Project Number Date
test_Tails_ISO_stable 6589 18 Aug 2026, 18:06

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 7:34.405 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
21.656
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 6.518
And I prepare Tails for memory erasure tests 0.352
When I start a process allocating 128 MiB of memory with a known pattern 2.195
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.019 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.252
Then I find very few patterns in the guest's memory after 5 seconds 9.316 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 0.672
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.241
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 0.311
And I find very few patterns in the guest's memory 2.619 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.504
Then patterns cover at least 99% of the test FS size in the guest's memory 3.190 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.381
Then I find very few patterns in the guest's memory after 3 seconds 5.745 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 1.014
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.341
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.537
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.360
Then I find very few patterns in the guest's memory 2.755 
Pattern coverage: 0.000% (0 MiB out of 1450 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.696
Then patterns cover at least 75% of the test FS size in the guest's memory 5.151 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.727
Then I find very few patterns in the guest's memory after 3 seconds 5.537 
Pattern coverage: 0.000% (0 MiB out of 1450 MiB reference memory)
# read cache
When I mount the USB drive again 0.167
And I read the content of the test FS 0.625
Then patterns cover at least 99% of the test FS size in the guest's memory 3.262 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.678 
Pattern coverage: 0.000% (0 MiB out of 1450 MiB reference memory)
After features/support/hooks.rb:339 0.858
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.394
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 6.373
And I prepare Tails for memory erasure tests 0.312
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.392
Then I find very few patterns in the guest's memory 2.844 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.244
Then patterns cover at least 99% of the test FS size in the guest's memory 2.643 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 5.639 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# read cache
When I mount the USB drive again 4.260
And I read the content of the test FS 0.388
Then patterns cover at least 99% of the test FS size in the guest's memory 2.685 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 5.651 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:339 0.845
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.621
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.588
And I prepare Tails for memory erasure tests 0.323
When I fill a 128 MiB file with a known pattern on the root filesystem 13.167
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.564
Then patterns cover at least 128 MiB in the guest's memory 2.238 
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 20.734 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 3.407
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:25.151
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 3:54.100
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.555
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.191 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 3.645
After features/support/hooks.rb:108 0.011