Project Number Date
test_Tails_ISO_web-release-7.12 4 02 Sep 2026, 18:27

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 7:50.633 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
24.384
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.452
And I prepare Tails for memory erasure tests 0.337
When I start a process allocating 128 MiB of memory with a known pattern 2.226
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 4.766 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.737
Then I find very few patterns in the guest's memory after 5 seconds 9.863 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 0.834
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
26.144
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 6.533
And I prepare Tails for memory erasure tests 0.334
And I find very few patterns in the guest's memory 4.811 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.379
Then patterns cover at least 99% of the test FS size in the guest's memory 5.858 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.467
Then I find very few patterns in the guest's memory after 3 seconds 6.758 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.664
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.456
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 6.308
And I prepare Tails for memory erasure tests 0.324
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.276
Then I find very few patterns in the guest's memory 3.683 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.760
Then patterns cover at least 75% of the test FS size in the guest's memory 4.100 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.613
Then I find very few patterns in the guest's memory after 3 seconds 6.367 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
# read cache
When I mount the USB drive again 0.168
And I read the content of the test FS 0.534
Then patterns cover at least 99% of the test FS size in the guest's memory 3.200 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.404
Then I find very few patterns in the guest's memory after 3 seconds 5.714 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
After features/support/hooks.rb:339 0.842
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.508
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 6.439
And I prepare Tails for memory erasure tests 0.306
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.456
Then I find very few patterns in the guest's memory 3.161 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.540
Then patterns cover at least 99% of the test FS size in the guest's memory 2.793 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory after 3 seconds 5.575 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# read cache
When I mount the USB drive again 4.386
And I read the content of the test FS 0.403
Then patterns cover at least 99% of the test FS size in the guest's memory 2.725 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.492
Then I find very few patterns in the guest's memory after 3 seconds 5.676 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 0.813
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.239
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 6.487
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the root filesystem 13.730
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.634
Then patterns cover at least 128 MiB in the guest's memory 2.248 
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 20.749 
Pattern coverage: 0.000% (0 MiB out of 1450 MiB reference memory)
After features/support/hooks.rb:339 3.780
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:30.901
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:59.192
And I prepare Tails for memory erasure tests 0.363
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.306
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.032 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 3.372
After features/support/hooks.rb:108 0.008