Project Number Date
test_Tails_ISO_21373-poweroff-inhibit 3 30 May 2026, 19:47

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 7:15.149 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
16.813
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.489
And I prepare Tails for memory erasure tests 0.346
When I start a process allocating 128 MiB of memory with a known pattern 1.154
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.973 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.195
Then I find very few patterns in the guest's memory after 5 seconds 6.653 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:335 0.884
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.068
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.371
And I prepare Tails for memory erasure tests 0.313
And I find very few patterns in the guest's memory 1.807 
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 1.638
Then patterns cover at least 99% of the test FS size in the guest's memory 1.952 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.298
Then I find very few patterns in the guest's memory after 3 seconds 4.687 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:335 0.702
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
31.435
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.397
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.281
Then I find very few patterns in the guest's memory 1.732 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.564
Then patterns cover at least 75% of the test FS size in the guest's memory 2.161 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.696
Then I find very few patterns in the guest's memory after 3 seconds 4.662 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 0.156
And I read the content of the test FS 0.407
Then patterns cover at least 99% of the test FS size in the guest's memory 1.854 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.324
Then I find very few patterns in the guest's memory after 3 seconds 4.793 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:335 0.836
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
56.910
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.389
And I prepare Tails for memory erasure tests 0.293
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.201
Then I find very few patterns in the guest's memory 1.853 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.339
Then patterns cover at least 99% of the test FS size in the guest's memory 1.796 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.567
Then I find very few patterns in the guest's memory after 3 seconds 4.655 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 3.742
And I read the content of the test FS 0.274
Then patterns cover at least 99% of the test FS size in the guest's memory 1.723 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.477
Then I find very few patterns in the guest's memory after 3 seconds 4.596 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:335 0.890
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.383
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.644
And I prepare Tails for memory erasure tests 0.317
When I fill a 128 MiB file with a known pattern on the root filesystem 24.489
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.963
Then patterns cover at least 128 MiB in the guest's memory 1.471 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.490 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:335 3.636
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:17.537
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:37.793
And I prepare Tails for memory erasure tests 0.302
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.484
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.951 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
After features/support/hooks.rb:335 3.700
After features/support/hooks.rb:104 0.016