Project Number Date
test_Tails_ISO_devel 4454 17 Jun 2026, 07:51

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 7:22.239 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
17.802
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 7.234
And I prepare Tails for memory erasure tests 0.373
When I start a process allocating 128 MiB of memory with a known pattern 1.239
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.110 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.206
Then I find very few patterns in the guest's memory after 5 seconds 6.638 
Pattern coverage: 0.000% (0 MiB out of 1492 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
17.477
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 7.014
And I prepare Tails for memory erasure tests 0.372
And I find very few patterns in the guest's memory 1.671 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.543
Then patterns cover at least 99% of the test FS size in the guest's memory 1.928 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.295
Then I find very few patterns in the guest's memory after 3 seconds 4.652 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 0.728
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.549
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.016
Given I have started Tails from DVD without network and logged in 6.790
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.341
Then I find very few patterns in the guest's memory 1.696 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.395
Then patterns cover at least 75% of the test FS size in the guest's memory 1.884 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.770
Then I find very few patterns in the guest's memory after 3 seconds 4.782 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# read cache
When I mount the USB drive again 0.148
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 1.864 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.337
Then I find very few patterns in the guest's memory after 3 seconds 4.691 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 0.648
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.347
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 6.870
And I prepare Tails for memory erasure tests 0.329
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.391
Then I find very few patterns in the guest's memory 1.648 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.342
Then patterns cover at least 99% of the test FS size in the guest's memory 1.751 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.469
Then I find very few patterns in the guest's memory after 3 seconds 4.543 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 3.934
And I read the content of the test FS 0.270
Then patterns cover at least 99% of the test FS size in the guest's memory 1.637 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.540
Then I find very few patterns in the guest's memory after 3 seconds 4.617 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:339 0.867
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
49.824
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 6.838
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the root filesystem 18.696
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.957
Then patterns cover at least 128 MiB in the guest's memory 1.428 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.508 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 3.741
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:29.238
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:50.901
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.164
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.870 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:339 3.460
After features/support/hooks.rb:108 0.041