Project Number Date
test_Tails_ISO_stable 6061 14 Jan 2026, 13:59

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 7:25.859 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
18.349
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 6.784
And I prepare Tails for memory erasure tests 0.303
When I start a process allocating 128 MiB of memory with a known pattern 2.251
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.976 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.203
Then I find very few patterns in the guest's memory after 5 seconds 6.830 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:331 0.855
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.646
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 6.758
And I prepare Tails for memory erasure tests 0.400
And I find very few patterns in the guest's memory 1.764 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.963
Then patterns cover at least 99% of the test FS size in the guest's memory 1.927 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.695
Then I find very few patterns in the guest's memory after 3 seconds 5.136 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:331 0.578
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.956
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 6.638
And I prepare Tails for memory erasure tests 0.319
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.236
Then I find very few patterns in the guest's memory 1.775 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.475
Then patterns cover at least 75% of the test FS size in the guest's memory 2.171 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.914
Then I find very few patterns in the guest's memory after 3 seconds 4.834 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# read cache
When I mount the USB drive again 0.152
And I read the content of the test FS 0.424
Then patterns cover at least 99% of the test FS size in the guest's memory 1.946 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.269
Then I find very few patterns in the guest's memory after 3 seconds 4.797 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:331 0.844
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.946
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 6.800
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.686
Then I find very few patterns in the guest's memory 1.630 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.010
Then patterns cover at least 99% of the test FS size in the guest's memory 1.736 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory after 3 seconds 4.843 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# read cache
When I mount the USB drive again 4.084
And I read the content of the test FS 0.271
Then patterns cover at least 99% of the test FS size in the guest's memory 1.884 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 4.548 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:331 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.220
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 6.499
And I prepare Tails for memory erasure tests 0.307
When I fill a 128 MiB file with a known pattern on the root filesystem 13.716
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.594
Then patterns cover at least 128 MiB in the guest's memory 1.603 
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 20.493 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:331 3.855
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:35.739
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 4:3.559
And I prepare Tails for memory erasure tests 0.281
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.937
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.955 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
After features/support/hooks.rb:331 3.443
After features/support/hooks.rb:100 0.011