Project Number Date
test_Tails_ISO_devel 4227 11 Feb 2026, 12:15

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 7:18.508 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
20.298
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.029
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 2.215
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.323 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.405
Then I find very few patterns in the guest's memory after 5 seconds 6.890 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 1.009
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.657
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.039
And I prepare Tails for memory erasure tests 0.437
And I find very few patterns in the guest's memory 1.825 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.445
Then patterns cover at least 99% of the test FS size in the guest's memory 2.189 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.800
Then I find very few patterns in the guest's memory after 3 seconds 4.918 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.727
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.251
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.928
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.552
Then I find very few patterns in the guest's memory 1.965 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.808
Then patterns cover at least 75% of the test FS size in the guest's memory 2.176 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.370
Then I find very few patterns in the guest's memory after 3 seconds 4.815 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.217
And I read the content of the test FS 0.475
Then patterns cover at least 99% of the test FS size in the guest's memory 2.288 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.346
Then I find very few patterns in the guest's memory after 3 seconds 4.927 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 1.103
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:8.824
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.113
And I prepare Tails for memory erasure tests 0.363
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.099
Then I find very few patterns in the guest's memory 1.658 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.771
Then patterns cover at least 99% of the test FS size in the guest's memory 1.797 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.607
Then I find very few patterns in the guest's memory after 3 seconds 4.825 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 7.217
And I read the content of the test FS 0.303
Then patterns cover at least 99% of the test FS size in the guest's memory 1.957 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.440
Then I find very few patterns in the guest's memory after 3 seconds 4.668 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 1.160
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.269
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.993
And I prepare Tails for memory erasure tests 0.355
When I fill a 128 MiB file with a known pattern on the root filesystem 12.672
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.660
Then patterns cover at least 128 MiB in the guest's memory 1.719 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.031
Then I find very few patterns in the guest's memory after 20 seconds 20.837 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 3.806
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
4:10.207
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:39.409
And I prepare Tails for memory erasure tests 0.369
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.552
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.870 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:331 3.575
After features/support/hooks.rb:100 0.010