Project Number Date
test_Tails_ISO_devel 4462 20 Jun 2026, 11:21

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 7:29.917 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
17.327
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.692
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 1.205
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.151 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.187
Then I find very few patterns in the guest's memory after 5 seconds 6.689 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.906
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.809
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.668
And I prepare Tails for memory erasure tests 0.405
And I find very few patterns in the guest's memory 1.818 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.685
Then patterns cover at least 99% of the test FS size in the guest's memory 1.966 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.389
Then I find very few patterns in the guest's memory after 3 seconds 4.876 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.996
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.723
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.709
And I prepare Tails for memory erasure tests 0.375
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.522
Then I find very few patterns in the guest's memory 1.872 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.680
Then patterns cover at least 75% of the test FS size in the guest's memory 2.080 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.823
Then I find very few patterns in the guest's memory after 3 seconds 4.733 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.168
And I read the content of the test FS 0.488
Then patterns cover at least 99% of the test FS size in the guest's memory 1.920 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.413
Then I find very few patterns in the guest's memory after 3 seconds 4.934 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 1.067
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.417
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.011
Given I have started Tails from DVD without network and logged in 6.848
And I prepare Tails for memory erasure tests 0.358
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.462
Then I find very few patterns in the guest's memory 1.764 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.356
Then patterns cover at least 99% of the test FS size in the guest's memory 1.861 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 4.609 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 3.554
And I read the content of the test FS 0.266
Then patterns cover at least 99% of the test FS size in the guest's memory 1.728 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.390
Then I find very few patterns in the guest's memory after 3 seconds 4.745 
Pattern coverage: 0.000% (0 MiB out of 1481 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
57.098
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.011
Given I have started Tails from DVD without network and logged in 6.858
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 25.675
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.097
Then patterns cover at least 128 MiB in the guest's memory 1.504 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.514 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 3.484
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:29.540
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.013
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:51.357
And I prepare Tails for memory erasure tests 0.321
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.029
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.826 
Pattern coverage: 0.000% (0 MiB out of 1513 MiB reference memory)
After features/support/hooks.rb:339 3.693
After features/support/hooks.rb:108 0.032