676 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.404
Then I find very few patterns in the guest's memory after 3 seconds 5.345 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.975
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.057
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 6.153
And I prepare Tails for memory erasure tests 0.259
When I fill a 128 MiB file with a known pattern on the root filesystem 13.576
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.266
Then patterns cover at least 128 MiB in the guest's memory 2.081 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.711 
Pattern coverage: 0.000% (0 MiB out of 1426 MiB reference memory)
After features/support/hooks.rb:339 3.463
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:12.973
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 3:41.325
And I prepare Tails for memory erasure tests 0.252
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.328
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.061 
Pattern coverage: 0.000% (0 MiB out of 1428 MiB reference memory)
After features/support/hooks.rb:339 3.682
After features/support/hooks.rb:108 0.010