Project Number Date
test_Tails_ISO_devel 4599 07 Sep 2026, 11:09

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 7:21.689 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
19.504
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 6.339
And I prepare Tails for memory erasure tests 0.308
When I start a process allocating 128 MiB of memory with a known pattern 2.179
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.854 
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 7.616 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.689
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.780
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 6.197
And I prepare Tails for memory erasure tests 0.301
And I find very few patterns in the guest's memory 2.691 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.509
Then patterns cover at least 99% of the test FS size in the guest's memory 2.862 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.377
Then I find very few patterns in the guest's memory after 3 seconds 5.840 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 0.973
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.613
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 6.228
And I prepare Tails for memory erasure tests 0.349
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.073
Then I find very few patterns in the guest's memory 3.026 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.718
Then patterns cover at least 75% of the test FS size in the guest's memory 3.104 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.730
Then I find very few patterns in the guest's memory after 3 seconds 5.738 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# read cache
When I mount the USB drive again 0.174
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 2.913 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.634 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 0.619
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.668
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 6.225
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.883
Then I find very few patterns in the guest's memory 3.140 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.240
Then patterns cover at least 99% of the test FS size in the guest's memory 2.643 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.560
Then I find very few patterns in the guest's memory after 3 seconds 5.322 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 3.438
And I read the content of the test FS 0.312
Then patterns cover at least 99% of the test FS size in the guest's memory 2.609 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.397
Then I find very few patterns in the guest's memory after 3 seconds 5.471 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.632
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.817
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 6.407
And I prepare Tails for memory erasure tests 0.379
When I fill a 128 MiB file with a known pattern on the root filesystem 13.553
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.547
Then patterns cover at least 128 MiB in the guest's memory 2.185 
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 20.739 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 3.727
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.305
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 3:49.867
And I prepare Tails for memory erasure tests 0.254
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.103
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.072 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
After features/support/hooks.rb:339 3.383
After features/support/hooks.rb:108 0.011